The Young Sperm, Poised for Greatness
Monday, May 19, 2014 - 08:31
in Biology & Nature
It was long assumed that the joining of egg and sperm launched a dramatic change in how and which genes were expressed. Instead, new research shows that totipotency is a step-wise process, manifesting as early as in precursors to sperm, called adult germline stem cells (AGSCs), which reside in the testes. The research was published online in the journal Cell Stem Cell.