The helicase genes of Infectious spleen and kidney necrosis virus (ISKNV) and TFV were characterized, sequence analysed.

• 应用生物信息学软件对鳜鱼传染性脾肾坏死病毒（ISKNV）和虎纹蛙病毒（TFV）的解旋酶（helicase）基因进行了序列结构分析，并探讨了该基因的功能结构域。