期刊
FEBS LETTERS
卷 585, 期 24, 页码 3935-3940出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.febslet.2011.10.039
关键词
Chloroplast; Mitochondria; Mitochondrial carrier protein; Calcium-binding; ATP-phosphate carrier; SAM transporter
资金
- Austrian GEN-AU [818514]
- EU [ITN 2008 GA 215-174]
- UK Medical Research Council
- Medical Research Council [MC_U105674181] Funding Source: researchfish
- MRC [MC_U105674181] Funding Source: UKRI
Chloroplasts and mitochondria are central to crucial cellular processes in plants and contribute to a whole range of metabolic pathways. The use of calcium ions as a secondary messenger in and around organelles is increasingly appreciated as an important mediator of plant cell signaling, enabling plants to develop or to acclimatize to changing environmental conditions. Here, we have studied the four calcium-dependent mitochondrial carriers that are encoded in the Arabidopsis genome. An unknown substrate carrier, which was previously found to localize to chloroplasts, is proposed to present a calcium-dependent S-adenosyl methionine carrier. For three predicted ATP/phosphate carriers, we present experimental evidence that they can function as mitochondrial ATP-importers. (C) 2011 Federation of European Biochemical Societies. Published by Elsevier B. V. All rights reserved.
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