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Genomics

Title:		Comparative transcriptome analysis of sex pheromone glands of two sympatric lepidopteran congener species
Author(s):		Jung CR; Kim Y;
Address:		"Department of Bioresource Sciences, Andong National University, Andong 760-749, Republic of Korea. Department of Bioresource Sciences, Andong National University, Andong 760-749, Republic of Korea. Electronic address: hosanna@andong.ac.kr"
Journal Title:		Genomics
Year:		2014
Volume:		20140322
Issue:		4
Page Number:		308 - 315
DOI:		10.1016/j.ygeno.2014.02.009
ISSN/ISBN:		1089-8646 (Electronic) 0888-7543 (Linking)
Abstract:		"Two internal apple feeders of Grapholita molesta and Grapholita dimorpha share two major sex pheromone components (stereoisomers) and exhibit a similar circadian rhythm of mating behavior. This study aimed to determine the genetic factors diversifying these two congeners with respect to sex pheromone biosynthetic machinery. Transcriptomes of sex pheromone glands in both species were analyzed with a deep sequencing technology. To find out the gene(s) responsible for the stereoisomer ratios of G. molesta and G. dimorpha, a hypothetic sex pheromone biosynthetic pathway was predicted based on the transcriptomes of their sex pheromone glands. Some orthologs of Delta10 desaturase and FARs in the synthetic pathway were specifically expressed in sex pheromone glands. The relatively high variation in DNA sequence and expression levels between G. molesta and G. dimorpha suggest their crucial roles in generating differential ratios of the sex pheromone stereoisomers in these two sympatric congeners"
Keywords:		Aldehyde Oxidoreductases/genetics Animals Fatty Acid Desaturases/genetics Genetic Variation Lepidoptera/*genetics/metabolism Phylogeny Scent Glands/*physiology Sex Attractants/*biosynthesis Transcriptome Desaturase Grapholita Sex pheromone Speciation;
Notes:		"MedlineJung, Chung Ryul Kim, Yonggyun eng Comparative Study Research Support, Non-U.S. Gov't 2014/03/29 Genomics. 2014 Apr; 103(4):308-15. doi: 10.1016/j.ygeno.2014.02.009. Epub 2014 Mar 22"