Robert Ziqin Ye

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The stringent response effector, guanosine tetraphosphate (ppGpp), adjust gene expression and physiology in bacteria, by affecting the activity of various promoters. RNA polymerase-interacting protein, DksA, was proposed to be the co-factor of ppGpp effects; however, there are reports suggesting independent roles of these regulators. Bacteriophage lambda(More)
Previously published reports indicated that some enzymes of the central carbon metabolism (CCM), particularly those involved in glycolysis and the tricarboxylic acid cycle, may contribute to regulation of DNA replication. However, vast majority of such works was performed with the use of cancer cells, in the light of carcinogenesis. On the other hand,(More)
Poly(A) polymerase I (PAP I), encoded by the pcnB gene, is a major enzyme responsible for RNA polyadenylation in Escherichia coli, a process involved in the global control of gene expression in this bacterium through influencing the rate of transcript degradation. Recent studies have suggested a complicated regulation of pcnB expression, including a complex(More)
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