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单词 drosha
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dross

n. 渣滓;浮渣;碎屑

droshky

n. 无顶四轮马车

drosha
  • 英英释义
  • abstract:
    • 1

      Drosha is a Class 2 RNase III enzyme responsible for initiating the processing of microRNA (miRNA), or short RNA molecules naturally expressed by the cell that regulate a wide variety of other genes by interacting with the RNA-induced silencing complex (RISC) to induce cleavage of complementary messenger RNA (mRNA) as part of the RNAi pathway. A microRNA molecule is synthesized as a long RNA primary transcript known as a pri-miRNA, which is cleaved by Drosha to produce a characteristic stem-loop structure of about 70 base pairs long, known as a pre-miRNA.

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更新时间:2025/3/18 7:46:12