| Title |
Stability and localization of 14-3-3 proteins are involved in salt tolerance in Arabidopsis
|
|---|---|
| Published in |
Plant Molecular Biology, August 2016
|
| DOI | 10.1007/s11103-016-0520-5 |
| Pubmed ID | |
| Authors |
Tinghong Tan, Jingqing Cai, Erbao Zhan, Yongqing Yang, Jinfeng Zhao, Yan Guo, Huapeng Zhou |
| Abstract |
Salt stress induces the degradation of 14-3-3 proteins, and affects the localization of 14-3-3 λ. Both the modulation of 14-3-3 protein stability and the subcellular localization of these proteins are involved in salt tolerance in plants. Salt tolerance in plants is regulated by multiple signaling pathways, including the salt overly sensitive (SOS) pathway, of which the SOS2 protein is a key component. SOS2 is activated under salt stress to enhance salt tolerance in plants. We previously identified 14-3-3 λ and κ as important regulators of salt tolerance. Both proteins interact with SOS2 to inhibit its kinase activity under normal growth conditions. In response to salt stress, 14-3-3 proteins dissociate from SOS2, releasing its activity and activating the SOS pathway to confer salt tolerance (Zhou et al. Plant Cell 26:1166-1182, 2014). Here we report that salt stress promotes the degradation of 14-3-3 λ and κ, at least in part via the actions of SOS3-like calcium binding protein 8/calcineurin-B-like10, and also decreases the plasma membrane (PM) localization of 14-3-3 λ. Salt stress also partially represses the interaction of SOS2 and 14-3-3 λ at the PM, but activates PM-localized SOS2. Together, these results suggest that, in plants, both the modulation of 14-3-3 stability and the subcellular localization of these proteins in response to salt stress are important for SOS2 activation and salt tolerance. These data provide new insights into the biological roles of 14-3-3 proteins in modulating salt tolerance. |
X Demographics
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Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 1 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 1 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 49 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| New Zealand | 1 | 2% |
| Unknown | 48 | 98% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 7 | 14% |
| Researcher | 6 | 12% |
| Student > Bachelor | 5 | 10% |
| Student > Master | 5 | 10% |
| Other | 2 | 4% |
| Other | 5 | 10% |
| Unknown | 19 | 39% |
| Readers by discipline | Count | As % |
|---|---|---|
| Agricultural and Biological Sciences | 22 | 45% |
| Biochemistry, Genetics and Molecular Biology | 9 | 18% |
| Unknown | 18 | 37% |
Attention Score in Context
This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 10 August 2016.
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#18,467,278
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Outputs of similar age from Plant Molecular Biology
#11
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