A novel protocol for the isolation of fungal extracellular vesicles reveals the participation of a putative scramblase in polysaccharide export and capsule construction in Cryptococcus gattii
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , , , , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da FIOCRUZ (ARCA) |
DOI: | 10.1128/mSphere.00080-19 |
Texto Completo: | https://www.arca.fiocruz.br/handle/icict/34192 |
Resumo: | Fundação Oswaldo Cruz. Instituto Carlos Chagas. Curitiba, PR, Brasil / Fundação Oswaldo Cruz. Centro de Desenvolvimento Tecnológico em Saúde. Rio de Janeiro, RJ, Brasil. |
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Reis, Flavia Coelho Garcia dosBorges, Beatriz SantanaJozefowicz, Luísa J.Sena, Bianca A. G.Garcia, Ane W. A.Medeiros, Lia Carolina SoaresMartins, Sharon de ToledoHonorato, LeandroSchrank, AugustoVainstein, Marilene HenningKmetzsch, LíviaNimrichter, LeonardoAlves, Lysangela RonalteStaats, Charley C.Rodrigues, Marcio Lourenço2019-07-17T15:31:35Z2019-07-17T15:31:35Z2019REIS, Flávia C. G. et al. A novel protocol for the isolation of fungal extracellular vesicles reveals the participation of a putative scramblase in polysaccharide export and capsule construction in Cryptococcus gattii. mSphere, v. 4, n. 2, p. 1–15, 2019.2379-5042https://www.arca.fiocruz.br/handle/icict/3419210.1128/mSphere.00080-192379-5042porAmerican Society for MicrobiologyScramblaseExtracellular VesiclesFungiSecretory ProcessPhospholipid Transfer ProteinsHongosVías SecretorasProteínas de Transferencia de FosfolípidosCryptococcusVesículas ExtracelularesFungosVia SecretóriaProteínas de Transferência de FosfolipídeosA novel protocol for the isolation of fungal extracellular vesicles reveals the participation of a putative scramblase in polysaccharide export and capsule construction in Cryptococcus gattiiinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleFundação Oswaldo Cruz. Instituto Carlos Chagas. Curitiba, PR, Brasil / Fundação Oswaldo Cruz. Centro de Desenvolvimento Tecnológico em Saúde. Rio de Janeiro, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Carlos Chagas. Curitiba, PR, Brasil.Fundação Oswaldo Cruz. Instituto Carlos Chagas. Curitiba, PR, Brasil.Fundação Oswaldo Cruz. Instituto Carlos Chagas, Curitiba, PR, Brasil.Universidade Federal do Rio Grande do Sul. Centro de Biotecnologia. Departamento de Biologia Molecular e Biotecnologia. Porto Alegre, RS, Brasil.Fundação Oswaldo Cruz. Instituto Carlos Chagas, Curitiba, PR, Brasil.Fundação Oswaldo Cruz. Instituto Carlos Chagas, Curitiba, PR, Brasil.Universidade 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. Departamento de Biologia Molecular e Biotecnologia. Porto Alegre, RS, Brasil.Universidade Federal do Rio Grande do Sul. Centro de Biotecnologia. Departamento de Biologia Molecular e Biotecnologia. Porto Alegre, RS, Brasil.Universidade Federal do Rio Grande do Sul. Centro de Biotecnologia. Departamento de Biologia Molecular e Biotecnologia. Porto Alegre, RS, Brasil.Universidade Federal do Rio de Janeiro. Instituto de Microbiologia Professor Paulo de Góes. Rio de Janeiro, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Carlos Chagas, Curitiba, PR, Brasil.Universidade Federal do Rio Grande do Sul. Centro de Biotecnologia. Departamento de Biologia Molecular e Biotecnologia. Porto Alegre, RS, Brasil.Universidade Federal do Rio de Janeiro. Instituto de Microbiologia Professor Paulo de Góes. Rio de Janeiro, RJ, Brasil.Regular protocols for the isolation of fungal extracellular vesicles (EVs) are time-consuming, hard to reproduce, and produce low yields. In an attempt to improve the protocols used for EV isolation, we explored a model of vesicle production after growth of Cryptococcus gattii and Cryptococcus neoformans on solid media. Nanoparticle tracking analysis in combination with transmission electron microscopy revealed that C. gattii and C. neoformans produced EVs in solid media. The properties of cryptococcal vesicles varied according to the culture medium used and the EV-producing species. EV detection was reproduced with an acapsular mutant of C. neoformans, as well as with isolates of Candida albicans, Histoplasma capsulatum, and Saccharomyces cerevisiae Cryptococcal EVs produced in solid media were biologically active and contained regular vesicular components, including the major polysaccharide glucuronoxylomannan (GXM) and RNA. Since the protocol had higher yields and was much faster than the regular methods used for the isolation of fungal EVs, we asked if it would be applicable to address fundamental questions related to cryptococcal secretion. On the basis that polysaccharide export in Cryptococcus requires highly organized membrane traffic culminating with EV release, we analyzed the participation of a putative scramblase (Aim25; CNBG_3981) in EV-mediated GXM export and capsule formation in C. gattii EVs from a C. gattiiaim25Δ strain differed from those obtained from wild-type (WT) cells in physical-chemical properties and cargo. In a model of surface coating of an acapsular cryptococcal strain with vesicular GXM, EVs obtained from the aim25Δ mutant were more efficiently used as a source of capsular polysaccharides. Lack of the Aim25 scramblase resulted in disorganized membranes and increased capsular dimensions. These results associate the description of a novel protocol for the isolation of fungal EVs with the identification of a previously unknown regulator of polysaccharide release. Important information: Extracellular vesicles (EVs) are fundamental components of the physiology of cells from all kingdoms. In pathogenic fungi, they participate in important mechanisms of transfer of antifungal resistance and virulence, as well as in immune stimulation and prion transmission. However, studies on the functions of fungal EVs are still limited by the lack of efficient methods for isolation of these compartments. In this study, we developed an alternative protocol for isolation of fungal EVs and demonstrated an application of this new methodology in the study of the physiology of the fungal pathogen Cryptococcus gattii Our results describe a fast and reliable method for the study of fungal EVs and reveal the participation of scramblase, a phospholipid-translocating enzyme, in secretory processes of C. gattii.info:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-82991https://www.arca.fiocruz.br/bitstream/icict/34192/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALmSphere-2019-Reis.pdfmSphere-2019-Reis.pdfapplication/pdf2893097https://www.arca.fiocruz.br/bitstream/icict/34192/2/mSphere-2019-Reis.pdf3b8ca89084c43618c30f0f473efdbb23MD52TEXTmSphere-2019-Reis.pdf.txtmSphere-2019-Reis.pdf.txtExtracted 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dc.title.pt_BR.fl_str_mv |
A novel protocol for the isolation of fungal extracellular vesicles reveals the participation of a putative scramblase in polysaccharide export and capsule construction in Cryptococcus gattii |
title |
A novel protocol for the isolation of fungal extracellular vesicles reveals the participation of a putative scramblase in polysaccharide export and capsule construction in Cryptococcus gattii |
spellingShingle |
A novel protocol for the isolation of fungal extracellular vesicles reveals the participation of a putative scramblase in polysaccharide export and capsule construction in Cryptococcus gattii Reis, Flavia Coelho Garcia dos Scramblase Extracellular Vesicles Fungi Secretory Process Phospholipid Transfer Proteins Hongos Vías Secretoras Proteínas de Transferencia de Fosfolípidos Cryptococcus Vesículas Extracelulares Fungos Via Secretória Proteínas de Transferência de Fosfolipídeos |
title_short |
A novel protocol for the isolation of fungal extracellular vesicles reveals the participation of a putative scramblase in polysaccharide export and capsule construction in Cryptococcus gattii |
title_full |
A novel protocol for the isolation of fungal extracellular vesicles reveals the participation of a putative scramblase in polysaccharide export and capsule construction in Cryptococcus gattii |
title_fullStr |
A novel protocol for the isolation of fungal extracellular vesicles reveals the participation of a putative scramblase in polysaccharide export and capsule construction in Cryptococcus gattii |
title_full_unstemmed |
A novel protocol for the isolation of fungal extracellular vesicles reveals the participation of a putative scramblase in polysaccharide export and capsule construction in Cryptococcus gattii |
title_sort |
A novel protocol for the isolation of fungal extracellular vesicles reveals the participation of a putative scramblase in polysaccharide export and capsule construction in Cryptococcus gattii |
author |
Reis, Flavia Coelho Garcia dos |
author_facet |
Reis, Flavia Coelho Garcia dos Borges, Beatriz Santana Jozefowicz, Luísa J. Sena, Bianca A. G. Garcia, Ane W. A. Medeiros, Lia Carolina Soares Martins, Sharon de Toledo Honorato, Leandro Schrank, Augusto Vainstein, Marilene Henning Kmetzsch, Lívia Nimrichter, Leonardo Alves, Lysangela Ronalte Staats, Charley C. Rodrigues, Marcio Lourenço |
author_role |
author |
author2 |
Borges, Beatriz Santana Jozefowicz, Luísa J. Sena, Bianca A. G. Garcia, Ane W. A. Medeiros, Lia Carolina Soares Martins, Sharon de Toledo Honorato, Leandro Schrank, Augusto Vainstein, Marilene Henning Kmetzsch, Lívia Nimrichter, Leonardo Alves, Lysangela Ronalte Staats, Charley C. Rodrigues, Marcio Lourenço |
author2_role |
author author author author author author author author author author author author author author |
dc.contributor.author.fl_str_mv |
Reis, Flavia Coelho Garcia dos Borges, Beatriz Santana Jozefowicz, Luísa J. Sena, Bianca A. G. Garcia, Ane W. A. Medeiros, Lia Carolina Soares Martins, Sharon de Toledo Honorato, Leandro Schrank, Augusto Vainstein, Marilene Henning Kmetzsch, Lívia Nimrichter, Leonardo Alves, Lysangela Ronalte Staats, Charley C. Rodrigues, Marcio Lourenço |
dc.subject.other.pt_BR.fl_str_mv |
Scramblase |
topic |
Scramblase Extracellular Vesicles Fungi Secretory Process Phospholipid Transfer Proteins Hongos Vías Secretoras Proteínas de Transferencia de Fosfolípidos Cryptococcus Vesículas Extracelulares Fungos Via Secretória Proteínas de Transferência de Fosfolipídeos |
dc.subject.en.pt_BR.fl_str_mv |
Extracellular Vesicles Fungi Secretory Process Phospholipid Transfer Proteins |
dc.subject.es.pt_BR.fl_str_mv |
Hongos Vías Secretoras Proteínas de Transferencia de Fosfolípidos |
dc.subject.decs.pt_BR.fl_str_mv |
Cryptococcus Vesículas Extracelulares Fungos Via Secretória Proteínas de Transferência de Fosfolipídeos |
description |
Fundação Oswaldo Cruz. Instituto Carlos Chagas. Curitiba, PR, Brasil / Fundação Oswaldo Cruz. Centro de Desenvolvimento Tecnológico em Saúde. Rio de Janeiro, RJ, Brasil. |
publishDate |
2019 |
dc.date.accessioned.fl_str_mv |
2019-07-17T15:31:35Z |
dc.date.available.fl_str_mv |
2019-07-17T15:31:35Z |
dc.date.issued.fl_str_mv |
2019 |
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 |
REIS, Flávia C. G. et al. A novel protocol for the isolation of fungal extracellular vesicles reveals the participation of a putative scramblase in polysaccharide export and capsule construction in Cryptococcus gattii. mSphere, v. 4, n. 2, p. 1–15, 2019. |
dc.identifier.uri.fl_str_mv |
https://www.arca.fiocruz.br/handle/icict/34192 |
dc.identifier.issn.pt_BR.fl_str_mv |
2379-5042 |
dc.identifier.doi.none.fl_str_mv |
10.1128/mSphere.00080-19 |
dc.identifier.eissn.none.fl_str_mv |
2379-5042 |
identifier_str_mv |
REIS, Flávia C. G. et al. A novel protocol for the isolation of fungal extracellular vesicles reveals the participation of a putative scramblase in polysaccharide export and capsule construction in Cryptococcus gattii. mSphere, v. 4, n. 2, p. 1–15, 2019. 2379-5042 10.1128/mSphere.00080-19 |
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https://www.arca.fiocruz.br/handle/icict/34192 |
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por |
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por |
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info:eu-repo/semantics/openAccess |
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openAccess |
dc.publisher.none.fl_str_mv |
American Society for Microbiology |
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American Society for Microbiology |
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