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Title: Regulating the ethylene response of a plant by modulation of F-box proteins

The relationship between F-box proteins and proteins invovled in the ethylene response in plants is described. In particular, F-box proteins may bind to proteins involved in the ethylene response and target them for degradation by the ubiquitin/proteasome pathway. The transcription factor EIN3 is a key transcription factor mediating ethylne-regulated gene expression and morphological responses. EIN3 is degraded through a ubiquitin/proteasome pathway mediated by F-box proteins EBF1 and EBF2. The link between F-box proteins and the ethylene response is a key step in modulating or regulating the response of a plant to ethylene. Described herein are transgenic plants having an altered sensitivity to ethylene, and methods for making transgenic plant haing an althered sensitivity to ethylene by modulating the level of activity of F-box proteins. Methods of altering the ethylene response in a plant by modulating the activity or expression of an F-box protein are described. Also described are methods of identifying compounds that modulate the ethylene response in plants by modulating the level of F-box protein expression or activity.
Inventors:
 [1];  [2]
  1. Beijing, CN
  2. Carlsbad, CA
Issue Date:
OSTI Identifier:
1113807
Assignee:
Salk Institute for Biological Studies (La Jolla, CA) NNSA
Patent Number(s):
8,624,081
Application Number:
13/015,333
Contract Number:
FG03-00ER15113
Resource Relation:
Patent File Date: 2011 Jan 27
Research Org:
Salk Institute for Biological Studies, La Jolla, CA, USA
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
60 APPLIED LIFE SCIENCES

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