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Methyl-CODEC enables simultaneous methylation and duplex sequencing

delete2025-06-10
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PRE
AI
R
Ruolin Liu
L
L Walsh
R
Rachel Li
J
Jin H. Bae
H
Hayet Radia Zeggar
A
Azeet Narayan
K
Kan Xiong
G
G. Mike Makrigiorgos *
V
Viktor A. Adalsteinsson *
DOI:10.1093/nar/gkaf482delete
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摘要

摘要

En 中文
DNA突变和甲基化通常以协同方式促进疾病发展。尽管双链测序是检测DNA突变最准确的方法,但它通常缺乏同时评估甲基化的能力,或需要大量测序读数。在此,我们开发了Methyl-CODEC,以使用单对测序读数实现甲基化测序和双链测序的同时进行。为达到此目的,Methyl-CODEC将酶促脱氨的正链连接到反义链的反向互补链上,该反义链在链连接步骤中通过使用抗转化dCTPs得到保护。Methyl-CODEC与标准酶促或亚硫酸氢盐基全基因组甲基化测序具有高度一致性,同时独特地保留了原始DNA序列。我们证明,羟基甲基-dCTP在这方面优于其他抗转化dCTPs。Methyl-CODEC提高了遗传测序的准确性,优化了下一代测序的读数比对,并能区分C > T突变与未甲基化的C。它还能识别包括产生甲基化C在内的稀有突变,这些突变在CpG背景下富集。Methyl-CODEC为癌症和分子医学中生物标志物的增强检测开辟了新的前景。
Keyword:
DNA
QUANTIFICATION

期刊

Nucleic Acids Research 封面图
Nucleic Acids Research
IF:
13.1
论文数:
3.6W
被引数:
29.0W

机构

H
Harvard University
学者数:
26.5W
论文数: 22.0W
被引数: 28.7W
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