regA, a Volvox gene that plays a central role in germ-soma differentiation, encodes a novel regulatory protein

Volvox has two cell types: mortal somatic cells and immortal germ cells. Here we describe the transposon-tagging, cloning and characterization of regA, which plays a central role as a master regulatory gene in Volvox germ-soma differentiation by suppressing reproductive activities in somatic cells....

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