Comparison of vpl of gpv strain hl with other parvoviruses showed that the homology between gpv strain h1 and aav - 2 was higher than that of gpv stains h1 and other autonomous parvoviruses Gpvh1株与其他细小病毒vp1的氨基酸序列同源性比较证明gpvh1与依赖病毒aav - 2的同源性高于与自主细小病毒的同源性。