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Ma 2018 Nat Cell Biol

From Bioblast
Publications in the MiPMap
Ma C, Niu R, Huang T, Shao LW, Peng Y, Ding W, Wang Y, Jia G, He C, Li CY, He A, Liu Y (2018) N6-methyldeoxyadenine is a transgenerational epigenetic signal for mitochondrial stress adaptation. Nat Cell Biol 21:319-27.

ยป PMID: 30510156

Ma Chengchuan, Niu Rong, Huang Tianxiao, Shao Li-Wa, Peng Yong, Ding Wanqiu, Wang Ye, Jia Guifang, He Chuan, Li Chuan-Yun, He Aibin, Liu Ying (2018) Nat Cell Biol

Abstract: N6-methyldeoxyadenine (6mA), a major type of DNA methylation in bacteria, represents a part of restriction-modification systems to discriminate host genome from invader DNA[1]. With the recent advent of more sensitive detection techniques, 6mA has also been detected in some eukaryotes[2-8]. However, the physiological function of this epigenetic mark in eukaryotes remains elusive. Heritable changes in DNA 5mC methylation have been associated with transgenerational inheritance of responses to a high-fat diet[9], thus raising the exciting possibility that 6mA may also be transmitted across generations and serve as a carrier of inheritable information. Using Caenorhabditis elegans as a model, here we report that histone H3K4me3 and DNA 6mA modifications are required for the transmission of mitochondrial stress adaptations to progeny. Intriguingly, the global DNA 6mA level is significantly elevated following mitochondrial perturbation. N6-methyldeoxyadenine marks mitochondrial stress response genes and promotes their transcription to alleviate mitochondrial stress in progeny. These findings suggest that 6mA is a precisely regulated epigenetic mark that modulates stress response and signals transgenerational inheritance in C. elegans.

โ€ข Bioblast editor: Plangger M โ€ข O2k-Network Lab: CN Beijing Liu L

Labels: MiParea: Respiration, nDNA;cell genetics 

Organism: Caenorhabditis elegans 

Preparation: Intact cells 

Coupling state: ROUTINE 

HRR: Oxygraph-2k 

2019-02, CN 


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  3. Zhang G, Huang H, Liu D, Cheng Y, Liu X, Zhang W, Yin R, Zhang D, Zhang P, Liu J, Li C, Liu B, Luo Y, Zhu Y, Zhang N, He S, He C, Wang H, Chen D (2015) N6-methyladenine DNA modification in Drosophila. Cell 161:893โ€“906.
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