Bacterial diversity shift determined by different dietes in the gut of the spotter wing fly Drosophila suzukii is primarily reflected on acetic acid bacteria

Abstract

AAB massively colonized the insect gut with infection rates of 90 and 92% in fruit-fed and artificial diet-fed individuals, respectively. 16S rRNA gene pyrosequencing showed a differentiation of the bacterial microbiota of guts from insects fed with the two diets. The exclusion of AAB-related OTUs from the analysis showed a lack of the clustering pattern, suggesting that the diet-based diversification of the community is primarily reflected on AAB components. AAB alpha-diversity was also influenced by diet. Data suggested an AAB role in the gut response of D. suzukii to diet modification

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