Virulence factors of the Mycobacterium tuberculosis complex

MA Forrellad, LI Klepp, A Gioffré, J Sabio y Garcia… - Virulence, 2013 - Taylor & Francis
The Mycobacterium tuberculosis complex (MTBC) consists of closely related species that
cause tuberculosis in both humans and animals. This illness, still today, remains to be one of …

Alternative sigma factors and their roles in bacterial virulence

MJ Kazmierczak, M Wiedmann… - … and Molecular Biology …, 2005 - journals.asm.org
Sigma factors provide promoter recognition specificity to RNA polymerase holoenzyme,
contribute to DNA strand separation, and then dissociate from the core enzyme following …

Sigma factors in Pseudomonas aeruginosa

E Potvin, F Sanschagrin… - FEMS microbiology …, 2008 - academic.oup.com
In Pseudomonas aeruginosa, as in most bacterial species, the expression of genes is tightly
controlled by a repertoire of transcriptional regulators, particularly the so-called sigma (σ) …

The three bacterial lines of defense against antimicrobial agents

G Zhou, QS Shi, XM Huang, XB **e - International journal of molecular …, 2015 - mdpi.com
Antimicrobial agents target a range of extra-and/or intracellular loci from cytoplasmic wall to
membrane, intracellular enzymes and genetic materials. Meanwhile, many resistance …

Elucidation of Sigma Factor-Associated Networks in Pseudomonas aeruginosa Reveals a Modular Architecture with Limited and Function-Specific Crosstalk

S Schulz, D Eckweiler, A Bielecka, T Nicolai… - PLoS …, 2015 - journals.plos.org
Sigma factors are essential global regulators of transcription initiation in bacteria which
confer promoter recognition specificity to the RNA polymerase core enzyme. They provide …

The σ factors of Mycobacterium tuberculosis

S Rodrigue, R Provvedi, PE Jacques… - FEMS microbiology …, 2006 - academic.oup.com
Mycobacterium tuberculosis is a remarkable pathogen capable of adapting and surviving in
various harsh conditions. Correct gene expression regulation is essential for the success of …

Defenses against Oxidative Stress in Neisseria gonorrhoeae: a System Tailored for a Challenging Environment

KL Seib, HJ Wu, SP Kidd, MA Apicella… - Microbiology and …, 2006 - journals.asm.org
Neisseria gonorrhoeae is a host-adapted pathogen that colonizes primarily the human
genitourinary tract. This bacterium encounters reactive oxygen and reactive nitrogen species …

[HTML][HTML] Signaling mechanisms for activation of extracytoplasmic function (ECF) sigma factors

BE Brooks, SK Buchanan - Biochimica et Biophysica Acta (BBA) …, 2008 - Elsevier
A variety of mechanisms are used to signal extracytoplasmic conditions to the cytoplasm.
These mechanisms activate extracytoplasmic function (ECF) sigma factors which recruit …

4-Methylcytosine DNA modification is critical for global epigenetic regulation and virulence in the human pathogen Leptospira interrogans

RA Gaultney, AT Vincent, C Lorioux… - Nucleic Acids …, 2020 - academic.oup.com
In bacteria, DNA methylation can be facilitated by 'orphan'DNA methyltransferases lacking
cognate restriction endonucleases, but whether and how these enzymes control key cellular …

Reduced expression of antigenic proteins MPB70 and MPB83 in Mycobacterium bovis BCG strains due to a start codon mutation in sigK

D Charlet, S Mostowy, D Alexander, L Sit… - Molecular …, 2005 - Wiley Online Library
Summary Mycobacterium bovis Bacille Calmette–Guérin (BCG) strains are genetically and
phenotypically heterogeneous. Expression of the antigenic proteins MPB70 and MPB83 is …