**__Related stories:__*** linkurl:Slow sperm prevent inbreeding;http://www.the-scientist.com/news/display/57919/
[12th January 2011]*linkurl:Sperm motility secrets revealed;http://www.the-scientist.com/news/display/57133/
[4th February 2010]
**__Related F1000 Evaluations:__***linkurl:A sperm ion channel required for sperm motility and male fertility;http://f1000.com/1002013?key=lf95w3rl16j24d9
D. Ren et al., Nature, 413:603-9, 2001. Evaluated Anthony Means, Duke Univ Medical Center; Roger Hardie, Univ of Cambridge; Gary Yellen, Harvard Medical School *linkurl:Association of Catsper1 or -2 with Ca(v)3.3 leads to suppression of T-type calcium channel activity;http://f1000.com/1032672?key=73nbzllkh1q4tsm
D. Zhang et al., J Biol Chem, 281:22332-41, 2006. Evaluated by Harvey Florman, Univ of Massachusetts Medical School.