Long-term interaction between Drosophila sperm and sex peptide is mediated by other seminal proteins that bind only transiently to sperm.
作者： Akanksha Singh , Norene A. Buehner , He Lin , Kaitlyn J. Baranowski , Geoffrey D. Findlay
DOI: 10.1016/J.IBMB.2018.09.004
关键词:
摘要: Abstract Seminal fluid proteins elicit several post-mating physiological changes in mated Drosophila melanogaster females. Some of these persist for over a week after mating because the seminal protein that causes changes, Sex Peptide (SP), binds to sperm are stored female reproductive tract. SP's binding is mediated by network at least eight proteins. We show here some (CG1656, CG1652, CG9997 and Antares) bind within 2 h mating, like SP. However, while SP remains bound 4 days post-mating, none other detectable this time. also observed same receptacle tissue from which have been removed, but no longer there suggesting short-term retention storage organ. Our results suggest act transiently facilitate conditions sperm, perhaps modifying or surface, not part long-acting complex stably attaches sperm.
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