Chemosensory Systems Interact to Shape Relevant Traits for Bacterial Plant Pathogenesis

Overview

Journal mBio

Publisher American Society for Microbiology

Specialty Microbiology

Date 2024 Jun 20

PMID 38899869

Authors

Marti Munar-Palmer

Saray Santamaria-Hernando

Janine Liedtke

Davi R Ortega

Gema Lopez-Torrejon

Jose Juan Rodriguez-Herva

Ariane Briegel

Emilia Lopez-Solanilla

Affiliations

Soon will be listed here.

Abstract

Importance: Chemoperception through chemosensory systems is an essential feature for bacterial survival, as it allows bacterial interaction with its surrounding environment. In the case of plant pathogens, it is especially relevant to enter the host and achieve full virulence. Multiple chemosensory systems allow bacteria to display a wider plasticity in their response to external signals. Here, we perform a deep characterization of the F6, F8, and alternative (non-motility) cellular functions chemosensory systems in the model plant pathogen pv. tomato DC3000. These chemosensory systems regulate key virulence-related traits, like motility and biofilm formation. Furthermore, we unveil an unexpected crosstalk among these chemosensory systems at the level of the interaction between kinases and response regulators. This work shows novel results that contribute to the knowledge of chemosensory systems and their role in functions alternative to chemotaxis.

Citing Articles

Genome-wide identification of novel flagellar motility genes in pv. DC3000.

Yang Z, Helmann T, Baudin M, Schreiber K, Bao Z, Stodghill P Front Microbiol. 2025; 16:1535114.

PMID: 39935648 PMC: 11813219. DOI: 10.3389/fmicb.2025.1535114.

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