In mammals,FIGLA(factor in the germ line,alpha),encoding a germ cell-specific transcription factor,was a central regulator of oocyte-specific genes and play
Piwi controls the number of primordial germ cells (PGCs) via protecting maternal mRNA from decay and adult germ stem cell division in Drosophila.In mouse an
Loach is a facultative air-breather.To obtain air,loach swim vertically from the bottom to water surface.Vertical swimming is relatively uncommon in fish an