The vacuolar-sorting protein Snf7 is required for export of virulence determinants in members of the Cryptococcus neoformans complex

Detalhes bibliográficos
Autor(a) principal: Godinho, Rodrigo Maciel da Costa
Data de Publicação: 2014
Outros Autores: Crestani, Juliana, Kmetzsch, Lívia, Araujo, Glauber de S., Frases, Susana, Staats, Charley C., Schrank, Augusto, Vainstein, Marilene Henning, Rodrigues, Marcio Lourenço
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da FIOCRUZ (ARCA)
Texto Completo: https://www.arca.fiocruz.br/handle/icict/31990
Resumo: Universidade Federal do Rio de Janeiro. Instituto de Microbiologia Professor Paulo de Góes. Rio de Janeiro, RJ, Brasil.
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spelling Godinho, Rodrigo Maciel da CostaCrestani, JulianaKmetzsch, LíviaAraujo, Glauber de S.Frases, SusanaStaats, Charley C.Schrank, AugustoVainstein, Marilene HenningRodrigues, Marcio Lourenço2019-03-07T19:09:52Z2019-03-07T19:09:52Z2014GODINHO, R. M. et al. The vacuolar-sorting protein Snf7 is required for export of virulence determinants in members of the Cryptococcus neoformans complex. Scientific Reports, v. 4, p. 1-11, 2014.2045-2322https://www.arca.fiocruz.br/handle/icict/3199010.1038/srep06198engNatureThe vacuolar-sorting protein Snf7 is required for export of virulence determinants in members of the Cryptococcus neoformans complexinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleUniversidade Federal do Rio de Janeiro. Instituto de Microbiologia Professor Paulo de Góes. Rio de Janeiro, RJ, Brasil.Universidade Federal do Rio Grande do Sul. Centro de Biotecnologia. Porto Alegre, RS, Brasil.Universidade Federal do Rio Grande do Sul. Centro de Biotecnologia. Porto Alegre, RS, Brasil.Universidade Federal do Rio de Janeiro. Instituto de Biofisica Carlos Chagas Filho. Laboratório de Ultraestrutura Celular Hertha Meyer. Rio de Janeiro, RJ, Brasil / Instituto Nacional de Metrologia, Normalização e Qualidade Industrial. Laboratório de Biologia. Rio de Janeiro, RJ, Brasil.Universidade Federal do Rio de Janeiro. Instituto de Biofisica Carlos Chagas Filho. Laboratório de Ultraestrutura Celular Hertha Meyer. Rio de Janeiro, RJ, Brasil / Instituto Nacional de Metrologia, Normalização e Qualidade Industrial. Laboratório de Biologia. Rio de Janeiro, RJ, Brasil.Universidade Federal do Rio Grande do Sul. Centro de Biotecnologia. Porto Alegre, RS, Brasil.Universidade Federal do Rio Grande do Sul. Centro de Biotecnologia. Porto Alegre, RS, Brasil / Universidade Federal do Rio Grande do Sul. Departamento de Biologia Molecular e Biotecnologia. Porto Alegre, RS, Brasil.Universidade Federal do Rio Grande do Sul. Centro de Biotecnologia. Porto Alegre, RS, Brasil / Universidade Federal do Rio Grande do Sul. Departamento de Biologia Molecular e Biotecnologia. Porto Alegre, RS, BrasilFundação Oswaldo Cruz. Centro de Desenvolvimento Tecnológico em Saúde. Rio de Janeiro, RJ, Brasil / Universidade Federal do Rio de Janeiro. Instituto de Microbiologia Professor Paulo de Góes. Rio de Janeiro, RJ, Brasil.Fungal pathogenesis requires a number of extracellularly released virulence factors. Recent studies demonstrating that most fungal extracellular molecules lack secretory tags suggest that unconventional secretion mechanisms and fungal virulence are strictly connected. Proteins of the endosomal sorting complex required for transport (ESCRT) have been recently associated with polysaccharide export in the yeast-like human pathogen Cryptococcus neoformans. Snf7 is a key ESCRT operator required for unconventional secretion in Eukaryotes. In this study we generated snf7Δ mutant strains of C. neoformans and its sibling species C. gattii. Lack of Snf7 resulted in important alterations in polysaccharide secretion, capsular formation and pigmentation. This phenotype culminated with loss of virulence in an intranasal model of murine infection in both species. Our data support the notion that Snf7 expression regulates virulence in C. neoformans and C. gattii by ablating polysaccharide and melanin traffic. These results are in agreement with the observation that unconventional secretion is essential for cryptococcal pathogenesis and strongly suggest the occurrence of still obscure mechanisms of exportation of non-protein molecules in Eukaryotes.Vacuolar-sorting protein Snf7Virulence determinantsCryptococcus neoformans complexinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-83101https://www.arca.fiocruz.br/bitstream/icict/31990/1/license.txt425ef259bcb460998407fbfed7c102d0MD51ORIGINALve_Marcio_Rodrigues_etal_CDTS_2014b.pdfve_Marcio_Rodrigues_etal_CDTS_2014b.pdfapplication/pdf1516608https://www.arca.fiocruz.br/bitstream/icict/31990/2/ve_Marcio_Rodrigues_etal_CDTS_2014b.pdf73e7476e70644ff13558d511695598caMD52TEXTve_Marcio_Rodrigues_etal_CDTS_2014b.pdf.txtve_Marcio_Rodrigues_etal_CDTS_2014b.pdf.txtExtracted 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dc.title.pt_BR.fl_str_mv The vacuolar-sorting protein Snf7 is required for export of virulence determinants in members of the Cryptococcus neoformans complex
title The vacuolar-sorting protein Snf7 is required for export of virulence determinants in members of the Cryptococcus neoformans complex
spellingShingle The vacuolar-sorting protein Snf7 is required for export of virulence determinants in members of the Cryptococcus neoformans complex
Godinho, Rodrigo Maciel da Costa
Vacuolar-sorting protein Snf7
Virulence determinants
Cryptococcus neoformans complex
title_short The vacuolar-sorting protein Snf7 is required for export of virulence determinants in members of the Cryptococcus neoformans complex
title_full The vacuolar-sorting protein Snf7 is required for export of virulence determinants in members of the Cryptococcus neoformans complex
title_fullStr The vacuolar-sorting protein Snf7 is required for export of virulence determinants in members of the Cryptococcus neoformans complex
title_full_unstemmed The vacuolar-sorting protein Snf7 is required for export of virulence determinants in members of the Cryptococcus neoformans complex
title_sort The vacuolar-sorting protein Snf7 is required for export of virulence determinants in members of the Cryptococcus neoformans complex
author Godinho, Rodrigo Maciel da Costa
author_facet Godinho, Rodrigo Maciel da Costa
Crestani, Juliana
Kmetzsch, Lívia
Araujo, Glauber de S.
Frases, Susana
Staats, Charley C.
Schrank, Augusto
Vainstein, Marilene Henning
Rodrigues, Marcio Lourenço
author_role author
author2 Crestani, Juliana
Kmetzsch, Lívia
Araujo, Glauber de S.
Frases, Susana
Staats, Charley C.
Schrank, Augusto
Vainstein, Marilene Henning
Rodrigues, Marcio Lourenço
author2_role author
author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Godinho, Rodrigo Maciel da Costa
Crestani, Juliana
Kmetzsch, Lívia
Araujo, Glauber de S.
Frases, Susana
Staats, Charley C.
Schrank, Augusto
Vainstein, Marilene Henning
Rodrigues, Marcio Lourenço
dc.subject.en.pt_BR.fl_str_mv Vacuolar-sorting protein Snf7
Virulence determinants
Cryptococcus neoformans complex
topic Vacuolar-sorting protein Snf7
Virulence determinants
Cryptococcus neoformans complex
description Universidade Federal do Rio de Janeiro. Instituto de Microbiologia Professor Paulo de Góes. Rio de Janeiro, RJ, Brasil.
publishDate 2014
dc.date.issued.fl_str_mv 2014
dc.date.accessioned.fl_str_mv 2019-03-07T19:09:52Z
dc.date.available.fl_str_mv 2019-03-07T19:09:52Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.citation.fl_str_mv GODINHO, R. M. et al. The vacuolar-sorting protein Snf7 is required for export of virulence determinants in members of the Cryptococcus neoformans complex. Scientific Reports, v. 4, p. 1-11, 2014.
dc.identifier.uri.fl_str_mv https://www.arca.fiocruz.br/handle/icict/31990
dc.identifier.issn.pt_BR.fl_str_mv 2045-2322
dc.identifier.doi.none.fl_str_mv 10.1038/srep06198
identifier_str_mv GODINHO, R. M. et al. The vacuolar-sorting protein Snf7 is required for export of virulence determinants in members of the Cryptococcus neoformans complex. Scientific Reports, v. 4, p. 1-11, 2014.
2045-2322
10.1038/srep06198
url https://www.arca.fiocruz.br/handle/icict/31990
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Nature
publisher.none.fl_str_mv Nature
dc.source.none.fl_str_mv reponame:Repositório Institucional da FIOCRUZ (ARCA)
instname:Fundação Oswaldo Cruz (FIOCRUZ)
instacron:FIOCRUZ
instname_str Fundação Oswaldo Cruz (FIOCRUZ)
instacron_str FIOCRUZ
institution FIOCRUZ
reponame_str Repositório Institucional da FIOCRUZ (ARCA)
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https://www.arca.fiocruz.br/bitstream/icict/31990/2/ve_Marcio_Rodrigues_etal_CDTS_2014b.pdf
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