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 …

A substrate-activated efflux pump, DesABC, confers zeamine resistance to Dickeya zeae

Z Liang, L Huang, F He, X Zhou, Z Shi, J Zhou, Y Chen… - MBio, 2019 - Am Soc Microbiol
Zeamines are a family of polyamino phytotoxins produced by Dickeya zeae EC1. These
phytotoxins are also potent antibiotics against a range of microorganisms. To understand …

A two‐component regulatory system VfmIH modulates multiple virulence traits in Dickeya zeae

M Lv, M Hu, P Li, Z Jiang, LH Zhang… - Molecular …, 2019 - Wiley Online Library
Bacterial pathogen Dickeya zeae strain EC1 produces antibiotics‐like phytotoxins called
zeamines, which are major virulence determinants encoded by the zms gene cluster. In this …

OhrR is a central transcriptional regulator of virulence in Dickeya zeae

M Lv, Y Chen, M Hu, Q Yu, C Duan, S Ye… - Molecular Plant …, 2022 - Wiley Online Library
Dickeya zeae is the causal agent of rice foot rot disease. The pathogen is known to rely on a
range of virulence factors, including phytotoxin zeamines, extracellular enzymes, cell …

[HTML][HTML] 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 …

[HTML][HTML] Putrescine Is an Intraspecies and Interkingdom Cell-Cell Communication Signal Modulating the Virulence of Dickeya zeae

Z Shi, Q Wang, Y Li, Z Liang, L Xu, J Zhou… - Frontiers in …, 2019 - frontiersin.org
The infections caused by Dickeya zeae become a severe problem in recent years, but the
regulatory mechanisms that govern the bacterial virulence remain to be fragmental. Here we …

SlyA regulates phytotoxin production and virulence in Dickeya zeae EC1

JN Zhou, HB Zhang, MF Lv, YF Chen… - Molecular Plant …, 2016 - Wiley Online Library
Dickeya zeae is a causal agent of rice root rot disease. The pathogen is known to produce a
range of virulence factors, including phytotoxic zeamines and extracellular enzymes, but the …

[HTML][HTML] Hfq Is a Critical Modulator of Pathogenicity of Dickeya oryzae in Rice Seeds and Potato Tubers

Z Shi, Q Wang, S Wang, C Wang, LH Zhang, Z Liang - Microorganisms, 2022 - mdpi.com
The frequent outbreaks of soft-rot diseases caused by Dickeya oryzae have emerged as
severe problems in plant production in recent years and urgently require the elucidation of …

The GacA-GacS Type Two-Component System Modulates the Pathogenicity of Dickeya oryzae EC1 Mainly by Regulating the Production of Zeamines

Y Chen, Y Li, M Zhu, M Lv, Z Liu… - Molecular Plant …, 2022 - Am Phytopath Society
The GacS-GacA type two-component system (TCS) positively regulates pathogenicity-
related phenotypes in many plant pathogens. In addition, Dickeya oryzae EC1, the causative …

Polyamine signaling communications play a key role in regulating the pathogenicity of Dickeya fangzhongdai

C Xie, W Gu, Z Chen, Z Liang, S Huang… - Microbiology …, 2023 - Am Soc Microbiol
Dickeya fangzhongdai is a devastating bacterial pathogen infecting a wide range of crops
and ornamental plants worldwide. As a newly identified bacterial species in 2016, the …