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Sci Rep


Title:Volatile codes: Correlation of olfactory signals and reception in Drosophila-yeast chemical communication
Author(s):Scheidler NH; Liu C; Hamby KA; Zalom FG; Syed Z;
Address:"Department of Biological Sciences &Eck Institute for Global Health University of Notre Dame, Notre Dame, IN 46556, USA. Center for Research Computing, University of Notre Dame, Notre Dame, IN 46556, USA. Entomology Department, University of Maryland, College Park, MD 20742, USA. Entomology and Nematology Department, University of California, Davis, CA 95616, USA"
Journal Title:Sci Rep
Year:2015
Volume:20150922
Issue:
Page Number:14059 -
DOI: 10.1038/srep14059
ISSN/ISBN:2045-2322 (Electronic) 2045-2322 (Linking)
Abstract:"Drosophila have evolved strong mutualistic associations with yeast communities that best support their growth and survival, resulting in the development of novel niches. It has been suggested that flies recognize their cognate yeasts primarily based on the rich repertoire of volatile organic compounds (VOCs) derived from the yeasts. Thus, it remained an exciting avenue to study whether fly spp. detect and discriminate yeast strains based on odor alone, and if so, how such resolution is achieved by the olfactory system in flies. We used two fly species known to exploit different niches and harboring different yeasts, D. suzukii (a pest of fresh fruit) and D. melanogaster (a saprophytic fly and a neurogenetic model organism). We initially established the behavioral preference of both fly species to six Drosophila-associated yeasts; then chemically analyzed the VOC profile of each yeast which revealed quantitative and qualitative differences; and finally isolated and identified the physiologically active constituents from yeast VOCs for each drosophilid that potentially define attraction. By employing chemical, behavioral, and electrophysiological analyses, we provide a comprehensive portrait of the olfactory neuroethological correlates underlying fly-yeast coadaptation in two drosophilids with distinct habitats"
Keywords:Animals Drosophila/*microbiology/*physiology *Odorants *Volatile Organic Compounds Yeasts/*chemistry/classification;
Notes:"MedlineScheidler, Nicole H Liu, Cheng Hamby, Kelly A Zalom, Frank G Syed, Zainulabeuddin eng Research Support, Non-U.S. Gov't England 2015/09/24 Sci Rep. 2015 Sep 22; 5:14059. doi: 10.1038/srep14059"

 
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