A 1.66 kb expected S1 gene fragment of avian infectious brochitis virus (IBV) H strain was amplified by RT PCR. Its PCR/RFLP pattern was similar to IBV D 41 strain and M 41 strain when digested using BstYI, HaeⅢ and ...A 1.66 kb expected S1 gene fragment of avian infectious brochitis virus (IBV) H strain was amplified by RT PCR. Its PCR/RFLP pattern was similar to IBV D 41 strain and M 41 strain when digested using BstYI, HaeⅢ and EcoRI respectively. IBV H strain was thought as Massachusetts serotype.展开更多
文摘A 1.66 kb expected S1 gene fragment of avian infectious brochitis virus (IBV) H strain was amplified by RT PCR. Its PCR/RFLP pattern was similar to IBV D 41 strain and M 41 strain when digested using BstYI, HaeⅢ and EcoRI respectively. IBV H strain was thought as Massachusetts serotype.