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The architecture of Phaseolus vulgaris root is altered when a defense response is elicited by an oligogalacturonide Braz. J. Plant Physiol.
Mata,Georgina Hernández; Sepúlveda,Baldemar; Richards,Alan; Soriano,Eva.
Phytoalexin accumulation is one of a myriad of plant defense responses; these responses can be elicited by pathogens or molecules such as oligogalacturonides (OGAs). Phytoalexin production has been considered a vital component of the resistance mechanisms that determine the outcome of many plant-microbe interactions. Besides inducing defense responses, OGAs have been shown to affect plant development, which normally is controlled by plant hormones, particularly auxin. In this work we measured phytoalexin accumulation in roots of bean (Phaseolus vulgaris L.) seedlings grown in the presence or absence of the auxin 3-naphtalenacetic acid (NAA) and treated with a decagalacturonide (OGA10). We found that OGA10 (0.01 mM) caused phytoalexin production and also...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Auxin; Phytoalexin; Phaseolus vulgaris; Root.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202006000200012
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