Expression of calpain-like proteins and effects of calpain inhibitors on the growth rate of Angomonas deanei wild type and aposymbiotic strains
| Autor(a) principal: | |
|---|---|
| Data de Publicação: | 2015 |
| 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/13373 |
Resumo: | Universidade Federal do Rio de Janeiro (UFRJ). Instituto de Microbiologia Paulo de Góes. Departamento de Microbiologia Geral. Laboratório de Investigação de Peptidases. Rio de Janeiro, RJ, Brasil. |
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Oliveira, Simone Santiago Carvalho deGomes, Aline dos Santos GarciaLevy, Claudia Masini d'AvilaSantos, André Luís Sousa dosBranquinha, Marta Helena2016-03-29T11:21:09Z2016-03-29T11:21:09Z2015OLIVEIRA, Simone Santiago Carvalho de; et al. Expression of calpain-like proteins and effects of calpain inhibitors on the growth rate of Angomonas deanei wild type and aposymbiotic strains. BMC Microbiology, v.15:188, 13p, 2015.1471-2180https://www.arca.fiocruz.br/handle/icict/1337310.1186/s12866-015-0519-0engBioMed CentralExpression of calpain-like proteins and effects of calpain inhibitors on the growth rate of Angomonas deanei wild type and aposymbiotic strainsinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleUniversidade Federal do Rio de Janeiro (UFRJ). Instituto de Microbiologia Paulo de Góes. Departamento de Microbiologia Geral. Laboratório de Investigação de Peptidases. Rio de Janeiro, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Estudos Integrados em Protozoologia, Coleção de Protozoários. Rio de Janeiro, RJ, Brasil / Instituto Federal de Educação, Ciência e Tecnologia – Campus Rio de Janeiro. Laboratório de Microbiologia. Rio de Janeiro, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Estudos Integrados em Protozoologia, Coleção de Protozoários. Rio de Janeiro, RJ, Brasil.Universidade Federal do Rio de Janeiro (UFRJ). Instituto de Microbiologia Paulo de Góes. Departamento de Microbiologia Geral. Laboratório de Investigação de Peptidases. Rio de Janeiro, RJ, Brasil.Universidade Federal do Rio de Janeiro (UFRJ). Instituto de Microbiologia Paulo de Góes. Departamento de Microbiologia Geral. Laboratório de Investigação de Peptidases. Rio de Janeiro, RJ, Brasil.Background: Angomonas deanei is a trypanosomatid parasite of insects that has a bacterial endosymbiont, which supplies amino acids and other nutrients to its host. Bacterium loss induced by antibiotic treatment of the protozoan leads to an aposymbiotic strain with increased need for amino acids and results in increased production of extracellular peptidases. In this work, a more detailed examination of A. deanei was conducted to determine the effects of endosymbiont loss on the host calpain-like proteins (CALPs), followed by testing of different calpain inhibitors on parasite proliferation. Results: Western blotting showed the presence of different protein bands reactive to antibodies against calpain from Drosophila melanogaster (anti-Dm-calpain), lobster calpain (anti-CDPIIb) and cytoskeleton-associated calpain from Trypanosoma brucei (anti-CAP5.5), suggesting a possible modulation of CALPs influenced by the endosymbiont. In the cell-free culture supernatant of A. deanei wild type and aposymbiotic strains, a protein of 80 kDa cross-reacted with the anti-Dm-calpain antibody; however, no cross-reactivity was found with anti-CAP5.5 and anti-CDPIIb antibodies. A search in A. deanei genome for homologues of D. melanogaster calpain, T. brucei CAP5.5 and lobster CDPIIb calpain revealed the presence of hits with at least one calpain conserved domain and also with theoretical molecular mass consistent with the recognition by each antibody. No significant hit was observed in the endosymbiont genome, indicating that calpain molecules might be absent from the symbiont. Flow cytometry analysis of cells treated with the anti-calpain antibodies showed that a larger amount of reactive epitopes was located intracellularly. The reversible calpain inhibitor MDL28170 displayed a much higher efficacy in diminishing the growth of both strains compared to the non-competitive calpain inhibitor PD150606, while the irreversible calpain inhibitor V only marginally diminished the proliferation. Conclusions: Altogether, these results indicate that distinct calpain-like molecules are expressed by A. deanei, with a possible modulation in the expression influenced by the endosymbiont. In addition, treatment with MDL28170 affects the growth rate of both strains, as previously determined in the human pathogenic species Leishmania amazonensis and Trypanosoma cruzi, with whom A. deanei shares immunological and biochemical relationships.TrypanosomatidaeAngomonasEndosymbiontPeptidaseCalpainCalpain-like proteinsCalpaínaTrypanosomatinaPeptidaseinfo: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/13373/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALaline_gomes_etal_IOC_2015.pdfaline_gomes_etal_IOC_2015.pdfapplication/pdf1013035https://www.arca.fiocruz.br/bitstream/icict/13373/2/aline_gomes_etal_IOC_2015.pdf5d85fa7a61079734318855759793cdd5MD52TEXTaline_gomes_etal_IOC_2015.pdf.txtaline_gomes_etal_IOC_2015.pdf.txtExtracted 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| dc.title.pt_BR.fl_str_mv |
Expression of calpain-like proteins and effects of calpain inhibitors on the growth rate of Angomonas deanei wild type and aposymbiotic strains |
| title |
Expression of calpain-like proteins and effects of calpain inhibitors on the growth rate of Angomonas deanei wild type and aposymbiotic strains |
| spellingShingle |
Expression of calpain-like proteins and effects of calpain inhibitors on the growth rate of Angomonas deanei wild type and aposymbiotic strains Oliveira, Simone Santiago Carvalho de Trypanosomatidae Angomonas Endosymbiont Peptidase Calpain Calpain-like proteins Calpaína Trypanosomatina Peptidase |
| title_short |
Expression of calpain-like proteins and effects of calpain inhibitors on the growth rate of Angomonas deanei wild type and aposymbiotic strains |
| title_full |
Expression of calpain-like proteins and effects of calpain inhibitors on the growth rate of Angomonas deanei wild type and aposymbiotic strains |
| title_fullStr |
Expression of calpain-like proteins and effects of calpain inhibitors on the growth rate of Angomonas deanei wild type and aposymbiotic strains |
| title_full_unstemmed |
Expression of calpain-like proteins and effects of calpain inhibitors on the growth rate of Angomonas deanei wild type and aposymbiotic strains |
| title_sort |
Expression of calpain-like proteins and effects of calpain inhibitors on the growth rate of Angomonas deanei wild type and aposymbiotic strains |
| author |
Oliveira, Simone Santiago Carvalho de |
| author_facet |
Oliveira, Simone Santiago Carvalho de Gomes, Aline dos Santos Garcia Levy, Claudia Masini d'Avila Santos, André Luís Sousa dos Branquinha, Marta Helena |
| author_role |
author |
| author2 |
Gomes, Aline dos Santos Garcia Levy, Claudia Masini d'Avila Santos, André Luís Sousa dos Branquinha, Marta Helena |
| author2_role |
author author author author |
| dc.contributor.author.fl_str_mv |
Oliveira, Simone Santiago Carvalho de Gomes, Aline dos Santos Garcia Levy, Claudia Masini d'Avila Santos, André Luís Sousa dos Branquinha, Marta Helena |
| dc.subject.en.pt_BR.fl_str_mv |
Trypanosomatidae Angomonas Endosymbiont Peptidase Calpain Calpain-like proteins |
| topic |
Trypanosomatidae Angomonas Endosymbiont Peptidase Calpain Calpain-like proteins Calpaína Trypanosomatina Peptidase |
| dc.subject.decs.pt_BR.fl_str_mv |
Calpaína Trypanosomatina Peptidase |
| description |
Universidade Federal do Rio de Janeiro (UFRJ). Instituto de Microbiologia Paulo de Góes. Departamento de Microbiologia Geral. Laboratório de Investigação de Peptidases. Rio de Janeiro, RJ, Brasil. |
| publishDate |
2015 |
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2015 |
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2016-03-29T11:21:09Z |
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2016-03-29T11:21:09Z |
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info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/article |
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article |
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OLIVEIRA, Simone Santiago Carvalho de; et al. Expression of calpain-like proteins and effects of calpain inhibitors on the growth rate of Angomonas deanei wild type and aposymbiotic strains. BMC Microbiology, v.15:188, 13p, 2015. |
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https://www.arca.fiocruz.br/handle/icict/13373 |
| dc.identifier.issn.none.fl_str_mv |
1471-2180 |
| dc.identifier.doi.none.fl_str_mv |
10.1186/s12866-015-0519-0 |
| identifier_str_mv |
OLIVEIRA, Simone Santiago Carvalho de; et al. Expression of calpain-like proteins and effects of calpain inhibitors on the growth rate of Angomonas deanei wild type and aposymbiotic strains. BMC Microbiology, v.15:188, 13p, 2015. 1471-2180 10.1186/s12866-015-0519-0 |
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BioMed Central |
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BioMed Central |
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