Mitochondrial metabolism and DNA methylation: a review of the interaction between two genomes.

Mitochondrial metabolism and DNA methylation: a review of the interaction between two genomes.
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DOI:
10.1186/s13148-020-00976-5
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发表时间:
2020-11-23
影响因子:
5.7
通讯作者:
F C Lopes A
F C Lopes A
中科院分区:
医学1区
文献类型:
--
作者:
F C Lopes A

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线粒体由两个基因组的协调控制:线粒体和核DNA。因此,作为突变和表观遗传修饰的结果的核基因表达的变化可以影响线粒体功能。相反,情况也可能相反。然而,线粒体功能障碍和表观遗传学之间的关系,如核DNA甲基化,在很大程度上仍然是未知的。线粒体作为中心代谢枢纽,通过一碳代谢、三羧酸循环和甲硫氨酸途径控制参与核DNA甲基化的一些主要底物。在这里,我们回顾了关键的发现,并强调了新的重点领域,最终目标是更进一步了解线粒体功能障碍对核表观遗传景观的基因组影响。
Mitochondria are controlled by the coordination of two genomes: the mitochondrial and the nuclear DNA. As such, variations in nuclear gene expression as a consequence of mutations and epigenetic modifications can affect mitochondrial functionality. Conversely, the opposite could also be true. However, the relationship between mitochondrial dysfunction and epigenetics, such as nuclear DNA methylation, remains largely unexplored. Mitochondria function as central metabolic hubs controlling some of the main substrates involved in nuclear DNA methylation, via the one carbon metabolism, the tricarboxylic acid cycle and the methionine pathway. Here, we review key findings and highlight new areas of focus, with the ultimate goal of getting one step closer to understanding the genomic effects of mitochondrial dysfunction on nuclear epigenetic landscapes.
链偏向线粒体 DNA 甲基化及其 DNMT3A 的调控
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