主要参考文献：
Gao F, Shen XZ, Jiang F, Wu Y, Han C. DNA-guided genome editing using the Natronobacterium gregoryi Argonaute. Nat Biotechnol. 2016;34:768–73.
NgAgo: an exciting new tool for genome editing,Wang, H. Sci. Bull. (2016) 61: 1074. doi:10.1007/s11434-016-1117-8