期刊
JOURNAL OF BIOLOGICAL RHYTHMS
卷 27, 期 2, 页码 107-116出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/0748730411434384
关键词
circadian; activity; Drosophila; courtship; olfaction; social interactions
资金
- JNCASR
In the fruit fly Drosophila melanogaster, social interactions especially among heterosexual couples have been shown to have significant impact on the circadian timing system. Olfaction plays a major role in such interactions; however, we do not know yet specifically which receptor(s) are involved. Further, the role of circadian clock neurons in the rhythmic regulation of such sociosexual interactions (SSIs) is not fully understood. Here, we report the results of our study in which we assayed the locomotor activity and sleep-wake behaviors of male-male (MM), female-female (FF), and male-female (MF) couples from several wild-type and mutant strains of Drosophila with an aim to identify specific olfactory receptor(s) and circadian clock neurons involved in the rhythmic regulation of SSI. The results indicate that Or47b receptor neurons are necessary for SSI, as ablation or silencing of these neurons has a severe impact on SSI. Further, the neuropeptide pigment dispersing factor (PDF) and PDF-positive ventral lateral (LNv) clock neurons appear to be dispensable for the regulation of SSI; however, dorsal neurons may be involved.
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