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

Guo, Hongwei; Ecker, Joseph R

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

Abstract

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:

Guo, Hongwei ^[1]; Ecker, Joseph R ^[2]

Beijing, CN
Carlsbad, CA

Issue Date:: 2014-01-07

Research Org.:: Salk Institute for Biological Studies, La Jolla, CA, USA

Sponsoring Org.:: USDOE

OSTI Identifier:: 1113807

Patent Number(s):: 8624081

Application Number:: 13/015,333

Assignee:: Salk Institute for Biological Studies (La Jolla, CA)

Patent Classifications (CPCs):: C - CHEMISTRY C12 - BIOCHEMISTRY C12N - MICROORGANISMS OR ENZYMES

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C - CHEMISTRY C12 - BIOCHEMISTRY C12N - MICROORGANISMS OR ENZYMES
C12N15/8249 - {involving ethylene biosynthesis, senescence or fruit development, e.g. modified tomato ripening, cut flower shelf-life}
C12N15/8261 - {with agronomic
C12N15/8266 - {Abscission
C12N15/8267 - {Seed dormancy, germination or sprouting}
C12N15/8271 - {for stress resistance, e.g. heavy metal resistance}
C12N15/8291 - {Hormone-influenced development}

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DOE Contract Number:: FG03-00ER15113

Resource Type:: Patent

Resource Relation:: Patent File Date: 2011 Jan 27

Country of Publication:: United States

Language:: English

Subject:: 60 APPLIED LIFE SCIENCES

Citation Formats


                    Guo, Hongwei, and Ecker, Joseph R. Regulating the ethylene response of a plant by modulation of F-box proteins.  United States: N. p., 2014. 
        Web.

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                    Guo, Hongwei, & Ecker, Joseph R. Regulating the ethylene response of a plant by modulation of F-box proteins.  United States.

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                    Guo, Hongwei, and Ecker, Joseph R. Tue .  
        "Regulating the ethylene response of a plant by modulation of F-box proteins".  United States.  https://www.osti.gov/servlets/purl/1113807.

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@article{osti_1113807,

  title        = {Regulating the ethylene response of a plant by modulation of F-box proteins},

  author       = {Guo, Hongwei and Ecker, Joseph R},

  abstractNote = {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.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2014},

  month        = {1}

}

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