Transcriptional responses to ppGpp and DksA

RL Gourse, AY Chen, S Gopalkrishnan… - Annual review of …, 2018 - annualreviews.org
The stringent response to nutrient deprivation is a stress response found throughout the
bacterial domain of life. Although first described in proteobacteria for matching ribosome …

rRNA Transcription in Escherichia coli

BJ Paul, W Ross, T Gaal, RL Gourse - Annu. Rev. Genet., 2004 - annualreviews.org
▪ Abstract Ribosomal RNA transcription is the rate-limiting step in ribosome synthesis in
bacteria and has been investigated intensely for over half a century. Multiple mechanisms …

Genome-wide effects on Escherichia coli transcription from ppGpp binding to its two sites on RNA polymerase

P Sanchez-Vazquez, CN Dewey… - Proceedings of the …, 2019 - National Acad Sciences
The second messenger nucleotide ppGpp dramatically alters gene expression in bacteria to
adjust cellular metabolism to nutrient availability. ppGpp binds to two sites on RNA …

[HTML][HTML] DksA: a critical component of the transcription initiation machinery that potentiates the regulation of rRNA promoters by ppGpp and the initiating NTP

BJ Paul, MM Barker, W Ross, DA Schneider, C Webb… - Cell, 2004 - cell.com
Ribosomal RNA (rRNA) transcription is regulated primarily at the level of initiation from rRNA
promoters. The unusual kinetic properties of these promoters result in their specific …

DksA potentiates direct activation of amino acid promoters by ppGpp

BJ Paul, MB Berkmen… - Proceedings of the …, 2005 - National Acad Sciences
Amino acid starvation in Escherichia coli results in a spectrum of changes in gene
expression, including inhibition of rRNA and tRNA promoters and activation of certain …

An alternative strategy for bacterial ribosome synthesis: Bacillus subtilis rRNA transcription regulation

L Krásný, RL Gourse - The EMBO journal, 2004 - embopress.org
As an approach to the study of rRNA synthesis in Gram‐positive bacteria, we characterized
the regulation of the Bacillus subtilis rrnB and rrnO rRNA promoters. We conclude that B …

Physiology of mycobacteria

GM Cook, M Berney, S Gebhard, M Heinemann… - Advances in microbial …, 2009 - Elsevier
Mycobacterium tuberculosis is a prototrophic, metabolically flexible bacterium that has
achieved a spread in the human population that is unmatched by any other bacterial …

[HTML][HTML] rRNA promoter regulation by nonoptimal binding of σ region 1.2: an additional recognition element for RNA polymerase

SP Haugen, MB Berkmen, W Ross, T Gaal, C Ward… - Cell, 2006 - cell.com
Regulation of transcription initiation is generally attributable to activator/repressor proteins
that bind to specific DNA sequences. However, regulators can also achieve specificity by …

6S RNA function enhances long-term cell survival

AE Trotochaud, KM Wassarman - Journal of bacteriology, 2004 - Am Soc Microbiol
ABSTRACT 6S RNA was identified in Escherichia coli> 30 years ago, but the physiological
role of this RNA has remained elusive. Here, we demonstrate that 6S RNA-deficient cells are …

rRNA Promoter Activity in the Fast-Growing Bacterium Vibrio natriegens

SE Aiyar, T Gaal, RL Gourse - Journal of bacteriology, 2002 - Am Soc Microbiol
The bacterium Vibrio natriegens can double with a generation time of less than 10 min (RG
Eagon, J. Bacteriol. 83: 736-737, 1962), a growth rate that requires an extremely high rate of …