CcpA‐mediated repression of Clostridium difficile toxin gene expression

A Antunes, I Martin‐Verstraete… - Molecular …, 2011 - Wiley Online Library
The presence of glucose or other rapidly metabolizable carbon sources in the bacterial
growth medium strongly represses Clostridium difficile toxin synthesis independently of …

CcpA Ensures Optimal Metabolic Fitness of Streptococcus pneumoniae

SM Carvalho, TG Kloosterman, OP Kuipers, AR Neves - PloS one, 2011 - journals.plos.org
In Gram-positive bacteria, the transcriptional regulator CcpA is at the core of catabolite
control mechanisms. In the human pathogen Streptococcus pneumoniae, links between …

Role of glucose and CcpA in capsule expression and virulence of Streptococcus suis

J Willenborg, M Fulde, A De Greeff, M Rohde… - …, 2011 - microbiologyresearch.org
Streptococcus suis is one of the most important pathogens in pigs and is also an emerging
zoonotic agent. After crossing the epithelial barrier, S. suis causes bacteraemia, resulting in …

Polyamine biosynthesis and transport mechanisms are crucial for fitness and pathogenesis of Streptococcus pneumoniae

P Shah, B Nanduri, E Swiatlo, Y Ma… - …, 2011 - microbiologyresearch.org
Polyamines such as cadaverine, putrescine and spermidine are polycationic molecules that
have pleiotropic effects on cells via their interaction with nucleic acids. Streptococcus …

Sialic acid transport contributes to pneumococcal colonization

C Marion, AM Burnaugh, SA Woodiga… - Infection and …, 2011 - Am Soc Microbiol
Streptococcus pneumoniae is a major cause of pneumonia and meningitis. Airway
colonization is a necessary precursor to disease, but little is known about how the bacteria …

Identification of an ATPase, MsmK, which energizes multiple carbohydrate ABC transporters in Streptococcus pneumoniae

C Marion, AE Aten, SA Woodiga, SJ King - Infection and immunity, 2011 - Am Soc Microbiol
Streptococcus pneumoniae is the leading cause of community-acquired pneumonia and
results in over 1 million deaths each year worldwide. Asymptomatic colonization of the …

Impact of glutamine transporters on pneumococcal fitness under infection-related conditions

T Härtel, M Klein, U Koedel, M Rohde… - Infection and …, 2011 - Am Soc Microbiol
The genomic analysis of Streptococcus pneumoniae predicted six putative glutamine uptake
systems, which are expressed under in vitro conditions, as shown here by reverse …

Glucose-Dependent Activation of Bacillus anthracis Toxin Gene Expression and Virulence Requires the Carbon Catabolite Protein CcpA

C Chiang, C Bongiorni, M Perego - Journal of bacteriology, 2011 - Am Soc Microbiol
Sensing environmental conditions is an essential aspect of bacterial physiology and
virulence. In Bacillus anthracis, the causative agent of anthrax, transcription of the two major …

Environmental influences on competitive hydrogen peroxide production in Streptococcus gordonii

L Zheng, A Itzek, Z Chen, J Kreth - Applied and environmental …, 2011 - Am Soc Microbiol
Streptococcus gordonii is an important member of the oral biofilm. One of its phenotypic
traits is the production of hydrogen peroxide (H2O2). H2O2 is an antimicrobial component …

Genetic Regulation of the yefM-yoeB Toxin-Antitoxin Locus of Streptococcus pneumoniae

WT Chan, C Nieto, JA Harikrishna, SK Khoo… - Journal of …, 2011 - Am Soc Microbiol
Type II (proteic) toxin-antitoxin systems (TAS) are ubiquitous among bacteria. In the
chromosome of the pathogenic bacterium Streptococcus pneumoniae, there are at least …