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Defense Genes Induced by Pathogens and Abiotic Stresses in Panax ginseng C. A. Meyer

期刊

JOURNAL OF GINSENG RESEARCH
卷 35, 期 1, 页码 1-11

出版社

KOREAN SOC GINSENG
DOI: 10.5142/jgr.2011.35.1.001

关键词

Panay ginseng; Ginseng; Pathogens; Pathogenesis-related; Jasmonic acid; Defense-responsive gene

资金

  1. Agriculture and Forestry, Ministry of Food, Agriculture, Forestry and Fisheries, Republic of Korea
  2. Institute of Planning & Evaluation for Technology in Food, Agriculture, Forestry & Fisheries (iPET), Republic of Korea [IPET607002-5] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
  3. National Research Foundation of Korea [2007-0051887] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

向作者/读者索取更多资源

Korean ginseng is a medicinally important perennial herb from the family Araliaceae. It has been cultivated for its highly valued medicinal properties for over 1,000 years in east Asian countries such as China, Korea, and Japan. Due to its longtime cultivation in shady areas, ginseng is frequently exposed to pathogenic infections. Plants protect themselves from microbial pathogens using an array of defense mechanisms, some of which are constitutively active, while others are activated upon pathogen invasion. These induced defense responses, controlled by defense-related genes, require tradeoffs in terms of plant fitness. We hypothesize that ginseng, as with other plants, possesses regulatory mechanisms that coordinate the activation of attacker-specific defenses in order to minimize fitness costs while attaining optimal resistance. Several classes of defense-related genes are induced by infection, wounds, irradiation, and other abiotic stresses. Both salicylates and jasmonates have been shown to cause such responses, although their specific roles and interactions in signaling and development are not fully understood in ginseng. This review summarizes possible defense-related genes in ginseng based on their expression patterns against biotic and abiotic stresses and describes their functional roles.

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