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Nat Prod Res ; 34(14): 2043-2050, 2020 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-30810363

RESUMEN

Bacterial canker of Actinidia, caused by the bacterium Pseudomonas syringae pv. actinidiae (Psa), is the most serious disease of these plants worldwide. Leaves of three species of Actinidia, namely A. chinensis var. chinensis, A. chinensis var. deliciosa and A. arguta, having different degrees of tolerance to Psa, were analyzed by Nuclear Magnetic Resonance spectroscopy. Aqueous extracts of leaves were studied and several metabolites, classified as organic acids, amino acids, carbohydrates, phenols and other metabolites, were identified by 1D and 2D NMR experiments and quantified. The metabolic profiles of these species were compared through univariate statistical analysis ANOVA and multivariate PCA. Levels of metabolites with known antibacterial activity, such as caffeic and chlorogenic acids, were observed to be higher in the A. arguta samples. Moreover, these metabolites have different Pearson correlation patterns among the three Actinidia species, suggesting a difference at the phenylpropanoid biosynthetic pathway.


Asunto(s)
Actinidia/microbiología , Hojas de la Planta/microbiología , Pseudomonas syringae/patogenicidad , Antibacterianos , Espectroscopía de Resonancia Magnética , Enfermedades de las Plantas/microbiología , Extractos Vegetales/metabolismo , Hojas de la Planta/metabolismo , Especificidad de la Especie
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