Salicylic acid induces the expression of a number of receptor-like kinase genes in Arabidopsis thaliana

Y. Ohtake, Taku Takahashi, Y. Komeda

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

Receptor-like protein kinases (RLKs) are encoded by a divergent multigene family and their functions have been implicated in a wide range of signal transduction pathways. In this study, we examined the effect of salicylic acid (SA) on the expression of RLK genes in Arabidopsis thaliana. RNA gel blot analysis revealed that transcripts of RKC1 and a number of its homologs, whose translation products contain C-X8-C-X2-C motifs in the putative extracellular domain, accumulated to a higher level in response to SA treatment of plants. The chimeric fusion between the RKC1 5'-upstream region and the β-glucuronidase (GUS) reporter gene reproduced the SA responsiveness in transgenic plants. In addition, some of RLK genes of the leucine-rich repeat (LRR) class and those of the S-domain class were also induced by SA. We found that the upstream regions of these SA-responsive RLK genes contain the TTGAC sequence, which has been suggested to be important for induced expression of many plant defense genes. These results suggest the involvement of a number of RLKs in SA-mediated defense responses.

Original languageEnglish
Pages (from-to)1038-1044
Number of pages7
JournalPlant and Cell Physiology
Volume41
Issue number9
Publication statusPublished - 2000
Externally publishedYes

Fingerprint

Salicylic Acid
Arabidopsis
salicylic acid
phosphotransferases (kinases)
Phosphotransferases
protein kinases
Arabidopsis thaliana
Protein Kinases
receptors
Genes
genes
Plant Genes
Genetically Modified Plants
Glucuronidase
Multigene Family
Reporter Genes
multigene family
reporter genes
Leucine
translation (genetics)

Keywords

  • Arabidopsis thaliana
  • Gene expression
  • Receptor-like kinase
  • Salicylic acid

ASJC Scopus subject areas

  • Plant Science
  • Cell Biology
  • Physiology

Cite this

Salicylic acid induces the expression of a number of receptor-like kinase genes in Arabidopsis thaliana. / Ohtake, Y.; Takahashi, Taku; Komeda, Y.

In: Plant and Cell Physiology, Vol. 41, No. 9, 2000, p. 1038-1044.

Research output: Contribution to journalArticle

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