SydR, a redox-sensing MarR-type regulator ofSinorhizobium meliloti, is crucial for symbiotic infection ofMedicago truncatularoots
Fanny Nazaret,
Davoud Farajzadeh,
Joffrey Mejias
et al.
Abstract:Rhizobia associate with legumes and induce the formation of nitrogen-fixing nodules. The regulation of bacterial redox state plays a major role in symbiosis and Reactive Oxygen Species (ROS) produced by the plant are known to activate signaling pathways. However, only a few redox-sensing transcriptional regulators (TRs) have been characterized in the microsymbiont. Here, we describe SydR, a novel redox-sensing TR of S. meliloti that is essential for the establishment of symbiosis with Medicago truncatula. SydR… Show more
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