Zymoseptoria tritici stealth infection is facilitated by stage-specific downregulation of a β-glucanase.

ABSTRACT: Plant cell walls constitute a major defence barrier against pathogens, although it is unclear how specific cell wall components impact pathogen colonisation. Pathogens secrete cell wall-degrading enzymes (CWDEs) to facilitate plant colonisation, but damaged or infected cells are often a source of cell wall-derived oligosaccharides that trigger host immunity. The mechanisms by which pathogens minimise the release of cell wall-derived oligosaccharides while colonising the host remain to be elucidated. We combined biochemical, molecular, and transcriptomic analyses to functionally characterise a glycoside hydrolase (ZtGH45) from the wheat pathogen Zymoseptoria tritici. ZtGH45 gene is expressed during the necrotrophic phase. At this stage, wheat β-1,3/1,4-mixed-linked glucan (MLG)-derived olig

SUBMITTER: Rebaque D 

PROVIDER: S-EPMC12630491 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature