1 Holton T A, Graham M W. A simple and efficient method for direct cloning of PCR products using ddT-tailed vectors. Nucleic Acids Res, 1991, 19: 1156？？
[2]
2 Katzen F. Gateway recombinational cloning: a biological operating system. Expert Opin Drug Discov, 2007, 2: 571–589？？
[3]
3 Hartley J L, Temple G F, Brasch M A. DNA cloning using in vitro site-specific recombination. Genome Res, 2000, 10: 1788–1795？？
[4]
4 Aslanidis C, de Jong P J. Ligation-independent cloning of PCR products (LIC-PCR). Nucleic Acids Res, 1990, 18: 6069–6074？？
[5]
5 Rashtchian A, Buchman G W, Schuster D M, et al. Uracil DNA glycosylase-mediated cloning of polymerase chain reaction-amplified DNA: application to genomic and cDNA cloning. Anal Biochem, 1992, 206: 91–97？？
[6]
6 Aslanidis C, de Jong P J, Schmitz G. Minimal length requirement of the single-stranded tails for ligation-independent cloning (LIC) of PCR products. PCR Methods Appl, 1994, 4: 172–177
[7]
7 Nassal M. The arginine-rich domain of the hepatitis B virus core protein is required for pregenome encapsidation and productive viral positive-strand DNA synthesis but not for virus assembly. J Virol, 1992, 66: 4107–4116
