Bacterial effect on sperm motility.
Human semen containing normal number of sperm was exposed to concentrations of Escherichia coli varying from 500 to 10-8 colonies per cubic centimeter.  A significant decrease in motility was abserved at 10-6 colonies per cubic centimeter.
D004926:Escherichia coli; D006801:Humans; D066298:In Vitro Techniques; D008297:Male; D009068:Movement; D013081:Sperm Motility; D013094:Spermatozoa / Q000502:physiology*