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    • 48. 发明授权
    • Methods for detection of nucleotide modification
    • 核苷酸修饰检测方法
    • US09290807B2
    • 2016-03-22
    • US14235707
    • 2012-07-27
    • Michael John BoothShankar Balasubramanian
    • Michael John BoothShankar Balasubramanian
    • C12Q1/68
    • C12Q1/6876C01G55/002C07H1/00C07H21/02C07H21/04C12Q1/6806C12Q1/6827C12Q2600/154C12Q2523/115C12Q2523/125
    • This invention relates to the identification of modified cytosine residues, such as 5-methylcytosine (5mC), 5-hydroxymethylcytosine (5hmC) and 5-formylcytosine (5fC) to be distinguished from cytosine (C) in a sample nucleotide sequence. Methods may comprise oxidizing or reducing a first portion of polynucleotides which comprise the sample nucleotide sequence; treating the oxidized or reduced first portion and a second portion of polynucleotides with bisulfite; sequencing the polynucleotides in the first and second portions of the population following steps ii) and iii) to produce first and second nucleotide sequences, respectively and; identifying the residue in the first and second nucleotide sequences which corresponds to a cytosine residue in the sample nucleotide sequence. These methods may be useful, for example in the analysis of genomic DNA and/or of RNA.
    • 本发明涉及在样本核苷酸序列中鉴定与胞嘧啶(C)不同的修饰胞嘧啶残基如5-甲基胞嘧啶(5mC),5-羟甲基胞嘧啶(5hmC)和5-甲酰胞嘧啶(5fC)。 方法可以包括氧化或还原包含样品核苷酸序列的多核苷酸的第一部分; 用亚硫酸氢盐处理氧化或还原的第一部分和第二部分多核苷酸; 在步骤ii)和iii)之后对群体的第一和第二部分中的多核苷酸进行测序以分别产生第一和第二核苷酸序列; 识别与样品核苷酸序列中的胞嘧啶残基相对应的第一和第二核苷酸序列中的残基。 这些方法可能是有用的,例如在基因组DNA和/或RNA的分析中。