Abstract

Pool changes in the orthophosphate and acid soluble and insoluble polyphosphates of Myxococcus coralloides D were determined during the different stages of its life cycle. The acid-insoluble fraction is the major fraction. Polyphosphate was synthesised during vegetative growth in a liquid medium and during aggregation and fruiting body maturation. During the induction and germination of myxospores both types of polyphosphate were depleted, the acid-insoluble fraction during the myxospore induction and the acid-soluble during germination. The orthophosphate pool remained constant or increased during growth in a liquid medium, increased during growth on solid media and myxospore induction and decreased during myxospore germination.

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