An example of a protein that mediates the response of many b

An example of a protein that mediates the response of many bacteria to starvation is superoxide dismutase penicillin-binding protein RpoS Mre8

Solution

RpoS.

Under conditions of nutrient deprivation or stress, or as cells enter stationary phase, Escherichia coli and related bacteria increase the accumulation of RpoS, a specialized sigma factor. RpoS-dependent gene expression leads to general stress resistance of cells. During rapid growth, RpoS translation is inhibited and any RpoS protein that is synthesized is rapidly degraded.