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Título: | Polyphenols, including the new peapolyphenols A-C, from pea root exudates stimulate orobanche foetida seed Germination |
Autor: | Evidente, Antonio; Cimmino, Alessio CSIC ORCID; Fernández-Aparicio, Mónica CSIC ORCID; Andolfi, Anna; Rubiales, Diego CSIC ORCID ; Motta, Andrea | Palabras clave: | Parasitic weeds Polyphenols Pea root exudates Seed germination Peapolyphenols A−C Orobanche Phelipanche |
Fecha de publicación: | 15-feb-2010 | Editor: | American Chemical Society | Citación: | Journal of Agricultural and Food Chemistry 58(5): 2902-2907 (2010) | Resumen: | Three new polyphenols, named peapolyphenols A-C, together with an already well-known polyphenol and a chalcone (1-(2,4-dihydroxyphenyl)-3-hydroxy-3-(4- hydroxyphenyl)-1-propanone and 1-(2,4-dihydroxyphenyl)-3-(4-methoxyphenyl) propenone) were isolated from pea root exudates. They were found to strongly stimulate Orobanche and Phelipanche species seed germination. Interestingly, only peapolyphenol A, 1,3,3-substituted propanone, and 1,3-disubstituted propenone had specific stimulatory activity on O. foetida, excluding any other Orobanche or Phelipanche species tested. This species specificity is relevant, as O. foetida does not respond to the synthetic strigolactone analogue GR24, commonly used as a standard for germination assays. As characterized by spectroscopic methods, peapolyphenols A-C proved to be differently functionalized polyphenols with hydroxy and methoxy groups on both the aromatic rings and the propyl chain. © 2010 American Chemical Society. | Versión del editor: | http://doi.org/10.1021/jf904247k | URI: | http://hdl.handle.net/10261/90378 | DOI: | 10.1021/jf904247k | Identificadores: | doi: 10.1021/jf904247k issn: 0021-8561 e-issn: 1520-5118 |
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