LPG2 Gene Duplication in Leishmania infantum: a Case for CRISPR-Cas9 Gene Editing
Autor(a) principal: | |
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Data de Publicação: | 2020 |
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/43366 |
Resumo: | Brazilian National Research Council (CNPq) (Grant Number: 431857/2018-0) and the Fundação de Amparo à Pesquisa do Estado da Bahia (FAPESB) (Grant Number: 04/2015) to VB. VB is a senior investigator funded by CNPq. AD holds the Canada Research Chair in Biology of intracellular parasitism. The fellowships received by FJ-S, JL-S, and part of this study was financed by the program: Coordenação de Aperfeiçoamento de Pessoal deNível Superior— Brasil (CAPES) –Finance Code 001. |
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Santos, Flávio Henrique JesusSilva, Jéssica LoboRamos, Pablo Ivan PereiraDescoteaux, AlbertLima, Jonilson BerlinkValéria, Matos de BorgesFarias, Leonardo Paiva2020-09-15T12:13:30Z2020-09-15T12:13:30Z2020SANTOS, Flávio Henrique Jesus et al. LPG2 Gene Duplication in Leishmania infantum: a Case for CRISPR-Cas9 Gene Editing. Frontiers in Cellular and Infection Microbiology, p. 1-11, Aug. 2020.2235-2988https://www.arca.fiocruz.br/handle/icict/4336610.3389/fcimb.2020.00408Brazilian National Research Council (CNPq) (Grant Number: 431857/2018-0) and the Fundação de Amparo à Pesquisa do Estado da Bahia (FAPESB) (Grant Number: 04/2015) to VB. VB is a senior investigator funded by CNPq. AD holds the Canada Research Chair in Biology of intracellular parasitism. The fellowships received by FJ-S, JL-S, and part of this study was financed by the program: Coordenação de Aperfeiçoamento de Pessoal deNível Superior— Brasil (CAPES) –Finance Code 001.Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Laboratório de Inflamação e Biomarcadores. Salvador, BA, Brasil / Universidade Federal da Bahia. Faculdade de Medicina. Salvador, BA, Brasil.Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Laboratório de Inflamação e Biomarcadores. Salvador, BA, Brasil.Fundação Oswaldo Cruz. Centro de Integração de Dados e Conhecimentos para Saúde. Salvador, BA, Brasil.Institut National de la Recherche Scientifique. Centre Armand-Frappier Santé Biotechnologie. Laval, QC, Canada.Federal University of Western of Bahia. Center of Biological Sciences and Health. Barreiras, BA, Brazil.Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Laboratório de Inflamação e Biomarcadores. Salvador, BA, Brasil / Universidade Federal da Bahia. Faculdade de Medicina. Salvador, BA, Brasil.Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Laboratório de Inflamação e Biomarcadores. Salvador, BA, Brasil / Universidade Federal da Bahia. Faculdade de Medicina. Salvador, BA, Brasil.On the surface of the Leishmania promastigote, phosphoglycans (PG) such as lipophosphoglycan (LPG), proteophosphoglycan (PPG), free phosphoglycan polymers (PGs), and acid phosphatases (sAP), are dominant and contribute to the invasion and survival of Leishmania within the host cell by modulating macrophage signaling and intracellular trafficking. Phosphoglycan synthesis depends on the Golgi GDP-mannose transporter encoded by the LPG2 gene. Aiming to investigate the role of PG-containing molecules in Leishmania infantum infection process, herein we describe the generation and characterization of L. infantum LPG2-deficient parasites. This gene was unexpectedly identified as duplicated in the L. infantum genome, which impaired gene targeting using the conventional homologous recombination approach. This limitation was circumvented by the use of CRISPR/Cas9 technology. Knockout parasites were selected by agglutination assays using CA7AE antibodies followed by a lectin (RCA 120). Five clones were isolated and molecularly characterized, all revealing the expected edited genome, as well as the complete absence of LPG and PG-containing molecule expression. Finally, the deletion of LPG2 was found to impair the outcome of infection in human neutrophils, as demonstrated by a pronounced reduction (∼83%) in intracellular load compared to wild-type parasite infection. The results obtained herein reinforce the importance of LPG and other PGs as virulence factors in host-parasite interactions.engFrontiers MediaGDP-manoseLeishmania infantumGenesCRISPRGDP-mannose transporterLipophosphoglycanLeishmania infantumGene targetingCRISPR/CAS9LPG2 Gene Duplication in Leishmania infantum: a Case for CRISPR-Cas9 Gene Editinginfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleinfo: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/43366/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALSantos, Flavio Henrique Jesus LPG2 Gene....pdfSantos, Flavio Henrique Jesus LPG2 Gene....pdfapplication/pdf1861232https://www.arca.fiocruz.br/bitstream/icict/43366/2/Santos%2c%20Flavio%20Henrique%20Jesus%20LPG2%20Gene....pdf301bdadb400091d66061c1853f7a43ebMD52TEXTSantos, Flavio Henrique Jesus LPG2 Gene....pdf.txtSantos, Flavio Henrique Jesus LPG2 Gene....pdf.txtExtracted texttext/plain54916https://www.arca.fiocruz.br/bitstream/icict/43366/3/Santos%2c%20Flavio%20Henrique%20Jesus%20LPG2%20Gene....pdf.txt4d73b25af532785a582d5fa7e0705777MD53icict/433662023-03-15 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dc.title.pt_BR.fl_str_mv |
LPG2 Gene Duplication in Leishmania infantum: a Case for CRISPR-Cas9 Gene Editing |
title |
LPG2 Gene Duplication in Leishmania infantum: a Case for CRISPR-Cas9 Gene Editing |
spellingShingle |
LPG2 Gene Duplication in Leishmania infantum: a Case for CRISPR-Cas9 Gene Editing Santos, Flávio Henrique Jesus GDP-manose Leishmania infantum Genes CRISPR GDP-mannose transporter Lipophosphoglycan Leishmania infantum Gene targeting CRISPR/CAS9 |
title_short |
LPG2 Gene Duplication in Leishmania infantum: a Case for CRISPR-Cas9 Gene Editing |
title_full |
LPG2 Gene Duplication in Leishmania infantum: a Case for CRISPR-Cas9 Gene Editing |
title_fullStr |
LPG2 Gene Duplication in Leishmania infantum: a Case for CRISPR-Cas9 Gene Editing |
title_full_unstemmed |
LPG2 Gene Duplication in Leishmania infantum: a Case for CRISPR-Cas9 Gene Editing |
title_sort |
LPG2 Gene Duplication in Leishmania infantum: a Case for CRISPR-Cas9 Gene Editing |
author |
Santos, Flávio Henrique Jesus |
author_facet |
Santos, Flávio Henrique Jesus Silva, Jéssica Lobo Ramos, Pablo Ivan Pereira Descoteaux, Albert Lima, Jonilson Berlink Valéria, Matos de Borges Farias, Leonardo Paiva |
author_role |
author |
author2 |
Silva, Jéssica Lobo Ramos, Pablo Ivan Pereira Descoteaux, Albert Lima, Jonilson Berlink Valéria, Matos de Borges Farias, Leonardo Paiva |
author2_role |
author author author author author author |
dc.contributor.author.fl_str_mv |
Santos, Flávio Henrique Jesus Silva, Jéssica Lobo Ramos, Pablo Ivan Pereira Descoteaux, Albert Lima, Jonilson Berlink Valéria, Matos de Borges Farias, Leonardo Paiva |
dc.subject.other.pt_BR.fl_str_mv |
GDP-manose Leishmania infantum Genes CRISPR |
topic |
GDP-manose Leishmania infantum Genes CRISPR GDP-mannose transporter Lipophosphoglycan Leishmania infantum Gene targeting CRISPR/CAS9 |
dc.subject.en.pt_BR.fl_str_mv |
GDP-mannose transporter Lipophosphoglycan Leishmania infantum Gene targeting CRISPR/CAS9 |
description |
Brazilian National Research Council (CNPq) (Grant Number: 431857/2018-0) and the Fundação de Amparo à Pesquisa do Estado da Bahia (FAPESB) (Grant Number: 04/2015) to VB. VB is a senior investigator funded by CNPq. AD holds the Canada Research Chair in Biology of intracellular parasitism. The fellowships received by FJ-S, JL-S, and part of this study was financed by the program: Coordenação de Aperfeiçoamento de Pessoal deNível Superior— Brasil (CAPES) –Finance Code 001. |
publishDate |
2020 |
dc.date.accessioned.fl_str_mv |
2020-09-15T12:13:30Z |
dc.date.available.fl_str_mv |
2020-09-15T12:13:30Z |
dc.date.issued.fl_str_mv |
2020 |
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 |
SANTOS, Flávio Henrique Jesus et al. LPG2 Gene Duplication in Leishmania infantum: a Case for CRISPR-Cas9 Gene Editing. Frontiers in Cellular and Infection Microbiology, p. 1-11, Aug. 2020. |
dc.identifier.uri.fl_str_mv |
https://www.arca.fiocruz.br/handle/icict/43366 |
dc.identifier.issn.pt_BR.fl_str_mv |
2235-2988 |
dc.identifier.doi.pt_BR.fl_str_mv |
10.3389/fcimb.2020.00408 |
identifier_str_mv |
SANTOS, Flávio Henrique Jesus et al. LPG2 Gene Duplication in Leishmania infantum: a Case for CRISPR-Cas9 Gene Editing. Frontiers in Cellular and Infection Microbiology, p. 1-11, Aug. 2020. 2235-2988 10.3389/fcimb.2020.00408 |
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https://www.arca.fiocruz.br/handle/icict/43366 |
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eng |
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eng |
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Frontiers Media |
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Frontiers Media |
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