Structure and mechanism of the hexameric MecA–ClpC molecular machine

F Wang, Z Mei, Y Qi, C Yan, Q Hu, J Wang, Y Shi - Nature, 2011 - nature.com
Regulated proteolysis by ATP-dependent proteases is universal in all living cells. Bacterial
ClpC, a member of the Clp/Hsp100 family of AAA+ proteins (ATPases associated with …

The Staphylococcus aureus Thiol/Oxidative Stress Global Regulator Spx Controls trfA, a Gene Implicated in Cell Wall Antibiotic Resistance

A Jousselin, WL Kelley, C Barras, DP Lew… - Antimicrobial agents …, 2013 - Am Soc Microbiol
ABSTRACT S. aureus combats cell wall antibiotic stress by altered gene expression
mediated by various environmental signal sensors. In this study, we examined the …

Observing selected domains in multi-domain proteins via sortase-mediated ligation and NMR spectroscopy

MA Refaei, A Combs, DJ Kojetin, J Cavanagh… - Journal of biomolecular …, 2011 - Springer
NMR spectroscopy has distinct advantages for providing insight into protein structures, but
faces significant resolution challenges as protein size increases. To alleviate such …

Adaptor protein MecA is a negative regulator of the expression of late competence genes in Streptococcus thermophilus

C Boutry, A Wahl, B Delplace, A Clippe… - Journal of …, 2012 - Am Soc Microbiol
ABSTRACT In Streptococcus thermophilus, the ComRS regulatory system governs the
transcriptional level of comX expression and, hence, controls the early stage of competence …

Structural Dynamics of the MecA-ClpC Complex: A TYPE II AAA+ PROTEIN UNFOLDING MACHINE*♦

J Liu, Z Mei, N Li, Y Qi, Y Xu, Y Shi, F Wang… - Journal of Biological …, 2013 - ASBMB
The MecA-ClpC complex is a bacterial type II AAA+ molecular machine responsible for
regulated unfolding of substrates, such as transcription factors ComK and ComS, and …

Control of Natural Transformation in Salivarius Streptococci through Specific Degradation of σX by the MecA-ClpCP Protease Complex

A Wahl, F Servais, AS Drucbert, C Foulon… - Journal of …, 2014 - Am Soc Microbiol
Competence for natural DNA transformation is a tightly controlled developmental process in
streptococci. In mutans and salivarius species, the abundance of the central competence …

Molecular determinants of MecA as a degradation tag for the ClpCP protease

Z Mei, F Wang, Y Qi, Z Zhou, Q Hu, H Li, J Wu… - Journal of Biological …, 2009 - ASBMB
Regulated proteolysis by ATP-dependent proteases is universal in all living cells. In Bacillus
subtilis, the degradation of the competence transcription factor ComK is mediated by a …

Combined proteomic and transcriptomic analysis of the response of Bacillus anthracis to oxidative stress

S Pohl, WY Tu, PD Aldridge, C Gillespie, H Hahne… - …, 2011 - Wiley Online Library
The endospore‐forming Gram‐positive pathogen Bacillus anthracis is responsible for the
usually fatal disease, inhalational anthrax. The success of this pathogen is dependent on its …

ClpC and MecA, components of a proteolytic machine, prevent Spo0A‐P‐dependent transcription without degradation

AW Tanner, VJ Carabetta, D Dubnau - Molecular microbiology, 2018 - Wiley Online Library
In Bacillus subtilis, a proteolytic machine composed of MecA, ClpC and ClpP degrades the
transcription factor ComK, controlling its accumulation during growth. MecA also inhibits …

The role of ClpC and its adaptor proteins in protein quality control systems of Bacillus subtilis

RM Alver - 2020 - repo.uni-hannover.de
Efficient protein quality control (PQC) systems are crucial in bacterial cells since they support
adjustments of regulatory processes under changing environmental conditions and are …