期刊
FEBS LETTERS
卷 589, 期 11, 页码 1207-1213出版社
WILEY
DOI: 10.1016/j.febslet.2015.03.034
关键词
Mitochondrial voltage-dependent anion channel; Chloroplast thioredoxin; Protein interaction; NaCl stress
资金
- program for Changjiang Scholars and Innovative Research Team in University (PCSIRT) [IRT13053]
- Fundamental Research Funds for the Central Universities [2572014DA06]
Voltage-dependent anion channels (VDACs) are conserved mitochondrial outer membrane proteins. A yeast two-hybrid screen identified interaction between Arabidopsis VDAC3 and the chloroplast protein thioredoxin m2 (AtTrx m2). This was confirmed via pull-down assay. A bimolecular fluorescence complementation assay located the interaction in mitochondria. AtVDAC3 and AtTrx m2 transcripts were expressed in multiple tissues and up-regulated by abiotic stress. Under NaCl stress, AtVDAC3 overexpression inhibited growth and increased H2O2 accumulation, while AtTrx m2 overexpression conferred resistance to NaCl and reduced H2O2. Results indicate that both AtVDAC3 and AtTrx m2 are involved in ROS signaling and play opposite roles in NaCl stress response. (C) 2015 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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