Author | Moraes, Caroline S. | |
Author | Seabra, Sergio H. | |
Author | Castro, Daniele P. | |
Author | Brazil, Reginaldo P. | |
Author | Souza, Wanderley de | |
Author | Garcia, Eloi S. | |
Author | Azambuja, Patrícia | |
Access date | 2019-04-02T12:35:36Z | |
Available date | 2019-04-02T12:35:36Z | |
Document date | 2008 | |
Citation | MORAES, Caroline S. et al. Leishmania (Leishmania) chagasi interactions with Serratia marcescens: Ultrastructural studies, lysis and carbohydrate effects. Experimental Parasitology, v. 118, n. 4, p. 561-568, 2008. | pt_BR |
ISSN | 0014-4894 | pt_BR |
URI | https://www.arca.fiocruz.br/handle/icict/32323 | |
Language | eng | pt_BR |
Publisher | Elsevier | pt_BR |
Rights | restricted access | |
Subject in Portuguese | Serratia marcescens | pt_BR |
Subject in Portuguese | Lisis | pt_BR |
Subject in Portuguese | Manose | pt_BR |
Subject in Portuguese | Biofilmes | pt_BR |
Subject in Portuguese | Insetos Vetores | pt_BR |
Subject in Portuguese | Leishmania | pt_BR |
Title | Leishmania (Leishmania) chagasi interactions with Serratia marcescens: ultrastructural studies, lysis and carbohydrate effects | pt_BR |
Type | Article | pt_BR |
DOI | 10.1016/j.exppara.2007.11.015 | |
Abstract | Studies on the lysis of L. chagasi caused by the bacteria Serratia marcescens were carried out. In vitro experiments demonstrated that S. marcescens variant SM 365, a prodigiosin pigment producer, lysed this species of Leishmania but variant DB11, a nonpigmented bacteria, was unable to lyse the parasite. High concentrations of d-mannose were found to protect L. chagasi markedly diminishing the lysis by S. marcescens SM 365. Promastigotes of L. chagasi bound the lectin Concanavalin A conjugated with FITC, the fluorescence was intensely found at the base of the flagellum (flagellar pocket). Scanning electron microscopy revealed that the bacteria adherence occurred mainly in the flagellar pocket. S. marcescens SM 365 formed filamentous structures, identified as biofilms, which connect the protozoan to the developing bacterial clusters, in low concentrations of bacteria after 30 min incubation time. We suggest that bacterial mannose-sensitive (MS) fimbriae are relevant to S. marcescens SM 365 in the lysis of L. chagasi. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Bioquímica e Biologia Molecular. Laboratório de Bioquímica e Fisiologia de Insetos. Rio de Janeiro, RJ. Brasil. | pt_BR |
Affilliation | Centro Universitário Estadual da Zona Oeste. Departamento de Pesquisa e Extensão. Rio de Janeiro, RJ, Brasil. | pt_BR |
Affilliation | undação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Bioquímica e Biologia Molecular. Laboratório de Bioquímica e Fisiologia de Insetos. Rio de Janeiro, RJ. Brasil. | pt_BR |
Affilliation | undação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Bioquímica e Biologia Molecular. Laboratório de Bioquímica e Fisiologia de Insetos. Rio de Janeiro, RJ. Brasil. | pt_BR |
Affilliation | Universidade Federal do Rio de Janeiro. Centro de Ciências da Saúde. Instituto de Biofísica Carlos Chagas Filho. Laboratório de Ultraestrutura Celular Hertha Meyers. Rio de Janeiro, RJ, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Bioquímica e Biologia Molecular. Laboratório de Bioquímica e Fisiologia de Insetos. Rio de Janeiro, RJ. Brasil. | pt_BR |
Subject | D-Mannose | pt_BR |
Subject | Leishmania and insect-vector | pt_BR |
Subject | Serratia marcescens | pt_BR |
Subject | Lysis | pt_BR |
Subject | Biofilms | pt_BR |
DeCS | Manose | pt_BR |
DeCS | Insetos Vetores | pt_BR |
e-ISSN | 1090-2449 | |
Embargo date | 2022-01-01 | |