小反刍兽疫（Peste des Petits Ruminants，PPR）是由副粘病毒科麻疹病毒属PPRV引起的一种山羊和绵羊的急性或亚急性病毒病，是一种严重的烈性、接触性传染病，主要感染小反刍兽，特别是山羊高度易感，别的野生动物也可发生。PPRV是联...小反刍兽疫（Peste des Petits Ruminants，PPR）是由副粘病毒科麻疹病毒属PPRV引起的一种山羊和绵羊的急性或亚急性病毒病，是一种严重的烈性、接触性传染病，主要感染小反刍兽，特别是山羊高度易感，别的野生动物也可发生。PPRV是联合国粮农组织（FAO）和世界动物卫生组织（OIE）规定的A类烈性传染病，我国规定为一类动物疫病。展开更多
绵羊痘与山羊痘(sheep and goat pox)分别是由SPPV或GTPV引起的一种高度接触性传染病.主要表现为皮肤和粘膜上出现特异性的痘疹,伴以发热、呼吸困难、流粘液性或粘脓性鼻液为特征.国际兽疫局(OIE)在1997年将该病列为A类传染病,我国也将...绵羊痘与山羊痘(sheep and goat pox)分别是由SPPV或GTPV引起的一种高度接触性传染病.主要表现为皮肤和粘膜上出现特异性的痘疹,伴以发热、呼吸困难、流粘液性或粘脓性鼻液为特征.国际兽疫局(OIE)在1997年将该病列为A类传染病,我国也将其列为甲类动物传染病.本病现已引起世界各国的高度重视,有本病的国家和地区其易感动物及其相关产品被列为严格限制进出的对象.展开更多
Five isolates of pigeon paramyxovirus Ⅰ（PPMV-Ⅰ）,designated as YZ9712,NC9701,NP9904,PB9601 and SZa9803,were isolated from pigeons during epizootics recently in China.The F gene functional domains were amplified by ...Five isolates of pigeon paramyxovirus Ⅰ（PPMV-Ⅰ）,designated as YZ9712,NC9701,NP9904,PB9601 and SZa9803,were isolated from pigeons during epizootics recently in China.The F gene functional domains were amplified by RT-PCR and then cloned into pGEMDR○-T vector and sequenced.A phylogenetic tree based on nucleotide sequence of the F gene segment revealed all the strains were divided into seven genotypes,and five PPMV-Ⅰ isolates similar to strains 1168/84 and 760/83 were grouped into subgenotype Ⅵb.The homology between these five isolates were 98.3%～99.4% and 97.8%～99.4% at the nucleotide and amino acid levels respectively.The deduced amino acid sequence at the cleavage site of the F protein was of virulent strains112K-R-Q-K-R-F117?All the isolates had highly genetic similarity to the England reference strain 1168/84 and Wales reference strain 760/83 of PPMV-Ⅰ,suggesting that they might have originated from a common ancestor.展开更多
文摘小反刍兽疫（Peste des Petits Ruminants，PPR）是由副粘病毒科麻疹病毒属PPRV引起的一种山羊和绵羊的急性或亚急性病毒病，是一种严重的烈性、接触性传染病，主要感染小反刍兽，特别是山羊高度易感，别的野生动物也可发生。PPRV是联合国粮农组织（FAO）和世界动物卫生组织（OIE）规定的A类烈性传染病，我国规定为一类动物疫病。
文摘绵羊痘与山羊痘(sheep and goat pox)分别是由SPPV或GTPV引起的一种高度接触性传染病.主要表现为皮肤和粘膜上出现特异性的痘疹,伴以发热、呼吸困难、流粘液性或粘脓性鼻液为特征.国际兽疫局(OIE)在1997年将该病列为A类传染病,我国也将其列为甲类动物传染病.本病现已引起世界各国的高度重视,有本病的国家和地区其易感动物及其相关产品被列为严格限制进出的对象.
文摘Five isolates of pigeon paramyxovirus Ⅰ（PPMV-Ⅰ）,designated as YZ9712,NC9701,NP9904,PB9601 and SZa9803,were isolated from pigeons during epizootics recently in China.The F gene functional domains were amplified by RT-PCR and then cloned into pGEMDR○-T vector and sequenced.A phylogenetic tree based on nucleotide sequence of the F gene segment revealed all the strains were divided into seven genotypes,and five PPMV-Ⅰ isolates similar to strains 1168/84 and 760/83 were grouped into subgenotype Ⅵb.The homology between these five isolates were 98.3%～99.4% and 97.8%～99.4% at the nucleotide and amino acid levels respectively.The deduced amino acid sequence at the cleavage site of the F protein was of virulent strains112K-R-Q-K-R-F117?All the isolates had highly genetic similarity to the England reference strain 1168/84 and Wales reference strain 760/83 of PPMV-Ⅰ,suggesting that they might have originated from a common ancestor.
