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- W2896541571 abstract "Fixed (reduced) soil nitrogen plays a critical role in soil fertility and successful food growth. Much soil fertility relies on symbiotic nitrogen fixation: the bacterial partner infects the host plant roots and reduces atmospheric dinitrogen in exchange for host metabolic fuel, a process that involves complex interactions between the partners mediated by changes in gene expression in each partner. Here we test the roles of a family of 11 extracytoplasmic function (ECF) gene regulatory proteins (sigma factors [σs]) that interact with RNA polymerase to determine if they play a significant role in establishing a nitrogen-fixing symbiosis or in responding to various stresses, including cell envelope stress. We discovered that symbiotic nitrogen fixation occurs even when all 11 of these regulatory genes are deleted, that most ECF sigma factors control accessory functions, and that none of the ECF sigma factors are required to survive envelope stress." @default.
- W2896541571 created "2018-10-26" @default.
- W2896541571 creator A5010113901 @default.
- W2896541571 creator A5029050593 @default.
- W2896541571 creator A5051304996 @default.
- W2896541571 creator A5057705231 @default.
- W2896541571 creator A5060905194 @default.
- W2896541571 creator A5072078734 @default.
- W2896541571 date "2018-10-31" @default.
- W2896541571 modified "2023-10-16" @default.
- W2896541571 title "Most <i>Sinorhizobium meliloti</i> Extracytoplasmic Function Sigma Factors Control Accessory Functions" @default.
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