Experts and Doctors on photosynthesis in Houston, Texas, United States
Locale: Houston, Texas, United States
Eraso J, Kaplan S. Oxygen-insensitive synthesis of the photosynthetic membranes of Rhodobacter sphaeroides: a mutant histidine kinase. J Bacteriol. 1995;177:2695-706 pubmed
..The genetic organization of the photosynthesis response regulatory (PRR) region is discussed. ..
O Gara J, Kaplan S. Evidence for the role of redox carriers in photosynthesis gene expression and carotenoid biosynthesis in Rhodobacter sphaeroides 2.4.1. J Bacteriol. 1997;179:1951-61 pubmed
..Potential regulators interacting with an aberrant redox signal in the mutants and the possible nature of such a redox signal are discussed. ..
Eraso J, Kaplan S. prrA, a putative response regulator involved in oxygen regulation of photosynthesis gene expression in Rhodobacter sphaeroides. J Bacteriol. 1994;176:32-43 pubmed
..Kaplan, J. Bacteriol. 174:1146-1157, 1992) of the puc operon regulatory region. Finally, two spontaneous prrA mutations that abolish prrA function by changing amino acids in the amino-terminal domain of the protein were isolated. ..
Gomelsky M, Horne I, Lee H, Pemberton J, McEwan A, Kaplan S. Domain structure, oligomeric state, and mutational analysis of PpsR, the Rhodobacter sphaeroides repressor of photosystem gene expression. J Bacteriol. 2000;182:2253-61 pubmed
..This model may prove useful for determining the mode of PpsR action...
Oh J, Ko I, Kaplan S. Digging deeper: uncovering genetic loci which modulate photosynthesis gene expression in Rhodobacter sphaeroides 2.4.1. Microbiology. 2003;149:949-60 pubmed
Eraso J, Kaplan S. Regulation of gene expression by PrrA in Rhodobacter sphaeroides 2.4.1: role of polyamines and DNA topology. J Bacteriol. 2009;191:4341-52 pubmed publisher
..We propose that polyamines and DNA supercoiling act synergistically to regulate expression of the RSP3361 gene, partly by affecting the affinity of PrrA binding to the PrrA site 2 within the RSP3361 gene...