The two-component regulatory system CenK–CenR regulates expression of a previously uncharacterized protein required for salinity and oxidative stress tolerance in Sinorhizobium meliloti

Eukene O. Bensig1, Cecilio Valadez-Cano2, ZiYu Kuang2, Isabela R. Freire2, Adrian Reyes-Prieto2 and Shawn R. MacLellan2* Genes of unknown function constitute a considerable fraction of most bacterial genomes. In a Tn5-based search for stress response genes in the...