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https://www.arca.fiocruz.br/handle/icict/50279
EFFECTS OF LARVAL REARING SUBSTRATES ON SOME LIFE-TABLE PARAMETERS OF LUTZOMYIA LONGIPALPIS SAND FLIES
Autor(es)
Afiliação
Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil.
Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil / Universidade Federal da Bahia. Escola de Medicina Veterinaria e Zootecnia. Salvador, BA, Brasil.
Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil.
The Hebrew University of Jerusalem. Faculty of Medicine. Institute of Medical Research. Kuvin Center for the Study of Infectious & Tropical Diseases. Department of Microbiology and Molecular Genetics. Jerusalem, Israel.
Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil.
Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil / Universidade Federal da Bahia. Escola de Medicina Veterinaria e Zootecnia. Salvador, BA, Brasil.
Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil.
Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil / Universidade Federal da Bahia. Escola de Medicina Veterinaria e Zootecnia. Salvador, BA, Brasil.
The Hebrew University of Jerusalem. Faculty of Medicine. Institute of Medical Research. Kuvin Center for the Study of Infectious & Tropical Diseases. Department of Microbiology and Molecular Genetics. Jerusalem, Israel.
Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil / Universidade Federal da Bahia. Escola de Medicina Veterinaria e Zootecnia. Salvador, BA, Brasil.
Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil.
The Hebrew University of Jerusalem. Faculty of Medicine. Institute of Medical Research. Kuvin Center for the Study of Infectious & Tropical Diseases. Department of Microbiology and Molecular Genetics. Jerusalem, Israel.
Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil.
Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil / Universidade Federal da Bahia. Escola de Medicina Veterinaria e Zootecnia. Salvador, BA, Brasil.
Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil.
Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil / Universidade Federal da Bahia. Escola de Medicina Veterinaria e Zootecnia. Salvador, BA, Brasil.
The Hebrew University of Jerusalem. Faculty of Medicine. Institute of Medical Research. Kuvin Center for the Study of Infectious & Tropical Diseases. Department of Microbiology and Molecular Genetics. Jerusalem, Israel.
Resumo em Inglês
Sand flies are the insects responsible for transmitting Leishmania parasites, the causative
agents of leishmaniasis in humans. However, the effects of sand fly breeding sites on their
biology and ecology remain poorly understood. Herein, we studied how larval nutrition associated
with putative breeding sites of the sand fly Lutzomyia longipalpis affects their oviposition,
development, microbiome, and susceptibility to Leishmania by rearing L. longipalpis on
substrates collected from an endemic area for leishmaniasis in Brazil. The results showed
that female L. longipalpis select the oviposition site based on its potential to promote larval
maturation and while composting cashew leaf litter hindered the development, larvae reared
on chicken feces developed rapidly. Typical gut microbial profiles were found in larvae
reared upon cashew leaf litter. Adult females from larvae reared on substrate collected in
chicken coops were infected with Leishmania infantum, indicating that they were highly susceptible
to the parasite. In conclusion, the larval breeding sites can exert an important role in
the epidemiology of leishmaniasis.
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