PII signal transduction superfamily acts as a valve plug to control bicarbonate and ammonia homeostasis among different bacterial phyla
M. Haffner, W.-T. Hou, O. Mantovani, P. R. Walke, K. Hauf, M. Borisova, M. Hagemann, C.-Z. Zhou, K. Forchhammer, K. A. Selim
The paper identifies SbtB as a PII-like protein that acts as a unidirectional valve to control bicarbonate transport via SbtA in cyanobacteria, with similar mechanisms observed in Bacillus for ammonium transport.
bioRxiv · Aug 10, 2023 · PreprintMicrobiology