Arabidopsis thaliana Cells: A Model to Evaluate the Virulence of Pectobacterium carotovorum | Zendy

Meriam Terta | Zendy; Kettani-Halabi Mohamed | Zendy; K. Ibenyassine | Zendy; Daniel Tran | Zendy; Patrice Meimoun | Zendy; Raja Ait M'hand | Zendy; Hayat ElMaaroufBouteau | Zendy; Florence Val | Zendy; Moulay Mustapha Ennaji | Zendy; François Bouteau | Zendy

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Arabidopsis thaliana Cells: A Model to Evaluate the Virulence of Pectobacterium carotovorum

Author(s) -

Meriam Terta,

Kettani-Halabi Mohamed,

K. Ibenyassine,

Daniel Tran,

Patrice Meimoun,

Raja Ait M'hand,

Hayat ElMaaroufBouteau,

Florence Val,

Moulay Mustapha Ennaji,

François Bouteau

Publication year - 2010

Publication title -

molecular plant-microbe interactions

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.565

H-Index - 153

eISSN - 1943-7706

pISSN - 0894-0282

DOI - 10.1094/mpmi-23-2-0139

Subject(s) - pectobacterium carotovorum , virulence , pectate lyase , arabidopsis thaliana , biology , xanthomonas , microbiology and biotechnology , pectobacterium , arabidopsis , effector , hypersensitive response , pathogen , bacteria , pectinase , mutant , gene , genetics , enzyme , plant disease resistance , biochemistry

Pectobacterium carotovorum are economically important plant pathogens that cause plant soft rot. These enterobacteria display high diversity world-wide. Their pathogenesis depends on production and secretion of virulence factors such as plant cell wall-degrading enzymes, type III effectors, a necrosis-inducing protein, and a secreted virulence factor from Xanthomonas spp., which are tightly regulated by quorum sensing. Pectobacterium carotovorum also present pathogen-associated molecular patterns that could participate in their pathogenicity. In this study, by using suspension cells of Arabidopsis thaliana, we correlate plant cell death and pectate lyase activities during coinfection with different P. carotovorum strains. When comparing soft rot symptoms induced on potato slices with pectate lyase activities and plant cell death observed during coculture with Arabidopsis thaliana cells, the order of strain virulence was found to be the same. Therefore, Arabidopsis thaliana cells could be an alternative tool to evaluate rapidly and efficiently the virulence of different P. carotovorum strains.

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