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Seminal fluid is transferred to the females' reproductive tract as part of the ejaculate and contains highly complex molecular machinery that is of central importance for male and female reproductive success. Interspecific studies suggest rapid evolutionary changes in the sequences of some seminal fluid proteins and also highlight the importance of specific seminal fluid proteins for sperm function...
Sperm are exposed to substantially different environments during their life history, such as seminal fluid or the female sexual tract, but remarkably little information is currently available about whether and how much sperm composition and function alters in these different environments. Here, we used the honeybee Apis mellifera and quantified differences in the abundance and activity of sperm proteins...
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