3.1.3.21	additional information	double mutant YA103, devoid of GPP1 and GPP2	685707	
3.1.3.21	additional information	mutants lacking both GPP1 and GPP2 isogenes are devoid of glycerol 3-phosphatase activity and produce only a small amount of glycerol, exhibit strong osmosensitivity, and arrest growth when shifted to anaerobic conditions	652171