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. 2023 Apr 27;14:1132770. doi: 10.3389/fmicb.2023.1132770

Figure 3.

Figure 3

A model for acds gene regulation in nitrogen fixing Mesorhizobium sp. Expression of acds is positively regulated by NIFA2 protein which binds to σ54 and switch on transcription of AcdS gene. Nifa1 is also required in regulation of AcdS but its role is not well-understood.