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1.
Relationship between Na/K-ATPase in thawed sperm and fertility of Angus bulls
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Marques, Juliana Carla Cavalcanti
; Cezar, Allan Rodolf Ribeiro
; Nascimento Júnior, Agnelo Douglas do
; Silva, Juliane Pereira da
; Batista, André Mariano
; Guerra, Maria Madalena Pessoa
; Câmara, Diogo Ribeiro
.
Abstract Since bull fertility prediction remains challenging, the identification of potential fertility markers is important considering the economic benefits to the livestock industry. The main goal of this study was to determine the Na/K-ATPase activity and expression in thawed sperm of high (HF)- and low-fertility (LF) Angus bulls. Samples from three different batches/bulls with HF (n = 4) and LF (n = 4) were used. The Na/K-ATPase activity was determined after thawing, whereas sperm kinematics, membrane integrity, and expression of Na/K-ATPase on sperm surface were evaluated immediately post-thaw and after 120 minutes of incubation. Within the same incubation time, there was no difference on sperm membrane integrity, kinematics, and the expression of Na/K-ATPase on the sperm surface between HF and LF bulls. Kinematic parameters of LIN and VCL were not influenced by incubation time in samples from HF and LF, respectively. A tendency (P = 0.06) of higher Na/K-ATPase enzymatic activity for sperm of HF bulls compared to LF bulls was observed (0.49 ± 0.07 and 0.32 ± 0.06, respectively). In conclusion, Na/K-ATPase activity and expression in thawed sperm from Angus bulls are not related to the fertility index after fixed-time artificial insemination. However, sperm kinematics related to hyperactivation might indicate higher sperm cryotolerance for HF bulls.
2.
Prevalence of COVID-19 in medical school and residency in Porto Alegre, RS
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Silva, Gabriela Salzano
; Avila, Georgia Oliveira
; Lubianca, Fernanda Nascimento
; Lubianca, João Pedro Neves
; Michelon, Victória Marques de Medeiros
; Kalil, Diogo Pereira
; Maestri, Lorenzo Feldman
; Lengler, Arthur Dementshuk
; Lima, Guilherme Pereira
; Lubianca Neto, José Faibes
.
SUMMARY OBJECTIVE: A multicentric, cross-sectional study was carried out to determine the prevalence and risk factors for Coronavirus disease 2019 in medical students and residents from four universities and affiliated hospitals in Brazil. METHODS: A survey about contamination risk and symptoms was sent to all participants through email and WhatsApp. Prevalence was measured by the self-report of positive polymerase chain reaction or serological test. Univariate and multivariate analyses were performed, and odds ratio and 95% confidence interval were calculated. RESULTS: Prevalence of infection by Sars-CoV-2 was 14.9% (151/1011). The disease was more prevalent in residents and interns than in undergraduate students. Contact with an infected relative outside the hospital or with colleagues without using personal protective equipment was associated with higher contamination. Contact with patients without wearing goggles and higher weekly frequency of contact were the two factors independently associated with the infection by Coronavirus disease 2019 in the multivariate analysis. CONCLUSIONS: Medical students, interns, and residents have a higher prevalence of Coronavirus disease 2019 than the general population, in which the last two groups are significantly at higher risk. Contacting patients at a higher weekly frequency increases the risk for infection. The use of goggles should be reinforced when contacting patients.
3.
BDSM: CORPOS E JOGOS DE PODER
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RESUMO Este trabalho tem por objetivo analisar como se configuram as relações de poder que regem corpos e condutas entre praticantes do BDSM erótico. Adota uma perspectiva foucaultiana, buscando ancorar a análise das práticas fetichistas sob o fulcro dos jogos e relações de poder. Metodologicamente, foram realizados observações, entrevistas e diário de campo. A análise do corpus de pesquisa baseou-se na análise enunciativa foucaultiana, evidenciando o rol de enunciados, práticas e regras de conduta que se articulam a uma densa trama de relações de poder entre os sujeitos praticantes. À guisa de conclusão, problematiza-se o grau de ruptura e reprodução da matriz sexual hegemônica vivenciado pelos praticantes. Além disso, destaca-se a importância para os Estudos Organizacionais de abarcar estudos sobre a multiplicidade das sexualidades dissidentes, em seu processo de luta e resistência.
ABSTRACT The aim of this study is to analyze how the power relations that govern bodies and conduct among erotic BDSM practitioners are configured. It adopts a Foucauldian perspective in that it seeks to link its analysis of fetishistic practices to Foucault’s theories of power relations. Methodologically, field observation and interviews were carried out and a field diary was kept. The analysis of the research corpus was based on Foucault’s enunciative analysis, and it shows a set of statements, practices and rules of conduct that connect to a dense web of power relations between practicing subjects. By way of conclusion, their degree of rupture with and reproduction of the hegemonic sexual matrix is discussed. Finally, we emphasize the importance of Organizational Studies taking on further research into the multiplicity of dissident sexualities, in their process of struggle and resistance.
RESUMEN Este trabajo tiene como objetivo analizar cómo se configuran las relaciones de poder que rigen los cuerpos y comportamientos entre los practicantes del BDSM erótico. Adopta una perspectiva foucaultiana, buscando anclar el análisis de las prácticas fetichistas bajo el fulcro de los juegos y las relaciones de poder. Metodológicamente, se realizaron observaciones, entrevistas y un diario de campo. El análisis del corpus de investigación se basó en el análisis enunciativo foucaultiano, mostrando un listado de enunciados, prácticas y reglas de conducta que se articulan en una densa red de relaciones de poder entre sujetos practicantes. A modo de conclusión, se discute el grado de ruptura y reproducción de la matriz sexual hegemónica que experimentan los practicantes. Además, destaca la importancia de que los Estudios Organizacionales abarquen estudios sobre la multiplicidad de sexualidades disidentes, en su proceso de lucha y resistencia.
4.
Brazilian Atlantic Forest and Pampa Biomes in the spotlight: an overview of Aspergillus, Penicillium, and Talaromyces (Eurotiales) species and the description of Penicillium nordestinense sp. nov.
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Barbosa, Renan do Nascimento
; Santos, José Ewerton Felinto dos
; Bezerra, Jadson Diogo Pereira
; Istel, Łukasz
; Houbraken, Jos
; Oliveira, Neiva Tinti
; Souza-Motta, Cristina Maria de
.
ABSTRACT The knowledge of the geographical distribution of fungi is essential to promote the understanding of global and national fungal diversity patterns. In this study, we provide a literature-based checklist of Aspergillus, Penicillium, and Talaromyces species recorded in the biomes of the Brazilian Atlantic Forest and the Brazilian Pampa. Only Penicillium digitatum was reported for the Pampa biome. For the Atlantic Forest, a total of 169 species (68 Aspergillus, 79 Penicillium, and 22 Talaromyces) are reported, of which 20 are typified with specimens from this biome, including the novel species Penicillium nordestinense (section Lanata-Divaricata) that is described in this study. Penicillium nordestinense is phylogenetically related to the invalidly described species Penicillium setosum, and this species is validated here. Soil was the most common substrate from where species were reported. Several reported species are well known in biotechnological processes. Penicilliopsis zonata and Sclerocleista ornata, species previously treated in Aspergillus, are recorded. This checklist reflects the limited knowledge of fungal species in tropical environments, such as the Brazilian Atlantic Forest and Pampa biomes. This information is a good framework for understanding the Brazilian diversity of Aspergillus, Penicillium, and Talaromyces and provides data for future fungal biogeographical studies in tropical environments.
5.
Brazilian tropical dry forest (Caatinga) in the spotlight: an overview of species of Aspergillus, Penicillium and Talaromyces (Eurotiales) and the description of P. vascosobrinhous sp. nov.
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Barbosa, Renan do Nascimento
; Bezerra, Jadson Diogo Pereira
; Santos, Ana Carla da Silva
; Melo, Roger Fagner Ribeiro
; Houbraken, Jos
; Oliveira, Neiva Tinti
; Souza-Motta, Cristina Maria de
.
ABSTRACT A literature-based checklist of species of Aspergillus, Penicillium, and Talaromyces recorded in the Brazilian tropical dry forest (Caatinga), the largest tropical dry forest region in South America, is provided. A total of 130 species (60 Aspergillus, 57 Penicillium, and 13 Talaromyces) are reported. Soil was the most common substrate, with 122 species records. Various reported species are well known in biotechnological processes. This checklist reflects the limited knowledge of fungal species in tropical dry environments. These data provide a good starting point for biogeographical studies on species of Aspergillus, Penicillium, and Talaromyces in dry environments worldwide. In addition, the new species Penicillium vascosobrinhous is introduced, an endophytic fungus isolated from cactus of the Caatinga forest in Brazil.
https://doi.org/10.1590/0102-33062019abb0411
1579 downloads
6.
Convents without Nuns: Historical Analysis of Women Workers in a Textile Factory
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Pereira, Rafael Diogo
; Nunes, Andressa Carolina do Nascimento
; Oliveira, Thaís Zimovski Garcia de
.
Abstract This paper aims to contribute to the historical unveiling of a certain set of dispositives and discourses that befell Brazilian textile factory working women who came to reside in the convents inaugurated in the last decades of the 19th century by a textile company located in the state of Minas Gerais, Brazil. By appropriating methodological contributions such as historical document analysis, we present a historically-situated analysis of the discourses and truth effects organized by the company that influenced the lives of these women, along with an articulation of gender issues and the dynamics of power relations. An analytical scheme following the writings of Michel Foucault is proposed, in order to discuss the statements and their truth effects in the factory worker’s lives, as well as to create an analytical lens through which the discussion of gender issues can take place. Our findings include the demonstration of how gender can be seen beyond a binary, sexist and biological vision, that is, close to a historical creation of power relations that still involves the female sexed body. Lastly, we also demonstrated how the gendered idea of a female factory worker is strongly built via discourse and performed routinely by the enforced compliance to gendered norms that constrain and constitute a female worker’s subjectivity.
https://doi.org/10.1590/1807-7692bar2019180061
918 downloads
7.
MORAL SUFFERING IN ASSISTANCE TO CHILDBIRTH: SITUATIONS PRESENT IN THE WORK OF NURSES OF OBSTETRIC CENTERS AND MATERNITIES
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Biondi, Heitor Silva
; Barlem, Edison Luiz Devos
; Pinho, Eliana Cardia de
; Tavares, Diogo Henrique
; Kerber, Nalú Pereira da Costa
; Tomaschewski-Barlem, Jamila Geri
.
RESUMO Objetivo: conhecer as situações presentes no trabalho de enfermeiros atuantes em maternidades e centros obstétricos que podem conduzir ao sofrimento moral. Método: estudo qualitativo, exploratório e descritivo, desenvolvido com 14 enfermeiros atuantes em centros obstétricos e maternidades de dois hospitais do sul do Brasil. Os dados foram coletados de outubro de 2015 a janeiro de 2016, por meio de entrevista semiestruturada, analisados com base na Análise de Conteúdo. Resultados: verificou-se ocorrência do sofrimento moral relacionado às atividades que suplantam as capacidades de execução pelos enfermeiros, levando-os a priorizar as atividades administrativas e gerenciais, das quais os mesmos são cobrados pelas instituições, deixando de participar diretamente da assistência, aspecto potencializado pelo quantitativo inadequado de profissionais de enfermagem. Relações assimétricas de poder e interações conflituosas compõem uma ambiência de tolhimento da autonomia do enfermeiro, impedindo-o de agir em consonância com seus saberes e valores morais. As infrutíferas tentativas de mudar o contexto desumanizador por meio da advocacia e a visualização de condutas desrespeitosas, intervencionistas e violentas contra as mulheres, geram sofrimento moral. Conclusão: a pluralidade de fazeres do enfermeiro, a reduzida autonomia, o desrespeito em relação à sua prática e a visualização de condutas desumanizadoras geram sofrimento moral. Destaca-se a importância de buscar alternativas para que os enfermeiros possam agir e advogar em consonância com seus saberes e valores morais, de modo autônomo e empoderado, visando propiciar uma assistência ao nascimento digna e segura, e uma ambiência que respeite a mulher e sua autonomia.
ABSTRACT Objective: to know the situations found in the work of nurses working in maternity hospitals and obstetric centers that can lead to moral suffering. Method: qualitative, exploratory and descriptive study, developed with 14 nurses working in bstetric centers and maternities of two hospitals in southern Brazil. Data were collected from October 2015 to January 2016, through a semi-structured interview, analyzed based on Content Analysis. Results: there was an occurrence of moral distress related to the activities that supplanted nurses’ execution capacity, leading them to prioritize administrative and managerial activities, for which they are charged by the institutions, failing to participate directly in the care, an aspect enhanced by the quantitative nursing professionals. Asymmetric relations of power and conflicting interactions compose an atmosphere of toleration for the autonomy of the nurses, preventing them from acting in harmony with their knowledge and moral values. The fruitless attempts to change the dehumanizing context through advocacy and the visualization of disrespectful, interventionist and violent behaviors against women, generate moral suffering. Conclusion: the plurality of nurse actions, reduced autonomy, disrespect for their practice and the visualization of dehumanizing behaviors generate moral suffering. It is important to seek alternatives so that nurses may act and advocate in line with their moral knowledge and values, in an autonomous and empowered way, aiming to provide a dignified and safe childbirth assistance, and an environment that respects the woman and her autonomy.
RESUMEN Objetivo: conocer las situaciones presentes en el trabajo de enfermeros que actúan en maternidades y centros obstétricos que pueden llevar al sufrimiento moral. Método: estudio cualitativo, exploratorio y descriptivo, desarrollado con 14 enfermeros que actúan en centros obstétricos y maternidades de dos hospitales del sur de Brasil. Se recolectaron los datos de octubre de 2015 a enero de 2016, por medio de entrevista semiestructurada, y se analizaron en base al Análisis de Contenido. Resultados: se pudo comprobar los hechos de sufrimiento moral relacionados a actividades que suplantan capacidades de ejecución de enfermeros, llevándolos a priorizar las actividades de gestión y gerencial que son cobradas por las instituciones, dejando de participar directamente del cuidado, aspecto que se potencia por lo cuantitativo inadecuado de profesionales de enfermería. Las relaciones asimétricas de poder y las interacciones conflictivas forman un ambiente de parálisis de la autonomía del enfermero, no permitiéndole actuar en consonancia con sus saberes y valores morales. Los infructíferos intentos de modificar el contexto deshumanizador a través de las leyes y la visualización de conductas no respetuosas, intervencionistas y violentas contra las mujeres generan sufrimiento moral. Conclusión: la pluralidad de haceres del enfermero, la reducida autonomía, el no respeto en relación a su práctica y la visualización de conductas deshumanizadoras generan sufrimiento moral. Se destaca la importancia de buscar alternativas para que los enfermeros puedan actuar y abogar en consonancia con sus saberes y valores morales, de modo autónomo y empoderado, con el objetivo de propiciar un cuidado en el nacimiento digno y seguro, y un ambiente en que se respete a la mujer y su autonomía.
https://doi.org/10.1590/1980-265x-tce-2018-0052
1541 downloads
8.
MORAL SUFFERING IN ASSISTANCE TO CHILDBIRTH: SITUATIONS PRESENT IN THE WORK OF NURSES OF OBSTETRIC CENTERS AND MATERNITIES
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Biondi, Heitor Silva
; Barlem, Edison Luiz Devos
; Pinho, Eliana Cardia de
; Tavares, Diogo Henrique
; Kerber, Nalú Pereira da Costa
; Tomaschewski-Barlem, Jamila Geri
.
ABSTRACT Objective: to know the situations found in the work of nurses working in maternity hospitals and obstetric centers that can lead to moral suffering. Method: qualitative, exploratory and descriptive study, developed with 14 nurses working in bstetric centers and maternities of two hospitals in southern Brazil. Data were collected from October 2015 to January 2016, through a semi-structured interview, analyzed based on Content Analysis. Results: there was an occurrence of moral distress related to the activities that supplanted nurses’ execution capacity, leading them to prioritize administrative and managerial activities, for which they are charged by the institutions, failing to participate directly in the care, an aspect enhanced by the quantitative nursing professionals. Asymmetric relations of power and conflicting interactions compose an atmosphere of toleration for the autonomy of the nurses, preventing them from acting in harmony with their knowledge and moral values. The fruitless attempts to change the dehumanizing context through advocacy and the visualization of disrespectful, interventionist and violent behaviors against women, generate moral suffering. Conclusion: the plurality of nurse actions, reduced autonomy, disrespect for their practice and the visualization of dehumanizing behaviors generate moral suffering. It is important to seek alternatives so that nurses may act and advocate in line with their moral knowledge and values, in an autonomous and empowered way, aiming to provide a dignified and safe childbirth assistance, and an environment that respects the woman and her autonomy.
RESUMEN Objetivo: conocer las situaciones presentes en el trabajo de enfermeros que actúan en maternidades y centros obstétricos que pueden llevar al sufrimiento moral. Método: estudio cualitativo, exploratorio y descriptivo, desarrollado con 14 enfermeros que actúan en centros obstétricos y maternidades de dos hospitales del sur de Brasil. Se recolectaron los datos de octubre de 2015 a enero de 2016, por medio de entrevista semiestructurada, y se analizaron en base al Análisis de Contenido. Resultados: se pudo comprobar los hechos de sufrimiento moral relacionados a actividades que suplantan capacidades de ejecución de enfermeros, llevándolos a priorizar las actividades de gestión y gerencial que son cobradas por las instituciones, dejando de participar directamente del cuidado, aspecto que se potencia por lo cuantitativo inadecuado de profesionales de enfermería. Las relaciones asimétricas de poder y las interacciones conflictivas forman un ambiente de parálisis de la autonomía del enfermero, no permitiéndole actuar en consonancia con sus saberes y valores morales. Los infructíferos intentos de modificar el contexto deshumanizador a través de las leyes y la visualización de conductas no respetuosas, intervencionistas y violentas contra las mujeres generan sufrimiento moral. Conclusión: la pluralidad de haceres del enfermero, la reducida autonomía, el no respeto en relación a su práctica y la visualización de conductas deshumanizadoras generan sufrimiento moral. Se destaca la importancia de buscar alternativas para que los enfermeros puedan actuar y abogar en consonancia con sus saberes y valores morales, de modo autónomo y empoderado, con el objetivo de propiciar un cuidado en el nacimiento digno y seguro, y un ambiente en que se respete a la mujer y su autonomía.
RESUMO Objetivo: conhecer as situações presentes no trabalho de enfermeiros atuantes em maternidades e centros obstétricos que podem conduzir ao sofrimento moral. Método: estudo qualitativo, exploratório e descritivo, desenvolvido com 14 enfermeiros atuantes em centros obstétricos e maternidades de dois hospitais do sul do Brasil. Os dados foram coletados de outubro de 2015 a janeiro de 2016, por meio de entrevista semiestruturada, analisados com base na Análise de Conteúdo. Resultados: verificou-se ocorrência do sofrimento moral relacionado às atividades que suplantam as capacidades de execução pelos enfermeiros, levando-os a priorizar as atividades administrativas e gerenciais, das quais os mesmos são cobrados pelas instituições, deixando de participar diretamente da assistência, aspecto potencializado pelo quantitativo inadequado de profissionais de enfermagem. Relações assimétricas de poder e interações conflituosas compõem uma ambiência de tolhimento da autonomia do enfermeiro, impedindo-o de agir em consonância com seus saberes e valores morais. As infrutíferas tentativas de mudar o contexto desumanizador por meio da advocacia e a visualização de condutas desrespeitosas, intervencionistas e violentas contra as mulheres, geram sofrimento moral. Conclusão: a pluralidade de fazeres do enfermeiro, a reduzida autonomia, o desrespeito em relação à sua prática e a visualização de condutas desumanizadoras geram sofrimento moral. Destaca-se a importância de buscar alternativas para que os enfermeiros possam agir e advogar em consonância com seus saberes e valores morais, de modo autônomo e empoderado, visando propiciar uma assistência ao nascimento digna e segura, e uma ambiência que respeite a mulher e sua autonomia.
https://doi.org/10.1590/1980-265x-tce-2018-0052
40 downloads
9.
Aspergillus andPenicillium (Eurotiales: Trichocomaceae) in soils of the Brazilian tropical dry forest: diversity in an area of environmental preservation
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do Nascimento Barbosa, Renan
; Pereira Bezerra, Jadson Diogo
; Oller Costa, Phelipe Manoel
; Lima-Júnior, Nelson Correia de
; Gomes Alves de Souza Galvão, Ivana Roberta
; Alves dos Santos-Júnior, Anthony
; Fernandes, Maria José
; de Souza-Motta, Cristina Maria
; Oliveira, Neiva Tinti
.
ResumenEl suelo es un sistema biológico complejo, que desempeña un papel fundamental en las plantas y los animales, especialmente en los bosques secos como la Caatinga. Los hongos del suelo, tales como Aspergillus y Penicillium, pueden ser utilizados como bioindicadores para la conservación de la biodiversidad. El objetivo de este estudio fue aislar e identificar las especies de Aspergillus y Penicillium del suelo, en los municipios de Ibimirim y Tupanatinga en el Parque Nacional Catimbau. Cinco colecciones se llevaron a cabo en cada área durante la estación seca de 2012, un total de 25 muestras de suelos por área. Los hongos fueron aislados mediante la suspensión en agua destilada estéril y se sembraron en medio de cultivo Agar Sabouraud más Cloranfenicol y Rosa de Bengala, y también en el medio Agar Dicloran Glicerol. Los aislamientos fueron identificados en el Laboratorio de Colección de Hongos y se confirmaron por secuenciación del espaciador transcrito interno de ADN. Un total de 42 especies fueron identificadas, 22 de ellas pertenecientes al género Aspergillus y 20 al género Penicillium. Los aislamientos de Penicillium mostraron una distribución uniforme en Tupanatinga con índices de uniformidad entre 0.92 y 0.88 en Ibimirim. Entre los aislamientos de Aspergillus el valor encontrado en Tupanatinga (0.85) fue muy similar al encontrado en Ibimirim (0.86). Se observó una gran diversidad y bajo predominio de hongos en las muestras de suelo. Estos resultados contribuyen a la estimación de la diversidad de hongos en ambientes secos, especialmente en la Caatinga, donde la diversidad es decreciente en los suelos que han sufrido alteraciones.
Abstract Soil is a complex biological system that plays a key role for plants and animals, especially in dry forests such as the Caatinga.Fungi from soils, such as Aspergillus and Penicillium, can be used as bioindicators for biodiversity conservation. The aim of this study was to isolate and identify species of Aspergillus and Penicillium in soil, from the municipalities of Tupanatinga and Ibimirim, with dry forests, in the Catimbau National Park. Five collections were performed in each area during the drought season of 2012, totaling 25 soil samples per area. Fungi were isolated by suspending soil samples in sterile distilled water and plating on Sabouraud Agar media plus Chloramphenicol and Rose Bengal, and Glycerol Dicloran Agar. Isolates were identified by morphological taxonomy in the Culture Collection Laboratory and confirmed by sequencing of the Internal Transcribed Spacer of rDNA. A total of 42 species were identified, of which 22 belong to the genus Aspergillus and 20 to Penicillium. Penicillium isolates showed uniform distribution from the collecting area in Tupanatinga, and the evenness indices found were 0.92 and 0.88 in Tupanatinga and Ibimirim, respectively. Among isolates of Aspergillus evenness, the value found in Tupanatinga (0.85) was very close to that found in Ibimirim (0.86). High diversity and low dominance of fungi in soil samples was observed. These results contributed to the estimation of fungal diversity in dry environments of the Caatinga, where diversity is decreasing in soils that have undergone disturbance. Rev. Biol. Trop. 64 (1): 45-53. Epub 2016 March 01.
https://doi.org/10.15517/rbt.v64i1.18223
1260 downloads
10.
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.
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; Nakajima, Jimi N.
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; Paula-Souza, Juliana
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; 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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11.
Identificação de bactérias no sêmen de ovinos em diferentes sistemas de criação e o efeito do uso de Kilol-L®
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Fernandes, Gabriela de Oliveira
; Leal, Diogo Ramos
; Moreira, Nathalia Hack
; Silva, Thiago Antonio de Souza Nascimento
; Ramos, Alexandre Floriani
; Neves, Jairo Pereira
.
O objetivo deste trabalho foi identificar e quantificar as bactérias do sêmen fresco de ovino, avaliar o uso do higienizante Kilol-L® antes da coleta do sêmen e testar a sensibilidade das cepas bacterianas frente ao antibiograma. Foram selecionados 24 ovinos machos, clinicamente sadios, com idade média de quatro anos, da raça Santa Inês, agrupados em dois sistemas de criação: a pasto (n=12) e confinamento (n=12). Dos 120 ejaculados coletados, 99 tiveram crescimento bacteriano correspondendo a 82,5% das amostras. Os gêneros bacterianos isolados com maior frequência foram Staphylococcus spp., Bacillus spp., Streptococcus spp., Corynebacterium spp., Listeria spp.e Escherichia coli. Dos antibióticos testados, a amicacina e a gentamicina foram 100% eficazes para Bacillus spp. e E. coli. O ceftiofur foi efetivo para todas as bactérias isoladas, exceto Rodococcus equi. Streptococcus spp. foram sensíveis à ampicilina e eritromicina, Staphylococcus spp. foram sensíveis à gentamicina. O uso Kilol-L® reduziu o número de unidades formadoras de colônias (UFC/mL) do ejaculado sem prejudicar a sua qualidade. Dos antibióticos testados, ceftiofur e gentamicina foram os mais efetivos frente às cepas bacterianas isoladas. Dessa forma, a utilização desses antibióticos no meio diluidor do sêmen ovino é uma alternativa para controlar o crescimento bacteriano.
The objective of this study was to identify and quantify bacteria from fresh ram semen, evaluate the use of sanitizer Kilol-L® prior to semen collection, and test the sensitivity of bacterial strains against antibiotics. We selected 24 Santa Inês rams clinically healthy, at 4 years of aged, and grouped them into two systems: on pasture (n=12) and confined (n=12). The microbiological results indicated that of the total of 120 ejaculates, 99 had bacterial growth, representing 82.5% of the samples. The most frequently isolated bacteria were Bacillus spp., Corynebacterium spp., Escherichia coli, Listeria spp., Staphylococcus spp., and Streptococcus spp. From the tested antibiotics, amicacin and gentamicin were 100% effective for Bacillus spp. and E. Coli. Ceftiofur was effective for all isolates except for Rodococcus equi. Streptococcus spp. were susceptible to ampicillin and erythromycin and Staphylococcus spp. were sensitive to gentamycin. The use of Kilol-L® reduced the number of Colony Forming Units (CFU/mL) from ejaculate without damaging semen quality. From the tested antibiotics, ceftiofur and gentamicin were more effective against the isolated bacterial strains; thus the use of these antibiotics in the ram semen extender is an alternative to control bacterial growth.
https://doi.org/10.5216/cab.v14i3.18613
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12.
Localização segura na colocação dos pinos percutâneos no calcâneo
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Labronici, Pedro José
; Pereira, Diogo do Nascimento
; Pilar, Pedro Henrique Vargas Moreira
; Franco, José Sergio
; Serra, Marcos Donato
; Cohen, José Carlos
; Bitar, Rogério Carneiro
.
OBJETIVO: Determinar as áreas de risco em seis zonas do calcanhar e quantificar os riscos de lesão das estruturas anatômicas (artéria, veia, nervo e tendão). MÉTODO: Foram utilizados 53 calcâneos de cadáveres divididos em três zonas e subdivididas em duas áreas, superior e inferior, por meio de uma linha longitudinal do calcâneo. O risco de lesão das estruturas anatômicas em relação a cada fio de Kirschner foi determinado pelo sistema de graduação segundo a classificação de Licht. A quantificação do risco total de lesão das estruturas anatômicas na colocação de mais de um fio foi calculada pela lei aditiva das probabilidades e pela lei do produto para eventos independentes. RESULTADOS: O cálculo dos riscos de lesão, segundo a classificação de Licht, demonstrou que o risco de lesão da artéria ou veia na zona IA é mais expressivo (43%) em relação às lesões de nervo e tendão (13 e 0%, respectivamente). CONCLUSÃO: O estudo permitiu identificar as estruturas anatômicas mais vulneráveis e quantificar o risco de lesão no calcanhar.
OBJECTIVE: To determine the areas presenting risk in six zones of the calcaneus, and to quantify the risks of injury to the anatomical structures (artery, vein, nerve and tendon). METHOD: Fifty-three calcaneus from cadavers were used, divided into three zones and each subdivided in two areas (upper and lower) by means of a longitudinal line through the calcaneus. The risk of injury to the anatomical structures in relation to each Kirschner wire was determined using a graded system according to the Licht classification. The total risk of injury to the anatomical structures through placement of more than one wire was quantified using the additive law of probabilities and the product law for independent events. RESULTS: The injury risk calculation according to the Licht classification showed that the highest risk of injury to the artery or vein was in zone IA (43%), in relation to injuries to nerves and tendons (13% and 0%, respectively). CONCLUSION: This study made it possible to identify the most vulnerable anatomical structures and quantify the risk of injury to the calcaneus.
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13.
Caracterização de proteínas do plasma seminal e sua relação com parâmetros de qualidade do sêmen criopreservado em ovinos
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Moura, Priscilla Pereira
; Franco, Maurício Machaim
; Silva, Thiago Antônio de Souza Nascimento
; Rocha, Thales Lima
; Leal, Diogo Ramos
; Passos, Pedro Ivo Braga
; Neves, Jairo Pereira
.
Os objetivos deste trabalho foram analisar o perfil proteico do plasma seminal ovino e identificar proteínas relacionadas com a congelabilidade do sêmen que possam ser utilizadas como marcadores para essa característica. Foram utilizados os ejaculados de cinco reprodutores, nos quais foram realizadas avaliações espermáticas e dos quais os plasmas seminais obtidos por centrifugação foram submetidos à eletroforese bidimensional em gel de poliacrilamida. Foram identificados 92 spots, considerando todos os animais analisados. A avaliação dos dados obtidos evidenciou variações significativas nos resultados das análises do sêmen dos animais e uma variabilidade no perfil proteico no plasma seminal dos carneiros. As proteínas 03 (7,9kDa; pI 6,35), 23 (13,6kDa; pI 5,01) e 31 (21,4kDa; pI 4,75) se destacaram, por apresentarem maior expressão e relações com as características espermáticas. Sugere-se que mais estudos sejam realizados para verificar se as proteínas 03, 23 e 31 podem ser utilizadas como marcadores da capacidade criopreservadora do sêmen.
The objective of this study was to analyze the protein profile of ram seminal plasma and to identify proteins associated with semen freezability, which could be used as marker for predicting this feature. Semen from five rams was used. The sperm analysis was held and the seminal plasma obtained by centrifugation was submitted to two-dimensional electrophoresis using acrylamide gel. Ninety two spots were identified considering the analyzed animals. The results showed a significant variation among sperm analysis of the animals and variability in the protein profile of the seminal plasma of the rams. The proteins 03 (7.9kDa; pI 6.35), 23 (13.6kDa; pI 5.01) e 31 (21.4kDa; pI 4.75) stood out because they showed higher expression and because of its relationship with the sperm characteristics. It is suggested more studies to verify if proteins 03, 23 and 31 could be used as markers of semen freezability.
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