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Overexpression of SAMDC1 gene in Arabidopsis thaliana increases expression of defense-related genes as well as resistance to Pseudomonas syringae and Hyaloperonospora arabidopsidis

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Overexpression of SAMDC1 gene in Arabidopsis thaliana increases expression of defense-related genes as well as resistance to Pseudomonas syringae and Hyaloperonospora arabidopsidis

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dc.contributor.author Marco, Francisco es_ES
dc.contributor.author Busó Sáez, Enrique es_ES
dc.contributor.author Carrasco Sorli, Pedro M. es_ES
dc.date.accessioned 2015-06-18T07:05:50Z
dc.date.available 2015-06-18T07:05:50Z
dc.date.issued 2014
dc.identifier.citation Frontiers in Plant Science Vol. 5 es_ES
dc.identifier.uri http://hdl.handle.net/10550/44428
dc.description.abstract It has been previously described that elevation of endogenous spermine levels in Arabidopsis could be achieved by transgenic overexpression of S-Adenosylmethionine decarboxylase (SAMDC) or Spermine synthase (SPMS). In both cases, spermine accumulation had an impact on the plant transcriptome, with up-regulation of a set of genes enriched in functional categories involved in defense-related processes against both biotic and abiotic stresses. In this work, the response of SAMDC1-overexpressing plants against bacterial and oomycete pathogens has been tested. The expression of several pathogen defense-related genes was induced in these plants as well as in wild type plants exposed to an exogenous supply of spermine. SAMDC1-overexpressing plants showed an increased tolerance to infection by Pseudomonas syringae and by Hyaloperonospora arabidopsidis. Both results add more evidence to the hypothesis that spermine plays a key role in plant resistance to biotic stress. es_ES
dc.subject biotic stress es_ES
dc.subject spermine es_ES
dc.subject jasmonate es_ES
dc.subject polyamines es_ES
dc.subject stress response and stress tolerance es_ES
dc.title Overexpression of SAMDC1 gene in Arabidopsis thaliana increases expression of defense-related genes as well as resistance to Pseudomonas syringae and Hyaloperonospora arabidopsidis es_ES
dc.type journal article es_ES
dc.identifier.doi 10.3389/fpls.2014.00115 es_ES
dc.identifier.idgrec 102301 es_ES

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