Sensory transduction in bacterial chemotaxis involves phosphotransfer between Che proteins.

D Wylie, A Stock, CY Wong, J Stock - Biochemical and biophysical …, 1988 - europepmc.org
The CheA protein of the Salmonella typhimurium chemotaxis system is phosphorylated by
ATP. Phospho-CheA transfers its phosphoryl group to a second chemotaxis protein, CheY …

Phosphorylation of nitrogen regulator I of Escherichia coli induces strong cooperative binding to DNA essential for activation of transcription.

V Weiss, F Claverie-Martin… - Proceedings of the …, 1992 - National Acad Sciences
We studied the effect of phosphorylation of nitrogen regulator I (NRI) on its binding
properties. Both phosphorylated and unphosphorylated NRI bind linearly to a single binding …

An upstream XylR‐and IHF‐induced nucleoprotein complex regulates the sigma 54‐dependent Pu promoter of TOL plasmid.

V de Lorenzo, M Herrero, M Metzke… - The EMBO Journal, 1991 - embopress.org
Transcription from promoter Pu of the upper catabolic operon of the Pseudomonas putida
TOL plasmid which specifies conversion of toluene/xylenes to benzoate/toluates is activated …

The prokaryotic enhancer binding protein NTRC has an ATPase activity which is phosphorylation and DNA dependent.

S Austin, R Dixon - The EMBO journal, 1992 - embopress.org
The prokaryotic activator protein NTRC binds to enhancer‐like elements and activates
transcription in response to nitrogen limitation by catalysing open complex formation by …

Genome-Scale Mapping of Escherichia coli σ54 Reveals Widespread, Conserved Intragenic Binding

RP Bonocora, C Smith, P Lapierre, JT Wade - PLoS genetics, 2015 - journals.plos.org
Bacterial RNA polymerases must associate with a σ factor to bind promoter DNA and initiate
transcription. There are two families of σ factor: the σ70 family and the σ54 family. Members …

[HTML][HTML] Autophosphorylation and phosphatase activities of the oxygen-sensing protein FixL of Rhizobium meliloti are coordinately regulated by oxygen.

AF Lois, M Weinstein, GS Ditta, DR Helinski - Journal of Biological …, 1993 - Elsevier
The FixL and FixJ proteins of Rhizobium meliloti control the expression of other nif and fix
genes in response to oxygen levels. FixL is a hemoprotein kinase that senses oxygen …

A 3′ UTR-derived small RNA connecting nitrogen and carbon metabolism in enteric bacteria

LR Walling, AB Kouse, SA Shabalina… - Nucleic Acids …, 2022 - academic.oup.com
Increasing numbers of small, regulatory RNAs (sRNAs) corresponding to 3′ untranslated
regions (UTR) are being discovered in bacteria. One such sRNA, denoted GlnZ …

Holoenzyme switching and stochastic release of sigma factors from RNA polymerase in vivo

M Raffaelle, EI Kanin, J Vogt, RR Burgess, AZ Ansari - Molecular cell, 2005 - cell.com
We investigated the binding of E. coli RNA polymerase holoenzymes bearing σ 70, σ S, σ
32, or σ 54 to the ribosomal RNA operons (rrn) in vivo. At the rrn promoter, we observed" …

Glutamine synthetase mRNA releases sRNA from its 3′ UTR to regulate carbon/nitrogen metabolic balance in Enterobacteriaceae

M Miyakoshi, T Morita, A Kobayashi, A Berger… - Elife, 2022 - elifesciences.org
Glutamine synthetase (GS) is the key enzyme of nitrogen assimilation induced under
nitrogen limiting conditions. The carbon skeleton of glutamate and glutamine, 2 …

NifA-dependent in vivo protection demonstrates that the upstream activator sequence of nif promoters is a protein binding site.

E Morett, M Buck - Proceedings of the National Academy of …, 1988 - National Acad Sciences
Primer-extension analysis of the Klebsiella pneumoniae nifH promoter was used to
determine changes in the accessibility of the promoter DNA to methylation after exposure of …