Peptidoglycan NlpC/P60 peptidases in bacterial physiology and host interactions

ME Griffin, S Klupt, J Espinosa, HC Hang - Cell chemical biology, 2023 - cell.com
The bacterial cell wall is composed of a highly crosslinked matrix of glycopeptide polymers
known as peptidoglycan that dictates bacterial cell morphology and protects against …

Novel bacteriophage lysin with broad lytic activity protects against mixed infection by Streptococcus pyogenes and methicillin-resistant Staphylococcus aureus

DB Gilmer, JE Schmitz, CW Euler… - Antimicrobial agents and …, 2013 - journals.asm.org
Methicillin-resistant Staphylococcus aureus (MRSA) and Streptococcus pyogenes (group A
streptococcus [GrAS]) cause serious and sometimes fatal human diseases. They are among …

Functional metagenomic discovery of bacterial effectors in the human microbiome and isolation of commendamide, a GPCR G2A/132 agonist

LJ Cohen, HS Kang, J Chu, YH Huang… - Proceedings of the …, 2015 - pnas.org
The trillions of bacteria that make up the human microbiome are believed to encode
functions that are important to human health; however, little is known about the specific …

Bacterial peptidoglycan recycling

MC Gilmore, F Cava - Trends in Microbiology, 2024 - cell.com
During growth and division, the bacterial cell wall is remodeled, resulting in the liberation of
peptidoglycan (PG) fragments which are typically reinternalized and recycled. Recycling of …

Enterococcus faecium secreted antigen A generates muropeptides to enhance host immunity and limit bacterial pathogenesis

B Kim, YC Wang, CW Hespen, J Espinosa, J Salje… - Elife, 2019 - elifesciences.org
We discovered that Enterococcus faecium (E. faecium), a ubiquitous commensal bacterium,
and its secreted peptidoglycan hydrolase (SagA) were sufficient to enhance intestinal barrier …

Structure of a peptidoglycan amidase effector targeted to Gram-negative bacteria by the type VI secretion system

S Chou, NK Bui, AB Russell, KW Lexa, TE Gardiner… - Cell reports, 2012 - cell.com
The target range of a bacterial secretion system can be defined by effector substrate
specificity or by the efficacy of effector delivery. Here, we report the crystal structure of Tse1 …

Identification and distribution of new candidate T6SS effectors encoded in Salmonella Pathogenicity Island 6

CJ Blondel, FA Amaya, P Bustamante… - Frontiers in …, 2023 - frontiersin.org
The type VI secretion system (T6SS) is a contact-dependent contractile multiprotein
apparatus widely distributed in Gram-negative bacteria. These systems can deliver different …

Crystal structure of the lytic CHAPK domain of the endolysin LysK from Staphylococcus aureus bacteriophage K

M Sanz-Gaitero, R Keary, C Garcia-Doval, A Coffey… - Virology journal, 2014 - Springer
Background Bacteriophages encode endolysins to lyse their host cell and allow escape of
their progeny. Endolysins are also active against Gram-positive bacteria when applied from …

[HTML][HTML] Structure of the type VI effector-immunity complex (Tae4-Tai4) provides novel insights into the inhibition mechanism of the effector by its immunity protein

H Zhang, ZQ Gao, WJ Wang, GF Liu, JH Xu… - Journal of Biological …, 2013 - Elsevier
The type VI secretion system (T6SS), a multisubunit needle-like apparatus, has recently
been found to play a role in interspecies interactions. The Gram-negative bacteria harboring …

Peptidoglycan remodeling in Mycobacterium tuberculosis: comparison of structures and catalytic activities of RipA and RipB

D Böth, G Schneider, R Schnell - Journal of molecular biology, 2011 - Elsevier
The success of Mycobacterium tuberculosis in sustaining long-term survival within the host
macrophages partly relies on its unique cell envelop that also confers low susceptibility to …