Polymorphisms in the yeast galactose sensor underlie a natural continuum of nutrient-decision phenotypes.

Abstract excerpt

In nature, microbes often need to "decide" which of several available nutrients to utilize, a choice that depends on a cell's inherent preference and external nutrient levels. While natural environments can have mixtures of different nutrients, phenotypic variation in microbes' decisions of which nutrient to utilize is poorly studied. Here, we quantified differences in the concentration of glucose and galactose...

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