Cited by 150Neurobiology and Insect Physiology ResearchNeuroendocrine regulation and behaviorAnimal Behavior and Reproduction

A neuropeptide circuit that coordinates sperm transfer and copulation duration in Drosophila

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Tayler, Timothy D., Pacheco, Diego A., Hergarden, Anne C., Murthy, Mala, Anderson, David J.·2012·Proceedings of the National Academy of Sciences

Abstract

Innate behaviors are often executed in concert with accompanying physiological programs. How this coordination is achieved is poorly understood. Mating behavior and the transfer of sperm and seminal fluid (SSFT) provide a model for understanding how concerted behavioral and physiological programs are coordinated. Here we identify a male-specific neural pathway that coordinates the timing of SSFT with the duration of copulation behavior in Drosophila. Silencing four abdominal ganglion (AG) interneurons (INs) that contain the neuropeptide corazonin (Crz) both blocked SSFT and substantially lengthened copulation duration. Activating these Crz INs caused rapid ejaculation in isolated males, a phenotype mimicked by injection of Crz peptide. Crz promotes SSFT by activating serotonergic (5-HT) projection neurons (PNs) that innervate the accessory glands. Activation of these PNs in copulo caused premature SSFT and also shortened copulation duration. However, mating terminated normally when these PNs were silenced, indicating that SSFT is not required for appropriate copulation duration. Thus, the lengthened copulation duration phenotype caused by silencing Crz INs is independent of the block to SSFT. We conclude that four Crz INs independently control SSFT and copulation duration, thereby coupling the timing of these two processes.

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  1. [30]Bairati A. Structure and ultrastructure of the male reproductive system of Drosophila melanogaster Meig. 2. The genital duct and accessory glands. Monit. Zoolog. Ital. 1968;2:105–182. [Google Scholar]

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Authors
Tayler, T. D., Pacheco, D. A., Hergarden, A. C., Murthy, M., & Anderson, D. J.
Affiliations
  • Princeton University (US)
  • California Institute of Technology (US)
Venue
Proceedings of the National Academy of Sciences
Published
2012-11-28
Volume
109
Issue
50
Pages
20697-20702
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2150959561
Cited by
150
References
33
Citations by year
2026: 11 · 2025: 23 · 2024: 13 · 2023: 6 · 2022: 11 · 2021: 16 · 2020: 15 · 2019: 12 · 2018: 9 · 2017: 3 · 2016: 13 · 2015: 7 · 2014: 5 · 2013: 6
FWCI
2.37
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • CaltechAUTHORS (California Institute of Technology) (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institutes of Health (5t32ns007251-22, 5f32ns058132-02)
  • National Institute on Drug Abuse (R01DA031389)
  • National Institute of Neurological Disorders and Stroke (T32 NS-007251, NS007251, F32 NS058132, 5F32NS058132)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Behavior and Reproduction
Keywords
sperm transfer, copulation duration, corazonin, neuropeptides, accessory glands, ejaculation, mating behavior
MeSH terms
Animals, Copulation, Drosophila melanogaster, Ejaculation, Female, Ganglia, Interneurons, Male, Models, Biological, Neuropeptides, Sperm Transport, Genes, Insect, Receptors, Neuropeptide, Drosophila Proteins, Animals, Genetically Modified

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