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Archives of Virology

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https://www.readbyqxmd.com/read/28736804/study-of-the-association-between-histo-blood-group-antigens-and-norovirus-infection-in-chinese-children
#1
Zhu-Lun Zhuang, Yu Jin, Kun-Long Yan, Wei-Xia Cheng
Human caliciviruses (HuCVs) have been recognized as a major cause of sporadic viral diarrhea in children, among which norovirus genotype GII.4 is the most prevalent genotype. Stool and saliva samples were collected from 295 children with acute diarrhea and 150 asymptomatic children at a hospital in China. The HuCV detection rate was 10.85% (32/295) among the children with acute diarrhea, and all of these 32 children were either HBGA secretors (12/32) or partial secretors (20/32). HuCV was detected in two (1...
July 24, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28736803/genetic-and-pathogenic-analysis-of-a-novel-reassortant-h5n6-influenza-virus-isolated-from-waterfowl-in-south-korea-in-2016
#2
In Hong Lee, Seo Yeon Jin, Sang Heui Seo
A novel reassortant highly pathogenic H5N6 influenza virus was isolated from waterfowl in South Korea in 2016. Seven genes of this virus originated from an H5N6 virus from China, whereas the remaining gene, PB1, was from an unknown virus. This virus productively infected pigs, which showed viral shedding through their noses and developed severe interstitial pneumonia.
July 24, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28730524/genetic-characterization-of-novel-reassortant-h5n6-subtype-influenza-viruses-isolated-from-cats-in-eastern-china
#3
Xueliang Cao, Fan Yang, Haibo Wu, Lihua Xu
Cats are susceptible to influenza A viruses and therefore may act as transmission vectors within households, posing a potential public health concern. Two novel reassortant H5N6 influenza viruses were isolated from cats in Zhejiang Province, Eastern China, in 2016. Both viruses were characterized by whole-genome sequencing with subsequent phylogenetic analysis and genetic comparison. Phylogenetic analysis showed that these viruses received their genes from H5N6, H9N2, and H7N9 influenza viruses isolated from China...
July 21, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28730523/antibody-dependent-enhancement-of-serotype-ii-feline-enteric-coronavirus-infection-in-primary-feline-monocytes
#4
Tomomi Takano, Mamiko Nakaguchi, Tomoyoshi Doki, Tsutomu Hohdatsu
Feline coronavirus (FCoV) has been classified into two biotypes: avirulent feline coronavirus (feline enteric coronavirus: FECV) and virulent feline coronavirus (feline infectious peritonitis virus: FIPV). In FIPV infection, antibody-dependent enhancement (ADE) has been reported and was shown to be associated with severe clinical disease. On the other hand, the potential role of ADE in FECV infection has not been examined. In this study, using laboratory strains of serotype II FIPV WSU 79-1146 (FIPV 79-1146) and serotype II FECV WSU 79-1683 (FECV 79-1683), we investigated the relationship between ADE and induction of inflammatory cytokines, which are pathogenesis-related factors, for each strain...
July 20, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28730522/characterization-of-reassortant-h1-subtype-avian-influenza-viruses-isolated-from-poultry-in-zhejiang-province-in-china-from-2013-to-2015
#5
Haibo Wu, Rufeng Lu, Xiuming Peng, Fumin Liu, Linfang Cheng, Nanping Wu
From 2013 to 2015, 32 H1-subtype avian influenza viruses (AIVs), H1N2 (n = 12), H1N3 (n = 14), H1N4 (n = 4) and H1N9 (n = 2), were isolated from poultry in Zhejiang Province in eastern China. These strains were characterized by whole-genome sequencing with subsequent phylogenetic analysis and genetic comparison. Phylogenetic analysis of all eight viral genes showed that these strains clustered in the AIV Eurasian lineage. These strains were found to be minimally pathogenic in mice and were able to replicate in mice without prior adaptation...
July 20, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28730521/complete-genomic-sequence-of-a-duck-enteritis-virus-attenuated-via-serial-passage-in-chick-embryos
#6
Chenghuai Yang, Bing Zhang, Junping Li, Xiaojie Huang, Dan Liu, Lidan Hou, Qihong Li, Huijiao Li
Here, we present the complete genomic sequence of an attenuated duck enteritis virus (DEV). The Chinese standard challenge strain of DEV (DEV CSC) was serially passaged 20 times in chick embryo fibroblasts and then 85 times in chick embryos. The virus was attenuated and was avirulent to 2-month-old ducks. The attenuated DEV genome is 162,131 base pairs (bp) in length and as long as the parental genomic sequence. There are only 22 nucleotide substitutions, resulting in single amino acid changes in open reading frames LORF5, LORF4, UL41, UL39, UL32, UL13, UL10, UL3, US3, US4 and US7...
July 20, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28730520/a-betabaculovirus-dna-polymerase-cannot-substitute-for-the-dna-polymerase-of-the-alphabaculovirus-autographa-californica-nucleopolyhedrovirus
#7
Guoqing Chen, Yang Fang, Lijuan Wu, Qing Yan, Peter J Krell, Guozhong Feng
DNA polymerase (DNApol) is present in all baculoviruses and plays a crucial role in viral DNA replication. Previously we showed that the DNApol of the alphabaculovirus group II Spodoptera litura nucleopolyhedrovirus (SpltNPV) could partially substitute for the DNApol of a group I alphabaculovirus, Autographa californica multiple nucleopolyhedrovirus (AcMNPV). However, it is not known if a betabaculovirus DNApol could subsititute for the alphabaculovirus DNApol in AcMNPV. In this report, DNApol of the betabaculovirus Pieris rapae granulovirus (PiraGV) was inserted into a dnapol-null AcMNPV bacmid, creating Bac-AcΔpol:PrPol...
July 20, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28726130/transmission-network-characteristics-based-on-env-and-gag-sequences-from-msm-during-acute-hiv-1-infection-in-beijing-china
#8
Zhimin Zhang, Lili Dai, Yan Jiang, Kaidi Feng, Lifeng Liu, Wei Xia, Fengjiao Yu, Jun Yao, Wenge Xing, Lijun Sun, Tong Zhang, Hao Wu, Bin Su, Maofeng Qiu
Molecular epidemiology can be used to identify human immunodeficiency virus (HIV) transmission clusters, usually using pol sequence for analysis. In the present study, we explored appropriate parameters to construct a simple network using HIV env and gag sequences instead of pol sequences for constructing a phylogenetic tree and a genetic transmission subnetwork, which were used to identify individuals with many potential transmission links and to explore the evolutionary dynamics of the virus among men who have sex with men (MSM) in Beijing...
July 19, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28726129/immunological-aspects-of-rabies-a-literature-review
#9
REVIEW
Iana Suly Santos Katz, Fernanda Guedes, Elaine Raniero Fernandes, Sandriana Dos Ramos Silva
Rabies is a lethal disease caused by the neurotropic virus rabies virus (RABV), and it remains an important public health problem globally. It is known that the host immune response is important for control of viral infection and promoting viral clearance. In this context, it is well documented that, in addition to RABV neutralizing antibody, interferons and cell-mediated immunity also have an important role in preventing the establishment of disease. On the other hand, RABV suppresses host immunity through different mechanisms, for example, direct inhibition of host gene expression, sequestration of pathogen-associated molecular patterns, or modification of cytokine signalling pathways, which hinder the protective host immune responses to RABV infection...
July 19, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28717858/complete-nucleotide-sequence-of-a-novel-bovine-viral-diarrhea-virus-subtype-1-isolate-from-italy
#10
Moira Bazzucchi, Luigi Bertolotti, Letizia Ceglie, Monica Giammarioli, Elisabetta Rossi, Sergio Rosati, Gian Mario De Mia
To gain further insight into the genomic features of bovine viral diarrhea virus 1 (BVDV-1) subtypes, we sequenced the complete genome of the BVDV-1 isolate VE/245/12. This is an uncommon subtype that was isolated from a persistently infected animal. Here, we report the complete genome sequence, consisting of 12,295 nucleotides (nt) with an open reading frame of 11,694 nt encoding 3,898 amino acids. Phylogenetic analysis of the full-length genome, 5'-UTR, and N(pro) region confirmed that the BVDV-1 isolate differed significantly from all of the bovine pestiviruses identified so far, providing evidence for the presence of a distinct novel genetic group...
July 17, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28717857/concordance-of-hpv-load-and-hpv-mrna-for-16-carcinogenic-possibly-carcinogenic-hpv-types-in-paired-smear-tissue-cervical-cancer-specimens
#11
Gordana Halec, Bolormaa Dondog, Michael Pawlita, Markus Schmitt
HPV types with high viral load are associated with cervical abnormalities. However, viral load measurements and concordance of HPV loads and viral mRNA have not been demonstrated for all high-risk/possibly high-risk (HR-/pHR-)HPV types in cervical cancer (CxCa). Especially, the biological role of co-infecting HR-/pHR-HPV types with low viral load has not been thoroughly investigated. Using BSGP5+/6+-PCR/MPG genotyping, we analyzed viral loads for all currently defined 51 mucosal HPV types in 74 cervical smears from patients with CxCa and compared this data with HPV DNA and mRNA status in these patients' corresponding CxCa tissues...
July 17, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28707272/first-molecular-characterization-of-canine-parvovirus-strains-in-sardinia-italy
#12
S Dei Giudici, T Cubeddu, A Giagu, G Sanna, S Rocca, A Oggiano
Canine parvovirus type 2 (CPV-2) is responsible of acute hemorrhagic gastroenteritis in young dogs. CPV-2 emerged in 1978 in the USA, but new antigenic types, CPV-2a, 2b and 2c, have completely replaced the original type. In this study, we analyzed 81 animals collected in Sardinia, Italy. The VP2 sequence analysis of 27 positive samples showed that all antigenic CPV-2 types are circulating. CPV-2b seems to be the most widespread variant, followed by CPV-2a. Furthermore, 12 CPV-2b strains displayed further amino acid substitutions and formed a separate cluster in a phylogenetic tree, indicating regional genetic variation...
July 14, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28707271/identification-and-genetic-characterization-of-a-novel-circular-single-stranded-dna-virus-in-a-human-upper-respiratory-tract-sample
#13
Lunbiao Cui, Binyao Wu, Xiaojuan Zhu, Xiling Guo, Yiyue Ge, Kangchen Zhao, Xian Qi, Zhiyang Shi, Fengcai Zhu, Lixin Sun, Minghao Zhou
Metagenomic analysis through high-throughput sequencing is a tool for detecting both known and novel viruses. Using this technique, a novel circular single-stranded DNA (ssDNA) virus genome was discovered in respiratory secretions from a febrile traveler. The virus, named human respiratory-associated PSCV-5-like virus (HRAPLV), has a genome comprising 3,018 bases, with two major putative ORFs inversely encoding capsid (Cap) and replicase (Rep) protein and separated by two intergenic regions. One stem-loop structure was predicted in the larger intergenic region (LIR)...
July 13, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28707270/profiling-of-cellular-microrna-responses-during-the-early-stages-of-kshv-infection
#14
Hosni A M Hussein, Shaw M Akula
Kaposi's sarcoma-associated herpesvirus (KSHV) causes a variety of cancers, including Kaposi's sarcoma (KS), primary effusion lymphoma (PEL), and multicentric Castleman disease (MCD). Host cellular microRNAs (miRNAs) play important post-transcriptional regulatory roles in gene expression and can greatly influence virus-host cell interactions. This study investigated cellular miRNA expression profiles operating in response to early stages of KSHV infection of human Burkitt lymphoma B cells (BJAB). We employed deep sequencing to analyze miRNA expression in KSHV-infected BJAB cells 15 min post infection (PI) and compared this to uninfected BJAB cells...
July 13, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28707269/complete-genomic-sequence-of-common-reed-chlorotic-stripe-virus-a-novel-member-of-the-family-potyviridae
#15
Wen Yuan, Kaitong Du, Zaifeng Fan, Tao Zhou
Common reed (Phragmites australis) plants showing chlorotic stripe symptoms on leaves were found in Gansu Province, China. Deep sequencing of small RNAs from symptomatic leaves identified a putative potyvirus, which was named common reed chlorotic stripe virus (CRCSV). The full genome sequence was determined by reverse transcription PCR, rapid amplification of cDNA ends (RACE) PCR, and sequencing. It consists of 9,426 nucleotides, excluding the poly(A) tail, and contains a large open reading frame encoding a polyprotein of 3,014 amino acids...
July 13, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28702933/characterization-of-simbu-serogroup-virus-infections-in-type-i-interferon-receptor-knock-out-mice
#16
Kerstin Tauscher, Kerstin Wernike, Melina Fischer, Anne Wegelt, Bernd Hoffmann, Jens Peter Teifke, Martin Beer
In late 2011, Schmallenberg virus (SBV), a novel, arthropod-borne, teratogenic orthobunyavirus, emerged near the German/Dutch border and thereafter spread rapidly throughout the continent thereby causing great economic losses in European livestock. SBV mainly infects ruminants and closely related viruses such as Sabo virus (SABOV), Simbu virus (SIMBUV) and Sathuperi virus (SATV) have been isolated from their insect-vectors or putative ruminant hosts. However, information about their pathogenesis and in vivo studies with SABOV, SIMBUV, and SATV are scarce...
July 12, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28702932/phylogenetic-analysis-of-rabbit-haemorrhagic-disease-virus-rhdv-strains-isolated-in-poland
#17
Andrzej Fitzner, Wieslaw Niedbalski
The aim of this study was to characterise the nucleotide and amino acid sequence of complete genomes (7.5 kb) from RHDV strains isolated in Poland and estimate the genetic variability in different elements of the viral RNA. In addition, the sequence of Polish RHDV isolates isolated from 1988-2015 was compared with the sequences of other European RHDV, including the RHDVa and RHDV2/RHDVb subtypes. The complete sequence was developed by the compilation of partial nucleotide sequences. This sequence consisted of approximately 7428 nucleotides...
July 12, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28702931/autophagy-induced-by-bovine-viral-diarrhea-virus-infection-counteracts-apoptosis-and-innate-immune-activation
#18
Yulong Zhou, Yachao Ren, Yanlong Cong, Yu Mu, Renfu Yin, Zhuang Ding
Bovine viral diarrhea virus (BVDV) is an important pathogen of cattle that plays a complex role in disease. There are two biotypes of BVDV: non-cytopathic (NCP) and cytopathic (CP). One strategy that has been used to treat or prevent virus-associated diseases is the modulation of autophagy, which is used by the innate immune system to defend against viral infection; however, at present, the interplay between autophagy and BVDV remains unclear. Madin-Darby bovine kidney cells stably expressing microtubule-associated protein 1 light chain 3B (LC3B) with green fluorescent protein (GFP) (GFP-LC3-MDBK cells) and autophagy-deficient MDBKs (shBCN1-MDBK cells) were constructed...
July 12, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28695276/complete-genome-sequence-of-rice-virus-a-a-new-member-of-the-family-tombusviridae
#19
Fumei Zhao, Dasom Baek, Davaajargal Igori, Ju Young Bae, Sang-Min Kim, Ji-Eun Ra, Ki Do Park, Bong Choon Lee, Jae Sun Moon
An evaluation of the virus population in rice plants using next-generation sequencing technologies resulted in the discovery of a new RNA virus, tentatively named rice virus A (RVA). The complete RVA genome sequence was determined and analyzed, revealing a genome organization resembling that of viruses classified in the genera Aureusvirus, Tombusvirus and Zeavirus within the family Tombusviridae. With 4,832 nucleotides, the RVA genome may be the largest monopartite genome sequenced to date in the family Tombusviridae...
July 10, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28691129/preponderance-of-enterovirus-c-in-rd-l20b-cell-culture-negative-stool-samples-from-children-diagnosed-with-acute-flaccid-paralysis-in-nigeria
#20
J A Adeniji, A O Oragwa, U E George, U I Ibok, T O C Faleye, M O Adewumi
Recently, a reverse transcriptase semi-nested polymerase chain reaction (RT-snPCR) assay was recommended by the WHO for direct detection of enteroviruses in clinical specimens. In this study, we use this assay and a modification thereof to screen acute flaccid paralysis (AFP) samples that had previously tested negative for enteroviruses by the RD-L20B algorithm. Thirty paired stool suspensions collected in 2015 as part of the national AFP surveillance program in different states of Nigeria were analyzed in this study...
July 10, 2017: Archives of Virology
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