Characterization of the Sexually Dimorphic fruitless Neurons That Regulate Copulation Duration

Male courtship in is a sexually dimorphic innate behavior that is hardwired in the nervous system. Understanding the neural mechanism of courtship behavior requires the anatomical and functional characterization of all the neurons involved. Courtship involves a series of distinctive behavioral patte...

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Published inFrontiers in physiology Vol. 9; p. 780
Main Authors Jois, Shreyas, Chan, Yick Bun, Fernandez, Maria Paz, Leung, Adelaine Kwun-Wai
Format Journal Article
LanguageEnglish
Published Switzerland Frontiers Media S.A 25.06.2018
Subjects
copulation duration
courtship
dopaminergic
Drosophila melanogaster
fruitless
Physiology
serotonergic
fruitless
copulation duration
dopaminergic
courtship
Drosophila melanogaster
serotonergic
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Summary:Male courtship in is a sexually dimorphic innate behavior that is hardwired in the nervous system. Understanding the neural mechanism of courtship behavior requires the anatomical and functional characterization of all the neurons involved. Courtship involves a series of distinctive behavioral patterns, culminating in the final copulation step, where sperms from the male are transferred to the female. The duration of this process is tightly controlled by multiple genes. The ( ) gene is one of the factors that regulate the duration of copulation. Using several intersectional genetic combinations to restrict the labeling of GAL4 lines, we found that a subset of a serotonergic cluster of neurons co-express the dopamine-synthesizing enzyme, tyrosine hydroxylase, and provide behavioral and immunological evidence that these neurons are involved in the regulation of copulation duration.
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This article was submitted to Invertebrate Physiology, a section of the journal Frontiers in Physiology
Reviewed by: Jae Park, University of Tennessee, Knoxville, United States; Andrew C. Mason, University of Toronto Scarborough, Canada; Xiaojing J. Gao, California Institute of Technology, United States
Edited by: Elzbieta M. Pyza, Jagiellonian University, Poland
Co-first authors
ISSN:1664-042X
1664-042X
DOI:10.3389/fphys.2018.00780