The regulation of Δ11-desaturase gene expression in the pheromone gland of Mamestra brassicae (Lepidoptera; Noctuidae) during pheromonogenesis

General and Comparative Endocrinology
Gabriella KöblösAdrien Fónagy

Abstract

Cabbage moth (Mamestra brassicae) females produce sex pheromones to attract conspecific males. In our M. brassicae colony, the pheromone blend is composed of Z11-hexadecenyl acetate (Z11-16Ac) and hexadecyl acetate (16Ac) in a 93:7 ratio. A fatty acyl Δ11-desaturase is involved in the production of the main pheromone component. The release of Pheromone Biosynthesis Activating Neuropeptide (PBAN) regulates the pheromone production in the pheromone gland (PG). We cloned a cDNA encoding the MambrΔ11-desaturase and analyzed its expression profile over time in M. brassicae tissues. Transcript levels of the Δ11-desaturase in larvae, pupal PGs, fat body, brain and muscle tissues were <0.1% of that in female PGs, whereas expression in male genitalia was 2%. In the PGs of virgin females the expression level increased continuously from eclosion to the end of the 1st day when it reached a plateau without further significant fluctuation up to the 8th day. In contrast, we recorded a characteristic daily rhythmicity in pheromone production with a maximum around 200ng Z11-16Ac/PG. In some experiments, females were decapitated to prevent PBAN release and thereby inhibit pheromone production, which remarkably increased after treatment with Mamb...Continue Reading

References

May 23, 1995·Proceedings of the National Academy of Sciences of the United States of America·T G KinganD F Hunt
Jul 16, 1999·Insect Biochemistry and Molecular Biology·J A TillmanG J Blomquist
Sep 6, 2002·Insect Biochemistry and Molecular Biology·G HaoW l Roelofs
Jul 24, 2003·Proceedings of the National Academy of Sciences of the United States of America·Wendell L Roelofs, Alejandro P Rooney
Jul 31, 2003·Proceedings of the National Academy of Sciences of the United States of America·Man-Yeon ChoiRussell Jurenka
Mar 12, 2004·Annual Review of Plant Physiology and Plant Molecular Biology·John Shanklin, Edgar B. Cahoon
Jun 3, 2004·Proceedings of the National Academy of Sciences of the United States of America·Ken'ichi MotoShogo Matsumoto
Mar 1, 1989·Proceedings of the National Academy of Sciences of the United States of America·J D TangW L Roelofs
Apr 13, 2007·Archives of Insect Biochemistry and Physiology·H S EltahlawyS P Foster
Oct 9, 2007·Proceedings of the National Academy of Sciences of the United States of America·Montserrat SerraGemma Fabriàs
May 23, 2008·General and Comparative Endocrinology·Ada Rafaeli
Oct 4, 2008·BMC Evolutionary Biology·Marjorie A LiénardChrister Löfstedt
Feb 9, 2010·Bioscience, Biotechnology, and Biochemistry·Shogo Matsumoto
Jan 1, 2011·Frontiers in Endocrinology·Russell Jurenka, Ada Rafaeli
Oct 30, 2012·Journal of Insect Physiology·Guy BlochAda Rafaeli

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