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Virologica Sinica

Peiqi Yin, Ye Li, Liya Zhou, Leiliang Zhang
No abstract text is available yet for this article.
March 14, 2018: Virologica Sinica
Lina Rustanti, Hongping Jin, Dongsheng Li, Mary Lor, Haran Sivakumaran, David Harrich
Nullbasic is a mutant form of HIV-1 Tat that has strong ability to protect cells from HIV-1 replication by inhibiting three different steps of viral replication: reverse transcription, Rev export of viral mRNA from the nucleus to the cytoplasm and transcription of viral mRNA by RNA polymerase II. We previously showed that Nullbasic inhibits transduction of human cells including T cells by HIV-1-based lentiviral vectors. Here we investigated whether the Nullbasic antagonists huTat2 (a Tat targeting intrabody), HIV-1 Tat or Rev proteins or cellular DDX1 protein could improve transduction by a HIV-1 lentiviral vector conveying Nullbasic-ZsGreen1 to human T cells...
March 14, 2018: Virologica Sinica
Shupeng Dong, Qiming Liang
An infection by Zika virus (ZIKV), a mosquito-borne flavivirus, broke out in South American regions in 2015, and recently showed a tendency of spreading to North America and even worldwide. ZIKV was first detected in 1947 and only 14 human infection cases were reported until 2007. This virus was previously observed to cause only mild flu-like symptoms. However, recent ZIKV infections might be responsible for the increasing cases of neurological disorders such as Guillain-Barré syndrome and congenital defects, including newborn microcephaly...
March 14, 2018: Virologica Sinica
Fan Luo, Fan-Lu Liao, Hui Wang, Hong-Bin Tang, Zhan-Qiu Yang, Wei Hou
No abstract text is available yet for this article.
March 14, 2018: Virologica Sinica
Junming Shi, Zhihong Hu, Fei Deng, Shu Shen
Ticks are important vectors for the transmission of pathogens including viruses. The viruses carried by ticks also known as tick-borne viruses (TBVs), contain a large group of viruses with diverse genetic properties and are concluded in two orders, nine families, and at least 12 genera. Some members of the TBVs are notorious agents causing severe diseases with high mortality rates in humans and livestock, while some others may pose risks to public health that are still unclear to us. Herein, we review the current knowledge of TBVs with emphases on the history of virus isolation and identification, tick vectors, and potential pathogenicity to humans and animals, including assigned species as well as the recently discovered and unassigned species...
March 13, 2018: Virologica Sinica
Han Xia, Yujuan Wang, Evans Atoni, Bo Zhang, Zhiming Yuan
Mosquitoes are classified into approximately 3500 species and further grouped into 41 genera. Epidemiologically, they are considered to be among the most important disease vectors in the world and they can harbor a wide variety of viruses. Several mosquito viruses are considered to be of significant medical importance and can cause serious public health issues throughout the world. Such viruses are Japanese encephalitis virus (JEV), dengue virus (DENV), chikungunya virus (CHIKV), and Zika virus (ZIKV). Others are the newly recognized mosquito viruses such as Banna virus (BAV) and Yunnan orbivirus (YNOV) with unclear medical significance...
March 12, 2018: Virologica Sinica
Abulimiti Moming, Xihong Yue, Shu Shen, Chenchen Chang, Cheng Wang, Tao Luo, Yanfang Zhang, Rong Guo, Zhihong Hu, Yujiang Zhang, Fei Deng, Surong Sun
The Crimean-Congo hemorrhagic fever virus (CCHFV), a member of the genus Orthonairovirus and family Nairoviridae, is transmitted by ticks and causes severe hemorrhagic disease in humans. To study the epidemiology of CCHFV in different ecosystems in Xinjiang, China, a total of 58,932 ticks were collected from Tarim Basin, Junggar Basin, Tianshan Mountain, and Altai Mountain from 2014 to 2017. Hyalomma asiaticum asiaticum was the dominant tick species in Tarim and Junggar basins, whereas Dermacentor nuttalli and Hyalomma detritum were found in Tianshan Mountain and Altai Mountain, respectively...
March 9, 2018: Virologica Sinica
Yanfang Zhang, Shu Shen, Yaohui Fang, Jinliang Liu, Zhengyuan Su, Jinhao Liang, Zhong Zhang, Qiaoli Wu, Cheng Wang, Abulikemu Abudurexiti, Zhihong Hu, Yujiang Zhang, Fei Deng
Crimean-Congo hemorrhagic fever (CCHF) caused by the CCHF virus (CCHFV) is a tick-borne natural focal disease with a mortality rate of approximately 50%. CCHFV is widely prevalent in Africa, southern Asia, the Middle East, and southeast Europe. CCHF outbreaks have been reported previously in Xinjiang province, China, especially in its southern region. Epidemiological surveys conducted on ticks and animals have revealed the presence of CCHFV strains in ticks, rodents, and infected individuals from cities and counties in southern Xinjiang...
March 8, 2018: Virologica Sinica
Zhiming Yuan
No abstract text is available yet for this article.
March 8, 2018: Virologica Sinica
Yanfeng Yao, Tao Zhang, Wenhai Yang, Zhiyong Shao, Bin He, Xiabing Chen, Lijun Wu, Erguang Jin, Haizhou Liu, Jianjun Chen, Jie Chen
No abstract text is available yet for this article.
March 5, 2018: Virologica Sinica
Ling'en Yang, Quanxi Wang, Lin Xu, Changchun Tu, Xiaohong Huang, Biao He
No abstract text is available yet for this article.
March 5, 2018: Virologica Sinica
Yi Li, Longquan Ni, Jianjun Chen, Juan Yang, Fei Deng, Hualin Wang
No abstract text is available yet for this article.
March 2, 2018: Virologica Sinica
Yun Luo, Bei Li, Ren-Di Jiang, Bing-Jie Hu, Dong-Sheng Luo, Guang-Jian Zhu, Ben Hu, Hai-Zhou Liu, Yun-Zhi Zhang, Xing-Lou Yang, Zheng-Li Shi
Previous studies indicated that fruit bats carry two betacoronaviruses, BatCoV HKU9 and BatCoV GCCDC1. To investigate the epidemiology and genetic diversity of these coronaviruses, we conducted a longitudinal surveillance in fruit bats in Yunnan province, China during 2009-2016. A total of 59 (10.63%) bat samples were positive for the two betacorona-viruses, 46 (8.29%) for HKU9 and 13 (2.34%) for GCCDC1, or closely related viruses. We identified a novel HKU9 strain, tentatively designated as BatCoV HKU9-2202, by sequencing the full-length genome...
March 2, 2018: Virologica Sinica
Ning Wang, Shi-Yue Li, Xing-Lou Yang, Hui-Min Huang, Yu-Ji Zhang, Hua Guo, Chu-Ming Luo, Maureen Miller, Guangjian Zhu, Aleksei A Chmura, Emily Hagan, Ji-Hua Zhou, Yun-Zhi Zhang, Lin-Fa Wang, Peter Daszak, Zheng-Li Shi
No abstract text is available yet for this article.
March 2, 2018: Virologica Sinica
Bo Wang, Wen Li, Ji-Hua Zhou, Bei Li, Wei Zhang, Wei-Hong Yang, Hong Pan, Li-Xia Wang, C Thomas Bock, Zheng-Li Shi, Yun-Zhi Zhang, Xing-Lou Yang
Hepatitis E virus (HEV) is the prototype of the family Hepeviridae and the causative agent of common acute viral hepatitis. Genetically diverse HEV-related viruses have been detected in a variety of mammals and some of them may have zoonotic potential. In this study, we tested 278 specimens collected from seven wild small mammal species in Yunnan province, China, for the presence and prevalence of orthohepevirus by broad-spectrum reverse transcription (RT)-PCR. HEV-related sequences were detected in two rodent species, including Chevrier's field mouse (Apodemus chevrieri, family Muridae) and Père David's vole (Eothenomys melanogaster, family Cricetidae), with the infection rates of 29...
March 2, 2018: Virologica Sinica
Han Xia, Yujuan Wang, Chenyan Shi, Evans Atoni, Lu Zhao, Zhiming Yuan
Vast viruses are thought to be associated with mosquitoes. Anopheles sinensis, Armigeres subalbatus, Culex quinquefasciatus, and Culex tritaeniorhynchus are very common mosquito species in China, and whether the virome structure in each species is species-specific has not been evaluated. In this study, a total of 2222 mosquitoes were collected from the same geographic location, and RNAs were sequenced using the Illumina Miseq platform. After querying to the Refseq database, a total of 3,435,781, 2,223,509, 5,727,523, and 6,387,867 paired-end reads were classified under viral sequences from An...
March 2, 2018: Virologica Sinica
Wen Li, Bo Wang, Bei Li, Wei Zhang, Yan Zhu, Zheng-Li Shi, Xing-Lou Yang
No abstract text is available yet for this article.
February 19, 2018: Virologica Sinica
Si-Qing Liu, Xiao Li, Ya-Nan Zhang, Ai-Li Gao, Cheng-Lin Deng, Jun-Hua Li, Shoukat Jehan, Nadia Jamil, Fei Deng, Hongping Wei, Bo Zhang
The chikungunya virus (CHIKV) is a mosquito-transmitted alphavirus, which has infected millions of people in Africa, Asia, Americas, and Europe since it reemerged in India and Indian Ocean regions in 2005-2006. Starting in the middle of November 2016, CHIKV has been widely spread, and more than 4,000 cases of infections in humans were confirmed in Pakistan. Here, we report the first isolation and characterization of CHIKV from the Pakistan outbreak. Eight CHIKV strains were newly isolated from human serum samples using a cell culture procedure...
December 21, 2017: Virologica Sinica
Junming Shi, Zhengyuan Su, Zhaojun Fan, Jun Wang, Siqing Liu, Bo Zhang, Hongping Wei, Shoukat Jehan, Nadia Jamil, Shu Shen, Fei Deng
Chikungunya virus (CHIKV) is a mosquito-borne virus that causes epidemics widely in the world especially in the tropical and subtropical regions. Phylogenetic analysis has found that the CHIKV lineages were associated with the spatial and temporal distributions, which were related to the virus adaption to the major mosquito species and their distributions. In this study, we reported the complete genome sequences of eight CHIKV isolates from the outbreak in Pakistan last year. Then we reviewed the evolutionary history using extensive phylogenetic analysis, analyzed lineagespecific substitutions in viral proteins, and characterized the spreading pathway of CHIKV strains including the Pakistani strains...
December 11, 2017: Virologica Sinica
Mengying Ji, Kanghong Hu
Chronic hepatitis B infection is caused by hepatitis B virus (HBV) and a total cure is yet to be achieved. The viral covalently closed circular DNA (cccDNA) is the key to establish a persistent infection within hepatocytes. Current antiviral strategies have no effect on the pre-existing cccDNA reservoir. Therefore, the study of the molecular mechanism of cccDNA formation is becoming a major focus of HBV research. This review summarizes the current advances in cccDNA molecular biology and the latest studies on the elimination or inactivation of cccDNA, including three major areas: (1) epigenetic regulation of cccDNA by HBV X protein, (2) immune-mediated degradation, and (3) genome-editing nucleases...
December 2017: Virologica Sinica
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