New insights into sperms' swimming skills shed light on male infertility, which affects one in 20 men, and could provide a new avenue to the development of a male contraceptive pill. In a study published in the journal PLoS Genetics, researchers from Monash University, the University of Newcastle, John Curtin School of Medical Research and Garvan Institute of Medical Research, in Australia; and the University of Cambridge, in the UK, have shown how a protein called RABL2 affects the length of sperm tails, crippling their motility (or swimming ability), and decreases sperm production...
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