GDA-lipase1 (CaGL1) contributes to wound stress resistance by modulation of CaPR-4 expression in hot pepper
- Authors
- Kim, Ki-Jeong; Lim, Jee Hyuck; Kim, Min Jung; Kim, Taesung; Chung, Hyen Mi; Paek, Kyung-Hee
- Issue Date
- 3-10월-2008
- Publisher
- ACADEMIC PRESS INC ELSEVIER SCIENCE
- Keywords
- CaGL1; CaPR-4; hot pepper (Cupsicum annuum L.); MeJA; TMV; virus-incluced gene silencing; wound
- Citation
- BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, v.374, no.4, pp.693 - 698
- Indexed
- SCIE
SCOPUS
- Journal Title
- BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
- Volume
- 374
- Number
- 4
- Start Page
- 693
- End Page
- 698
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/122572
- DOI
- 10.1016/j.bbrc.2008.07.120
- ISSN
- 0006-291X
- Abstract
- A full length cDNA clone encoding Capsicum annuum GDSL-lipase 1 (CaGL1) was isolated by microarray analysis. The expression of CaGL1 was triggered by methyl jasmonic acid (MeJA), an important signal in abiotic/biotic stress response. However, the expression of this gene was not increased by the application of salicylic acid (SA) or ethylene treatment. And, local/systemic Wounding stimuli resulted in rapid accumulation of CaGL1 mRNA. However, CaGL1 was not specifically induced during the hypersensitive response upon Tobacco mosaic virus (TMV) inoculation. By using a virus-induced gene silencing (VIGS)-based reverse genetic approach, it was observed that the suppression of CaGL1 attenuates the expression of Capsicum annuum pathogenesis-related protein 4 (CaPR-4) during wound stress. However, the CaPR-4 transcript level induced by TMV was not regulated by CaGL1 expression. These results indicate that CaGL1 may be involved in signaling pathway of MeJA and/or the wound responses through CaPR-4 expression modulation. (c) 2008 Elsevier Inc. All rights reserved.
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