Transcriptional analysis of sex pheromone biosynthesis signal genes in Bombyx mori

Six sex pheromone synthesis signal genes, including aeyl coenzyme A （acyl- CoA） desaturase （desatl）, fatty acyl reduetase （FAR）, pheromone biosynthesis activating neuropeptide receptor （PBANR）, fatty acid transport protein （FATP）, acyl-CoA binding protein （ACBP） and store-operated channel protein （O...

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Bibliographic Details
Published in:Insect science 2012-12, Vol.19 (6), p.621-632
Main Authors: An, Shi-Heng, Du, Meng-Fang, Su, Li-Juan, Yin, Xin-Ming
Format: Article
Language:English
Subjects:
Biosynthesis
Bombyx mori
Insects
Pheromones
Proteins
sex pheromone biosynthesis
signal genes
transcriptional regulation
保幼激素类似物
合成信号
家蚕
性信息素
标记基因
生物合成
转录
酰基辅酶A
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Summary:Six sex pheromone synthesis signal genes, including aeyl coenzyme A （acyl- CoA） desaturase （desatl）, fatty acyl reduetase （FAR）, pheromone biosynthesis activating neuropeptide receptor （PBANR）, fatty acid transport protein （FATP）, acyl-CoA binding protein （ACBP） and store-operated channel protein （OrailA）, were studied for their tran- scriptional regulations. The expression profiles of these transcripts at different develop- mental stages （from -96 to 48 h） revealed that the genes are expressed in an age-dependent manner. The transcripts of these genes continued to increase despite decapitation, and compared with normally developmental females, decapitation significantly inhibited their expression. Further experiments with a methoprene, a juvenile hormone （JH） analogue, challenge showed that JH was not a key inhibiting factor in the expression of these genes, and mating was found to significantly inhibit the expression of these marker genes. Alto- gether, the results provide a reference for understanding the mechanism of sex pheromone synthesis.
ISSN:1672-9609
1744-7917
DOI:10.1111/j.1744-7917.2011.01469.x