Two-component signaling circuit structure and properties

M Goulian - Current opinion in microbiology, 2010 - Elsevier
Various modeling and experimental studies have analyzed the reactions, interconnections,
and motifs in two-component systems, with an eye toward understanding their physiological …

The two faces of Janus: virulence gene regulation by CovR/S in group A streptococci

G Churchward - Molecular microbiology, 2007 - Wiley Online Library
The group A streptococcus (GAS) causes a variety of human diseases, including toxic shock
syndrome and necrotizing fasciitis, which are both associated with significant mortality. Even …

Regulation of CovR expression in Group B Streptococcus impacts blood–brain barrier penetration

A Lembo, MA Gurney, K Burnside… - Molecular …, 2010 - Wiley Online Library
Summary Group B Streptococcus (GBS) is an important cause of invasive infections in
humans. The pathogen encodes a number of virulence factors including the pluripotent β …

Regulation of cytotoxin expression by converging eukaryotic‐type and two‐component signalling mechanisms in Streptococcus agalactiae

L Rajagopal, A Vo, A Silvestroni… - Molecular …, 2006 - Wiley Online Library
Signal transducing mechanisms are essential for regulation of gene expression in both
prokaryotic and eukaryotic organisms. Regulation of gene expression in eukaryotes is …

New understandings in Streptococcus pyogenes

NN Lynskey, RA Lawrenson… - Current opinion in …, 2011 - journals.lww.com
Advances in molecular technology have furthered our understanding of virulence factors that
underpin group A streptococcus invasiveness. The increased prevalence of invasive …

Linking the nutritional status of Streptococcus pyogenes to alteration of transcriptional gene expression: the action of CodY and RelA

H Malke, K Steiner, WM McShan, JJ Ferretti - International Journal of …, 2006 - Elsevier
In this investigation, we identify the CodY protein from Streptococcus pyogenes as a
pleiotropic transcription regulator with global features. The notion that acquisition of nutrients …

Threonine phosphorylation prevents promoter DNA binding of the Group B Streptococcus response regulator CovR

WJ Lin, D Walthers, JE Connelly… - Molecular …, 2009 - Wiley Online Library
All living organisms communicate with the external environment for their survival and
existence. In prokaryotes, communication is achieved by two‐component systems (TCS) …

Regulation of the Glucosyltransferase (gtfBC) Operon by CovR in Streptococcus mutans

S Biswas, I Biswas - Journal of bacteriology, 2006 - Am Soc Microbiol
Streptococcus mutans is an important etiological agent of dental caries in humans. The
extracellular polysaccharides synthesized by cell-associated glucosyltransferases (encoded …

Dual-site phosphorylation of the control of virulence regulator impacts group a streptococcal global gene expression and pathogenesis

N Horstmann, M Saldaña, P Sahasrabhojane… - PLoS …, 2014 - journals.plos.org
Phosphorylation relays are a major mechanism by which bacteria alter transcription in
response to environmental signals, but understanding of the functional consequences of …

RivR and the small RNA RivX: the missing links between the CovR regulatory cascade and the Mga regulon

SA Roberts, JR Scott - Molecular microbiology, 2007 - Wiley Online Library
The CovR/S two‐component system regulates the transcription of many genes that are
crucial for the virulence of Streptococcus pyogenes (group A Streptococcus, GAS) …