Adaptive Divergence in Experimental Populations of Pseudomonas fluorescens. II. Role of the GGDEF Regulator WspR in Evolution and Development of the Wrinkly Spreader Phenotype

From: Genetics | Date: June 1, 2006| Author: Et al; Gehrig, Stefanie M; Kahn, Sophie G; Malone, Jacob G; Goymer, Patrick | Copyright information

ABSTRACT

Wrinkly spreader (WS) genotypes evolve repeatedly in model Pseudomonas populations undergoing adaptive radiation. Previous work identified genes contributing to the evolutionary success of WS. Here we scrutinize the GGDEF response regulator protein WspR and show that it is both necessary and sufficient for WS. Activation of WspR occurs by phosphorylation and different levels of activation generate phenotypic differences among WS genotypes. Five alleles of wspR, each encoding a...

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