The role of ethylene in host-pathogen interactions.
The phytohormone ethylene is a principal modulator in many aspects of plant life, including various mechanisms by which plants react to pathogen attack. Induced ethylene biosynthesis and subsequent intracellular signaling through a single conserved pathway have been well characterized. This leads to a cascade of transcription factors consisting of primary EIN3-like regulators and downstream ERF-like transcription factors. The latter control the expression of various effector genes involved in various aspects of systemic induced defense responses. Moreover, at this level significant cross-talk occurs with other defense response pathways controlled by salicylic acid and jasmonate, eventually resulting in a differentiated disease response.
Broekaert
Willem F
WF
Center of Microbial and Plant Genetics, Department of Microbial and Molecular Systems, Katholieke Universiteit Leuven, 3001 Leuven, Belgium. willem.broekaert@biw.kuleuven.be
Delauré
Stijn L
SL
De Bolle
Miguel F C
MF
Cammue
Bruno P A
BP
D005030:Ethylenes / Q000378:metabolism*; D018506:Gene Expression Regulation, Plant; D010935:Plant Diseases / Q000382:microbiology*; D010944:Plants / Q000187:drug effects*; D015398:Signal Transduction
D005030:Ethylenes; C036216:ethylene