title: Regulation of potassium-dependent Kdp-ATPase expression in the nitrogen-fixing cyanobacterium Anabaena torulosa.
abstract: The KdpB polypeptides in the cyanobacterium Anabaena torulosa were shown to be two membrane-bound proteins of about 78 kDa, expressed strictly under K(+) deficiency and repressed or degraded upon readdition of K(+). In both Anabaena and Escherichia coli strain MC4100, osmotic and ionic stresses caused no significant induction of steady-state KdpB levels during extreme potassium starvation.
authors.affiliation: Cell Biology Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400 085, India.
authors.forename: A
authors.initials: A
authors.lastname: Alahari
authors.forename: A
authors.initials: A
authors.lastname: Ballal
authors.forename: S K
authors.initials: SK
authors.lastname: Apte
mesh_terms: D000251:Adenosine Triphosphatases / Q000235:genetics / Q000378:metabolism*; D017033:Anabaena / Q000201:enzymology* / Q000235:genetics / Q000254:growth & development; D002352:Carrier Proteins / Q000235:genetics / Q000378:metabolism*; D027682:Cation Transport Proteins; D003470:Culture Media; D029968:Escherichia coli Proteins; D015964:Gene Expression Regulation, Bacterial; D009584:Nitrogen / Q000378:metabolism; D009586:Nitrogen Fixation; D011188:Potassium / Q000494:pharmacology*
chemical_list: D002352:Carrier Proteins; D027682:Cation Transport Proteins; D003470:Culture Media; D029968:Escherichia coli Proteins; D000251:Adenosine Triphosphatases; C058166:potassium translocating Kdp-ATPase, E coli; D009584:Nitrogen; D011188:Potassium