Detailed Information |
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| Standard Gene Set Name | SANDY_WRKY15_OSMOTIC_STRESS_TOLERANCE_UP |
| Species | Arabidopsis thaliana |
| Brief Description | Constitutively upregulated transcripts in WRKY15 plants |
| Full Description/Abstract | Environmental stresses adversely affect plant growth and development. A common theme within these adverse conditions is the perturbation of reactive oxygen species (ROS) homeostasis. Here, we demonstrate that the ROS-inducible Arabidopsis thaliana WRKY15 transcription factor (AtWRKY15) modulates plant growth and salt/osmotic stress responses. By transcriptome profiling, a divergent stress response was identified in transgenic WRKY15-overexpressing plants that linked a stimulated endoplasmic reticulum-to-nucleus communication to a disrupted mitochondrial stress response under salt-stress conditions. We show that mitochondrial calcium-flux sensing might be important for regulating an active mitochondrial retrograde signaling and launching an appropriate defense response to confer salt-stress tolerance. |
| External Pathway ID/Pubmed ID | 23169634 |
| Source | Literature |
| Contributor/Author | Vanderauwera Sandy |
| Organization of contributer | Department of Plant Systems Biology, VIB |
| External URL | http://www.pnas.org/content/109/49/20113.full?sid=f4465cc1-ecc3-4d68-aaae-f2528948471c |