It is estimated that one in seven couples will struggle to conceive a baby – indicating just how widespread infertility is, a host of celebrities have recently opened up about their struggle to start a family.
Dr Kim Mitchell and Professor Vance Trudeau, from the University of Ottawa, uncovered new functions that regulate how males and females interact during mating while looking at the effects of gene mutations in the species.Study senior author Professor Trudeau said they were working with scientists from the Institute of Hydrobiology at the Chinese Academy of Sciences in Wuhan when they made the breakthrough.
“We changed the secretogranin-2 genes through specific mutation and found that it affected the ability of females and males to breed. It severely reduced their sexual behaviour.“The fish look normal, but when both sexes are put together, they almost ignore each other. He said: “However, this protein can get chopped up by special enzymes and we found that one small fragment called the secretoneurin peptide is important for stimulating sexual function.
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