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重复序列

生物细胞中的DNA序列里面包含许多重复序列repeated sequence),主要可分为两大类,分别是串联重复序列(也叫串接重复序列,Tandem repeat)与散置重复序列(Interspersed repeat)。 串联重复和散置重复的区别在于重复的部分是否相邻分布,相邻就是串联重复,不相邻就是散置重复。如:ATGATGATGATG可以看作是关于ATG的串接重复;ATGXATGXXATG可以看作关于ATG的散置重复。两个主要类型又进一步划分为不同的子类型。

  • 散置重复
    • 短散落配置(short interspersed nuclear element;缩写SINE)
    • 长散落配置(long interspersed nuclear element;缩写LINE)
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重复序列
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