Regulation of Thermogenesis in Plants: The Interaction of Alternative Oxidase and Plant Uncoupling Mitochondrial Protein
文献类型： 外文期刊
作者： Zhu, Yan 1 ; Lu, Jianfei 1 ; Wang, Jing 2 ; Chen, Fu 3 ; Leng, Feifan 1 ; Li, Hongyu 1 ;
作者机构： 1.Lanzhou Univ, Sch Life Sci, MOE Key Lab Arid & Grassland Ecol, Lanzhou 730000, Peoples R China
2.Gansu Agr Univ, Coll Food Sci & Engn, Lanzhou 730070, Peoples R China
3.Gansu Acad Agr Sci, Inst Potato, Lanzhou 730070, Peoples R China
期刊名称：JOURNAL OF INTEGRATIVE PLANT BIOLOGY （ 影响因子：7.061； 五年影响因子：6.002 ）
ISSN： 1672-9072
年卷期： 2011 年 53 卷 1 期
页码：
收录情况： SCI
摘要： Thermogenesis is a process of heat production in living organisms. It is rare in plants, but it does occur in some species of angiosperm. The heat is generated via plant mitochondrial respiration. As possible involvement in thermogenesis of mitochondrial factors, alternative oxidases (AOXs) and plant uncoupling mitochondrial proteins (PUMPs) have been well studied. AOXs and PUMPs are ubiquitously present in the inner membrane of plant mitochondria. They serve as two major energy dissipation systems that balance mitochondrial respiration and uncoupled phosphorylation by dissipating the H+ redox energy and proton electrochemical gradient (delta mu H+) as heat, respectively. AOXs and PUMPs exert similar physiological functions during homeothermic heat production in thermogenic plants. AOXs have five isoforms, while PUMPs have six. Both AOXs and PUMPs are encoded by small nuclear multigene families. Multiple isoforms are expressed in different tissues or organs. Extensive studies have been done in the area of thermogenesis in higher plants. In this review, we focus on the involvement and regulation of AOXs and PUMPs in thermogenesis.
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