期刊
FRONTIERS IN CELL AND DEVELOPMENTAL BIOLOGY
卷 9, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fcell.2021.735678
关键词
iron-sulfur (Fe-S) clusters; genome stability; DNA replication; DNA repair; DNA metabolism
资金
- National Natural Science Foundation of China [31530016, 32090031, 31761133012]
- National Basic Research Program of China [2017YFA0503900]
- Shenzhen Science and Technology Innovation Commission [JCYJ20180507182213033, JCYJ20170412113009742]
Iron-sulfur clusters are redox-active protein cofactors that require many components for their synthesis and insertion into target proteins. Mitochondrial ISC assembly cooperates with the cytosolic Fe/S protein assembly system to mature cytosolic and nuclear ISC. ISCs play important roles in DNA metabolism.
Iron-sulfur (Fe/S) clusters (ISCs) are redox-active protein cofactors that their synthesis, transfer, and insertion into target proteins require many components. Mitochondrial ISC assembly is the foundation of all cellular ISCs in eukaryotic cells. The mitochondrial ISC cooperates with the cytosolic Fe/S protein assembly (CIA) systems to accomplish the cytosolic and nuclear Fe/S clusters maturation. ISCs are needed for diverse cellular functions, including nitrogen fixation, oxidative phosphorylation, mitochondrial respiratory pathways, and ribosome assembly. Recent research advances have confirmed the existence of different ISCs in enzymes that regulate DNA metabolism, including helicases, nucleases, primases, DNA polymerases, and glycosylases. Here we outline the synthesis of mitochondrial, cytosolic and nuclear ISCs and highlight their functions in DNA metabolism.
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