The vacuolar-sorting protein Snf7 is required for export of virulence determinants in members of the Cryptococcus neoformans complex
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Outros Autores: | , , , , , , , |
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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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 |
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eng |
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eng |
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info:eu-repo/semantics/openAccess |
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Nature |
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Nature |
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