Chinese ferret badger（FB）-transmitted rabies is a serious threat to public health in southeast China. Although mostly associated with dogs, the rabies virus（RABV） presents genetic diversity and has a significantly...Chinese ferret badger（FB）-transmitted rabies is a serious threat to public health in southeast China. Although mostly associated with dogs, the rabies virus（RABV） presents genetic diversity and has a significantly wide host range in China. Instead of the dog-and wildlife-associated China ⅠI lineage in the past decades, the China Ⅰ lineage has become the main epidemic group hosted and transmitted by dogs. In this study, four new lineages, including 43 RABVs from FBs, have been classified within the dog-dominated China Ⅰ lineage since 2014. FBRABVs have been previously categorized in the China Ⅱ lineage. Moreover, FB-hosted viruses seem to have become the main independent FB-associated clade in the phylogenetic tree. This claim suggests that the increasing genetic diversity of RABVs in FBs is a result of the selective pressure from coexisting dog rabies. FB transmission has become complicated and serious with the coexistence of dog rabies. Therefore, apart from targeting FB rabies, priority should be provided by the appropriate state agencies to perform mass immunization of dog against rabies.展开更多
An epidemic of Chinese ferret badger-associated human rabies was investigated in Wuyuan county, Jiangxi province and rabies viruses isolates from ferret badgers in different districts in Jiangxi and Zhejiang provinces...An epidemic of Chinese ferret badger-associated human rabies was investigated in Wuyuan county, Jiangxi province and rabies viruses isolates from ferret badgers in different districts in Jiangxi and Zhejiang provinces were sequenced with their nucleotides and amino acids and aligned for epidemiological analysis. The results showed that the human rabies in Wuyuan are only associated with ferret badger bites; the rabies virus can be isolated in a high percentage of ferret badgers in the epidemic areas in Jiangxi and Zhejiang provinces; the isolates share the same molecular features in nucleotides and have characteristic amino acid signatures, i.e., 2 sites in the nucleoprotein and 3 sites in the glycoprotein, that are distinct from virus isolates from dogs in the same region. We conclude that rabies in Chinese ferret badgers has formed an independent transmission cycle and ferret badgers may serve as another important rabies reservoir independent of dog rabies in China.展开更多
为探明同域分布的鼬獾(Melogale moschata)和食蟹獴(Herpestes urva)的日活动节律、时间生态位及其两者共存机制,于2016年12月至2017年12月,在广西弄岗国家级自然保护区开展红外相机监测获取数据,后采用核密度估计(Kernel density estim...为探明同域分布的鼬獾(Melogale moschata)和食蟹獴(Herpestes urva)的日活动节律、时间生态位及其两者共存机制,于2016年12月至2017年12月,在广西弄岗国家级自然保护区开展红外相机监测获取数据,后采用核密度估计(Kernel density estimation)和重叠指数(Coefficient of overlap)对该地区的鼬獾和食蟹獴进行了研究。结果表明:鼬獾属于典型的夜行性动物,其日活动模式为双峰型,活动峰值出现在01:00—05:00和21:00—24:00;与雨季相比,旱季的活动峰值均提前1 h,活动高峰期延长3 h。食蟹獴为典型昼行性动物,其日活动模式为单峰型,活动峰值出现在11:00—18:00,与雨季相比,旱季活动高峰期提前并延长1 h。两者间的日活动模式重叠指数较低(Δ=0.17),但旱季(Δ=0.22)高于雨季(Δ=0.12)。两者主要通过改变时间生态位来避免对食物资源和领域的竞争,从而实现共存。展开更多
基金supported by the National Key Research and Development Program of China[2016YFD0500401,2016YFD0501000,2017YFD0502300,and 2017YFD0500600]
文摘Chinese ferret badger（FB）-transmitted rabies is a serious threat to public health in southeast China. Although mostly associated with dogs, the rabies virus（RABV） presents genetic diversity and has a significantly wide host range in China. Instead of the dog-and wildlife-associated China ⅠI lineage in the past decades, the China Ⅰ lineage has become the main epidemic group hosted and transmitted by dogs. In this study, four new lineages, including 43 RABVs from FBs, have been classified within the dog-dominated China Ⅰ lineage since 2014. FBRABVs have been previously categorized in the China Ⅱ lineage. Moreover, FB-hosted viruses seem to have become the main independent FB-associated clade in the phylogenetic tree. This claim suggests that the increasing genetic diversity of RABVs in FBs is a result of the selective pressure from coexisting dog rabies. FB transmission has become complicated and serious with the coexistence of dog rabies. Therefore, apart from targeting FB rabies, priority should be provided by the appropriate state agencies to perform mass immunization of dog against rabies.
基金supported by the Key Project of National Science Foundation of China (Approval No. 30630049)China National "863" Program (Approval No. 2011AA10A212)the China National "973" Program (Approval No. 2012CB722501)
文摘An epidemic of Chinese ferret badger-associated human rabies was investigated in Wuyuan county, Jiangxi province and rabies viruses isolates from ferret badgers in different districts in Jiangxi and Zhejiang provinces were sequenced with their nucleotides and amino acids and aligned for epidemiological analysis. The results showed that the human rabies in Wuyuan are only associated with ferret badger bites; the rabies virus can be isolated in a high percentage of ferret badgers in the epidemic areas in Jiangxi and Zhejiang provinces; the isolates share the same molecular features in nucleotides and have characteristic amino acid signatures, i.e., 2 sites in the nucleoprotein and 3 sites in the glycoprotein, that are distinct from virus isolates from dogs in the same region. We conclude that rabies in Chinese ferret badgers has formed an independent transmission cycle and ferret badgers may serve as another important rabies reservoir independent of dog rabies in China.
文摘为探明同域分布的鼬獾(Melogale moschata)和食蟹獴(Herpestes urva)的日活动节律、时间生态位及其两者共存机制,于2016年12月至2017年12月,在广西弄岗国家级自然保护区开展红外相机监测获取数据,后采用核密度估计(Kernel density estimation)和重叠指数(Coefficient of overlap)对该地区的鼬獾和食蟹獴进行了研究。结果表明:鼬獾属于典型的夜行性动物,其日活动模式为双峰型,活动峰值出现在01:00—05:00和21:00—24:00;与雨季相比,旱季的活动峰值均提前1 h,活动高峰期延长3 h。食蟹獴为典型昼行性动物,其日活动模式为单峰型,活动峰值出现在11:00—18:00,与雨季相比,旱季活动高峰期提前并延长1 h。两者间的日活动模式重叠指数较低(Δ=0.17),但旱季(Δ=0.22)高于雨季(Δ=0.12)。两者主要通过改变时间生态位来避免对食物资源和领域的竞争,从而实现共存。
