Dickeya manipulates multiple quorum sensing systems to control virulence and collective behaviors

F Liu, M Hu, Z Zhang, Y Xue, S Chen, A Hu… - Frontiers in Plant …, 2022 - frontiersin.org
Soft rot Pectobacteriaceae (SRP), typical of Pectobacterium and Dickeya, are a class of
Gram-negative bacterial pathogens that cause devastating diseases on a wide range of …

Ohr–OhrR, a neglected and highly efficient antioxidant system: Structure, catalysis, phylogeny, regulation, and physiological roles

DA Meireles, JF da Silva Neto, RM Domingos… - Free Radical Biology …, 2022 - Elsevier
Ohrs (organic hydroperoxide resistance proteins) are antioxidant enzymes that play central
roles in the response of microorganisms to organic peroxides. Here, we describe recent …

Genomic and phenotypic biology of a novel Dickeya zeae WH1 isolated from rice in China: Insights into pathogenicity and virulence factors

XJ Tan, ZW Zhang, JJ Xiao, W Wang, F He… - Frontiers in …, 2022 - frontiersin.org
Soft rot caused by Dickeya zeae is an important bacterial disease affecting rice and other
plants worldwide. In this study, Nanopore and Illumina sequencing platforms were used to …

Thiol-Based Modification of MarR Protein VnrR Regulates Resistance Toward Nitrofuran in Vibrio cholerae By Promoting the Expression of a Novel Nitroreductase …

X Yang, M Qian, Y Wang, Z Qin, M Luo… - Antioxidants & Redox …, 2023 - liebertpub.com
Aims: Epidemiological investigations have indicated low resistance toward nitrofuran in
clinical isolates, suggesting its potential application in the treatment of multidrug-resistant …

Gram-negative bacteria resist antimicrobial agents by a DzrR-mediated envelope stress response

Z Liang, Q Lin, Q Wang, L Huang, H Liu, Z Shi, Z Cui… - BMC biology, 2023 - Springer
Abstract Background Envelope stress responses (ESRs) are critical for adaptive resistance
of Gram-negative bacteria to envelope-targeting antimicrobial agents. However, ESRs are …

Characterization of the Arn lipopolysaccharide modification system essential for zeamine resistance unveils its new roles in Dickeya oryzae physiology and virulence

Z Liang, L Huang, H Liu, Y Zheng, J Feng… - Molecular Plant …, 2023 - Wiley Online Library
The zeamines produced by Dickeya oryzae are potent polyamine antibiotics and phytotoxins
that are essential for bacterial virulence. We recently showed that the RND efflux pump …

Two-component system ArcBA modulates cell motility and biofilm formation in Dickeya oryzae

M Lv, S Ye, M Hu, Y Xue, Z Liang, X Zhou… - Frontiers in Plant …, 2022 - frontiersin.org
Phytopathogen Dickeya oryzae is a causal agent of rice foot rot disease and the pathogen
has an array of virulence factors, such as phytotoxin zeamines, plant cell wall degrading …

[PDF][PDF] Gram-negative bacteria resist antimicrobial agents by a DzrR-mediated envelope stress

Z Liang, Q Lin, Q Wang, L Huang, H Liu, Z Shi, Z Cui… - 2023 - bmcbiol.biomedcentral.com
Abstract Background Envelope stress responses (ESRs) are critical for adaptive resistance
of Gram‑negative bacteria to envelope‑targeting antimicrobial agents. However, ESRs are …

MarR Family Transcriptional Regulators and Their Roles in Plant-Interacting Bacteria

F Nazaret, G Alloing, K Mandon, P Frendo - Microorganisms, 2023 - mdpi.com
The relationship between plants and associated soil microorganisms plays a major role in
ecosystem functioning. Plant–bacteria interactions involve complex signaling pathways …