9Thompson J D, Gibson T J, Plewniak F, et al. The ClustalX windows interface:flexible steategies for multiple sequence alignment aided by quality analysis tools[ J]. Nucleic Acid Research, 1997,25:4876-4882.
10Kumar S,Tamura K, Nei M,et al. MEGA3 :Integrated software for molecular evolutionary genetics analysis and sequence alignment[J]. Briefings in Bioinformaties,2004,5 : 150-163.
