Evidence for a putative antennal clock in Mamestra brassicae: molecular cloning and characterization of two clock genes--period and cryptochrome-- in antennae

Insect Molecular Biology
Christine MerlinEmmanuelle Jacquin-Joly

Abstract

Circadian rhythms are generated by endogenous circadian clocks, organized in central and peripheral clocks. An antennal peripheral clock has been demonstrated to be necessary and sufficient to generate Drosophila olfactory rhythms in response to food odours. As moth pheromonal communication has been demonstrated to follow daily rhythms, we thus investigated the occurence of a putative antennal clock in the noctuid Mamestra brassicae. From moth antennae, we isolated two full-length cDNAs encoding clock genes, period and cryptochrome, which appeared to be expressed throughout the body. In the antennae, expression of both transcripts was restricted to cells that likely represent olfactory sensory neurones. Our results suggest the occurence of a putative antennal clock that could participate in the pheromonal communication rhythms observed in vivo.

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Citations

Mar 21, 2009·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Christian Flecke, Monika Stengl
Feb 14, 2012·Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology·Kenji TomiokaTaishi Yoshii
Sep 6, 2007·Cell and Tissue Research·Julia SchuckelMonika Stengl
Dec 26, 2009·Cellular and Molecular Life Sciences : CMLS·Kenji Tomioka, Akira Matsumoto
Mar 18, 2016·Annual Review of Entomology·Christophe GadenneSylvia Anton
Oct 30, 2012·Journal of Insect Physiology·Guy BlochAda Rafaeli
Dec 7, 2007·Journal of Biological Rhythms·Christine MerlinEmmanuelle Jacquin-Joly
Sep 6, 2012·Nature Communications·Erwan PoivetEmmanuelle Jacquin-Joly

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