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Virology Journal

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https://www.readbyqxmd.com/read/28728590/chikungunya-virus-infection-in-cynomolgus-macaques-following-intradermal-and-aerosol-exposure
#1
Chris M Cirimotich, Eric M Vela, Jennifer Garver, Roy E Barnewall, Brian D Miller, Gabriel T Meister, James V Rogers
BACKGROUND: Chikungunya virus (CHIKV) is transmitted via mosquito bite and potentially by aerosol, causing chikungunya fever and arthritic disease in humans. There are currently no licensed vaccines or antiviral therapeutics to protect against CHIKV infection in humans. Animal models recapitulating human disease, especially for transmission by aerosol, are needed for licensure of such medical countermeasures. METHODS: Cynomolgus macaques (CMs) were challenged by intradermal (ID) inoculation or exposure to an aerosol containing CHIKV Ross strain at different target infectious doses (10(3)-10(7) plaque forming units (PFU))...
July 20, 2017: Virology Journal
https://www.readbyqxmd.com/read/28728557/the-impact-of-illegal-waste-sites-on-a-transmission-of-zoonotic-viruses
#2
Darja Duh, Sandra Hasic, Elena Buzan
BACKGROUND: Illegal waste disposal impacts public health and causes aesthetic and environmental pollution. Waste disposed in places without permitted and controlled facilities can provide a ready source of nutrition and shelter for rodents and thus promote the spread of their ecto- and endoparasites. The presence of two distinct zoonotic viruses, lymphocytic choriomeningitis virus (LCMV) and tick-borne encephalitis virus (TBEV), was searched at illegal waste sites. The aim of this study was to determine the prevalence of infection with both viruses in rodents and to discuss the virus-rodent relations in such environments...
July 20, 2017: Virology Journal
https://www.readbyqxmd.com/read/28720142/comparison-of-serological-assays-to-titrate-hantaan-and-seoul-hantavirus-specific-antibodies
#3
Weihong Li, Shouchun Cao, Quanfu Zhang, Jiandong Li, Shuo Zhang, Wei Wu, Jing Qu, Chuan Li, Mifang Liang, Dexin Li
BACKGROUND: Hantaan and Seoul viruses, in the Hantavirus genus, are known to cause hemorrhagic fever with renal syndrome (HFRS). The plaque reduction neutralization test (PRNT), as conventional neutralization test for hantaviruses, is laborious and time-consuming. Alternatives to PRNT for hantaviruses are required. METHODS: In this study, the methods for Hantaan and Seoul viruses serological typing including microneutralization test (MNT), pseudoparticle neutralization test (PPNT) and immunofluorescence assay based on viral glycoproteins (IFA-GP) were developed and compared with PRNT using a panel of 74 sera including 44 convalescent sera of laboratory confirmed HFRS patients and 30 patients sera of non-hantavirus infection...
July 18, 2017: Virology Journal
https://www.readbyqxmd.com/read/28720115/expression-pattern-of-cd11c-on-lung-immune-cells-after-disseminated-murine-cytomegalovirus-infection
#4
Yi Liao, Xinglou Liu, Yuan Huang, Heyu Huang, Yuanyuan Lu, Yanan Zhang, Sainan Shu, Feng Fang
BACKGROUND: Cytomegalovirus (CMV) infection occurs frequently and is widespread globally. Numerous studies have shown that various types of immune cells play roles in mediating the response to CMV infection. CD11c, a commonly used dendritic cell (DC) marker, is expressed by other immune cells as well, such as T cells. This study analyzed the immune cells that express CD11c and monitored the expression level of their specific cell surface markers in the lung following a disseminated murine (M)CMV infection...
July 18, 2017: Virology Journal
https://www.readbyqxmd.com/read/28716148/prevalence-of-plasma-autoantibody-against-cancer-testis-antigen-ny-eso-1-in-htlv-1-infected-individuals-with-different-clinical-status
#5
Yasuo Shiohama, Tadasuke Naito, Toshio Matsuzaki, Reiko Tanaka, Takeaki Tomoyose, Hiroshi Takashima, Takuya Fukushima, Yuetsu Tanaka, Mineki Saito
BACKGROUND: Detection of specific immune responses against cancer/testis antigen NY-ESO-1 was recently reported in patients with adult T-cell leukemia/lymphoma (ATL) and human T-cell leukemia virus type 1 (HTLV-1)-infected asymptomatic carriers (ACs). However, the relationship of the responses with the HTLV-1 proviral load (PVL) and the levels of viral gene expression remain unclear. FINDINGS: We measured plasma levels of autoantibodies to NY-ESO-1 immunogenic tumor antigen in HTLV-1-infected individuals with different clinical status, and in healthy controls...
July 17, 2017: Virology Journal
https://www.readbyqxmd.com/read/28716126/the-effects-of-potato-virus-y-derived-virus-small-interfering-rnas-of-three-biologically-distinct-strains-on-potato-solanum-tuberosum-transcriptome
#6
Lindani Moyo, Shunmugiah V Ramesh, Madhu Kappagantu, Neena Mitter, Vidyasagar Sathuvalli, Hanu R Pappu
BACKGROUND: Potato virus Y (PVY) is one of the most economically important pathogen of potato that is present as biologically distinct strains. The virus-derived small interfering RNAs (vsiRNAs) from potato cv. Russet Burbank individually infected with PVY-N, PVY-NTN and PVY-O strains were recently characterized. Plant defense RNA-silencing mechanisms deployed against viruses produce vsiRNAs to degrade homologous viral transcripts. Based on sequence complementarity, the vsiRNAs can potentially degrade host RNA transcripts raising the prospect of vsiRNAs as pathogenicity determinants in virus-host interactions...
July 17, 2017: Virology Journal
https://www.readbyqxmd.com/read/28716095/development-of-real-time-and-lateral-flow-dipstick-recombinase-polymerase-amplification-assays-for-rapid-detection-of-goatpox-virus-and-sheeppox-virus
#7
Yang Yang, Xiaodong Qin, Xiangle Zhang, Zhixun Zhao, Wei Zhang, Xueliang Zhu, Guozheng Cong, Yanmin Li, Zhidong Zhang
BACKGROUND: Goatpox virus (GTPV) and sheeppox virus (SPPV), which belong to the Capripoxvirus (CaPV), are economically important pathogens of small ruminants. Therefore, a sensitive, specific and rapid diagnostic assay for detection of GTPV and SPPV is necessary to accurately and promptly control these diseases. METHODS: Recombinase polymerase amplification (RPA) assays combined with a real-time fluorescent detection (real-time RPA assay) and lateral flow dipstick (RPA LFD assay) were developed targeting the CaPV G-protein-coupled chemokine receptor (GPCR) gene, respectively...
July 17, 2017: Virology Journal
https://www.readbyqxmd.com/read/28709460/semi-quantitative-influenza-a-population-averages-from-a-multiplex-respiratory-viral-panel-rvp-potential-for-reflecting-target-sequence-changes-affecting-the-assay
#8
Kenneth H Rand, Maura Pieretti, Rodney Arcenas, Stacy G Beal, Herbert Houck, Emma Boslet, John A Lednicky
BACKGROUND: Yearly influenza virus mutations potentially affect the performance of molecular assays, if nucleic acid changes involve the sequences in the assay. Because individual patient viral loads depend on variables such as duration of illness, specimen type, age, and immunosuppression, we examined seasonal population averages of positive tests to smooth inherent variability. METHODS: We studied the population seasonal averages of the semi-quantitative nAMPs for the influenza matrix and hemagglutinin genes in the GenMark (Carlsbad, CA) Respiratory Viral Panel assay between 3 institutions over 3 Influenza seasons...
July 14, 2017: Virology Journal
https://www.readbyqxmd.com/read/28697809/comparison-of-hcv-viral-load-and-its-genotype-distributions-in-hcv-mono-and-hiv-hcv-co-infected-illicit-drug-users
#9
Marzieh Jamalidoust, Mandana Namayandeh, Mohsen Moghadami, Mazyar Ziyaeyan
BACKGROUND: Because of shared modes of transmission, patients with hepatitis C virus (HCV) infection are often co-infected with other types of hepatitis viruses and/or HIV. We studied HCV viral load and its genotype patterns among HCV mono- and HCV/HIV co-infected Illicit Drug Users in Fars province-Iran. METHODS: Totally, 580 HCV seropositive IDUs referred to Prof. Alborzi Clinical Microbiology Research Center, Shiraz, Iran, without receiving any anti-HCV treatment, were enrolled...
July 11, 2017: Virology Journal
https://www.readbyqxmd.com/read/28693611/dual-function-of-the-nuclear-export-signal-of-the-borna-disease-virus-nucleoprotein-in-nuclear-export-activity-and-binding-to-viral-phosphoprotein
#10
Mako Yanai, Madoka Sakai, Akiko Makino, Keizo Tomonaga
BACKGROUND: Borna disease virus (BoDV), which has a negative-sense, single-stranded RNA genome, causes persistent infection in the cell nucleus. The nuclear export signal (NES) of the viral nucleoprotein (N) consisting of leucine at positions 128 and 131 and isoleucine at positions 133 and 136 overlaps with one of two predicted binding sites for the viral phosphoprotein (P). A previous study demonstrated that higher expression of BoDV-P inhibits nuclear export of N; however, the function of N NES in the interaction with P remains unclear...
July 11, 2017: Virology Journal
https://www.readbyqxmd.com/read/28693575/interleukin-2-enhancer-binding-factor-2-interacts-with-the-nsp9-or-nsp2-of-porcine-reproductive-and-respiratory-syndrome-virus-and-exerts-negatively-regulatory-effect-on-the-viral-replication
#11
Xuexia Wen, Ting Bian, Zhibang Zhang, Lei Zhou, Xinna Ge, Jun Han, Xin Guo, Hanchun Yang, Kangzhen Yu
BACKGROUND: Porcine reproductive and respiratory syndrome virus (PRRSV) causes reproductive failures in sows and respiratory diseases in growing pigs, resulting in huge economic loss for the pig production worldwide. The nonstructural protein 9 (nsp9) and nonstructural protein 2 (nsp2) of PRRSV are known to play important roles in viral replication. Cellular interleukin-2 enhancer binding factor 2 (ILF2) participates in many cellular pathways and involves in life cycle of some viruses...
July 11, 2017: Virology Journal
https://www.readbyqxmd.com/read/28651593/maternal-antibodies-protect-offspring-from-severe-influenza-infection-and-do-not-lead-to-detectable-interference-with-subsequent-offspring-immunization
#12
Joan E M van der Lubbe, Jessica Vreugdenhil, Sarra Damman, Joost Vaneman, Jaco Klap, Jaap Goudsmit, Katarina Radošević, Ramon Roozendaal
BACKGROUND: Various studies have shown that infants under the age of 6 months are especially vulnerable for complications due to influenza. Currently there are no vaccines licensed for use in this age group. Vaccination of pregnant women during the last trimester, recommended by the WHO as protective measure for this vulnerable female population, may provide protection of newborns at this early age. Although it has been observed that maternal vaccination can passively transfer protection, maternal antibodies could possibly also interfere with subsequent active vaccination of the offspring...
June 26, 2017: Virology Journal
https://www.readbyqxmd.com/read/28651549/6-methylmercaptopurine-riboside-a-thiopurine-nucleoside-with-antiviral-activity-against-canine-distemper-virus-in-vitro
#13
Otávio Valério de Carvalho, Daniele Mendes Félix, Claudia de Camargo Tozato, Juliana Lopes Rangel Fietto, Márcia Rogéria de Almeida, Gustavo Costa Bressan, Lindomar José Pena, Abelardo Silva-Júnior
BACKGROUND: Canine distemper (CD) is a widespread infectious disease that can severely impact a variety of species in the order Carnivora, as well as non-carnivore species such as non-human primates. Despite large-scale vaccination campaigns, several fatal outbreaks have been reported in wild and domestic carnivore populations. This, in association with expansion of the disease host range and the development of vaccine-escape strains, has contributed to an increased demand for therapeutic strategies synergizing with vaccine programs for effectively controlling canine distemper...
June 26, 2017: Virology Journal
https://www.readbyqxmd.com/read/28646885/comparison-of-the-protective-efficacy-between-single-and-combination-of-recombinant-adenoviruses-expressing-complete-and-truncated-glycoprotein-and-nucleoprotein-of-the-pathogenic-street-rabies-virus-in-mice
#14
Ha-Hyun Kim, Dong-Kun Yang, Jin-Ju Nah, Jae-Young Song, In-Soo Cho
BACKGROUND: Rabies is an important viral zoonosis that causes acute encephalitis and death in mammals. To date, several recombinant vaccines have been developed based on G protein, which is considered to be the main antigen, and these vaccines are used for rabies control in many countries. Most recombinant viruses expressing RABV G protein retain the G gene from attenuated RABV. Not enough is currently known about the protective effect against RABV of a combination of recombinant adenoviruses expressing the G and N proteins of pathogenic street RABV...
June 24, 2017: Virology Journal
https://www.readbyqxmd.com/read/28637474/arsenic-trioxide-inhibits-ebv-reactivation-and-promotes-cell-death-in-ebv-positive-lymphoma-cells
#15
Qinyan Yin, Mark Sides, Christopher H Parsons, Erik K Flemington, Joseph A Lasky
BACKGROUND: Epstein-Barr Virus (EBV) is associated with hematopoietic malignancies, such as Burkitt's lymphoma, post-transplantation lymphoproliferative disorder, and diffuse large B-cell lymphoma. The current approach for EBV-associated lymphoma involves chemotherapy to eradicate cancer cells, however, normal cells may be injured and organ dysfunction may occur with currently employed regimens. This research is focused on employing arsenic trioxide (ATO) as EBV-specific cancer therapy takes advantage of the fact the EBV resides within the malignant cells...
June 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28637468/chorioallantoic-membranes-of-embryonated-chicken-eggs-as-an-alternative-system-for-isolation-of-equine-influenza-virus
#16
Ilona Marcelina Gora, Malgorzata Kwasnik, Jan Franciszek Zmudzinski, Wojciech Rozek
BACKGROUND: Influenza virus isolation in embryonated chicken eggs (ECEs) is not applicable for rapid diagnosis, however it allows the recovery and propagation of the viable virus. A low number of infectious virus particles in the swabs, poor quality of samples or individual strain properties can lead to difficulties during the virus isolation process. We propose to utilize chorioallantoic membranes (CAM) of ECEs with the assistance of real-time RT PCR to facilitate equine influenza virus isolation...
June 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28637462/outbreak-tracking-of-aleutian-mink-disease-virus-amdv-using-partial-ns1-gene-sequencing
#17
P Ryt-Hansen, C K Hjulsager, E E Hagberg, M Chriél, T Struve, A G Pedersen, L E Larsen
BACKGROUND: Aleutian Mink Disease (AMD) is an infectious disease of mink (Neovison vison) and globally a major cause of economic losses in mink farming. The disease is caused by Aleutian Mink Disease Virus (AMDV) that belongs to the genus Amdoparvovirus within the Parvoviridae family. Several strains have been described with varying virulence and the severity of infection also depends on the host's genotype and immune status. Clinical signs include respiratory distress in kits and unthriftiness and low quality of the pelts...
June 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28637472/variability-in-p1-gene-redefines-phylogenetic-relationships-among-cassava-brown-streak-viruses
#18
Willard Mbewe, Fred Tairo, Peter Sseruwagi, Joseph Ndunguru, Siobain Duffy, Ssetumba Mukasa, Ibrahim Benesi, Samar Sheat, Marianne Koerbler, Stephan Winter
BACKGROUND: Cassava brown streak disease is emerging as the most important viral disease of cassava in Africa, and is consequently a threat to food security. Two distinct species of the genus Ipomovirus (family Potyviridae) cause the disease: Cassava brown streak virus (CBSV) and Ugandan cassava brown streak virus (UCBSV). To understand the evolutionary relationships among the viruses, 64 nucleotide sequences from the variable P1 gene from major cassava producing areas of east and central-southern Africa were determined...
June 20, 2017: Virology Journal
https://www.readbyqxmd.com/read/28629383/epitope-mapping-and-characterization-of-a-novel-nsp10-specific-monoclonal-antibody-that-differentiates-genotype-2-prrsv-from-genotype-1-prrsv
#19
Zhibang Zhang, Xuexia Wen, Jianguo Dong, Xinna Ge, Lei Zhou, Hanchun Yang, Xin Guo
BACKGROUND: Porcine reproductive and respiratory syndrome virus (PRRSV), the causative agent of PRRS, has two distinct and highly diverse genotypes (genotype 1 and genotype 2) in the field. Accurate diagnosis and differentiation of the two genotypes of PRRSV are critical to the effective prevention and control of PRRS. The non-structural protein 10 (Nsp10) plays a vital role in viral replication and is one of the most conserved proteins of PRRSV, thus constituting a good candidate for PRRSV diagnosis...
June 19, 2017: Virology Journal
https://www.readbyqxmd.com/read/28629377/quantitative-phosphoproteome-on-the-silkworm-bombyx-mori-cells-infected-with-baculovirus
#20
Jauharotus Shobahah, Shengjie Xue, Dongbing Hu, Cui Zhao, Ming Wei, Yanping Quan, Wei Yu
BACKGROUND: Bombyx mori has become an important model organism for many fundamental studies. Bombyx mori nucleopolyhedrovirus (BmNPV) is a significant pathogen to Bombyx mori, yet also an efficient vector for recombinant protein production. A previous study indicated that acetylation plays many vital roles in several cellular processes of Bombyx mori while global phosphorylation pattern upon BmNPV infection remains elusive. METHOD: Employing tandem mass tag (TMT) labeling and phosphorylation affinity enrichment followed by high-resolution LC-MS/MS analysis and intensive bioinformatics analysis, the quantitative phosphoproteome in Bombyx mori cells infected by BmNPV at 24 hpi with an MOI of 10 was extensively examined...
June 19, 2017: Virology Journal
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