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au:VASCONCELOS, ANA TEREZA DE

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Síndrome congênita do zika e impactos para as famílias: uma revisão integrativa
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Melo, Ana Paula Lopes de

; Lyra, Tereza Maciel

; Barbosa, Jessyka Mary Vasconcelos

; Araújo, Thália Velho Barreto de

Ciência & Saúde Coletiva

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may 2023, Volume 28 N. 5 Pages 1425 - 1441

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

Abstract In 2015, a range of congenital anomalies resulting from mother-to-child transmission of the zika virus emerged. Later called congenital zika syndrome (CZS), the condition includes microcephaly. Since then, around 4,000 children have been affected in 27 countries, with Brazil accounting for the largest proportion of cases. Family caregivers have also been affected. This study analyzes the literature on caregivers of children with CZS and how the disease has affected their everyday lives. We conducted an integrative review using the PubMed, Virtual Health Library, and Embase databases. Thirty-one articles were identified for analysis after screening. The findings were grouped into four categories: a) social impacts - changes in family relationships, life projects, and social life; b) subjective impacts - feelings of resilience, loneliness, grief, overburdening, fear, uncertainty, and spirituality and religion; c) economic and material impacts - loss of income, increased household expenses, change of residence, and unemployment; and d) health impacts - service unpreparedness, selflessness, self-care, changes in nutritional and sleep patterns, and mental health problems, including stress, anxiety and depression.

Resumo Em 2015, um espectro de anomalias congênitas, incluindo microcefalia, acometeu recém-nascidos como resultado da transmissão vertical pelo vírus zika, posteriormente denominada síndrome congênita do zika (SCZ). Desde então, cerca de 4 mil crianças foram afetadas em 27 países, sendo o Brasil o mais atingido. Cuidadores familiares também têm sido impactados. Esse estudo analisa publicações científicas que investigam as maneiras como a doença afetou as dinâmicas de vida de cuidadores familiares de crianças com SCZ. Realizou-se uma revisão integrativa de literatura consultando as bases de dados PubMed, Biblioteca Virtual em Saúde e Embase. Após as etapas de triagem, foram identificados 31 artigos. Os principais resultados foram agrupados em quatro categorias: a) impactos sociais que evidenciaram mudanças nas relações familiares, nos projetos de vida e no convívio social; b) impactos subjetivos - sentimentos de resiliência, solidão, luto, sobrecarga, medo, incerteza e relação com a espiritualidade; c) impactos econômicos e materiais - perda de renda, aumento de despesas, mudança de moradia e desemprego e d) impactos na saúde - despreparo dos serviços, renúncia do cuidado de si, modificações dos padrões nutricionais e de sono, repercussão para a saúde mental e níveis de estresse, ansiedade e depressão.

https://doi.org/10.1590/1413-81232023285.14852022

Síndrome congênita do zika e impactos para as famílias: uma revisão integrativa
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Melo, Ana Paula Lopes de

; Lyra, Tereza Maciel

; Barbosa, Jessyka Mary Vasconcelos

; Araújo, Thália Velho Barreto de

Ciência & Saúde Coletiva

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may 2023, Volume 28 N. 5 Pages 1425 - 1441

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

https://doi.org/10.1590/1413-81232023285.14852022

The past, present and future of genomics and bioinformatics: A survey of Brazilian scientists
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Rocha, Mariana

; Massarani, Luisa

; Souza, Sandro José de

; Vasconcelos, Ana Tereza R. de

Genetics and Molecular Biology

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2022, Volume 45 N. 2 elocation e20210354

Abstract: En | Text: En | PDF: En

Abstract Brazil has one of the highest rates of scientific production, occupying the ninth position among countries with genome-sequencing projects. Considering the rapid development of this research area and the diversity of professionals involved, the present study aims to understand the expectations, past experiences and the current scenario of Brazilian research in bioinformatics and genomics. The present research was carried out by analyzing the perceptions of 576 researchers in genomics and bioinformatics in Brazil through content and sentiment analysis techniques. This group of participants is equivalent to 48% of the members of the research community. The results suggest that most researchers have a positive perception of the potential of this research area. However, there is concern about the lack of funding for investing in equipment and professional training. As part of a wish list for the future, researchers highlighted the need for higher funding, formal education, and collaboration among research networks. When asked about genomics and bioinformatics in other countries, the participants recognize that sequencing technologies and infrastructure are more accessible, allowing better data volume expansion.

https://doi.org/10.1590/1678-4685-gmb-2021-0354

Analysis of a novel class A β-lactamase OKP-B-6 of Klebsiella quasipneumoniae: structural characterisation and interaction with commercially available drugs
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Bellini, Reinaldo

; Guedes, Isabella Alvim

; Ciapina, Luciane Prioli

; de Vasconcelos, Ana Tereza Ribeiro

; Dardenne, Laurent Emmanuel

; Nicolás, Marisa Fabiana

Memórias do Instituto Oswaldo Cruz

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2022, Volume 117 elocation e220102

Abstract: En | Text: En | PDF: En

BACKGROUND Gram-negative and Gram-positive bacteria produce beta-lactamase as factors to overcome beta-lactam antibiotics, causing their hydrolysis and impaired antimicrobial action. Class A beta-lactamase contains the chromosomal sulfhydryl reagent variable (SHV, point mutation variants of SHV-1), LEN (Klebsiella pneumoniae strain LEN-1), and other K. pneumoniae beta-lactamase (OKP) found mostly in Klebsiella’s phylogroups. The SHV known as extended-spectrum β-lactamase can inactivate most beta-lactam antibiotics. Class A also includes the worrisome plasmid-encoded Klebsiella pneumoniae carbapenemase (KPC-2), a carbapenemase that can inactivate most beta-lactam antibiotics, carbapenems, and some beta-lactamase inhibitors. OBJECTIVES So far, there is no 3D crystal structure for OKP-B, so our goal was to perform structural characterisation and molecular docking studies of this new enzyme. METHODS We applied a homology modelling method to build the OKP-B-6 structure, which was compared with SHV-1 and KPC-2 according to their electrostatic potentials at the active site. Using the DockThor-VS, we performed molecular docking of the SHV-1 inhibitors commercially available as sulbactam, tazobactam, and avibactam against the constructed model of OKP-B-6. FINDINGS From the point of view of enzyme inhibition, our results indicate that OKP-B-6 should be an extended-spectrum beta-lactamase (ESBL) susceptible to the same drugs as SHV-1. MAIN CONCLUSIONS This conclusion advantageously impacts the clinical control of the bacterial pathogens encoding OKP-B in their genome by using any effective, broad-spectrum, and multitarget inhibitor against SHV-containing bacteria.

https://doi.org/10.1590/0074-02760220102

Identification and characterisation of SARS-CoV-2 and Human alphaherpesvirus 1 from a productive coinfection in a fatal COVID-19 case
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Herlinger, Alice Laschuk

; Monteiro, Fábio Luís Lima

; D’arc, Mirela

; Moreira, Filipe Romero Rebello

; Westgarth, Harrison James

; Galliez, Rafael Mello

; Mariani, Diana

; da Costa, Luciana Jesus

; de Almeida, Luiz Gonzaga Paula

; Voloch, Carolina Moreira

; Melo, Adriana Suely de Oliveira

; Aguiar, Renato Santana de

; dos Santos, André Felipe Andrade

; Castiñeiras, Terezinha Marta Pereira Pinto

; de Vasconcelos, Ana Tereza Ribeiro

; João Filho, Esaú Custódio

; Escosteguy, Claudia Caminha

; Ferreira Junior, Orlando da Costa

; Tanuri, Amilcar

; Higa, Luiza Mendonça

Memórias do Instituto Oswaldo Cruz

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2021, Volume 116 elocation e210176

Abstract: En | Text: En | PDF: En

BACKGROUND During routine Coronavirus disease 2019 (COVID-19) diagnosis, an unusually high viral load was detected by reverse transcription real-time polymerase chain reaction (RT-qPCR) in a nasopharyngeal swab sample collected from a patient with respiratory and neurological symptoms who rapidly succumbed to the disease. Therefore we sought to characterise the infection. OBJECTIVES We aimed to determine and characterise the etiological agent responsible for the poor outcome. METHODS Classical virological methods, such as plaque assay and plaque reduction neutralisation test combined with amplicon-based sequencing, as well as a viral metagenomic approach, were performed to characterise the etiological agents of the infection. FINDINGS Plaque assay revealed two distinct plaque phenotypes, suggesting either the presence of two severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) strains or a productive coinfection of two different species of virus. Amplicon-based sequencing did not support the presence of any SARS-CoV-2 genetic variants that would explain the high viral load and suggested the presence of a single SARS-CoV-2 strain. Nonetheless, the viral metagenomic analysis revealed that Coronaviridae and Herpesviridae were the predominant virus families within the sample. This finding was confirmed by a plaque reduction neutralisation test and PCR. MAIN CONCLUSIONS We characterised a productive coinfection of SARS-CoV-2 and Herpes simplex virus 1 (HSV-1) in a patient with severe symptoms that succumbed to the disease. Although we cannot establish the causal relationship between the coinfection and the severity of the clinical case, this work serves as a warning for future studies focused on the interplay between SARS-CoV-2 and HSV-1 coinfection and COVID-19 severity.

https://doi.org/10.1590/0074-02760210176

Transcriptomic analysis reveals that mTOR pathway can be modulated in macrophage cells by the presence of cryptococcal cells
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Piffer, Alícia C.

; Santos, Francine M. dos

; Thomé, Marcos P.

; Diehl, Camila

; Garcia, Ane Wichine Acosta

; Kinskovski, Uriel Perin

; Schneider, Rafael de Oliveira

; Gerber, Alexandra

; Feltes, Bruno César

; Schrank, Augusto

; Vasconcelos, Ana Tereza R.

; Lenz, Guido

; Kmetzsch, Lívia

; Vainstein, Marilene H.

; Staats, Charley C.

Genetics and Molecular Biology

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2021, Volume 44 N. 3 elocation e20200390

Abstract: En | Text: En | PDF: En

Abstract Cryptococcus neoformans and Cryptococcus gattii are the etiological agents of cryptococcosis, a high mortality disease. The development of such disease depends on the interaction of fungal cells with macrophages, in which they can reside and replicate. In order to dissect the molecular mechanisms by which cryptococcal cells modulate the activity of macrophages, a genome-scale comparative analysis of transcriptional changes in macrophages exposed to Cryptococcus spp. was conducted. Altered expression of nearly 40 genes was detected in macrophages exposed to cryptococcal cells. The major processes were associated with the mTOR pathway, whose associated genes exhibited decreased expression in macrophages incubated with cryptococcal cells. Phosphorylation of p70S6K and GSK-3β was also decreased in macrophages incubated with fungal cells. In this way, Cryptococci presence could drive the modulation of mTOR pathway in macrophages possibly to increase the survival of the pathogen.

https://doi.org/10.1590/1678-4685-gmb-2020-0390 4 downloads

A re-annotation of the Anopheles darlingi mobilome
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Diesel, Jose Francisco

; Ortiz, Mauro F.

; Marinotti, Osvaldo

; Vasconcelos, Ana Tereza R.

; Loreto, Elgion L. S.

Genetics and Molecular Biology

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mar 2019, Volume 42 N. 1 Pages 125 - 131

Abstract: En | Text: En | PDF: En

Abstract The mobilome, portion of the genome composed of transposable elements (TEs), of Anopheles darlingi was described together with the genome of this species. Here, this mobilome was revised using similarity and de novo search approaches. A total of 5.6% of the A. darlingi genome is derived of TEs. Class I gypsy and copia were the most abundant superfamilies, corresponding to 22.36% of the mobilome. Non-LTR elements of the R1 and Jockey superfamilies account for 11% of the TEs. Among Class II TEs, the mariner superfamily is the most abundant (16.01%). Approximately 87% of the A. darlingi mobilome consist of short, truncated and/or degenerated copies of TEs. Only three retrotransposons, two belonging to gypsy and one to copia superfamilies, are putatively active elements. Only one Class II element, belonging to the mariner superfamily, is putatively active, having 12 copies in the genome. The TE landscape of A. darlingi is formed primarily by degenerated elements and, therefore, somewhat stable. Future applications of TE-based vectors for genetic transformation of A. darlingi should take into consideration mariner and piggyBac transposons, because full length and putatively active copies of these elements are present in its genome.

https://doi.org/10.1590/1678-4685-gmb-2017-0300 695 downloads

First isolation of West Nile virus in Brazil
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Martins, Lívia Caricio

; Silva, Eliana Vieira Pinto da

; Casseb, Livia Medeiros Neves

; Silva, Sandro Patroca da

; Cruz, Ana Cecília Ribeiro

; Pantoja, Jamilla Augusta de Sousa

; Medeiros, Daniele Barbosa de Almeida

; Martins Filho, Arnaldo Jorge

; Cruz, Ermelinda do Rosário Moutinho da

; Araújo, Marialva Tereza Ferreira de

; Cardoso, Jedson Ferreira

; Cunha, Marcos Antônio Correia Rodrigues da

; Almada, Gilton Luiz

; Romano, Alessandro Pecego Martins

; Santos, Maria Guadalupe Dias Pestana

; Rodrigues, Gilsa Aparecida Pimenta

; Chiang, Jannifer Oliveira

; Quaresma, Juarez Antonio Simões

; Carvalho, Valéria Lima

; Vasconcelos, Pedro Fernando da Costa

Memórias do Instituto Oswaldo Cruz

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2019, Volume 114 elocation e180332

Abstract: En | Text: En | PDF: En

BACKGROUND Serological evidence of West Nile virus (WNV) infection has been reported in different regions of Brazil from equine and human hosts but the virus had never been isolated in the country. OBJECTIVES We sought to identify the viral etiology of equine encephalitis in Espírito Santo state. METHODS We performed viral culture in C6/36 cells, molecular detection of WNV genome, histopathology and immunohistochemistry from horse cerebral tissue. We also carried out sequencing, phylogenetic analysis and molecular clock. FINDINGS Histopathologic analysis from horse cerebral tissue showed injury related to encephalitis and WNV infection was confirmed by immunohistochemistry. The virus was detected by reverse transcription quantitative polymerase chain reaction (RT-qPCR) from brain tissue and subsequently isolated in C6/36 cells. WNV full-length genome was sequenced showing the isolated strain belongs to lineage 1a. The molecular clock indicated that Brazilian WNV strain share the same common ancestor that were circulating in US during 2002-2005. MAIN CONCLUSIONS Here we report the first isolation of WNV in Brazil from a horse with neurologic disease, which was clustered into lineage 1a with others US WNV strains isolated in beginning of 2000’s decade.

https://doi.org/10.1590/0074-02760180332 3810 downloads

Outstanding impact of soil tillage on the abundance of soil hydrolases revealed by a metagenomic approach
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Souza, Renata Carolini

; Cantão, Maurício Egídio

; Nogueira, Marco Antonio

; Vasconcelos, Ana Tereza Ribeiro

; Hungria, Mariangela

Brazilian Journal of Microbiology

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dec 2018, Volume 49 N. 4 Pages 723 - 730

Abstract: En | Text: En | PDF: En

ABSTRACT The soil represents the main source of novel biocatalysts and biomolecules of industrial relevance. We searched for hydrolases in silico in four shotgun metagenomes (4,079,223 sequences) obtained in a 13-year field trial carried out in southern Brazil, under the no-tillage (NT), or conventional tillage (CT) managements, with crop succession (CS, soybean/wheat), or crop rotation (CR, soybean/maize/wheat/lupine/oat). We identified 42,631 hydrolases belonging to five classes by comparing with the KEGG database, and 44,928 sequences by comparing with the NCBI-NR database. The abundance followed the order: lipases > laccases > cellulases > proteases > amylases > pectinases. Statistically significant differences were attributed to the tillage system, with the NT showing about five times more hydrolases than the CT system. The outstanding differences can be attributed to the management of crop residues, left on the soil surface in the NT, and mechanically broken and incorporated into the soil in the CT. Differences between the CS and the CR were slighter, 10% higher for the CS, but not statistically different. Most of the sequences belonged to fungi (Verticillium, and Colletotrichum for lipases and laccases, and Aspergillus for proteases), and to the archaea Sulfolobus acidocaldarius for amylases. Our results indicate that agricultural soils under conservative managements may represent a hotspot for bioprospection of hydrolases.

https://doi.org/10.1016/j.bjm.2018.03.001 992 downloads

10.

Comparative mitogenomic analyses of Amazona parrots and Psittaciformes
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Lima, Nicholas Costa Barroso

; Soares, André Elias Rodrigues

; Almeida, Luiz Gonzaga de Paula

; Costa, Igor Rodrigues da

; Sato, Fernanda Midori

; Schneider, Patricia

; Aleixo, Alexandre

; Schneider, Maria Paula

; Santos, Fabrício R.

; Mello, Claudio V.

; Miyaki, Cristina

; Vasconcelos, Ana Tereza R.

; Prosdocimi, Francisco

Genetics and Molecular Biology

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sep 2018, Volume 41 N. 3 Pages 593 - 604

Abstract: En | Text: En | PDF: En

Abstract Amazon parrots are long-lived birds with highly developed cognitive skills, including vocal learning. Several parrot mitogenomes have been sequenced, but important aspects of their organization and evolution are not fully understood or have limited experimental support. The main aim of the present study was to describe the mitogenome of the blue-fronted Amazon, Amazona aestiva, and compare it to other mitogenomes from the genus Amazona and the order Psittaciformes. We observed that mitogenomes are highly conserved among Amazon parrots, and a detailed analysis of their duplicated control regions revealed conserved blocks. Population level analyses indicated that the specimen analyzed here seems to be close to A. aestiva individuals from Bahia state. Evolutionary relationships of 41 Psittaciformes species and three outgroups were inferred by BEAST. All relationships were retrieved with high support.

https://doi.org/10.1590/1678-4685-gmb-2017-0023 1973 downloads

11.

Comparative metagenome of a stream impacted by the urbanization phenomenon
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Medeiros, Julliane Dutra

; Cantão, Maurício Egídio

; Cesar, Dionéia Evangelista

; Nicolás, Marisa Fabiana

; Diniz, Cláudio Galuppo

; Silva, Vânia Lúcia

; Vasconcelos, Ana Tereza Ribeiro de

; Coelho, Cíntia Marques

Brazilian Journal of Microbiology

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dec 2016, Volume 47 N. 4 Pages 835 - 845

Abstract: En | Text: En | PDF: En

Abstract Rivers and streams are important reservoirs of freshwater for human consumption. These ecosystems are threatened by increasing urbanization, because raw sewage discharged into them alters their nutrient content and may affect the composition of their microbial community. In the present study, we investigate the taxonomic and functional profile of the microbial community in an urban lotic environment. Samples of running water were collected at two points in the São Pedro stream: an upstream preserved and non-urbanized area, and a polluted urbanized area with discharged sewage. The metagenomic DNA was sequenced by pyrosequencing. Differences were observed in the community composition at the two sites. The non-urbanized area was overrepresented by genera of ubiquitous microbes that act in the maintenance of environments. In contrast, the urbanized metagenome was rich in genera pathogenic to humans. The functional profile indicated that the microbes act on the metabolism of methane, nitrogen and sulfur, especially in the urbanized area. It was also found that virulence/defense (antibiotic resistance and metal resistance) and stress response-related genes were disseminated in the urbanized environment. The structure of the microbial community was altered by uncontrolled anthropic interference, highlighting the selective pressure imposed by high loads of urban sewage discharged into freshwater environments.

https://doi.org/10.1016/j.bjm.2016.06.011 2106 downloads

12.

There is no evident correlation between interleukin-10 gene polymorphisms and periportal fibrosis regression after specific treatment
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Silva, Paula Carolina Valença

; Silva, Aline Vieira da

; Silva, Taysa Nascimento

; Vasconcelos, Letícia Moura de

; Gomes, Adriana Vieira

; Coêlho, Maria Rosângela Cunha Duarte

; Muniz, Maria Tereza Cartaxo

; Domingues, Ana Lúcia Coutinho

Revista da Sociedade Brasileira de Medicina Tropical

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dec 2016, Volume 49 N. 6 Pages 781 - 785

Abstract: En | Text: En | PDF: En

Abstract INTRODUCTION: We evaluated the associations between interleukin-10 (IL-10) gene polymorphisms -G1082A/-C819T/-C592A and periportal fibrosis regression after specific treatment for schistosomiasis. METHODS: This retrospective cohort study involved 125 Brazilian patients infected with Schistosomiasis mansoni, who were followed up for 2 years after specific treatment to estimate the probability of periportal fibrosis regression. RESULTS: There was no evidence of associations between IL-10 polymorphisms and periportal fibrosis regression after treatment. CONCLUSIONS: There was no evidence of associations between gene promoter polymorphisms of IL-10 and the regression of periportal fibrosis in this Brazilian population.

https://doi.org/10.1590/0037-8682-0141-2016 1017 downloads

13.

Darcy Fontoura de Almeida (1930-2014)
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Vasconcelos, Ana Tereza Ribeiro de

; Costa, Sergio Olavo Pinto da

; Goldenberg, Samuel

; Ferreira, Luís Carlos de Souza

Genetics and Molecular Biology

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jun 2014, Volume 37 N. 2 Pages 3 - 3

Abstract: En | Text: En | PDF: En

1272 downloads

14.

I Diretriz brasileira de cardio-oncologia pediátrica da Sociedade Brasileira de Cardiologia
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Seber, Adriana

; Miachon, Adriana Siviero

; Tanaka, Ana Cristina Sayuri

; Castro, Ângela Maria Spínola e

; Carvalho, Antônio Carlos

; Petrilli, Antônio Sergio

; Macedo, Carla Renata Donato Pacheco

; Nars, Clarissa Carvalho Fongaro

; Terzian, Claudia Naufel

; Castro Junior, Claudio Galvão de

; Santos, Cleusa Cavalcanti Lapa

; Guerra, Cristina Chaves dos Santos

; Silva, Dafne Cardoso Bourguignon da

; Bassi, Débora Ugayama

; Azeka, Estela

; Feitosa, Fabiana Aragão

; Hamamoto, Fernando

; Szarf, Gilberto

; Lederman, Henrique Manoel

; Rigon Junior, Humberto João

; Jatene, Ieda Biscegli

; Mota, Isabele Coelho Fonseca da

; Perrud, Jeferson Adriano

; Soares Junior, José

; Gutierrez, Julián Arango

; Perin, Juliana Pepe Marinho

; Soares, Juliana dos Santos

; Catani, Liane Hulle

; Tsai, Liliana Yu

; Vianna, Livia Cristina

; Paiva, Marcelo Goulart

; Santos, Marcelo José

; Ishigai, Marcia Marcelino de Souza

; Diógenes, Maria Suely Bezerra

; Alves, Maria Teresa de Seixas

; Piedade, Maria Tereza Castro

; Parreiras, Mariana

; Cypriano, Mônica

; Negrini, Nilce da Silva

; Campos Filho, Orlando

; Figueiredo, Paula Andrade

; Novaes, Paulo Eduardo

; Camargo, Paulo Roberto

; Maia, Priscila dos Santos

; Petrilli, Renata

; Arduini, Rodrigo Genaro

; Gouveia, Roseane Vasconcelos

; Teruya, Suzana Barbosa Miranda

; Moisés, Valdir Ambrosio

; Morais, Vera Lúcia Lins de

Arquivos Brasileiros de Cardiologia

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may 2013, Volume 100 N. 5 Pages 1 - 68

Abstract: Pt | Text: Pt | PDF: Pt

https://doi.org/10.5935/abc.2013S005 17336 downloads

15.

An MLSA-based online scheme for the rapid identification of Stenotrophomonas isolates
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Ramos, Patrícia Locosque

; Moreira-Filho, Carlos Alberto

; Van Trappen, Stefanie

; Swings, Jean

; Vos, Paul De

; Barbosa, Heloiza Ramos

; Thompson, Cristiane Carneiro

; Vasconcelos, Ana Tereza Ribeiro

; Thompson, Fabiano Lopes

Memórias do Instituto Oswaldo Cruz

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jun 2011, Volume 106 N. 4 Pages 394 - 399

Abstract: En | Text: En | PDF: En

An online scheme to assign Stenotrophomonas isolates to genomic groups was developed using the multilocus sequence analysis (MLSA), which is based on the DNA sequencing of selected fragments of the housekeeping genes ATP synthase alpha subunit (atpA), the recombination repair protein (recA), the RNA polymerase alpha subunit (rpoA) and the excision repair beta subunit (uvrB). This MLSA-based scheme was validated using eight of the 10 Stenotrophomonas species that have been previously described. The environmental and nosocomial Stenotrophomonas strains were characterised using MLSA, 16S rRNA sequencing and DNA-DNA hybridisation (DDH) analyses. Strains of the same species were found to have greater than 95% concatenated sequence similarity and specific strains formed cohesive readily recognisable phylogenetic groups. Therefore, MLSA appeared to be an effective alternative methodology to amplified fragment length polymorphism fingerprint and DDH techniques. Strains of Stenotrophomonas can be readily assigned through the open database resource that was developed in the current study (www.steno.lncc.br/).

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