The nucleotide messenger (p)ppGpp is a co-repressor of the purine synthesis transcription regulator PurR in Firmicutes
B. W. Anderson, M. A. Schumacher, J. Yang, A. Turdiev, H. Turdiev, Q. He, V. T. Lee, R. G. Brennan, J. D. Wang
This study shows (p)ppGpp acts as a co-repressor of PurR in Firmicutes, downregulating purine synthesis by enhancing PurR DNA binding, with implications across environments from the gut to pathogens.
bioRxiv · Dec 2, 2020 · PreprintMicrobiology