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 …

Targeting the Achilles' heel of bacteria: different mechanisms to break down the peptidoglycan cell wall during bacterial warfare

S Sibinelli-Sousa, JT Hespanhol… - Journal of …, 2021 - Am Soc Microbiol
Bacteria commonly live in dense polymicrobial communities and compete for scarce
resources. Consequently, they employ a diverse array of mechanisms to harm, inhibit, and …

VxrB influences antagonism within biofilms by controlling competition through extracellular matrix production and type 6 secretion

JK Teschler, E Jiménez-Siebert, H Jeckel, PK Singh… - MBio, 2022 - Am Soc Microbiol
The human pathogen Vibrio cholerae grows as biofilms, communities of cells encased in an
extracellular matrix. When growing in biofilms, cells compete for resources and space. One …

The type VI secretion system of the emerging pathogen Stenotrophomonas maltophilia complex has antibacterial properties

CV Crisan, D Van Tyne, JB Goldberg - Msphere, 2023 - Am Soc Microbiol
Antagonistic behaviors between bacterial cells can have profound effects on microbial
populations and disease outcomes. Polymicrobial interactions may be mediated by contact …

Multiple T6SSs, mobile auxiliary modules, and effectors revealed in a systematic analysis of the Vibrio parahaemolyticus pan-genome

B Jana, K Keppel, CM Fridman, E Bosis, D Salomon - Msystems, 2022 - Am Soc Microbiol
Type VI secretion systems (T6SSs) play a major role in interbacterial competition and in
bacterial interactions with eukaryotic cells. The distribution of T6SSs and the effectors they …

A putative lipoprotein mediates cell-cell contact for type VI secretion system-dependent killing of specific competitors

L Speare, M Woo, AK Dunn, AN Septer - MBio, 2022 - Am Soc Microbiol
Interbacterial competition is prevalent in host-associated microbiota, where it can shape
community structure and function, impacting host health in both positive and negative ways …

Type 1 fimbriae-mediated collective protection against type 6 secretion system attacks

MM Dessartine, A Kosta, T Doan, É Cascales, JP Côté - Mbio, 2024 - Am Soc Microbiol
Bacterial competition may rely on secretion systems such as the type 6 secretion system
(T6SS), which punctures and releases toxic molecules into neighboring cells. To subsist …

Engineered type six secretion systems deliver active exogenous effectors and cre recombinase

SJ Hersch, L Lam, TG Dong - MBio, 2021 - Am Soc Microbiol
Genetic editing has revolutionized biotechnology, but delivery of endonuclease genes as
DNA can lead to aberrant integration or overexpression, leading to off-target effects. Here …

Antibacterial potential of Stenotrophomonas maltophilia complex cystic fibrosis isolates

CV Crisan, ML Pettis, JB Goldberg - Msphere, 2024 - journals.asm.org
Over 160,000 people worldwide suffer from cystic fibrosis (CF), a genetic condition that
causes mucus to accumulate in internal organs. Lung decline is a significant health burden …

Characterization of lysozyme-like effector TseP reveals the dependence of type VI secretion system (T6SS) secretion on effectors in Aeromonas dhakensis strain SSU

X Liang, TT Pei, ZH Wang, W **ong… - Applied and …, 2021 - Am Soc Microbiol
The type VI secretion system (T6SS) is a widespread weapon employed by Gram-negative
bacteria for interspecies interaction in complex communities. Analogous to a contractile …