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1.
Effects of herbal choline as a replacement for choline chloride on myopathy, locomotor system, and hepatic health of broilers
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Dias, Allan Gabriel Ferreira
; Santin, Ana Paula Iglesias
; Brasileiro, Júlio César Lopes
; Leite, Carla Daniela Suguimoto
; Stringhini, José Henrique
; Gouveia, Alison Batista Vieira Silva
; Silva, Júlia Marixara Sousa da
; Café, Marcos Barcellos
.
ABSTRACT The objective of this study was to evaluate the effects of replacing choline chloride with a plant source of choline on the locomotor system, liver health, and development of breast myopathies in broilers aged 1-42 days of age. We allocated 1,120 one-day-old Cobb broilers to four treatment groups and fed them commercial diets based on corn and soybean meal. The treatments included choline in the form of 1,800.00 mg/kg choline chloride; 1,350.00 mg/kg choline chloride + 450.00 mg/kg herbal choline; 900.00 mg/kg choline chloride + 900.00 mg/kg herbal choline; and 1,000.00 mg/kg herbal choline. Each treatment group had eight replications. Throughout the experiment, gait score, footpad dermatitis, hock burn, and leg deformities (valgus and varus) were evaluated in the birds at 28 and 35 days of age. After slaughter, parameters such as breast myopathies, tibial dyschondroplasia score, and histological slides of the pectoral muscle, liver, and proximal tibial epiphysis were assessed. The results demonstrated good hepatic and locomotor health in the broilers, as no classical signs of choline deficiency were observed. Statistical analyses indicated no significant differences between treatments in terms of liver and locomotor health, suggesting that broilers fed diets supplemented with the plant source did not experience choline deficiency. Additionally, no statistically significant differences were found between treatments regarding breast myopathies. Overall, the tested choline plant source can effectively replace choline chloride in broiler diets.
2.
Biologically Active Volatile Organic Compounds (VOCs) Produced by Rhizospheric Actinobacteria Strains Inhibit the Growth of the Phytopathogen Colletotrichum musae
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Brito, Maria V. de
; Fonseca, Wéverson L.
; Mafezoli, Jair
; Barbosa, Francisco G.
; Nunes, Fátima M.
; Mattos, Marcos C. de
; Santos, João E. A. dos
; Araujo, Francisca S. A.
; Vieira, Regimara F. B. S.
; Magalhães, Hilton C. R.
; Muniz, Celli R.
; Garruti, Deborah S.
; Ootani, Marcio A.
; Souza Netto, José M.
; Pinto, Licarion
; Viana, Francisco M. P.
; Oliveira, Maria C. F.
.
Journal of the Brazilian Chemical Society
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The antifungal potential of volatile organic compounds (VOCs) produced by actinobacterial strains Streptomyces sp. (ACTB-77) and Amycolatopsis sp. (ACTB-290) from the rhizosphere of Caatinga plants against Colletotrichum musae was investigated. VOCs produced by these microorganisms (axenic and co-culture) were investigated using headspace-solid phase micro-extraction (HS-SPME) and gas chromatography-mass spectrometry (GC-MS). Although no exclusive VOC peaks were observed in the co-culture with ACTB-77, the same experiment involving ACTB-290 yielded five new peaks, including two identified alcohols, suggested as bioreductive products of the corresponding ketones by the fungus. Statistical analysis revealed that co-culture ACTB-77/C. musae has a closer similarity to the fungus than to the actinobacteria, while the co culture ACTB-290/C. musae showed closer similarity to the actinobacteria. These confirmed the more pronounced antifungal activity of the ACTB-290 strain, as observed in the fungus growth inhibition experiments. The antifungal activity of ACTB-290 was associated to its sulfur-containing metabolites, while linalool was suggested as responsible for the ACTB-77 activity.
3.
Nonlinear models in the height description of the Rhino sunflower cultivar
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Mello, Anderson Chuquel
; Toebe, Marcos
; Souza, Rafael Rodrigues de
; Paraginski, João Antônio
; Somavilla, Junior Carvalho
; Martins, Vinícius
; Pinto, Antônio Carlos Vieira
.
RESUMO: O girassol produz aquênios e óleo de qualidade, além de servir para produção de silagem, forragem e biodiesel. A modelagem de crescimento permite conhecer o padrão de crescimento da cultura e otimizar o manejo. O objetivo deste trabalho foi caracterizar o crescimento da cultivar de girassol Rhino por meio dos modelos Logístico e Gompertz e fazer considerações a respeito do manejo com base em pontos críticos. Os dados utilizados são oriundos de três ensaios de uniformidade com a cultivar de girassol confeiteiro Rhino, conduzidos na área experimental da Universidade Federal de Santa Maria, Campus Frederico Westphalen, na safra 2019/2020. Foram realizadas 14, 12 e 10 avaliações semanais de altura em 10 plantas, respectivamente, no primeiro, segundo e terceiro ensaio. Os dados foram ajustados em função da soma térmica acumulada. Os parâmetros foram estimados por meio do método dos mínimos quadrados ordinários, usando o algoritmo de Gauss-Newton. A qualidade de ajuste dos modelos aos dados foi medida pelo coeficiente de determinação ajustado, critério de determinação de Akaike, critério bayesiano de informação, e por meio da não linearidade intrínseca e paramétrica. Foram determinados os pontos de inflexão (IP), máxima aceleração (MAP), máxima desaceleração (MDP) e desaceleração assintótica (ADP). As análises estatísticas foram realizadas com Microsoft Office Excel® e o software R. Os modelos descreveram de forma satisfatória a curva de crescimento da altura do girassol, fornecendo parâmetros com interpretações práticas. O modelo Logístico apresenta melhor qualidade de ajuste, sendo o mais adequado para caracterização da curva de crescimento. Os pontos críticos estimados fornecem informações importantes para o manejo da cultura. As plantas daninhas devem ser controladas até o MAP. As aplicações de fertilizantes em cobertura devem ser realizadas entre MAP e IP. O ADP é um indicador de maturidade, após atingir este ponto, as plantas podem ser colhidas para a produção de silagem sem perda de volume e qualidade.
ABSTRACT: Sunflower produces achenes and oil of good quality, besides serving for production of silage, forage and biodiesel. Growth modeling allows knowing the growth pattern of the crop and optimizing the management. The research characterized the growth of the Rhino sunflower cultivar using the Logistic and Gompertz models and to make considerations regarding management based on critical points. The data used come from three uniformity trials with the Rhino confectionery sunflower cultivar carried out in the experimental area of the Federal University of Santa Maria - Campus Frederico Westphalen in the 2019/2020 agricultural harvest. In the first, second and third trials 14, 12 and 10 weekly height evaluations were performed on 10 plants, respectively. The data were adjusted for the thermal time accumulated. The parameters were estimated by ordinary least square’s method using the Gauss-Newton algorithm. The fitting quality of the models to the data was measured by the adjusted coefficient of determination, Akaike information criterion, Bayesian information criterion, and through intrinsic and parametric nonlinearity. The inflection points (IP), maximum acceleration (MAP), maximum deceleration (MDP) and asymptotic deceleration (ADP) were determined. Statistical analyses were performed with Microsoft Office Excel® and R software. The models satisfactorily described the height growth curve of sunflower, providing parameters with practical interpretations. The Logistics model has the best fitting quality, being the most suitable for characterizing the growth curve. The estimated critical points provide important information for crop management. Weeds must be controlled until the MAP. Covered fertilizer applications must be carried out between the MAP and IP range. ADP is an indicator of maturity, after reaching this point, the plants can be harvested for the production of silage without loss of volume and quality.
https://doi.org/10.1590/0103-8478cr20210213
99 downloads
4.
Propagation of macadamia (Macadamia integrifolia Maiden & Betche) by cuttings
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Silva, Vitor Hugo Domingos da
; Melo, Mariana Nunes Vieira de
; Blain, Gabriel Constantino
; Perdoná, Marcos José
; Sobierajski, Graciela da Rocha
.
RESUMEN Los árboles de macadamia requieren un largo período para empezar la floración cuando se propagan por semillas. Para anticipar el rendimiento, mantener las características del cultivar y aumentar la homogeneidad de la calidad de las nueces, es esencial establecer huertos con árboles injertados. Aunque se han realizado ensayos de propagación de esta planta por estacas semileñosas en Brasil, ningún método ha demostrado ser el apropiado a gran escala debido a las dificultades en la implementación de las técnicas o al alto costo. El establecimiento de un protocolo eficiente y accesible puede proporcionar una gran mejora a esta cadena productiva ya que satisfará la demanda de viveros y estimulará la expansión de los huertos. El objetivo de este estudio fue desarrollar un protocolo para la propagación de macadamia por estacas semileñosas. Seis cultivares (HAES 344, HAES 816, HAES 660, IAC 4-12B, IAC 9-20, e IAC 4-20) fueron evaluados y seleccionados por su amplio cultivo en Brasil. El material de propagación se recolectó durante cuatro meses (octubre y noviembre de 2018 y febrero y marzo de 2019). Las estacas semileñosas se sumergieron en ácido indolbutírico (AIB) en tres concentraciones diferentes (0, 5, o 10 g L-1), y en el producto comercial Clonex®. El experimento se realizó siguiendo un diseño bidireccional con cuatro repeticiones y los datos fueron analizados por el software R. El cultivar IAC 4-12B mostró el índice más alto para el desarrollo de las raíces (37.0%). Los tratamientos no mostraron diferencias significativas entre las dosis de AIB y Clonex® para el desarrollo de las raíces (AIB 10 g L-1 - 31.5%, Clonex® - 29.4%, AIB 5 g L-1 -27.4%). Noviembre fue la mejor temporada de recolección para el enraizamiento de las estacas semileñosas (10.0%).
ABSTRACT Macadamia trees require a long period for flowering when propagated by seeds. To anticipate the yield, maintain cultivar characteristics, and increase the homogeneity of nut quality, it is essential to establish orchards with grafted trees. Although semi-hardwood cutting propagation tests have been performed in Brazil, no method has been shown to be appropriate at a large scale due to the difficulties in implementation of techniques or the high cost. Establishing an effective and affordable protocol may provide great improvement to this productive chain since it will meet the demand of nurseries and stimulate the expansion of orchards. The aim of this study was to develop a protocol for macadamia semi-hardwood cutting propagation. Six cultivars (HAES 344, HAES 816, HAES 660, IAC 4-12B, IAC 9-20, and IAC 4-20) were evaluated and selected because of their ample cultivation in Brazil. The propagation material was collected for four months (October and November 2018, and February and March 2019). The semi-hardwood cuttings were also soaked in indole butyric acid (IBA) at three different concentrations (0, 5, or 10 g L-1) and in the commercial product Clonex®. The experiment was arranged in a two-way completely randomized design with four replicates and data were analyzed by R software. The cultivar IAC 4-12B showed the highest index for root development (37.0%). The treatments did not show significant differences between IBA doses and Clonex® for root development (IBA 10 g L-1 - 31.5%, Clonex® - 29.4%, and IBA 5 g L-1 - 27.4%). November was the best cutting season for root development of semi-hardwood cuttings (10.0%).
https://doi.org/10.15446/agron.colomb.v39n1.90005
23 downloads
5.
The Program for Biodiversity Research in Brazil: The role of regional networks for biodiversity knowledge, dissemination, and conservation
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ROSA, CLARISSA
; BACCARO, FABRICIO
; CRONEMBERGER, CECILIA
; HIPÓLITO, JULIANA
; BARROS, CLAUDIA FRANCA
; RODRIGUES, DOMINGOS DE JESUS
; NECKEL-OLIVEIRA, SELVINO
; OVERBECK, GERHARD E.
; DRECHSLER-SANTOS, ELISANDRO RICARDO
; ANJOS, MARCELO RODRIGUES DOS
; FERREGUETTI, ÁTILLA C.
; AKAMA, ALBERTO
; MARTINS, MARLÚCIA BONIFÁCIO
; TOMAS, WALFRIDO MORAES
; SANTOS, SANDRA APARECIDA
; FERREIRA, VANDA LÚCIA
; CUNHA, CATIA NUNES DA
; PENHA, JERRY
; PINHO, JOÃO BATISTA DE
; SALIS, SUZANA MARIA
; DORIA, CAROLINA RODRIGUES DA COSTA
; PILLAR, VALÉRIO D.
; PODGAISKI, LUCIANA R.
; MENIN, MARCELO
; BÍGIO, NARCÍSIO COSTA
; ARAGÓN, SUSAN
; MANZATTO, ANGELO GILBERTO
; VÉLEZ-MARTIN, EDUARDO
; SILVA, ANA CAROLINA BORGES LINS E
; IZZO, THIAGO JUNQUEIRA
; MORTATI, AMANDA FREDERICO
; GIACOMIN, LEANDRO LACERDA
; ALMEIDA, THAÍS ELIAS
; ANDRÉ, THIAGO
; SILVEIRA, MARIA AUREA PINHEIRO DE ALMEIDA
; SILVEIRA, ANTÔNIO LAFFAYETE PIRES DA
; MESSIAS, MARILUCE REZENDE
; MARQUES, MARCIA C.M.
; PADIAL, ANDRE ANDRIAN
; MARQUES, RENATO
; BITAR, YOUSZEF O.C.
; SILVEIRA, MARCOS
; MORATO, ELDER FERREIRA
; PAGOTTO, RUBIANI DE CÁSSIA
; STRUSSMANN, CHRISTINE
; MACHADO, RICARDO BOMFIM
; AGUIAR, LUDMILLA MOURA DE SOUZA
; FERNANDES, GERALDO WILSON
; OKI, YUMI
; NOVAIS, SAMUEL
; FERREIRA, GUILHERME BRAGA
; BARBOSA, FLÁVIA RODRIGUES
; OCHOA, ANA C.
; MANGIONE, ANTONIO M.
; GATICA, AILIN
; CARRIZO, MARÍA CELINA
; RETTA, LUCÍA MARTINEZ
; JOFRÉ, LAURA E.
; CASTILLO, LUCIANA L.
; NEME, ANDREA M.
; RUEDA, CARLA
; TOLEDO, JOSÉ JULIO DE
; GRELLE, CARLOS EDUARDO VIVEIROS
; VALE, MARIANA M.
; VIEIRA, MARCUS VINICIUS
; CERQUEIRA, RUI
; HIGASHIKAWA, EMÍLIO MANABU
; MENDONÇA, FERNANDO PEREIRA DE
; GUERREIRO, QUÊZIA LEANDRO DE MOURA
; BANHOS, AUREO
; HERO, JEAN-MARC
; KOBLITZ, RODRIGO
; COLLEVATTI, ROSANE GARCIA
; SILVEIRA, LUÍS FÁBIO
; VASCONCELOS, HERALDO L.
; VIEIRA, CECÍLIA RODRIGUES
; COLLI, GUARINO RINALDI
; CECHIN, SONIA ZANINI
; SANTOS, TIAGO GOMES DOS
; FONTANA, CARLA S.
; JARENKOW, JOÃO A.
; MALABARBA, LUIZ R.
; RUEDA, MARTA P.
; ARAUJO, PUBLIO A.
; PALOMO, LUCAS
; ITURRE, MARTA C.
; BERGALLO, HELENA GODOY
; MAGNUSSON, WILLIAM E.
.
Abstract The Program for Biodiversity Research (PPBio) is an innovative program designed to integrate all biodiversity research stakeholders. Operating since 2004, it has installed long-term ecological research sites throughout Brazil and its logic has been applied in some other southern-hemisphere countries. The program supports all aspects of research necessary to understand biodiversity and the processes that affect it. There are presently 161 sampling sites (see some of them at Supplementary Appendix), most of which use a standardized methodology that allows comparisons across biomes and through time. To date, there are about 1200 publications associated with PPBio that cover topics ranging from natural history to genetics and species distributions. Most of the field data and metadata are available through PPBio web sites or DataONE. Metadata is available for researchers that intend to explore the different faces of Brazilian biodiversity spatio-temporal variation, as well as for managers intending to improve conservation strategies. The Program also fostered, directly and indirectly, local technical capacity building, and supported the training of hundreds of undergraduate and graduate students. The main challenge is maintaining the long-term funding necessary to understand biodiversity patterns and processes under pressure from global environmental changes.
https://doi.org/10.1590/0001-3765202120201604
1034 downloads
6.
Regenerated Cellulose Membrane from Peanut Shell for Biodiesel Purification
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Reis, Ana Maria S.
; Vieira, Andressa T.
; Santos, Allyson L. R.
; Ferreira, Marcos V.
; Batista, Antônio C. F.
; Assunção, Rosana M. N.
; Rodrigues Filho, Guimes
; Ribeiro, Elaine A. M.
; Faria, Anizio M.
.
Journal of the Brazilian Chemical Society
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Biodiesel purification by water washing has been proved to be an unattractive process from an economic and environmental point of view. In this work, we propose the use of regenerated cellulose membranes from peanut shell as an alternative in the biodiesel purification. The preparation of the membranes was optimized from a central composite design, resulting in dense and non-porous membranes. However, in contact with biodiesel, the membranes undergo expansion due to the retention of methanol, water, and glycerol molecules, allowing the permeation of fatty acid methyl esters. The filtered biodiesel presents quality parameters, such as total ester content of 98.3 ± 1.4% and free glycerol content < 0.02%, in agreement with the main regulatory agencies. The regenerated cellulose membranes from peanut shell are easily prepared, with high repeatability (relative standard deviation (RSD) < 1.8%) and are presented as an economical and environmental solution for the biodiesel purification.
https://doi.org/10.21577/0103-5053.20190267
277 downloads
7.
Snake venoms and purified toxins as biotechnological tools to control Ralstonia solanacearum
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Alves, Rita de Cássia
; Vieira Júnior, José Roberto
; Freire, Tamiris Chaves
; Fonseca, Aline Souza da
; Sangi, Simone Carvalho
; Barbieri, Fábio da Silva
; Rocha, Rodrigo Barros
; Brito, Luciana Gatto
; Pereira, Soraya dos Santos
; Luiz, Marcos Barros
; Freire, Francisco das Chagas Oliveira
; Fernandes, Carla Freire Celedonio
; Soares, Andreimar Martins
; Fernandes, Cléberson de Freitas
.
Resumo: O objetivo deste trabalho foi avaliar a atividade antibacteriana in vitro de venenos e toxinas purificadas de serpentes sobre a bactéria fitopatogênica Ralstonia solanacearum. As avaliações foram realizadas em 17 venenos brutos (13 de Bothrops, 3 de Crotalus e 1 de Lachesis) e sete toxinas (1 de Bothrops e 6 de Crotalus). A atividade antibacteriana foi avaliada em meio MB1 que continha os tratamentos solubilizados (1 μL mL-1). Utilizou-se o total de 100 μL de suspensão bacteriana (8,4 x 109 UFC mL-1). Após incubação a 28°C, avaliou-se o número de colônias bacterianas às 24, 48 e 72 horas após a inoculação. O gel SDS-PAGE a 15% foi usado para analisar o perfil proteico das amostras, tendo-se utilizado 5 μg de proteína no ensaio. Além disso, os valores de concentração inibitória mínima (CIM) e concentração letal (CL50) foram determinados pelo método Probit. Os venenos e as toxinas foram capazes de reduzir mais de 90% do crescimento de R. solanacearum. Esses resultados foram ou equivalentes aos do controle positivo cloranfenicol ou até melhores. Enquanto os valores de CIM variaram de 4,0 a 271,5 μg mL-1, a CL50 variou de 28,5 μg mL-1 a 4,38 mg mL-1. Dez venenos brutos (7 de Bothrops e 3 de Crotalus) e duas toxinas (giroxina e crotamina) são abordagens promissoras para o controle da bactéria fitopatogênica R. solanacearum.
Abstract: The objective of this work was to evaluate the in vitro antibacterial activity of snake venoms and purified toxins on the phytopathogenic bacterium Ralstonia solanacearum. The evaluations were performed with 17 crude venoms (13 from Bothrops, 3 from Crotalus, and 1 from Lachesis) and seven toxins (1 from Bothrops and 6 from Crotalus). Antibacterial activity was assessed in MB1 medium containing solubilized treatments (1 μL mL-1). A total of 100 μL bacterial suspension (8.4 x 109 CFU mL-1) was used. After incubation at 28°C, the number of bacterial colonies at 24, 48, and 72 hours after inoculation was evaluated. SDS-PAGE gel at 15% was used to analyze the protein patterns of the samples, using 5 μg protein of each sample in the assay. Furthermore, the minimum inhibitory concentration (MIC) and lethal concentration (LC50) values were determined by the Probit method. Venoms and toxins were able to reduce more than 90% of R. solanacearum growth. These results were either equivalent to those of the positive control chloramphenicol or even better. While MIC values ranged from 4.0 to 271.5 μg mL-1, LC50 ranged from 28.5 μg mL-1 to 4.38 mg mL-1. Ten crude venoms (7 from Bothrops and 3 from Crotalus) and two purified toxins (gyroxin and crotamine) are promising approaches to control the phytopathogenic bacterium R. solanacearum.
https://doi.org/10.1590/s1678-3921.pab2020.v55.01756
478 downloads
8.
Brazilian recommendations on the safety and effectiveness of the yellow fever vaccination in patients with chronic immune-mediated inflammatory diseases
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Pileggi, Gecilmara Salviato
; Mota, Licia Maria Henrique Da
; Kakehasi, Adriana Maria
; Souza, Alexandre Wagner De
; Rocha, Aline
; Melo, Ana Karla Guedes de
; Fonte, Caroline Araujo M. da
; Bortoletto, Cecilia
; Brenol, Claiton Viegas
; Marques, Claudia Diniz Lopes
; Zaltman, Cyrla
; Borba, Eduardo Ferreira
; Reis, Enio Ribeiro
; Freire, Eutilia Andrade Medeiros
; Klumb, Evandro Mendes
; Christopoulos, Georges Basile
; Laurindo, Ieda Maria M.
; Ballalai, Isabella
; Costa, Izaias Pereira Da
; Michelin, Lessandra
; Valadares, Lilian David de Azevêdo
; Chebli, Liliana Andrade
; Lacerda, Marcus
; Toscano, Maria Amazile Ferreira
; Yazbek, Michel Alexandre
; Vieira, Rejane Maria R. De Abreu
; Magalhães, Renata
; Kfouri, Renato
; Richtmann, Rosana
; Merenlender, Selma Da Costa Silva
; Valim, Valeria
; Assis, Marcos Renato De
; Kowalski, Sergio Candido
; Trevisani, Virginia Fernandes Moça
.
Abstract Background: In Brazil, we are facing an alarming epidemic scenario of Yellow fever (YF), which is reaching the most populous areas of the country in unvaccinated people. Vaccination is the only effective tool to prevent YF. In special situations, such as patients with chronic immune-mediated inflammatory diseases (CIMID), undergoing immunosuppressive therapy, as a higher risk of severe adverse events may occur, assessment of the risk-benefit ratio of the yellow fever vaccine (YFV) should be performed on an individual level. Main body of the abstract: Faced with the scarcity of specific orientation on YFV for this special group of patients, the Brazilian Rheumatology Society (BRS) endorsed a project aiming the development of individualized YFV recommendations for patients with CIMID, guided by questions addressed by both medical professionals and patients, followed an internationally validated methodology (GIN-McMaster Guideline Development). Firstly, a systematic review was carried out and an expert panel formed to take part of the decision process, comprising BRS clinical practitioners, as well as individuals from the Brazilian Dermatology Society (BDS), Brazilian Inflammatory Bowel Diseases Study Group (GEDIIB), and specialists on infectious diseases and vaccination (from Tropical Medicine, Infectious Diseases and Immunizations National Societies); in addition, two representatives of patient groups were included as members of the panel. When the quality of the evidence was low or there was a lack of evidence to determine the recommendations, the decisions were based on the expert opinion panel and a Delphi approach was performed. A recommendation was accepted upon achieving ≥80% agreement among the panel, including the patient representatives. As a result, eight recommendations were developed regarding the safety of YFV in patients with CIMID, considering the immunosuppression degree conferred by the treatment used. It was not possible to establish recommendations on the effectiveness of YFV in these patients as there is no consistent evidence to support these recommendations. Conclusion: This paper approaches a real need, assessed by clinicians and patient care groups, to address specific questions on the management of YFV in patients with CIMID living or traveling to YF endemic areas, involving specialists from many areas together with patients, and might have global applicability, contributing to and supporting vaccination practices. We recommended a shared decision-making approach on taking or not the YFV.
https://doi.org/10.1186/s42358-019-0056-x
1111 downloads
9.
Clinical and hematological profile in a newborn cohort with hemoglobin SC
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Rezende, Paulo V.
; Santos, Millane V.
; Campos, Gustavo F.
; Vieira, Laura L.M.
; Souza, Maristela B.
; Belisário, André R.
; Silva, Celia M.
; Viana, Marcos B.
.
Resumo Objetivos: A hemoglobinopatia SC é a segunda variante mais comum da doença falciforme no mundo, após a hemoglobinopatia SS. Os objetivos do estudo foram descrever as características clínicas e laboratoriais da hemoglobinopatia SC em recém-nascidos diagnosticados por programa de triagem neonatal e encaminhados para acompanhamento em hemocentro. Metodologia: Coorte de 461 recém-nascidos SC nascidos entre 01/01/1999 e 31/12/2012 e seguidos até 31/12/2014. A incidência de eventos clínicos foi expressa por taxas relativas a 100 pacientes-ano, com limites de confiança a 95%. Curvas de sobrevida foram construídas segundo Kaplan-Meier. Resultados: Mediana de idade, 9,2 anos; 47,5%, feminino. Médias dos valores hematológicos: hemoglobina 10,5 g/dL; reticulócitos 3,4%; leucometria 11,24 x 109/L; plaquetometria 337,1x109/L; hemoglobina fetal 6,3%. Eventos clínicos: sequestro esplênico agudo em 14,8%, hemotransfusão 23,4%, AVC isquêmico 0,2%. A incidência de episódios vaso-oclusivos dolorosos foi de 51 (48,9-53,4) por 100 pacientes-ano; a de infecções, 62,2 episódios (59,8-64,8) por 100 pacientes-ano. Doppler transcraniano (n = 71) foi normal, se usados os valores de referência de crianças SS. Dez pacientes usaram hidroxiureia, todos com melhoria das crises dolorosas. Retinopatia foi observada em 20,3% das 59 crianças que fizeram fundoscopia. Necrose avascular foi detectada em 7 de 12 pacientes avaliados, com predomínio no fêmur esquerdo. Ecocardiograma compatível com hipertensão pulmonar foi registrado em 4,6% de 130 crianças, com média estimada de 33,5 mm Hg de pressão arterial pulmonar. A taxa de mortalidade por todas as causas foi de 4,3%. Conclusões: A hemoglobinopatia SC tem gravidade variável; várias crianças apresentam manifestações clínicas intensas, semelhantes às da hemoglobinopatia SS.
Abstract Objectives: Hemoglobin SC is the second most common variant of sickle-cell disease worldwide, after hemoglobin SS. The objectives of the study were to describe the clinical and laboratory characteristics of hemoglobin SC disease in children from a newborn screening program and treated at a blood center. Methodology: This study assessed a cohort of 461 infants born between 01/01/1999 and 12/31/2012 and followed-up until 12/31/2014. Clinical events were expressed as rates for 100 patient-years, with 95% confidence intervals. Kaplan-Meier survival curves were created. Results: The median age of patients was 9.2 years; 47.5% were female. Mean values of blood tests were: hemoglobin, 10.5 g/dL; reticulocytes, 3.4%; white blood cells, 11.24 × 109/L; platelets, 337.1 × 109/L; and fetal hemoglobin, 6.3%. Clinical events: acute splenic sequestration in 14.8%, blood transfusion 23.4%, overt stroke in 0.2%. The incidence of painful vaso-occlusive episodes was 51 (48.9-53.4) per 100 patient-years and that of infections, 62.2 episodes (59.8-64.8) per 100 patient-years. Transcranial Doppler ultrasonography (n = 71) was normal given the current reference values for SS patients. Hydroxyurea was given to ten children, all of whom improvement of painful crises. Retinopathy was observed in 20.3% of 59 children who underwent ophthalmoscopy. Avascular necrosis was detected in seven of 12 patients evaluated, predominantly in the left femur. Echocardiogram compatible with pulmonary hypertension was recorded in 4.6% of 130 children, with an estimated average systolic pulmonary artery pressure of 33.5 mmHg. The mortality rate from all causes was 4.3%. Conclusions: Clinical severity is variable in SC hemoglobinopathy. Several children have severe manifestations similar to those with SS disease.
https://doi.org/10.1016/j.jped.2017.09.010
2206 downloads
10.
Brazilian legislation on genetic heritage harms Biodiversity Convention goals and threatens basic biology research and education
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ALVES, RUY JOSÉ V.
; WEKSLER, MARCELO
; OLIVEIRA, JOÃO A.
; BUCKUP, PAULO A.
; POMBAL JR., JOSÉ P.
; SANTANA, HÉLCIO R.G.
; PERACCHI, ADRIANO LÚCIO
; KELLNER, ALEXANDER W.A.
; ALEIXO, ALEXANDRE
; LANGGUTH, ALFREDO
; ALMEIDA, ALZIRA MARIA P. DE
; ALBERNAZ, ANA LUISA
; RIBAS, CAMILA C.
; ZILBERBERG, CARLA
; GRELLE, CARLOS EDUARDO V.
; ROCHA, CARLOS F.D.
; LAMAS, CARLOS JOSÉ E.
; HADDAD, CÉLIO F.B.
; BONVICINO, CIBELE R.
; PRADO, CYNTHIA P.A.
; LIMA, DANIELA O. DE
; ROSSA-FERES, DENISE C.
; SANTOS, FABRÍCIO R. DOS
; SALIMENA, FÁTIMA REGINA G.
; PERINI, FERNANDO A.
; BOCKMANN, FLÁVIO A.
; FRANCO, FRANCISCO LUÍS
; GIUDICE, GISELE M.L. DEL
; COLLI, GUARINO R.
; VIEIRA, IMA CÉLIA G.
; MARINHO-FILHO, JADER
; WERNECK, JANE M.C.F.
; SANTOS, JORGE A.D. DOS
; NASCIMENTO, JORGE LUIZ DO
; NESSIMIAN, JORGE LUIZ
; CORDEIRO, JOSÉ LUIS P.
; CLARO, KLEBER DEL
; SALLES, LEANDRO O.
; CASATTI, LILIAN
; PY-DANIEL, LUCIA HELENA R.
; SILVEIRA, LUÍS FÁBIO
; TOLEDO, LUÍS FELIPE
; OLIVEIRA, LUIZ F. DE
; MALABARBA, LUIZ ROBERTO
; SILVA, MARCELO D. DA
; COURI, MÁRCIA S.
; MARTINS, MÁRCIO
; TAVARES, MARCOS D.S.
; SOBRAL, MARCOS EDUARDO G.
; VIEIRA, MARCUS VINÍCIUS
; OLIVEIRA, MARIA DE LOURDES A.
; PINNA, MÁRIO DE
; HOPKINS, MICHAEL J.G.
; SOLÉ, MIRCO
; MENEZES, NAÉRCIO A.
; PASSOS, PAULO
; D’ANDREA, PAULO SERGIO
; PINTO, PEDRO C.E.A.
; VIANA, PEDRO L.
; TOLEDO, PETER M.
; REIS, ROBERTO E.
; VILELA, ROBERTO
; BASTOS, ROGÉRIO P.
; COLLEVATTI, ROSANE G.
; CERQUEIRA, RUI
; CASTROVIEJO-FISHER, SANTIAGO
; CARAMASCHI, ULISSES
.
https://doi.org/10.1590/0001-3765201820180460
7311 downloads
11.
NEW DEGRADED QUINONE DITERPENOID FROM THE STEMS OF Byrsonima coccolobifolia Kunth. (Malpighiaceae)
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Sousa, Lorena R. F. de
; Santos, Marcos H. F.
; Severino, Vanessa G. P.
; Severino, Richele P.
; Vieira, Paulo C.
.
A chemical investigation of two specimens of Byrsonima coccolobifolia collected in the southeast cerrado and from central Brazil was performed. A new degraded diterpenoid, byrsonimaquinone, was isolated from the stems along with known compounds. This is the first study on the roots of B. coccolobifolia, and several triterpenes, such as α-amyrin, β-amyrin, oleanolic acid, and glochidonol, along with a mixture of stigmasterol, β-sitosterol and campesterol, were identified. These compounds were identified by spectroscopic analysis techniques, including 1D and 2D NMR, GC-MS and high-resolution mass spectrometry.
https://doi.org/10.21577/0100-4042.20170173
615 downloads
12.
Rapid Detection of ACTG- and AK-Toxins in Alternaria alternata by LC-ESI-MS/MS Analysis and Antifungal Properties of Citrus Compounds
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Prieto, Kátia R.
; Medeiros, Lívia S. de
; Isidoro, Marsele M.
; Toffano, Leonardo
; Silva, Maria Fátima G. F. da
; Fernandes, João B.
; Vieira, Paulo C.
; Forim, Moacir R.
; Rodrigues-Filho, Edson
; Stuart, Rodrigo M.
; Machado, Marcos A.
.
Journal of the Brazilian Chemical Society
- Journal Metrics
A methanol-soluble fraction of the dichloromethane extract from the culture broth of A. alternata AT4303 strain afforded the following five known mycotoxins: alternariol, alternariol monomethyl ether, altenusin, altenuene and altertoxin I. A hexane-soluble fraction of the dichloromethane extract yielded the steroids ergosterol and ergosterol peroxide, and alternariol monomethyl ether. The concentrated ethyl acetate extract afforded the nucleoside uridine, uracil and inosine. The micro-extracts obtained from this strain in solid media were analyzed using liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS), and the following five known toxins were identified: ACTG-C, D, E and F and AK-toxin II. The major toxins produced by the tangerine pathotype ACT-toxins appear to be absent in strain AT4303. However, the low concentration of ACT-toxins appears to be responsible for their lack of detection in this study. Some compounds isolated from citrus plants were tested for in vitro activity against this strain. The results indicated that 17.3 µM apigenin-7-O-rutinoside inhibited by 80% conidial germination and appressorium development.
https://doi.org/10.5935/0103-5053.20160195
1193 downloads
13.
Rangelia vitalii, Babesia spp. and Ehrlichia spp. in dogs in Passo Fundo, state of Rio Grande do Sul, Brazil
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Gottlieb, Juliana
; André, Marcos Rogério
; Soares, João Fábio
; Gonçalves, Luiz Ricardo
; Tonial de Oliveira, Mateus
; Costa, Marcio Machado
; Labruna, Marcelo Bahia
; Bortolini, Carlos Eduardo
; Machado, Rosangela Zacarias
; Vieira, Maria Isabel Botelho
.
Revista Brasileira de Parasitologia Veterinária
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Resumo Patógenos transmitidos por carrapatos são um problema emergente em todo o mundo, o trabalho objetivou diagnosticar os agentes causais da infecção em cães com suspeita de hemoparasitoses. Cinquenta e oito caninos com sinais clínicos como depressão, diáteses hemorrágicas e febre foram avaliados quanto à apresentação clínica, hemograma, esfregaço sanguíneo, sorologia pelo método de Imunofluorescência Indireta para os agentes Babesia vogeli e Ehrlichia canis e na PCR convencional para Babesia spp. (gene 18S rRNA), Rangelia vitalii (gene 18S rRNA) e Ehrlichia spp. (gene dsb). Cinco (8,6%) dos 58 cães apresentaram sorologia positiva para Babesia spp. e três (5,1%) para E. canis. Quatro (6,8%) animais mostraram-se positivos para R. vitalii no diagnóstico molecular. Os produtos da PCR foram sequenciados e o DNA encontrado de R. vitalii mostrou 99% de identidade genética com amostras de R. vitalii isoladas no Brasil. Não foi observada a presença de Babesia spp. e E. canis na PCR dos cães avaliados. Os resultados indicaram a presença de R. vitalii e exposição a Babesia spp. e Ehrlichia spp. entre os cães analisados.
Abstract Pathogens transmitted by ticks are an emerging problem worldwide, this study aimed to diagnose the causal agents of infection in dogs presenting suspected hemoparasitoses. Fifty-eight dogs with clinical signs such as depression, hemorrhagic diathesis and fever were evaluated regarding clinical presentation, hemogram, blood smears and serological tests, using the indirect immunofluorescence method for the agents Babesia vogeli and Ehrlichia canis and conventional PCR for Babesia spp. (gene 18S rRNA), Rangelia vitalii (gene 18S rRNA) and Ehrlichia spp. (gene dsb). Five (8.6%) of the 58 dogs were serologically positive for Babesia spp. and three (5.1%) for E. canis. Four dogs (6.8%) were positive for R. vitalii through the molecular diagnosis. The PCR products were sequenced and the DNA from R. vitalii was found to be 99% genetically identical to samples of R. vitalii that had been isolated in Brazil. No presence of Babesia spp. or E. canis was observed through PCR on the dogs evaluated here. The results indicate the presence of R. vitalii and exposure to Babesia spp. and Ehrlichia spp. among the dogs analyzed.
https://doi.org/10.1590/S1984-29612016041
4612 downloads
14.
Growing knowledge: an overview of Seed Plant diversity in Brazil
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Zappi, Daniela C.
; Filardi, Fabiana L. Ranzato
; Leitman, Paula
; Souza, Vinícius C.
; Walter, Bruno M.T.
; Pirani, José R.
; Morim, Marli P.
; Queiroz, Luciano P.
; Cavalcanti, Taciana B.
; Mansano, Vidal F.
; Forzza, Rafaela C.
; Abreu, Maria C.
; Acevedo-Rodríguez, Pedro
; Agra, Maria F.
; Almeida Jr., Eduardo B.
; Almeida, Gracineide S.S.
; Almeida, Rafael F.
; Alves, Flávio M.
; Alves, Marccus
; Alves-Araujo, Anderson
; Amaral, Maria C.E.
; Amorim, André M.
; Amorim, Bruno
; Andrade, Ivanilza M.
; Andreata, Regina H.P.
; Andrino, Caroline O.
; Anunciação, Elisete A.
; Aona, Lidyanne Y.S.
; Aranguren, Yani
; Aranha Filho, João L.M.
; Araújo, Andrea O.
; Araújo, Ariclenes A.M.
; Araújo, Diogo
; Arbo, María M.
; Assis, Leandro
; Assis, Marta C.
; Assunção, Vivian A.
; Athiê-Souza, Sarah M.
; Azevedo, Cecilia O.
; Baitello, João B.
; Barberena, Felipe F.V.A.
; Barbosa, Maria R.V.
; Barros, Fábio
; Barros, Lucas A.V.
; Barros, Michel J.F.
; Baumgratz, José F.A.
; Bernacci, Luis C.
; Berry, Paul E.
; Bigio, Narcísio C.
; Biral, Leonardo
; Bittrich, Volker
; Borges, Rafael A.X.
; Bortoluzzi, Roseli L.C.
; Bove, Cláudia P.
; Bovini, Massimo G.
; Braga, João M.A.
; Braz, Denise M.
; Bringel Jr., João B.A.
; Bruniera, Carla P.
; Buturi, Camila V.
; Cabral, Elza
; Cabral, Fernanda N.
; Caddah, Mayara K.
; Caires, Claudenir S.
; Calazans, Luana S.B.
; Calió, Maria F.
; Camargo, Rodrigo A.
; Campbell, Lisa
; Canto-Dorow, Thais S.
; Carauta, Jorge P.P.
; Cardiel, José M.
; Cardoso, Domingos B.O.S.
; Cardoso, Leandro J.T.
; Carneiro, Camila R.
; Carneiro, Cláudia E.
; Carneiro-Torres, Daniela S.
; Carrijo, Tatiana T.
; Caruzo, Maria B.R.
; Carvalho, Maria L.S.
; Carvalho-Silva, Micheline
; Castello, Ana C.D.
; Cavalheiro, Larissa
; Cervi, Armando C.
; Chacon, Roberta G.
; Chautems, Alain
; Chiavegatto, Berenice
; Chukr, Nádia S.
; Coelho, Alexa A.O.P.
; Coelho, Marcus A.N.
; Coelho, Rubens L.G.
; Cordeiro, Inês
; Cordula, Elizabeth
; Cornejo, Xavier
; Côrtes, Ana L.A.
; Costa, Andrea F.
; Costa, Fabiane N.
; Costa, Jorge A.S.
; Costa, Leila C.
; Costa-e-Silva, Maria B.
; Costa-Lima, James L.
; Cota, Maria R.C.
; Couto, Ricardo S.
; Daly, Douglas C.
; De Stefano, Rodrigo D.
; De Toni, Karen
; Dematteis, Massimiliano
; Dettke, Greta A.
; Di Maio, Fernando R.
; Dórea, Marcos C.
; Duarte, Marília C.
; Dutilh, Julie H.A.
; Dutra, Valquíria F.
; Echternacht, Lívia
; Eggers, Lilian
; Esteves, Gerleni
; Ezcurra, Cecilia
; Falcão Junior, Marcus J.A.
; Feres, Fabíola
; Fernandes, José M.
; Ferreira, D.M.C.
; Ferreira, Fabrício M.
; Ferreira, Gabriel E.
; Ferreira, Priscila P.A.
; Ferreira, Silvana C.
; Ferrucci, Maria S.
; Fiaschi, Pedro
; Filgueiras, Tarciso S.
; Firens, Marcela
; Flores, Andreia S.
; Forero, Enrique
; Forster, Wellington
; Fortuna-Perez, Ana P.
; Fortunato, Reneé H.
; Fraga, Cléudio N.
; França, Flávio
; Francener, Augusto
; Freitas, Joelcio
; Freitas, Maria F.
; Fritsch, Peter W.
; Furtado, Samyra G.
; Gaglioti, André L.
; Garcia, Flávia C.P.
; Germano Filho, Pedro
; Giacomin, Leandro
; Gil, André S.B.
; Giulietti, Ana M.
; A.P.Godoy, Silvana
; Goldenberg, Renato
; Gomes da Costa, Géssica A.
; Gomes, Mário
; Gomes-Klein, Vera L.
; Gonçalves, Eduardo Gomes
; Graham, Shirley
; Groppo, Milton
; Guedes, Juliana S.
; Guimarães, Leonardo R.S.
; Guimarães, Paulo J.F.
; Guimarães, Elsie F.
; Gutierrez, Raul
; Harley, Raymond
; Hassemer, Gustavo
; Hattori, Eric K.O.
; Hefler, Sonia M.
; Heiden, Gustavo
; Henderson, Andrew
; Hensold, Nancy
; Hiepko, Paul
; Holanda, Ana S.S.
; Iganci, João R.V.
; Imig, Daniela C.
; Indriunas, Alexandre
; Jacques, Eliane L.
; Jardim, Jomar G.
; Kamer, Hiltje M.
; Kameyama, Cíntia
; Kinoshita, Luiza S.
; Kirizawa, Mizué
; Klitgaard, Bente B.
; Koch, Ingrid
; Koschnitzke, Cristiana
; Krauss, Nathália P.
; Kriebel, Ricardo
; Kuntz, Juliana
; Larocca, João
; Leal, Eduardo S.
; Lewis, Gwilym P.
; Lima, Carla T.
; Lima, Haroldo C.
; Lima, Itamar B.
; Lima, Laíce F.G.
; Lima, Laura C.P.
; Lima, Leticia R.
; Lima, Luís F.P.
; Lima, Rita B.
; Lírio, Elton J.
; Liro, Renata M.
; Lleras, Eduardo
; Lobão, Adriana
; Loeuille, Benoit
; Lohmann, Lúcia G.
; Loiola, Maria I.B.
; Lombardi, Julio A.
; Longhi-Wagner, Hilda M.
; Lopes, Rosana C.
; Lorencini, Tiago S.
; Louzada, Rafael B.
; Lovo, Juliana
; Lozano, Eduardo D.
; Lucas, Eve
; Ludtke, Raquel
; Luz, Christian L.
; Maas, Paul
; Machado, Anderson F.P.
; Macias, Leila
; Maciel, Jefferson R.
; Magenta, Mara A.G.
; Mamede, Maria C.H.
; Manoel, Evelin A.
; Marchioretto, Maria S.
; Marques, Juliana S.
; Marquete, Nilda
; Marquete, Ronaldo
; Martinelli, Gustavo
; Martins da Silva, Regina C.V.
; Martins, Ângela B.
; Martins, Erika R.
; Martins, Márcio L.L.
; Martins, Milena V.
; Martins, Renata C.
; Matias, Ligia Q.
; Maya-L., Carlos A.
; Mayo, Simon
; Mazine, Fiorella
; Medeiros, Debora
; Medeiros, Erika S.
; Medeiros, Herison
; Medeiros, João D.
; Meireles, José E.
; Mello-Silva, Renato
; Melo, Aline
; Melo, André L.
; Melo, Efigênia
; Melo, José I.M.
; Menezes, Cristine G.
; Menini Neto, Luiz
; Mentz, Lilian A.
; Mezzonato, A.C.
; Michelangeli, Fabián A.
; Milward-de-Azevedo, Michaele A.
; Miotto, Silvia T.S.
; Miranda, Vitor F.O.
; Mondin, Cláudio A.
; Monge, Marcelo
; Monteiro, Daniele
; Monteiro, Raquel F.
; Moraes, Marta D.
; Moraes, Pedro L.R.
; Mori, Scott A.
; Mota, Aline C.
; Mota, Nara F.O.
; Moura, Tania M.
; Mulgura, Maria
; Nakajima, Jimi N.
; Nardy, Camila
; Nascimento Júnior, José E.
; Noblick, Larry
; Nunes, Teonildes S.
; O'Leary, Nataly
; Oliveira, Arline S.
; Oliveira, Caetano T.
; Oliveira, Juliana A.
; Oliveira, Luciana S.D.
; Oliveira, Maria L.A.A.
; Oliveira, Regina C.
; Oliveira, Renata S.
; Oliveira, Reyjane P.
; Paixão-Souza, Bruno
; Parra, Lara R.
; Pasini, Eduardo
; Pastore, José F.B.
; Pastore, Mayara
; Paula-Souza, Juliana
; Pederneiras, Leandro C.
; Peixoto, Ariane L.
; Pelissari, Gisela
; Pellegrini, Marco O.O.
; Pennington, Toby
; Perdiz, Ricardo O.
; Pereira, Anna C.M.
; Pereira, Maria S.
; Pereira, Rodrigo A.S.
; Pessoa, Clenia
; Pessoa, Edlley M.
; Pessoa, Maria C.R.
; Pinto, Luiz J.S.
; Pinto, Rafael B.
; Pontes, Tiago A.
; Prance, Ghillean T.
; Proença, Carolyn
; Profice, Sheila R.
; Pscheidt, Allan C.
; Queiroz, George A.
; Queiroz, Rubens T.
; Quinet, Alexandre
; Rainer, Heimo
; Ramos, Eliana
; Rando, Juliana G.
; Rapini, Alessandro
; Reginato, Marcelo
; Reis, Ilka P.
; Reis, Priscila A.
; Ribeiro, André R.O.
; Ribeiro, José E.L.S.
; Riina, Ricarda
; Ritter, Mara R.
; Rivadavia, Fernando
; Rocha, Antônio E.S.
; Rocha, Maria J.R.
; Rodrigues, Izabella M.C.
; Rodrigues, Karina F.
; Rodrigues, Rodrigo S.
; Rodrigues, Rodrigo S.
; Rodrigues, Vinícius T.
; Rodrigues, William
; Romaniuc Neto, Sérgio
; Romão, Gerson O.
; Romero, Rosana
; Roque, Nádia
; Rosa, Patrícia
; Rossi, Lúcia
; Sá, Cyl F.C.
; Saavedra, Mariana M.
; Saka, Mariana
; Sakuragui, Cássia M.
; Salas, Roberto M.
; Sales, Margareth F.
; Salimena, Fatima R.G.
; Sampaio, Daniela
; Sancho, Gisela
; Sano, Paulo T.
; Santos, Alessandra
; Santos, Élide P.
; Santos, Juliana S.
; Santos, Marianna R.
; Santos-Gonçalves, Ana P.
; Santos-Silva, Fernanda
; São-Mateus, Wallace
; Saraiva, Deisy P.
; Saridakis, Dennis P.
; Sartori, Ângela L.B.
; Scalon, Viviane R.
; Schneider, Ângelo
; Sebastiani, Renata
; Secco, Ricardo S.
; Senna, Luisa
; Senna-Valle, Luci
; Shirasuna, Regina T.
; Silva Filho, Pedro J.S.
; Silva, Anádria S.
; Silva, Christian
; Silva, Genilson A.R.
; Silva, Gisele O.
; Silva, Márcia C.R.
; Silva, Marcos J.
; Silva, Marcos J.
; Silva, Otávio L.M.
; Silva, Rafaela A.P.
; Silva, Saura R.
; Silva, Tania R.S.
; Silva-Gonçalves, Kelly C.
; Silva-Luz, Cíntia L.
; Simão-Bianchini, Rosângela
; Simões, André O.
; Simpson, Beryl
; Siniscalchi, Carolina M.
; Siqueira Filho, José A.
; Siqueira, Carlos E.
; Siqueira, Josafá C.
; Smith, Nathan P.
; Snak, Cristiane
; Soares Neto, Raimundo L.
; Soares, Kelen P.
; Soares, Marcos V.B.
; Soares, Maria L.
; Soares, Polyana N.
; Sobral, Marcos
; Sodré, Rodolfo C.
; Somner, Genise V.
; Sothers, Cynthia A.
; Sousa, Danilo J.L.
; Souza, Elnatan B.
; Souza, Élvia R.
; Souza, Marcelo
; Souza, Maria L.D.R.
; Souza-Buturi, Fátima O.
; Spina, Andréa P.
; Stapf, María N.S.
; Stefano, Marina V.
; Stehmann, João R.
; Steinmann, Victor
; Takeuchi, Cátia
; Taylor, Charlotte M.
; Taylor, Nigel P.
; Teles, Aristônio M.
; Temponi, Lívia G.
; Terra-Araujo, Mário H.
; Thode, Veronica
; Thomas, W.Wayt
; Tissot-Squalli, Mara L.
; Torke, Benjamin M.
; Torres, Roseli B.
; Tozzi, Ana M.G.A.
; Trad, Rafaela J.
; Trevisan, Rafael
; Trovó, Marcelo
; Valls, José F.M.
; Vaz, Angela M.S.F.
; Versieux, Leonardo
; Viana, Pedro L.
; Vianna Filho, Marcelo D.M.
; Vieira, Ana O.S.
; Vieira, Diego D.
; Vignoli-Silva, Márcia
; Vilar, Thaisa
; Vinhos, Franklin
; Wallnöfer, Bruno
; Wanderley, Maria G.L.
; Wasshausen, Dieter
; Watanabe, Maurício T.C.
; Weigend, Maximilian
; Welker, Cassiano A.D.
; Woodgyer, Elizabeth
; Xifreda, Cecilia C.
; Yamamoto, Kikyo
; Zanin, Ana
; Zenni, Rafael D.
; Zickel, Carmem S
.
Resumo Um levantamento atualizado das plantas com sementes e análises relevantes acerca desta biodiversidade são apresentados. Este trabalho se iniciou em 2010 com a publicação do Catálogo de Plantas e Fungos e, desde então vem sendo atualizado por mais de 430 especialistas trabalhando online. O Brasil abriga atualmente 32.086 espécies nativas de Angiospermas e 23 espécies nativas de Gimnospermas e estes novos dados mostram um aumento de 3% da riqueza em relação a 2010. A Amazônia é o Domínio Fitogeográfico com o maior número de espécies de Gimnospermas, enquanto que a Floresta Atlântica possui a maior riqueza de Angiospermas. Houve um crescimento considerável no número de espécies e nas taxas de endemismo para a maioria dos Domínios (Caatinga, Cerrado, Floresta Atlântica, Pampa e Pantanal), com exceção da Amazônia que apresentou uma diminuição de 2,5% de endemicidade. Entretanto, a maior parte das plantas com sementes que ocorrem no Brasil (57,4%) é endêmica deste território. A proporção de formas de vida varia de acordo com os diferentes Domínios: árvores são mais expressivas na Amazônia e Floresta Atlântica do que nos outros biomas, ervas são dominantes no Pampa e as lianas apresentam riqueza expressiva na Amazônia, Floresta Atlântica e Pantanal. Este trabalho não só quantifica a biodiversidade brasileira, mas também indica as lacunas de conhecimento e o desafio a ser enfrentado para a conservação desta flora.
Abstract An updated inventory of Brazilian seed plants is presented and offers important insights into the country's biodiversity. This work started in 2010, with the publication of the Plants and Fungi Catalogue, and has been updated since by more than 430 specialists working online. Brazil is home to 32,086 native Angiosperms and 23 native Gymnosperms, showing an increase of 3% in its species richness in relation to 2010. The Amazon Rainforest is the richest Brazilian biome for Gymnosperms, while the Atlantic Rainforest is the richest one for Angiosperms. There was a considerable increment in the number of species and endemism rates for biomes, except for the Amazon that showed a decrease of 2.5% of recorded endemics. However, well over half of Brazillian seed plant species (57.4%) is endemic to this territory. The proportion of life-forms varies among different biomes: trees are more expressive in the Amazon and Atlantic Rainforest biomes while herbs predominate in the Pampa, and lianas are more expressive in the Amazon, Atlantic Rainforest, and Pantanal. This compilation serves not only to quantify Brazilian biodiversity, but also to highlight areas where there information is lacking and to provide a framework for the challenge faced in conserving Brazil's unique and diverse flora.
https://doi.org/10.1590/2175-7860201566411
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Effects of a physical therapy home-based exercise program for Parkinson's disease
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Santos, Viviane Vieira
; Araújo, Marco Antonio
; Nascimento, Osvaldo J. M
; Guimarães, Fernando Silva
; Orsini, Marco
; Freitas, Marcos R. G. de
.
INTRODUÇÃO: A doença de Parkinson (DP) é uma desordem neurológica que causa declínio funcional e da independência. O objetivo deste estudo foi avaliar os efeitos de um programa terapêutico autossupervisionado em pacientes com DP pelas escalas UPDRS e Hoehn-Yahr. MATERIAIS E MÉTODOS: Participaram do estudo 33 indivíduos nos estágios entre 1,5 e 3 de Hoehn-Yahr. Pacientes e familiares receberam um folheto (programa domiciliar) de 12 semanas, composto de atividades de fortalecimento e alongamento. Os pacientes foram treinados por um fisioterapeuta, e cada sessão teve duração de 60 minutos, três vezes por semana. RESULTADOS: Os pacientes foram classificados em quatro grupos: Grupo 1 - com menos de 60 anos de idade e menos de cinco anos de PD; Grupo 2 - com menos de 60 anos de idade e mais de cinco anos de PD; Grupo 3 - mais de 60 anos de idade e menos de cinco anos da doença; e Grupo 4 - com mais de 60 anos de idade e mais de cinco anos de PD. Melhorias significativas foram percebidas no grupo 1 quanto a atividades diárias e função motora (p > 0,05). O grupo 3 apresentou diferenças estatisticamente significativas na função motora (subescala) (p > 0,05) e o grupo 4 não mostrou piora na subescala mental (subescala) (p > 0,05). O grupo 2, no entanto, não apresentou diferenças em nenhuma das subescalas (p < 0,05). CONCLUSÃO: Embora nem todos os pacientes tenham apresentado melhorias em suas pontuações pela UPDRS, nossos dados indicam o uso de um programa domiciliar como método alternativo fisioterapêutico na doença de Parkinson.
INTRODUCTION: Parkinson's disease (PD) is a neurological disorder that causes loss of functional abilities and independence. The aim of this study was to evaluate the effects of a physical therapist-supervised home-based exercise program in patients with PD using the UPDRS scale. MATERIALS AND METHODS: Thirty-three PD patients in the 1.5 to 3 Hoehn and Yahr stages participated in the trial. The patients and their relatives received a booklet with a 12-week home program, with a series of strengthening, stretching and flexibility exercises. The patients were trained by a physical therapist, and each session took 60 minutes, three times a week. RESULTS: We classified our patients in four groups: Group 1 - patients under 60 years of age and less than five years of PD; Group 2 - patients under 60 years of age and more than five years of PD; Group 3 - patients over 60 years of age and less than five years of the disease; and Group 4 - patients over 60 years of age and more than five years of PD. Significant improvement was found in group 1 in mentation, activities of daily living and motor function (p > 0.05). Group 3 presented statistically significant differences in motor function subscale (p > 0.05) and Group 4 showed no worsening in mentation subscale (p > 0.05). Group 2, however, presented no difference in all subscales (p < 0.05). CONCLUSION: Although not all patients improved their UPDRS scores, our data support the use of a home program as an alternative method of physical therapy treatment for PD patients.
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