Arg1 from Cryptococcus neoformans lacks PI3 kinase activity and conveys virulence roles via its IP 3-4 kinase activity

Abstract excerpt

ABSTRACT Inositol tris/tetrakis phosphate kinases (IP 3-4 K) in the human fungal priority pathogens, Cryptococcus neoformans ( Cn Arg1) and Candida albicans ( Ca Ipk2), convey numerous virulence functions, yet it is not known whether the IP 3-4 K catalytic activity or a scaffolding role is responsible. We therefore generated a C. neoformans strain with a non-functional kinase, referred to as the dead-kinase (dk)...

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