polycistronic primary transcripts 最好能有例句解释一下.

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polycistronic primary transcripts 最好能有例句解释一下.
polycistronic primary transcripts 最好能有例句解释一下.

polycistronic primary transcripts 最好能有例句解释一下.
意思:多顺反子的初级转录产物.就是未经加工的最初转录产物(不成熟的mRNA).
在原核细胞中,通常是几种不同的mRNA连在一起,相互之问由一段短的不编码蛋白质的间隔序列所隔开,这种mRNA叫做多顺反子mRNA.顺反子的概念来自遗传学中的顺反重组试验,是确定交换片段究竟在一个基因内还是属于两个基因的试验,简言之,一个顺反子就是一个基因,多顺反子就是多个基因.真核生物中也有多顺反子,比如C.elegans共有13500个基因,约25%的是多顺反子(polycistronic mRNA).

多顺反子性的前转录物
或者 多顺反子性的 初级转录物/转录物前体

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