摘要：论述了双链RNA对同源基因的表达进行特异性的封闭而引起的转录后的基因沉默(PTGS/RNAi)现象,PTGS/RNAi的作用机理,作用模型,参与这一过程的酶、基因、起始因子和作用因子,介绍了PTGS/RNAi在基因组功能研究、基因的时空表达调控以及在作物改良等方面的应用.
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Acta Mathematicae Applicatae Sinica Applied Mathematics and Mechanics China Petroleum Processing Petrochemical Technology Petroleum Science Chinese Optics Letters Acta Biochimica et Biophysica Sinica Applied Mathematics:A Journal of Chinese Universities Advances in Atmospheric Sciences Research in Astronomy and Astrophysics Journal of Systems Science and Complexity Communications in Theoretical Physics Journal of Integrative Plant Biology