鎖核酸
鎖核酸(Locked nucleic acid,LNA)是一種經過修飾的RNA,LNA中一部分核糖上的2'與4'碳連結在一起。一般可見於A-DNA或RNA。
這類核酸可以增加引子或探針(probe)的融解溫度(Tm值),加強這些實驗用物質的穩定性,可應用在即時聚合酶連鎖反應(real-time PCR)等技術中。
參考文獻
- Kaur, H.; Arora, A.; Wengel, J.; Maiti, S. Thermodynamic, Counterion, and Hydration Effects for the Incorporation of Locked Nucleic Acid Nucleotides into DNA Duplexes. Biochemistry. 2006, 45 (23): 7347–55. doi:10.1021/bi060307w.
外部連結
- A predictor for the physical properties of LNA modified oligonucleotides
- LNA (locked nucleic acid): high-affinity targeting of complementary RNA and DNA (頁面存檔備份,存於網際網路檔案館)
- LNA: a versatile tool for therapeutics and genomics (頁面存檔備份,存於網際網路檔案館)
- Alternative Nucleic Acid Analogues for Programmable Assembly: Hybridization of LNA to PNA (頁面存檔備份,存於網際網路檔案館)