反转录作用是在反转录酶的作用下,以dNTP为底物,以RNA为模板,tRNA(主要是色氨酸tRNA)为引物,在tRNA3′桹H末端上,按5′→3′方向,合成一条与RNA模板互补的DNA单链,这条DNA单链叫做互补DNA(complementary DNA, cDNA),它与RNA模板形成RNA桪NA杂交体。
概述了植物反转录转座子的类型结构及作为遗传工具在生物学中的作用。
The types and structures of plant retrotransposons were summarized. The retrotransposons were used as genetic tools in plant biology.
反转录转座子是植物中最不稳定的遗传元件之一,它们对基因组的大小、结构、功能和进化都有重要作用。
Retrotransposons are one of the most unstable genetic elements in the plant kingdom, they have the potential to dramatically affect gene function and host genome structure.
第二种方法,他使用药物以一种没有其他副作用的不明方法来专门抑制反转录酶基因的产生。
Second, he checked the drug was not bad for the embryos in some other, unknown, way by specifically turning off reverse transcriptaseproducing genes.
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