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iScience

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Microbiome assembly on Drosophila body surfaces benefits the flies to combat fungal infections

Published:17 June 2022 DOI: 10.1016/j.isci.2022.104408 PMID: 35663020
Song Hong , Yanlei Sun , Dapeng Sun , Chengshu Wang

Abstract

In contrast to the well-characterized gut microbiomes, the composition and function of the insect body-surface microbiotas are still elusive and highly underexplored. Here we report the dynamic features of the Drosophila melanogaster surface microbiomes. It was found that the microbiomes assembled on fly surfaces could defend insects against fungal parasitic infections. The substantial increase of bacterial loads occurred within 10?days of fly eclosion, especially the expansion of Gilliamella species. The culturable bacteria such as Lactiplantibacillus plantarum could effectively inhibit fungal spore germinations, and the gnotobiotic addition of the isolated bacteria could substantially delay fungal infection of axenic flies. We found that the fly tarsal segments were largely accumulated with bacterial cells, which could accelerate cell dispersal onto different body parts to deter fungal spore germinations. Our findings will facilitate future investigations of the surface microbiotas affecting insect physiologies.

Substances (4)

Materials
Procduct Name CAS Molecular Formula Supplier Price
Nafcillin sodium salt monohydrate 7177-50-6 C21H25N2NaO6S 171 suppliers $30.00-$1075.00
Nafcillin sodium salt monohydrate 7177-50-6 C21H25N2NaO6S 171 suppliers $30.00-$1075.00
Nafcillin sodium salt monohydrate 7177-50-6 C21H25N2NaO6S 171 suppliers $30.00-$1075.00
Nafcillin sodium salt monohydrate 7177-50-6 C21H25N2NaO6S 171 suppliers $30.00-$1075.00

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