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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Amir, Madiha Schaller, G. Eric Haq, Noor Ul Gao, Zhiyong Rai, Muneeza Iqbal Shakeel, Samina N. Chen, Yi-feng |
| Description | Author Affiliation: Shakeel SN ( From the Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755, the Department of Biochemistry, Quaid-i-azam University, Islamabad, 45320, Pakistan, and.); Gao Z ( From the Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755.); Amir M ( From the Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755, the Department of Biochemistry, Quaid-i-azam University, Islamabad, 45320, Pakistan, and.); Chen YF ( From the Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755, the Institute of Biotechnology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, People's Republic of China.); Rai MI ( From the Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755, the Department of Biochemistry, Quaid-i-azam University, Islamabad, 45320, Pakistan, and.); Haq NU ( From the Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755, the Department of Biochemistry, Quaid-i-azam University, Islamabad, 45320, Pakistan, and.); Schaller GE ( From the Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755, george.e.schaller@dartmouth.edu.) |
| Abstract | The plant hormone ethylene is perceived by a five-member family of receptors in Arabidopsis thaliana. The receptors function in conjunction with the Raf-like kinase CTR1 to negatively regulate ethylene signal transduction. CTR1 interacts with multiple members of the receptor family based on co-purification analysis, interacting more strongly with receptors containing a receiver domain. Levels of membrane-associated CTR1 vary in response to ethylene, doing so in a post-transcriptional manner that correlates with ethylene-mediated changes in levels of the ethylene receptors ERS1, ERS2, EIN4, and ETR2. Interactions between CTR1 and the receptor ETR1 protect ETR1 from ethylene-induced turnover. Kinetic and dose-response analyses support a model in which two opposing factors control levels of the ethylene receptor/CTR1 complexes. Ethylene stimulates the production of new complexes largely through transcriptional induction of the receptors. However, ethylene also induces turnover of receptors, such that levels of ethylene receptor/CTR1 complexes decrease at higher ethylene concentrations. Implications of this model for ethylene signaling are discussed. |
| ISSN | 00219258 |
| e-ISSN | 1083351X |
| Journal | Journal of Biological Chemistry |
| Issue Number | 19 |
| Volume Number | 290 |
| Language | English |
| Publisher | American Society for Biochemistry and Molecular Biology (United States) |
| Publisher Date | 2015-05-08 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Arabidopsis Metabolism Ethylenes Gene Expression Regulation, Plant Plant Proteins Protein Kinases Receptors, Cell Surface Plant Growth Regulators Protein Interaction Mapping RNA Processing, Post-Transcriptional Seedling Signal Transduction Transcription, Genetic Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Biochemistry Molecular Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cell Biology Biochemistry Molecular Biology |
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