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Archives of Virology

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https://www.readbyqxmd.com/read/27921175/molecular-characterization-of-a-new-soybean-infecting-member-of-the-genus-nepovirus-identified-by-high-throughput-sequencing
#1
Tuba Yasmin, Berlin D Nelson, Houston A Hobbs, Nancy K McCoppin, Kris N Lambert, Leslie L Domier
The complete nucleotide sequence of a new soybean-infecting member of the genus Nepovirus (provisionally named "soybean latent spherical virus" [SLSV]) was identified by high-throughput sequencing of RNAs from soybean leaf samples from North Dakota, USA. The sequences of RNAs 1 (8,190 nt) and 2 (5,788 nt) were completed by rapid amplification of cDNA ends. Each contained a single long open reading frame and a 3' nontranslated region of greater than 1,500 nt. The predicted amino acid sequences of the two ORFs were most closely related to nepoviruses in subgroup C...
December 5, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27909932/complete-nucleotide-sequences-of-seven-soybean-mosaic-viruses-smv-isolated-from-wild-soybeans-glycine-soja-in-china
#2
Yun-Xia Chen, Mian Wu, Fang-Fang Ma, Jian-Qun Chen, Bin Wang
Soybean mosaic virus (SMV) is a devastating plant virus classified in the family Potyviridae, and known to infect cultivated soybeans (Glycine max). In this study, seven new SMVs were isolated from wild soybean samples and analyzed by whole-genome sequencing. An updated SMV phylogeny was built with the seven new and 83 known SMV genomic sequences. Results showed that three northeastern SMV isolates were distributed in clade III and IV, while four southern SMVs were grouped together in clade II and all contained a recombinant BCMV fragment (~900 bp) in the upstream part of the genome...
December 1, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27900468/complete-genome-sequence-of-a-variant-of-maize-associated-totivirus-from-ecuador
#3
Robert A Alvarez-Quinto, Rodrigo F Espinoza-Lozano, Carlos A Mora-Pinargote, Diego F Quito-Avila
The complete genomic sequence of a variant of the recently reported maize-associated totivirus (MATV) from China was obtained from commercial maize in Ecuador. The genome of MATV-Ec (Ecuador) (4,998 bp) is considerably longer than that of MATV-Ch (China) (3,956 bp), the main difference due to a ≈ 1-kb-long capsid-protein-encoding fragment that is completely absent from the Chinese genome. Sequence alignments between MATV-Ec and MATV-Ch showed an overall identity of 82% at the nucleotide level, whereas at the amino acid level, the viruses exhibited 95% and 94% identity for the putative capsid protein and the RNA-dependent RNA polymerase (RdRp), respectively...
November 30, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27900540/a-novel-east-african-monopartite-begomovirus-betasatellite-complex-that-infects-vernonia-amygdalina
#4
Happyness G Mollel, Joseph Ndunguru, Peter Sseruwagi, Titus Alicai, John Colvin, Jesús Navas-Castillo, Elvira Fiallo-Olivé
The complete genomes of a monopartite begomovirus (genus Begomovirus, family Geminiviridae) and an associated betasatellite found infecting Vernonia amygdalina Delile (family Compositae) in Uganda were cloned and sequenced. Begomoviruses isolated from two samples showed the highest nucleotide sequence identity (73.1% and 73.2%) to an isolate of the monopartite begomovirus tomato leaf curl Vietnam virus, and betasatellites from the same samples exhibited the highest nucleotide sequence identity (67.1% and 68...
November 29, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27896563/broad-spectrum-antiviral-properties-of-andrographolide
#5
REVIEW
Swati Gupta, K P Mishra, Lilly Ganju
Andrographolide, a diterpenoid, is known for its anti-inflammatory effects. It can be isolated from various plants of the genus Andrographis, commonly known as 'creat'. This purified compound has been tested for its anti-inflammatory effects in various stressful conditions, such as ischemia, pyrogenesis, arthritis, hepatic or neural toxicity, carcinoma, and oxidative stress, Apart from its anti-inflammatory effects, andrographolide also exhibits immunomodulatory effects by effectively enhancing cytotoxic T cells, natural killer (NK) cells, phagocytosis, and antibody-dependent cell-mediated cytotoxicity (ADCC)...
November 28, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27896562/characterization-of-isolates-of-equine-infectious-anemia-virus-in-brazil
#6
Dellane Martins Tigre, Camila Fonseca Lopes Brandão, Fabiana Lopes de Paula, Fabio Alexandre Chinalia, Gubio Soares Campos, Silvia Ines Sardi
Equine infectious anemia is an important infectious disease that affects equids worldwide. Control of the disease is currently based on detection of anti-p26 EIAV by Agar Gel Immunodiffusion (AGID). In this work, 62 animals were examined by AGID and nested-PCR using primers for the gag gene. Fifty-three samples (85.5%) were positive by nested-PCR, whereas only 33 samples (53%) were positive for AGID. Fifteen amplicons obtained by nested-PCR were sequenced and the aligned results subjected to phylogenetic analysis...
November 28, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27888410/genome-sequence-prevalence-and-quantification-of-the-first-iflavirus-identified-in-a-phytoplasma-insect-vector
#7
Simona Abbà, Luciana Galetto, Marta Vallino, Marika Rossi, Massimo Turina, Anne Sicard, Cristina Marzachì
The leafhopper Euscelidius variegatus is a natural vector of chrysanthemum yellows phytoplasma (CY) and an efficient vector of flavescence dorée phytoplasma (FD) under laboratory conditions. During a transcriptome sequencing (RNA-seq) project aimed at investigating the interactions between the insect and the two phytoplasmas, a 10,616-nucleotide-long contig with high sequence similarity to known picorna-like viruses was identified among the assembled insect transcripts. The discovery came totally unexpected, because insects from the laboratory colony did not show any evident symptom that could be related to the presence of a virus...
November 25, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27888409/duplications-in-the-3-termini-of-three-segments-of-fusarium-graminearum-virus-china-9
#8
Christine Blum, Stefanie Götsch, Cornelia Heinze
The hypovirulence-inducing Fusarium graminearum virus China 9 (FgV-ch9) was described recently and is closely related to the Fusarium graminearum mycovirus-2 (FgV2). Both viruses share common properties of viruses belonging to the family Chrysoviridae. Re-sequencing of FgV-ch9 revealed duplications of the 3' non-coding regions of segments 2 and 3. Both duplications are arranged in a head-to-tail array, are attached to the complete terminus, and do not affect the encoded gene. An internal duplication was found in segment 5...
November 25, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27888408/extra-intestinal-detection-of-canine-kobuvirus-in-a-puppy-from-southern-brazil
#9
Juliane Ribeiro, Selwyn Arlington Headley, Jaqueline Assumpção Diniz, Alfredo Hajime Tanaka Pereira, Elis Lorenzetti, Amauri Alcindo Alfieri, Alice Fernandes Alfieri
This study presents the pathological, immunohistochemical, and molecular findings associated with the extra-intestinal detection of canine kobuvirus (CaKV) in a 5-month-old Chihuahua puppy, that had a clinical history of bloody-tinged feces. Principal pathological findings were interstitial pneumonia, necrotizing bronchitis, and parvovirus-induced enteritis. Molecular diagnostic methods identified CaKV within the cerebellum, cerebrum, lung, tonsil, and liver. CaKV and rotavirus were not identified within the feces and intestine...
November 25, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27888407/targeting-the-rhesus-macaque-trim5%C3%AE-gene-to-enhance-the-susceptibility-of-cd4-t-cells-to-hiv-1-infection
#10
Xiaoli Wang, Qing Yu, Yahong Yuan, Zhiping Teng, Dongsheng Li, Yi Zeng
The host range of human immunodeficiency virus type 1 (HIV-1) is extremely narrow, which has hampered the establishment of non-human primate models for HIV-1 infection. The species-specific innate immune factor tripartite motif 5 alpha (TRIM5α) is a key molecule that confers potent resistance against HIV-1 infection. In this study, we targeted the TRIM5α gene of rhesus macaques (rhTRIM5α) using the transcription activator-like effector nuclease (TALEN) to study the effect on HIV-1 infection. CD4(+) T cells were separated from the peripheral blood of rhesus macaques by magnetic cell sorting, and the positive rate was greater than 99%...
November 25, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27885564/hepatitis-e-virus-infection-in-patients-on-dialysis-and-in-solid-organ-transplant-recipients-in-argentina-exploring-associated-risk-factors
#11
María Belén Pisano, Domingo Balderramo, Maribel Martínez Wassaf, Martín Lotto, Yanina Carlino, Viviana Elizabeth Ré, José D Debes
Infection with hepatitis E virus (HEV) leads to acute hepatitis infection in immunocompetent hosts. HEV genotype 3 can present with high frequency and lead to chronic infection in individuals with a compromised immune system. The risk factors related to increased seroprevalence or chronicity in this population are not entirely understood. Moreover, most studies addressing risk factors for HEV in non-endemic areas come from developed areas such as North America and Europe. In this study we evaluated seroprevalence, chronicity and risk factors for HEV in 120 transplant recipients and 88 patients on dialysis in Argentina...
November 25, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27885563/quasispecies-composition-and-diversity-do-not-reveal-any-predictors-for-chronic-classical-swine-fever-virus-infection
#12
Maria Jenckel, Sandra Blome, Martin Beer, Dirk Höper
Classical swine fever (CSF) can run acute, chronic, and prenatal courses in both domestic pigs and wild boar. Although chronic infections are rare events, their epidemiological impact is very high due to the long-term shedding of virus. So far, little is known about the factors that influence disease course and outcome from either the host or virus's perspective. To elucidate the viral determinants, we analyzed the role of the viral populations for the development of chronic CSF virus (CSFV) infections. Three different animal trials that had led to both chronic and acute infections were chosen for a detailed analysis by deep sequencing...
November 24, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27885562/respiratory-syncytial-virus-and-influenza-are-the-key-viral-pathogens-in-children-2%C3%A2-years-hospitalized-with-bronchiolitis-and-pneumonia-in-islamabad-pakistan
#13
Uzma Bashir, Nadia Nisar, Yasir Arshad, Muhammad Masroor Alam, Asiya Ashraf, Hajra Sadia, Birjees Mazher Kazi, Syed Sohail Zahoor Zaidi
Pneumonia remains a leading cause of morbidity and mortality in developing countries. Comprehensive surveillance data are needed to review the prevention and control strategies. We conducted active surveillance of acute lower respiratory infections among children aged <2 years hospitalized at two hospitals of Islamabad, Pakistan. Viral etiology was determined using real-time PCR on respiratory specimens collected during March 2011-April 2012. The overall mean age was 7.83 ± 5.25 months while no statistical difference between age or sex distribution of patients with positive and negative viral etiology (p > 0...
November 24, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27885561/outbreak-of-severe-pseudorabies-virus-infection-in-pig-offal-fed-farmed-mink-in-liaoning-province-china
#14
Hao Liu, Xin-Tong Li, Bo Hu, Xiao-Yu Deng, Lei Zhang, Shi-Zhen Lian, Hai-Ling Zhang, Shuang Lv, Xiang-Hong Xue, Rong-Guang Lu, Ning Shi, Ming-Hao Yan, Peng-Peng Xiao, Xi-Jun Yan
An outbreak of severe pseudorabies virus (PRV) infection in farmed mink occurred in northern China in late 2014, causing significant economic losses in the local fur industry. Here, we report the first case of a PRV outbreak in mink in northeastern China, caused by feeding farmed mink with raw pork or organs contaminated by PRV. Mink infected with virulent PRV exhibited diarrhea, neurologic signs, and higher mortality, which can be misdiagnosed as highly pathogenic mink enteritis virus (MEV), canine distemper virus (CDV), and food poisoning...
November 24, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27885560/expression-of-human-endogenous-retrovirus-k-and-w-in-babies
#15
L H S Nali, A C S Oliveira, D O Alves, G S Caleiro, C F Nunes, D Gerhardt, R C M Succi, Camila M Romano, D M Machado
Here we determined the relative expression of HERV-K and W proviruses in HIV infected and non-infected mothers as well as their respective babies up to 1 year-old. HIV-infected mothers, their babies and uninfected control groups presented expression of both HERV-K and HERV-W with relatively high frequency. While the level of HERV-K expression was similar among groups, the level of HERV-W expression in HIV-infected mothers was four-fold higher than the uninfected mothers from the control group (p < 0.01)...
November 24, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27885559/erratum-to-synergistic-effect-of-programmed-cell-death-protein-1-blockade-and-secondary-lymphoid-tissue-chemokine-in-the-induction-of-anti-tumor-immunity-by-a-therapeutic-cancer-vaccine
#16
Soheila Moeini, Mohsen Saeidi, Fatemeh Fotouhi, Mahdieh Mondanizadeh, Sadegh Shirian, Alireza Mohebi, Ali Gorji, Amir Ghaemi
No abstract text is available yet for this article.
November 24, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27882444/genomic-characterization-of-a-wild-bird-origin-pigeon-paramyxovirus-type-1-ppmv-1-first-isolated-in-the-northwest-region-of-china
#17
Xinglong Wang, Shanhui Ren, Xiangwei Wang, Chong Yang Wang, Mengfei Fan, Yanqing Jia, Xiaolong Gao, Huan Liu, Sa Xiao, Zengqi Yang
Pigeon paramyxovirus type-1(PPMV-1) is an enzootic in pigeon flocks and causes severe economic losses in the poultry industry in many countries. A PPMV-1 isolate, abbreviated as PPMV-1/QL-01/CH/15, was isolated from a great spotted woodpecker in the northwest region of China in 2015. The complete genome was sequenced, and the results showed that the virus genome was 15,192 nt in length, in the gene arrangement 3'-NP-P-M-F-HN-L-5'. Several amino acid mutations were identified in the functional domains of the F and HN proteins...
November 23, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27878638/evolution-of-ds-1-like-g1p-8-double-gene-reassortant-rotavirus-a-strains-causing-gastroenteritis-in-children-in-vietnam-in-2012-2013
#18
Toyoko Nakagomi, Minh Quang Nguyen, Punita Gauchan, Chantal Ama Agbemabiese, Miho Kaneko, Loan Phuong Do, Thiem Dinh Vu, Osamu Nakagomi
Rotavirus A (RVA) strains, a leading cause of severe gastroenteritis in children worldwide, commonly possess the Wa or DS-1 genotype constellations. During a hospital-based study conducted in Hanoi, Vietnam, in the 2012-2013 rotavirus season, G1P[8] strains with a virtually identical short RNA migration pattern were detected in 20 (14%) of 141 rotavirus-positive samples. Two representatives of these strains were shown by whole-genome sequencing to be double-gene reassortants possessing the genotype constellation of G1-P[8]-I2-R2-C2-M2-A2-N2-T2-E2-H2...
November 23, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27878462/enterovirus-a71-and-coxsackievirus-a16-show-different-replication-kinetics-in-human-neuronal-and-non-neuronal-cell-lines
#19
Thinesshwary Yogarajah, Kien Chai Ong, David Perera, Kum Thong Wong
Enterovirus A71 (EV-A71) and coxsackievirus A16 (CV-A16) are closely related enteroviruses that cause hand, foot and mouth disease (HFMD) in children. Serious neurological complications almost always occur in EV-A71 infection, but are rare in CV-A16 infection. Based on the hypothesis that this may be because EV-A71 infects neuronal cells more easily than CV-A16, we compared virus infection, replication and spread of EV-A71 and CV-A16 in SK-N-SH cells. We found that CV-A16 invariably showed significantly lower replication and caused less necrotic cell death in SK-N-SH cells, compared with EV-A71...
November 23, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27878461/crimean-congo-hemorrhagic-fever-among-children-in-iran
#20
Dalileh Aslani, Mostafa Salehi-Vaziri, Vahid Baniasadi, Tahmineh Jalali, Sanam Azad-Manjiri, Tahereh Mohammadi, Sahar Khakifirouz, Mehdi Fazlalipour
Crimean-Congo hemorrhagic fever (CCHF) is a viral zoonotic disease which is endemic in Iran. The etiological agent of CCHF is an RNA virus belonging to the genus Nairovirus of the family Bunyaviridae. CCHF virus (CCHFV) can be transmitted to humans through bites from infected ticks and direct contact with infected blood or tissues. Although the disease has been observed in different age groups, the rate of disease is lower in children and elderly. This study was designed to characterize CCHFV-infected children in Iran...
November 22, 2016: Archives of Virology
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