Article
Altered prestarvation response in a nystatin resistant Dictyostelium discoideum mutant.
Differentiation; research in biological diversity - 1 Feb 2001
Colosimo M E, Katz E R
Abstract excerpt
Wild-type Dictyostelium amoebae secrete an autocrine, prestarvation factor (PSF) that allows them to measure the amount of food bacteria compared to their cell density. When the ratio of PSF to bacteria reaches a threshold, the cells are signaled to prepare for eventual starvation. This prestarvation response (PSR) usually starts three to four generations before the end of exponential growth, leading to the...
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