The DnaK/DnaJ Chaperone System Enables RNA Polymerase-DksA Complex Formation in Salmonella Experiencing Oxidative Stress

DksA was discovered 30 years ago in a screen for suppressors that reversed the thermosensitivity of Escherichia coli mutant strains deficient in DnaK/DnaJ, raising the possibility that this chaperone system may control DksA function. Since its serendipitous discovery, DksA has emerged as a key activator of the transcriptional program called the stringent response in Gram-negative bacteria experiencing diverse adverse conditions, including nutritional starvation or oxidative stress.

Abstract licence: CC BY

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