期刊
SEMINARS IN CELL & DEVELOPMENTAL BIOLOGY
卷 76, 期 -, 页码 163-178出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.semcdb.2017.08.055
关键词
Mitochondrial cytochrome c oxidase; COX1; COX2; COX assembly factor; Respiratory supercomplex
资金
- NIH [GM118141]
- MDA [MDA-381828]
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM071775, R35GM118141, R01GM105781] Funding Source: NIH RePORTER
Mitochondrial cytochrome c oxidase (COX) is the primary site of cellular oxygen consumption and is essential for aerobic energy generation in the form of ATP. Human COX is a copper-heme A hetero-multimeric complex formed by 3 catalytic core subunits encoded in the mitochondrial DNA and 11 subunits encoded in the nuclear genome. Investigations over the last 50 years have progressively shed light into the sophistication surrounding COX biogenesis and the regulation of this process, disclosing multiple assembly factors, several redox-regulated processes leading to metal co-factor insertion, regulatory mechanisms to couple synthesis of COX subunits to COX assembly, and the incorporation of COX into respiratory supercomplexes. Here, we will critically summarize recent progress and controversies in several key aspects of COX biogenesis: linear versus modular assembly, the coupling of mitochondrial translation to COX assembly and COX assembly into respiratory supercomplexes. (C) 2017 Elsevier Ltd. All rights reserved.
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