Recognition and response in plant-pathogen interactions

Mee Park Jeong, Hee Paek Kyung

Research output: Contribution to journalReview article

10 Citations (Scopus)

Abstract

Most plants are resistant to the majority of pathogens. Susceptibility is the exception to the more common state of resistance, i.e., being refractory to infection. However, plant pathogens cause serious economic losses by reducing crop yield and quality. Although such organisms are relatively simple genetic entities, in plants, the mechanisms underlying the generation of disease symptoms and resistance responses are complex and, often, unknown. The study of genes associated with plant-pathogen resistance addresses fundamental questions about the molecular, biochemical, cellular, and physiological means of these interactions. Over the past 10 years, the cloning and analysis of numerous plant resistance genes has led researchers to formulate unifying theories about resistance and susceptibility, and the co-evolution of plant pathogens and their hosts. In this review, we discuss the identification of response genes that have been characterized at the molecular level, as well as their putative links to various signaling pathways. We also summarize the knowledge regarding crosstalk among signaling pathways and plant resistance genes.

Original languageEnglish
Pages (from-to)132-138
Number of pages7
JournalJournal of Plant Biology
Volume50
Issue number2
DOIs
Publication statusPublished - 2007 Apr 30

Keywords

  • Defense-signaling pathway
  • Disease resistance
  • HR
  • R gene
  • SAR

ASJC Scopus subject areas

  • Plant Science

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