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Environmental specificity in Drosophila-bacteria symbiosis affects host developmental plasticity

Robin Guilhot, Antoine Rombaut, Anne Xuéreb, Kate Howell, Simon Fellous

Published : 2019

Abstract

ABSTRACT Environmentally acquired microbial symbionts could contribute to host adaptation to local conditions like vertically transmitted symbionts do. This scenario necessitates symbionts to have different effects in different environments. We investigated this idea in Drosophila melanogaster , a species which communities of bacterial symbionts vary greatly among environments. We isolated four bacterial strains isolated from the feces of a D. melanogaster laboratory strain and tested their effects in two conditions: the ancestral environment (i.e. the laboratory medium) and a new environment (i.e. fresh fruit with live yeast). All bacterial effects on larval and adult traits differed among ..

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University of Melbourne Researchers

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