Early genomic responses to salicylic acid in Arabidopsis

Francisca Blanco, Paula Salinas, Nicolás M. Cecchini, Xavier Jordana, Paul Van Hummelen, María Elena Alvarez, Loreto Holuigue

Resultado de la investigación: Article

100 Citas (Scopus)

Resumen

Salicylic acid (SA) is a stress-induced hormone involved in the activation of defense genes. Here we analyzed the early genetic responses to SA of wild type and npr1-1 mutant Arabidopsis seedlings, using Complete Arabidopsis Transcriptome MicroArray (CATMAv2) chip. We identified 217 genes rapidly induced by SA (early SAIGs); 193 by a NPR1-dependent and 24 by a NPR1-independent pathway. These two groups of genes also differed in their functional classification, expression profiles and over-representation of cis-elements, supporting differential pathways for their activation. Examination of the expression patterns for selected early SAIGs from both groups indicated that their activation by SA required TGA2/5/6 subclass of transcription factors. These genes were also activated by Pseudomonas syringae pv. tomato AvrRpm1, suggesting that they might play a role in defense against bacteria. This study gives a global idea of the early response to SA in Arabidopsis seedlings, expanding our knowledge about SA function in plant defense.

Idioma originalEnglish
Páginas (desde-hasta)79-102
Número de páginas24
PublicaciónPlant Molecular Biology
Volumen70
N.º1-2
DOI
EstadoPublished - may 2009

Huella dactilar

Salicylic Acid
Arabidopsis
salicylic acid
genomics
Seedlings
genes
Genes
Pseudomonas syringae
Pseudomonas syringae pv. tomato
seedlings
Lycopersicon esculentum
Transcriptome
transcriptome
Transcriptional Activation
Transcription Factors
transcription factors
hormones
Hormones
taxonomy
Bacteria

ASJC Scopus subject areas

  • Plant Science
  • Agronomy and Crop Science
  • Genetics
  • Medicine(all)

Citar esto

Blanco, F., Salinas, P., Cecchini, N. M., Jordana, X., Van Hummelen, P., Alvarez, M. E., & Holuigue, L. (2009). Early genomic responses to salicylic acid in Arabidopsis. Plant Molecular Biology, 70(1-2), 79-102. https://doi.org/10.1007/s11103-009-9458-1
Blanco, Francisca ; Salinas, Paula ; Cecchini, Nicolás M. ; Jordana, Xavier ; Van Hummelen, Paul ; Alvarez, María Elena ; Holuigue, Loreto. / Early genomic responses to salicylic acid in Arabidopsis. En: Plant Molecular Biology. 2009 ; Vol. 70, N.º 1-2. pp. 79-102.
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Blanco, F, Salinas, P, Cecchini, NM, Jordana, X, Van Hummelen, P, Alvarez, ME & Holuigue, L 2009, 'Early genomic responses to salicylic acid in Arabidopsis', Plant Molecular Biology, vol. 70, n.º 1-2, pp. 79-102. https://doi.org/10.1007/s11103-009-9458-1

Early genomic responses to salicylic acid in Arabidopsis. / Blanco, Francisca; Salinas, Paula; Cecchini, Nicolás M.; Jordana, Xavier; Van Hummelen, Paul; Alvarez, María Elena; Holuigue, Loreto.

En: Plant Molecular Biology, Vol. 70, N.º 1-2, 05.2009, p. 79-102.

Resultado de la investigación: Article

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AU - Alvarez, María Elena

AU - Holuigue, Loreto

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Blanco F, Salinas P, Cecchini NM, Jordana X, Van Hummelen P, Alvarez ME y otros. Early genomic responses to salicylic acid in Arabidopsis. Plant Molecular Biology. 2009 may;70(1-2):79-102. https://doi.org/10.1007/s11103-009-9458-1