Repression of Rgg But Not Upregulation of LacD.1 in emm1-type covS Mutant Mediates the SpeB Repression in Group A Streptococcus

C Chiang-Ni, TP Chu, JJ Wu, CH Chiu - Frontiers in Microbiology, 2016 - frontiersin.org
CovR/CovS is an important two-component regulatory system in human pathogen group A
Streptococcus (GAS). Epidemiological studies have shown that inactivation of the sensor …

Group A streptococcal growth phase‐associated virulence factor regulation by a novel operon (Fas) with homologies to two‐component‐type regulators requires a …

B Kreikemeyer, MDP Boyle, BA Buttaro… - Molecular …, 2001 - Wiley Online Library
A novel growth phase‐associated two‐component‐type regulator, Fas (f
ibronectin/fibrinogen binding/haemolytic a ctivity/s treptokinase regulator), of Streptococcus …

Cloning and expression of the multiple sugar metabolism (msm) operon of Streptococcus mutans in heterologous streptococcal hosts

L Tao, IC Sutcliffe, RR Russell, JJ Ferretti - Infection and immunity, 1993 - Am Soc Microbiol
The multiple sugar metabolism (msm) operon of Streptococcus mutans is responsible for the
uptake and metabolism of a variety of sugars. In order to further characterize the substrate …

Redox sensing modulates the activity of the ComE response regulator of Streptococcus mutans

HPS Dhaked, L Cao, I Biswas - Journal of Bacteriology, 2021 - Am Soc Microbiol
Streptococcus mutans, a dental pathogen, encodes the ComDE two-component system
comprised of a histidine kinase (ComD) and a response regulator (ComE). This system is …

Regulation of the β-hemolysin gene cluster of Streptococcus anginosus by CcpA

R Bauer, S Mauerer, B Spellerberg - Scientific reports, 2018 - nature.com
Streptococcus anginosus is increasingly recognized as an opportunistic pathogen.
However, our knowledge about virulence determinants in this species is scarce. One …

Escape from the competence state in Streptococcus mutans is governed by the bacterial population density

D Dufour, C Villemin, JA Perry… - Molecular oral …, 2016 - Wiley Online Library
Horizontal gene transfer through natural DNA transformation is an important evolutionary
mechanism among bacteria. Transformation requires that the bacteria are physiologically …

The carbon catabolite repressor CcpA mediates optimal competence development in Streptococcus oligofermentans through post‐transcriptional regulation

X Wang, J Cai, N Shang, L Zhu, N Shao… - Molecular …, 2019 - Wiley Online Library
Natural transformation increases the genetic diversity of bacteria, but is costly and must be
strictly controlled. We previously found that deletion of ccpA, a key regulator of carbon …

DivIVA Interacts with the Cell Wall Hydrolase MltG To Regulate Peptidoglycan Synthesis in Streptococcus suis

Q Jiang, B Li, L Zhang, T Li, Q Hu, H Li… - Microbiology …, 2023 - Am Soc Microbiol
Bacterial morphology is largely determined by the spatial and temporal regulation of
peptidoglycan (PG) biosynthesis. Ovococci possess a unique pattern of PG synthesis …

A Novel Pheromone Quorum-Sensing System Controls the Development of Natural Competence in Streptococcus thermophilus and Streptococcus salivarius

L Fontaine, C Boutry, MH de Frahan… - Journal of …, 2010 - Am Soc Microbiol
In streptococcal species, the key step of competence development is the transcriptional
induction of comX, which encodes the alternative sigma factor σX, which positively regulates …

Trigger Factor in Streptococcus mutans Is Involved in Stress Tolerance, Competence Development, and Biofilm Formation

ZT Wen, P Suntharaligham, DG Cvitkovitch… - Infection and …, 2005 - Am Soc Microbiol
Trigger factor is a ribosome-associated peptidyl-prolyl cis/trans isomerase that is highly
conserved in most bacteria. A gene, designated ropA, encoding an apparent trigger factor …