Xanthomonas citri pv. citri Pathotypes: LPS Structure and Function as Microbe‐Associated Molecular Patterns

descriptionPublicationkeyboard_double_arrow_right Article 20 Mar 2017 France, Italy, Denmark English Publisher:WileyJournal:ChemBioChem, volume 18, pages 772-781 (issn: 1439-4227, eissn: 1439-7633,

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Authors: DI LORENZO, FLAVIANA; SILIPO, ALBA; Gersby, Lotte Bettina Andersen; Palmigiano, Angelo; LANZETTA, ROSA; Garozzo, Domenico; Boyer, Claudine; +3 Authors

doi: 10.1002/cbic.201600671

pmid: 28186388

handle: 11588/663698 , 20.500.14243/326554

Xanthomonas citri pv. citri Pathotypes: LPS Structure and Function as Microbe‐Associated Molecular Patterns

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Abstract

AbstractXanthomonas citri pv. citri is the pathogen responsible for Asiatic citrus canker, one of the most serious citrus diseases worldwide. The lipopolysaccharide (LPS) molecule has been demonstrated to be involved in X. citri pv. citri virulence. Despite enormous progress in investigations of the molecular mechanisms for bacterial pathogenicity, determination of the detailed LPS structure–activity relationship is limited, as the current knowledge is mainly based on structural determination of one X. citri pv. citri strain. As X. citri pv. citri strains are distinguished into three main pathogenicity groups, we characterized the full structure of the LPS from two pathotypes that differ in their host‐range specificity. This revealed an intriguing difference in LPS O‐chain structure. We also tested the LPSs and isolated lipid A moieties for their ability to act as microbe‐associated molecular patterns in Arabidopsis thaliana. Both LPS/lipid As induced ROS accumulation, but no difference was observed between the two pathotypes.

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Keywords

http://aims.fao.org/aos/agrovoc/c_24045, Lipopolysaccharides, Citrus, Xanthomonas, Virulence Factors, Proton Magnetic Resonance Spectroscopy, Arabidopsis, http://aims.fao.org/aos/agrovoc/c_5629, Xanthomonas campestris citri, reactive oxygen species (ROS), antigens, http://aims.fao.org/aos/agrovoc/c_36120, Journal Article, innate immunity, H20 - Maladies des plantes, Xanthomonas citri pv. citri * Lipopolysaccharide (LPS) * Innate Immunity * Reactive Oxygen Species (ROS) * Structural characterization, pouvoir pathogène, interactions biologiques, Molecular Structure, Virulence, http://aims.fao.org/aos/agrovoc/c_1637, http://aims.fao.org/aos/agrovoc/c_49896, lipopolysaccharide, structure elucidation, pathotype, http://aims.fao.org/aos/agrovoc/c_24059, Immunity, Innate, structure chimique, Xanthomonas citri pv. citri, Lipid A, http://aims.fao.org/aos/agrovoc/c_15893, Reactive Oxygen Species, lipopolysaccharide (LPS)

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