GDSL lipase 1 regulates ethylene signaling and ethylene-associated systemic immunity in Arabidopsis

Hye Gi Kim, Sun Jae Kwon, Young Jin Jang, Joo Hee Chung, Myung Hee Nam, Ohkmae Kim

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Arabidopsis GDSL lipase 1 (GLIP1) has been shown to modulate systemic immunity through the regulation of ethylene signaling components. Here we demonstrate that the constitutive triple response mutant ctr1-1 requires GLIP1 for the ethylene response, gene expression, and pathogen resistance. The glip1-1 mutant was defective in induced resistance following primary inoculation of necrotrophic pathogens, whereas GLIP1-overexpressing plants showed resistance to multiple pathogens. Necrotrophic infection triggered the downregulation of EIN3 and the activation of ERF1 and SID2 in a GLIP1-dependent manner. These results suggest that GLIP1 positively and negatively regulates ethylene signaling, resulting in an ethylene-associated, necrotroph-induced immune response.

Original languageEnglish
Pages (from-to)1652-1658
Number of pages7
JournalFEBS Letters
Volume588
Issue number9
DOIs
Publication statusPublished - 2014 May 2

Fingerprint

Lipase
Arabidopsis
Immunity
Pathogens
Gene expression
Down-Regulation
Chemical activation
ethylene
Gene Expression
Infection

Keywords

  • EIN3
  • ERF1
  • Ethylene
  • GLIP1
  • Salicylic acid
  • Systemic immunity

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Cell Biology
  • Genetics
  • Molecular Biology
  • Structural Biology

Cite this

GDSL lipase 1 regulates ethylene signaling and ethylene-associated systemic immunity in Arabidopsis. / Kim, Hye Gi; Kwon, Sun Jae; Jang, Young Jin; Chung, Joo Hee; Nam, Myung Hee; Kim, Ohkmae.

In: FEBS Letters, Vol. 588, No. 9, 02.05.2014, p. 1652-1658.

Research output: Contribution to journalArticle

Kim, Hye Gi ; Kwon, Sun Jae ; Jang, Young Jin ; Chung, Joo Hee ; Nam, Myung Hee ; Kim, Ohkmae. / GDSL lipase 1 regulates ethylene signaling and ethylene-associated systemic immunity in Arabidopsis. In: FEBS Letters. 2014 ; Vol. 588, No. 9. pp. 1652-1658.
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