Dynamics of Bacterial Community Composition in the Malaria Mosquito's Epithelia

Frontiers in Microbiology
Majoline T TchioffoIsabelle Morlais

Abstract

The Anopheles midgut hosts diverse bacterial communities and represents a complex ecosystem. Several evidences indicate that mosquito midgut microbiota interferes with malaria parasite transmission. However, the bacterial composition of salivary glands and ovaries, two other biologically important tissues, has not been described so far. In this study, we investigated the dynamics of the bacterial communities in the mosquito tissues from emerging mosquitoes until 8 days after a blood meal containing Plasmodium falciparum gametocytes and described the temporal colonization of the mosquito epithelia. Bacterial communities were identified in the midgut, ovaries, and salivary glands of individual mosquitoes using pyrosequencing of the 16S rRNA gene. We found that the mosquito epithelia share a core microbiota, but some bacteria taxa were more associated with one or another tissue at a particular time point. The bacterial composition in the tissues of emerging mosquitoes varied according to the breeding site, indicating that some bacteria are acquired from the environment. Our results revealed temporal variations in the bacterial community structure, possibly as a result of the mosquito physiological changes. The abundance of Serrati...Continue Reading

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Citations

Sep 11, 2016·Parasites & Vectors·Fatalmoudou TandinaPhilippe Parola
Dec 3, 2016·Scientific Reports·Inbar LinenbergMathilde Gendrin
Feb 9, 2017·Memórias do Instituto Oswaldo Cruz·Miguel A SaldañaGrant L Hughes
Apr 20, 2017·Frontiers in Microbiology·Eva NovakovaJames Scott
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Jul 30, 2021·Frontiers in Microbiology·Blaire StevenDoug E Brackney

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Datasets Mentioned

BETA
SRR1038493

Methods Mentioned

BETA
dissections
PCR
PCA
dissection

Software Mentioned

ade4
BiodiversityR
ade4TkGUI
STAMP
R
Vegan

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