GDSL lipase-like 1 regulates systemic resistance associated with ethylene signaling in Arabidopsis

Sun Jae Kwon, Hak Chul Jin, Soohyun Lee, Myung Hee Nam, Joo Hee Chung, Soon Il Kwon, Choong Min Ryu, Ohkmae Kim

Research output: Contribution to journalArticle

86 Citations (Scopus)

Abstract

Systemic resistance is induced by necrotizing pathogenic microbes and non-pathogenic rhizobacteria and confers protection against a broad range of pathogens. Here we show that Arabidopsis GDSL LIPASE-LIKE 1 (GLIP1) plays an important role in plant immunity, eliciting both local and systemic resistance in plants. GLIP1 functions independently of salicylic acid but requires ethylene signaling. Enhancement of GLIP1 expression in plants increases resistance to pathogens including Alternaria brassicicola, Erwinia carotovora and Pseudomonas syringae, and limits their growth at the infection site. Furthermore, local treatment with GLIP1 proteins is sufficient for the activation of systemic resistance, inducing both resistance gene expression and pathogen resistance in systemic leaves. The PDF1.2-inducing activity accumulates in petiole exudates in a GLIP1-dependent manner and is fractionated in the size range of less than 10 kDa as determined by size exclusion chromatography. Our results demonstrate that GLIP1-elicited systemic resistance is dependent on ethylene signaling and provide evidence that GLIP1 may mediate the production of a systemic signaling molecule(s).

Original languageEnglish
Pages (from-to)235-245
Number of pages11
JournalPlant Journal
Volume58
Issue number2
DOIs
Publication statusPublished - 2009 Apr 1

Fingerprint

Lipase
Arabidopsis
ethylene
Plant Immunity
Pectobacterium carotovorum
Pseudomonas syringae
Alternaria
Salicylic Acid
pathogens
Exudates and Transudates
Alternaria brassicicola
Gel Chromatography
rhizosphere bacteria
Gene Expression
salicylic acid
Growth
immunity
Infection
microorganisms
gene expression

Keywords

  • Arabidopsis
  • Ethylene
  • GDSL lipase
  • Jasmonic acid
  • Salicylic acid
  • Systemic resistance

ASJC Scopus subject areas

  • Plant Science
  • Cell Biology
  • Genetics

Cite this

GDSL lipase-like 1 regulates systemic resistance associated with ethylene signaling in Arabidopsis. / Kwon, Sun Jae; Jin, Hak Chul; Lee, Soohyun; Nam, Myung Hee; Chung, Joo Hee; Kwon, Soon Il; Ryu, Choong Min; Kim, Ohkmae.

In: Plant Journal, Vol. 58, No. 2, 01.04.2009, p. 235-245.

Research output: Contribution to journalArticle

Kwon, Sun Jae ; Jin, Hak Chul ; Lee, Soohyun ; Nam, Myung Hee ; Chung, Joo Hee ; Kwon, Soon Il ; Ryu, Choong Min ; Kim, Ohkmae. / GDSL lipase-like 1 regulates systemic resistance associated with ethylene signaling in Arabidopsis. In: Plant Journal. 2009 ; Vol. 58, No. 2. pp. 235-245.
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