Histidine kinase activity and the regulation of ethylene signal transduction

Mason, M. G. and Schaller, G. E. (2005) Histidine kinase activity and the regulation of ethylene signal transduction. Canadian Journal of Botany-revue Canadienne De Botanique, 83 6: 563-570. doi:10.1139/B05-053


Author Mason, M. G.
Schaller, G. E.
Title Histidine kinase activity and the regulation of ethylene signal transduction
Journal name Canadian Journal of Botany-revue Canadienne De Botanique   Check publisher's open access policy
ISSN 0008-4026
Publication date 2005
Sub-type Article (original research)
DOI 10.1139/B05-053
Volume 83
Issue 6
Start page 563
End page 570
Total pages 8
Place of publication Ottawa
Publisher Natl Research Council Canada
Language eng
Subject 0607 Plant Biology
Abstract Ethylene is a gaseous hormone that regulates many aspects of plant growth and development. Although the effect of ethylene on plant growth was discovered a century ago, the key players in the ethylene response pathway were only identified over the last 15 years. In Arabidopsis, ethylene is perceived by a family of five receptors (ETR1, ETR2, ERS1, ERS2, and EIN4) that resemble two-component histidine kinases. Of these, only ETR1 and ERS1 contain all the conserved residues required for histidine kinase activity. The ethylene receptors appear to function primarily through CTR1, a serine/threonine kinase that actively suppresses ethylene responses in air (absence of ethylene). Despite recent progress toward understanding ethylene signal transduction, the role of the ethylene-receptor histidine-kinase activity remains unclear. This review considers the significance of histidine kinase activity in ethylene signaling and possible mechanisms by which it may modulate ethylene responses.
Keyword Plant Sciences
ethylene receptor
ETR1
histidine kinase
two-component
phosphorylation
Arabidopsis
Arabidopsis Response Regulators
Raf-like Kinase
Receptor Etr1
2-component Regulators
Endoplasmic-reticulum
Transcription Factor
Negative Regulator
Multigene Family
Cytokinin
Thaliana
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
School of Biological Sciences Publications
 
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Created: Wed, 19 Sep 2007, 18:28:03 EST