NDLI: Genetic architecture of natural variation in cuticular hydrocarbon composition in Drosophila melanogaster

Content Provider	PubMed Central
Author	Dembeck, Lauren M. Katalin, Böröczky Huang, Wen Coby, Schal Anholt, Robert R. H. Mackay, Trudy F. C.
Editor	Kliebenstein, Daniel J.
Copyright Year	2015
Abstract	Insect cuticular hydrocarbons (CHCs) prevent desiccation and serve as chemical signals that mediate social interactions. Drosophila melanogaster CHCs have been studied extensively, but the genetic basis for individual variation in CHC composition is largely unknown. We quantified variation in CHC profiles in the D. melanogaster Genetic Reference Panel (DGRP) and identified novel CHCs. We used principal component (PC) analysis to extract PCs that explain the majority of CHC variation and identified polymorphisms in or near 305 and 173 genes in females and males, respectively, associated with variation in these PCs. In addition, 17 DGRP lines contain the functional Desat2 allele characteristic of African and Caribbean D. melanogaster females (more 5,9-C27:2 and less 7,11-C27:2, female sex pheromone isomers). Disruption of expression of 24 candidate genes affected CHC composition in at least one sex. These genes are associated with fatty acid metabolism and represent mechanistic targets for individual variation in CHC composition.
Related Links	http://dx.doi.org/10.7554/elife.09861
Starting Page	9861
File Format	PDF
ISSN	2050084X
e-ISSN	2050084X
Journal	eLife
Volume Number	4
Language	English
Publisher	eLife Sciences Publications, Ltd
Publisher Date	2015-11-01
Access Restriction	Open
Rights Holder	eLife Sciences Publications, Ltd
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Neuroscience Immunology and Microbiology Medicine Biochemistry, Genetics and Molecular Biology

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