期刊
BIOTECHNOLOGY AND BIOENGINEERING
卷 118, 期 11, 页码 4204-4216出版社
WILEY
DOI: 10.1002/bit.27911
关键词
5-methylcytosine; DNA sequencing technologies; N4-methylcytosine; N6-methyladenine
资金
- National Natural Science Foundation of China [61772119, 61961031]
- Sichuan Provincial Science Fund for Distinguished Young Scholars [2020JDJQ0012]
- Science Strength Promotion Programme of UESTC
DNA modification is crucial in regulating gene expression in cell development, with advances in DNA sequencing technology allowing for the resolution of different modifications at a genome-wide scale. This has led to the discovery of new insights into the complexity and functions of multiple methylations. The review discusses various mapping approaches and the development of future sequencing technologies for improving detection resolution.
DNA modification plays a pivotal role in regulating gene expression in cell development. As prevalent markers on DNA, 5-methylcytosine (5mC), N6-methyladenine (6mA), and N4-methylcytosine (4mC) can be recognized by specific methyltransferases, facilitating cellular defense and the versatile regulation of gene expression in eukaryotes and prokaryotes. Recent advances in DNA sequencing technology have permitted the positions of different modifications to be resolved at the genome-wide scale, which has led to the discovery of several novel insights into the complexity and functions of multiple methylations. In this review, we summarize differences in the various mapping approaches and discuss their pros and cons with respect to their relative read depths, speeds, and costs. We also discuss the development of future sequencing technologies and strategies for improving the detection resolution of current sequencing technologies. Lastly, we speculate on the potentially instrumental role that these sequencing technologies might play in future research.
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