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  Subjects -> BIOLOGY (Total: 2994 journals)
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    - BIOLOGY (1425 journals)
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BIOLOGY (1425 journals)                  1 2 3 4 5 6 7 8 | Last

Showing 1 - 200 of 1720 Journals sorted alphabetically
AAPS Journal     Hybrid Journal   (Followers: 20)
Achievements in the Life Sciences     Open Access   (Followers: 4)
ACS Synthetic Biology     Full-text available via subscription   (Followers: 21)
Acta Biologica Colombiana     Open Access   (Followers: 6)
Acta Biologica Hungarica     Full-text available via subscription   (Followers: 4)
Acta Biologica Sibirica     Open Access  
Acta Biomaterialia     Hybrid Journal   (Followers: 25)
Acta Biotheoretica     Hybrid Journal   (Followers: 5)
Acta Chiropterologica     Full-text available via subscription   (Followers: 6)
acta ethologica     Hybrid Journal   (Followers: 4)
Acta Limnologica Brasiliensia     Open Access   (Followers: 3)
Acta Médica Costarricense     Open Access   (Followers: 2)
Acta Musei Silesiae, Scientiae Naturales : The Journal of Silesian Museum in Opava     Open Access  
Acta Parasitologica     Hybrid Journal   (Followers: 9)
Acta Scientiarum. Biological Sciences     Open Access   (Followers: 2)
Acta Scientifica Naturalis     Open Access   (Followers: 2)
Actualidades Biológicas     Open Access   (Followers: 1)
Advanced Health Care Technologies     Open Access   (Followers: 4)
Advances in Antiviral Drug Design     Full-text available via subscription   (Followers: 3)
Advances in Bioinformatics     Open Access   (Followers: 18)
Advances in Biological Regulation     Hybrid Journal   (Followers: 4)
Advances in Biology     Open Access   (Followers: 8)
Advances in Biosensors and Bioelectronics     Open Access   (Followers: 6)
Advances in Cell Biology     Open Access   (Followers: 23)
Advances in Cellular and Molecular Biology of Membranes and Organelles     Full-text available via subscription   (Followers: 12)
Advances in Developmental Biology     Full-text available via subscription   (Followers: 11)
Advances in DNA Sequence-Specific Agents     Full-text available via subscription   (Followers: 5)
Advances in Ecological Research     Full-text available via subscription   (Followers: 41)
Advances in Ecology     Open Access   (Followers: 16)
Advances in Environmental Sciences - International Journal of the Bioflux Society     Open Access   (Followers: 20)
Advances in Enzyme Research     Open Access   (Followers: 9)
Advances in Experimental Biology     Full-text available via subscription   (Followers: 7)
Advances in Genome Biology     Full-text available via subscription   (Followers: 12)
Advances in High Energy Physics     Open Access   (Followers: 19)
Advances in Human Biology     Open Access   (Followers: 1)
Advances in Life Science and Technology     Open Access   (Followers: 14)
Advances in Life Sciences     Open Access   (Followers: 4)
Advances in Marine Biology     Full-text available via subscription   (Followers: 16)
Advances in Molecular and Cell Biology     Full-text available via subscription   (Followers: 22)
Advances in Planar Lipid Bilayers and Liposomes     Full-text available via subscription   (Followers: 3)
Advances in Regenerative Biology     Open Access   (Followers: 1)
Advances in Structural Biology     Full-text available via subscription   (Followers: 8)
Advances in Virus Research     Full-text available via subscription   (Followers: 5)
African Journal of Range & Forage Science     Hybrid Journal   (Followers: 6)
AFRREV STECH : An International Journal of Science and Technology     Open Access   (Followers: 1)
Ageing Research Reviews     Hybrid Journal   (Followers: 8)
Aging Cell     Open Access   (Followers: 10)
Agrokémia és Talajtan     Full-text available via subscription   (Followers: 2)
Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat     Open Access  
AJP Cell Physiology     Full-text available via subscription   (Followers: 13)
AJP Endocrinology and Metabolism     Full-text available via subscription   (Followers: 22)
AJP Lung Cellular and Molecular Physiology     Full-text available via subscription   (Followers: 3)
Al-Kauniyah : Jurnal Biologi     Open Access  
Alasbimn Journal     Open Access   (Followers: 1)
AMB Express     Open Access   (Followers: 1)
Ambix     Hybrid Journal   (Followers: 3)
American Biology Teacher     Full-text available via subscription   (Followers: 12)
American Fern Journal     Full-text available via subscription   (Followers: 1)
American Journal of Agricultural and Biological Sciences     Open Access   (Followers: 10)
American Journal of Bioethics     Hybrid Journal   (Followers: 10)
American Journal of Biostatistics     Open Access   (Followers: 9)
American Journal of Human Biology     Hybrid Journal   (Followers: 12)
American Journal of Medical and Biological Research     Open Access   (Followers: 5)
American Journal of Plant Sciences     Open Access   (Followers: 19)
American Journal of Primatology     Hybrid Journal   (Followers: 15)
American Malacological Bulletin     Full-text available via subscription   (Followers: 3)
American Naturalist     Full-text available via subscription   (Followers: 65)
Amphibia-Reptilia     Hybrid Journal   (Followers: 6)
Anaerobe     Hybrid Journal   (Followers: 4)
Analytical Methods     Full-text available via subscription   (Followers: 7)
Anatomical Science International     Hybrid Journal   (Followers: 2)
Animal Cells and Systems     Hybrid Journal   (Followers: 4)
Annales de Limnologie - International Journal of Limnology     Hybrid Journal   (Followers: 1)
Annales françaises d'Oto-rhino-laryngologie et de Pathologie Cervico-faciale     Full-text available via subscription   (Followers: 3)
Annales Henri Poincaré     Hybrid Journal   (Followers: 3)
Annales UMCS, Biologia     Open Access   (Followers: 1)
Annals of Applied Biology     Hybrid Journal   (Followers: 8)
Annals of Biomedical Engineering     Hybrid Journal   (Followers: 18)
Annals of Human Biology     Hybrid Journal   (Followers: 4)
Annual Review of Biomedical Engineering     Full-text available via subscription   (Followers: 17)
Annual Review of Biophysics     Full-text available via subscription   (Followers: 25)
Annual Review of Cancer Biology     Full-text available via subscription  
Annual Review of Cell and Developmental Biology     Full-text available via subscription   (Followers: 38)
Annual Review of Food Science and Technology     Full-text available via subscription   (Followers: 14)
Annual Review of Genomics and Human Genetics     Full-text available via subscription   (Followers: 19)
Annual Review of Phytopathology     Full-text available via subscription   (Followers: 10)
Anthropological Review     Open Access   (Followers: 25)
Anti-Infective Agents     Hybrid Journal   (Followers: 3)
Antibiotics     Open Access   (Followers: 8)
Antioxidants     Open Access   (Followers: 4)
Antioxidants & Redox Signaling     Hybrid Journal   (Followers: 8)
Antonie van Leeuwenhoek     Hybrid Journal   (Followers: 5)
Anzeiger für Schädlingskunde     Hybrid Journal   (Followers: 1)
Apidologie     Hybrid Journal   (Followers: 4)
Apmis     Hybrid Journal   (Followers: 1)
APOPTOSIS     Hybrid Journal   (Followers: 8)
Applied Bionics and Biomechanics     Open Access   (Followers: 8)
Applied Vegetation Science     Full-text available via subscription   (Followers: 8)
Aquaculture Environment Interactions     Open Access   (Followers: 2)
Aquaculture International     Hybrid Journal   (Followers: 22)
Aquaculture Reports     Open Access   (Followers: 3)
Aquaculture, Aquarium, Conservation & Legislation - International Journal of the Bioflux Society     Open Access   (Followers: 6)
Aquatic Biology     Open Access   (Followers: 4)
Aquatic Ecology     Hybrid Journal   (Followers: 30)
Aquatic Ecosystem Health & Management     Hybrid Journal   (Followers: 13)
Aquatic Science and Technology     Open Access   (Followers: 3)
Aquatic Toxicology     Hybrid Journal   (Followers: 19)
Archaea     Open Access   (Followers: 3)
Archiv für Molluskenkunde: International Journal of Malacology     Full-text available via subscription   (Followers: 3)
Archives of Biomedical Sciences     Open Access   (Followers: 7)
Archives of Microbiology     Hybrid Journal   (Followers: 8)
Archives of Natural History     Hybrid Journal   (Followers: 7)
Archives of Oral Biology     Hybrid Journal   (Followers: 2)
Archives of Virology     Hybrid Journal   (Followers: 5)
Archivum Immunologiae et Therapiae Experimentalis     Hybrid Journal   (Followers: 2)
Arid Ecosystems     Hybrid Journal   (Followers: 3)
Arquivos do Instituto Biológico     Open Access   (Followers: 1)
Arquivos do Museu Dinâmico Interdisciplinar     Open Access  
Arthropod Structure & Development     Hybrid Journal   (Followers: 2)
Arthropods     Open Access   (Followers: 1)
Artificial DNA: PNA & XNA     Hybrid Journal   (Followers: 2)
Artificial Photosynthesis     Open Access   (Followers: 1)
Asian Bioethics Review     Full-text available via subscription   (Followers: 1)
Asian Journal of Biodiversity     Open Access   (Followers: 5)
Asian Journal of Biological Sciences     Open Access   (Followers: 3)
Asian Journal of Cell Biology     Open Access   (Followers: 5)
Asian Journal of Developmental Biology     Open Access   (Followers: 2)
Asian Journal of Medical and Biological Research     Open Access   (Followers: 2)
Asian Journal of Nematology     Open Access   (Followers: 3)
Asian Journal of Poultry Science     Open Access   (Followers: 4)
Australian Life Scientist     Full-text available via subscription   (Followers: 2)
Australian Mammalogy     Hybrid Journal   (Followers: 5)
Autophagy     Hybrid Journal   (Followers: 2)
Avian Biology Research     Full-text available via subscription   (Followers: 4)
Avian Conservation and Ecology     Open Access   (Followers: 10)
Bacteriology Journal     Open Access   (Followers: 2)
Bacteriophage     Full-text available via subscription   (Followers: 3)
Bangladesh Journal of Bioethics     Open Access  
Bangladesh Journal of Plant Taxonomy     Open Access  
Bangladesh Journal of Scientific Research     Open Access   (Followers: 1)
Berita Biologi     Open Access   (Followers: 1)
Between the Species     Open Access   (Followers: 1)
Bio Tribune Magazine     Hybrid Journal  
BIO Web of Conferences     Open Access  
BIO-Complexity     Open Access  
Bio-Grafía. Escritos sobre la Biología y su enseñanza     Open Access  
Bioanalytical Reviews     Hybrid Journal   (Followers: 2)
Biocatalysis and Biotransformation     Hybrid Journal   (Followers: 6)
Biochemistry and Cell Biology     Hybrid Journal   (Followers: 14)
Biochimie     Hybrid Journal   (Followers: 7)
BioControl     Hybrid Journal   (Followers: 5)
Biocontrol Science and Technology     Hybrid Journal   (Followers: 5)
Biodemography and Social Biology     Hybrid Journal   (Followers: 1)
Biodiversidad Colombia     Open Access  
Biodiversity : Research and Conservation     Open Access   (Followers: 26)
Biodiversity and Natural History     Open Access   (Followers: 5)
Biodiversity Data Journal     Open Access   (Followers: 3)
Biodiversity Informatics     Open Access  
Bioedukasi : Jurnal Pendidikan Biologi FKIP UM Metro     Open Access  
Bioeksperimen : Jurnal Penelitian Biologi     Open Access  
Bioelectrochemistry     Hybrid Journal   (Followers: 2)
Bioelectromagnetics     Hybrid Journal   (Followers: 1)
Bioenergy Research     Hybrid Journal   (Followers: 2)
Bioengineering and Bioscience     Open Access   (Followers: 1)
BioEssays     Hybrid Journal   (Followers: 10)
Bioethics     Hybrid Journal   (Followers: 14)
BioéthiqueOnline     Open Access  
Biofabrication     Hybrid Journal   (Followers: 3)
Biogeosciences (BG)     Open Access   (Followers: 10)
Biogeosciences Discussions (BGD)     Open Access   (Followers: 1)
Bioinformatics     Hybrid Journal   (Followers: 299)
Bioinformatics and Biology Insights     Open Access   (Followers: 15)
Bioinspiration & Biomimetics     Hybrid Journal   (Followers: 6)
Biointerphases     Open Access   (Followers: 1)
Biojournal of Science and Technology     Open Access  
Biologia     Hybrid Journal  
Biologia on-line : Revista de divulgació de la Facultat de Biologia     Open Access  
Biological Bulletin     Partially Free   (Followers: 4)
Biological Control     Hybrid Journal   (Followers: 5)
Biological Invasions     Hybrid Journal   (Followers: 16)
Biological Journal of the Linnean Society     Hybrid Journal   (Followers: 14)
Biological Letters     Open Access   (Followers: 4)
Biological Procedures Online     Open Access  
Biological Psychiatry     Hybrid Journal   (Followers: 42)
Biological Psychology     Hybrid Journal   (Followers: 6)
Biological Research     Open Access  
Biological Rhythm Research     Hybrid Journal   (Followers: 2)
Biological Theory     Hybrid Journal   (Followers: 1)
Biological Trace Element Research     Hybrid Journal  
Biologicals     Full-text available via subscription   (Followers: 9)
Biologics: Targets & Therapy     Open Access   (Followers: 1)
Biologie Aujourd'hui     Full-text available via subscription  
Biologie in Unserer Zeit (Biuz)     Hybrid Journal   (Followers: 42)
Biologija     Open Access  
Biology     Open Access   (Followers: 5)
Biology and Philosophy     Hybrid Journal   (Followers: 16)
Biology Bulletin     Hybrid Journal   (Followers: 1)
Biology Bulletin Reviews     Hybrid Journal  
Biology Direct     Open Access   (Followers: 7)
Biology Letters     Full-text available via subscription   (Followers: 35)

        1 2 3 4 5 6 7 8 | Last

Journal Cover Archives of Virology
  [SJR: 1.086]   [H-I: 90]   [5 followers]  Follow
    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 1432-8798 - ISSN (Online) 0304-8608
   Published by Springer-Verlag Homepage  [2355 journals]
  • Exposure to cold impairs interferon-induced antiviral defense
    • Authors: Chompunuch Boonarkart; Ornpreya Suptawiwat; Kittima Sakorn; Pilaipan Puthavathana; Prasert Auewarakul
      Pages: 2231 - 2237
      Abstract: It is commonly believed that exposure to low temperature increases susceptibility to viral infection in the human respiratory tract, but a molecular mechanism supporting this belief has yet to be discovered. In this study, we investigated the effect of low temperature on viral infection and innate defense in cell lines from the human respiratory tract and found that interferon-induced antiviral responses were impaired at low temperatures. Cells maintained at 25°C and 33°C expressed lower levels of myxovirus resistance protein 1 (MxA) and 2′5′-oligoadenylate synthetase 1 (OAS1) mRNAs when compared to cells maintained at 37°C after infection by seasonal influenza viruses. Exogenous β-interferon treatment reduced the viral replication at 37°C, but not at 25°C. Our results suggest that the impairment of interferon-induced antiviral responses by low temperature is one of several mechanisms that could explain an increase in host susceptibility to respiratory viruses after exposure to cold temperature.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3334-0
      Issue No: Vol. 162, No. 8 (2017)
       
  • NS3 protease resistance-associated substitutions in liver tissue and
           plasma samples from patients infected by hepatitis C virus genotype 1A or
           1B
    • Authors: Giulia Morsica; Andrea Andolina; Marco Merli; Emanuela Messina; Hamid Hasson; Adriano Lazzarin; Caterina Uberti-Foppa; Sabrina Bagaglio
      Pages: 2271 - 2277
      Abstract: The presence of naturally occurring resistance-associated substitutions (RASs) in the HCV-protease domain has been poorly investigated in the liver, the main site of HCV replication. We evaluated the natural resistance of the virus to NS3 protease inhibitors in liver tissue and plasma samples taken from HCV-infected patients. RASs were investigated by means of viral population sequencing in liver tissue samples from 18 HCV-infected patients harbouring genotype 1a or genotype 1b; plasma samples from 12 of these patients were also available for virological investigation. A discordant genotype was found in two of the 12 patients (16.6%) who provided samples from both compartments. Sequence analysis of the NS3 protease domain showed the presence of RASs in four of the 18 liver tissue samples (22.2%), two of which showed cross-resistance to protease inhibitors in clinical use or phase 2–3 trials. The analysis of the 12 paired tissues and plasma samples excluded the presence of RASs in the plasma compartment. The dominance of discordant genotypes in the paired liver and plasma samples of some HCV-infected patients suggests mixed infection possibly leading to the selective advantage of different genotype in the two compartments. The presence of RASs at intra-hepatic level is not uncommon and may lead to the early emergence of cross-resistant strains.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3341-1
      Issue No: Vol. 162, No. 8 (2017)
       
  • Recombinant foot-and-mouth disease virus (FMDV) non-structural protein 3A
           fused to enhanced green fluorescent protein (EGFP) as a candidate probe to
           identify FMDV-infected cattle in serosurveys
    • Authors: Cecilia M. Lotufo; Ingrid E. Bergmann; Nora M. Mattion; Maximiliano Wilda; Pablo R. Grigera
      Pages: 2279 - 2286
      Abstract: Recombinant protein 3A-EGFP, a fusion construct between foot-and-mouth disease virus (FMDV) non-structural protein 3A and the enhanced green fluorescent protein (EGFP) was expressed in BL21-DE3 cells. The identity of the partially purified protein 3A-EGFP was confirmed by its reactivity with sera from cattle infected with FMDV and with a monoclonal antibody specific for FMDV-3ABC (MAb3H7) in Western blot assays. No reactivity was observed with sera from uninfected vaccinated animals. The performance of 3A-EGFP as an antigen in an indirect enzyme-linked immunosorbent assay (ELISA) was assessed and compared with that of a previously developed and validated capture ELISA that uses a 3ABC recombinant antigen (3ABC ELISA) and has been widely applied for serological surveys in Argentina. Parallel analysis of strongly and weakly positive reference sera from infected animals and 329 serum samples from uninfected vaccinated cattle showed that the 3A-EGFP antigen unequivocally identifies sera from FMDV-infected cattle with similar performance to its 3ABC counterpart. The 3A-EGFP ELISA is simpler and faster to perform than the 3ABC ELISA, since it does not require a capture step with a specific antibody. Moreover, the expression and storage of the recombinant 3A-EGFP is simplified by the absence of residual autoproteolytic activity associated to the 3C sequence. We conclude that the 3A-EGFP ELISA constitutes a promising screening method in serosurveys to determine whether or not animals are infected with FMDV.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3359-4
      Issue No: Vol. 162, No. 8 (2017)
       
  • The first comprehensive molecular detection of six honey bee viruses in
           Iran in 2015-2016
    • Authors: Mohammadreza Ghorani; Omid Madadgar; Arash Ghalyanchi Langeroudi; Mohammadreza Rezapanah; Sedigheh Nabian; Hesameddin Akbarein; Reza Kh Farahani; Hossein Maghsoudloo; Hamed Abdollahi; Mohammad Forsi
      Pages: 2287 - 2291
      Abstract: At least 18 viruses have been reported in the honey bee (Apis mellifera L.). However, severe diseases in honey bees are mainly caused by six viruses, and these are the most important in beekeeping. These viruses include: deformed wing virus (DWV), acute bee paralysis virus (ABPV), chronic bee paralysis virus (CBPV), sacbrood virus (SBV), kashmir bee virus (KBV), and black queen cell virus (BQCV). In this study, we evaluated 89 Iranian honey bee apiaries (during the period 2015-2016) suffering from symptoms of depopulation, sudden collapse, paralysis, or dark coloring, by employing reverse transcription-PCR. Samples were collected from four regions (Mazandaran, Hormozgan, Kurdistan, and Khorasan Razavi) of Iran. Of the 89 apiaries examined, 16 (17.97%), three (3.37%), and three (3.37%) were infected by DWV, ABPV, and CBPV, respectively. The study results for the other viruses (SBV, KBV, and BQCV) were negative. The present study evaluated the presence of the six most important honey bee viruses in bee colonies with suspected infections, and identified remarkable differences in the distribution patterns of the viruses in different geographic regions of Iran.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3370-9
      Issue No: Vol. 162, No. 8 (2017)
       
  • Development of a real-time recombinase polymerase amplification assay for
           rapid and sensitive detection of porcine circovirus 2
    • Authors: Jianchang Wang; Jinfeng Wang; Libing Liu; Wanzhe Yuan
      Pages: 2293 - 2296
      Abstract: Porcine diseases associated with porcine circovirus 2 (PCV-2) infection have resulted in significant economic losses worldwide. A real-time recombinase polymerase amplification (RPA) assay was developed to detect PCV-2 using primers and an exo probe specific for the ORF2 gene. The reaction process can be completed in 20 min at 38 °C. The assay only detects PCV-2, as there was no cross-reaction with other pathogens important in pigs. Using the PCV-2 genomic DNA as template, the analytical sensitivity of the real-time RPA was 103 copies. The assay performance was evaluated by testing 38 field samples and compared with real-time PCR. The two assays demonstrated a 100% diagnostic agreement, and PCV-2 DNA was detected in 26 samples. The R2 value of real-time RPA and real-time PCR was 0.954 by linear regression analysis. The real-time RPA assay provides an alternative tool for rapid, simple, and reliable detection of PCV-2, especially in remote and rural areas.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3368-3
      Issue No: Vol. 162, No. 8 (2017)
       
  • Isolation and genomic characterization of a canine parainfluenza virus
           type 5 strain in China
    • Authors: Caihong Liu; Xiangdong Li; Jianpo Zhang; Linxia Yang; Fan Li; Junhua Deng; Feifei Tan; Ming Sun; Yuxiu Liu; Kegong Tian
      Pages: 2337 - 2344
      Abstract: A canine parainfluenza virus type 5 strain was isolated from a lung sample from a diseased dog. The genome sequene of this isolate, named HeN0718, was determined and compared tho those of other previously reported canine parainfluenza viruses. Unlike previously reported viruses, the HeN0718 strain contained several nucleotide mutations in the SH gene that led to a frame shift in the open reading frame. Phylogenetic analysis based on the complete virus genome and the P, F, and HN genes showed that HeN0718 was genetically closest to D277, a Korean strain that was isolated in 2008.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3387-0
      Issue No: Vol. 162, No. 8 (2017)
       
  • Genetic characterization of orf virus associated with an outbreak of
           severe orf in goats at a farm in Lusaka, Zambia (2015)
    • Authors: Edgar Simulundu; Nandi Mtine; Thoko F. Kapalamula; Masahiro Kajihara; Yongjin Qiu; James Ngoma; Victor Zulu; Geoffrey Kwenda; Chrispin Chisanga; Isaac K. Phiri; Ayato Takada; Aaron S. Mweene
      Pages: 2363 - 2367
      Abstract: Orf or contagious ecthyma is a neglected and economically important zoonotic disease caused by a dermatotropic parapoxvirus that commonly affects domestic small ruminants. Although orf is globally distributed, there is a paucity of information on the disease in many African countries. Here, a suspected severe outbreak of orf in goats at a farm in Lusaka was investigated. Orf virus (ORFV) infection was confirmed by PCR amplification of viral DNA (RNA polymerase, B2L and virus interferon-resistance genes) in clinical samples. Some detected genes were sequenced and phylogenetically analyzed. This is the first report on molecular characterization of ORFV in goats in Zambia.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3352-y
      Issue No: Vol. 162, No. 8 (2017)
       
  • Absence of vaccinia virus detection in a remote region of the Northern
           Amazon forests, 2005-2015
    • Authors: Galileu Barbosa Costa; Anne Lavergne; Edith Darcissac; Vincent Lacoste; Betânia Paiva Drumond; Jônatas Santos Abrahão; Erna Geessien Kroon; Benoît de Thoisy; Giliane de Souza Trindade
      Pages: 2369 - 2373
      Abstract: Vaccinia virus (VACV) circulates in Brazil and other South America countries and is responsible for a zoonotic disease that usually affects dairy cattle and humans, causing economic losses and impacting animal and human health. Furthermore, it has been detected in wild areas in the Brazilian Amazon. To better understand the natural history of VACV, we investigated its circulation in wildlife from French Guiana, a remote region in the Northern Amazon forest. ELISA and plaque reduction neutralization tests were performed to detect anti-orthopoxvirus antibodies. Real-time and standard PCR targeting C11R, A56R and A26L were applied to detect VACV DNA in serum, saliva and tissue samples. No evidence of VACV infection was found in any of the samples tested. These findings provide additional information on the VACV epidemiological puzzle. The virus could nevertheless be circulating at low levels that were not detected in areas where no humans or cattle are present.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3353-x
      Issue No: Vol. 162, No. 8 (2017)
       
  • Grass carp reovirus outer capsid proteins VP5 and VP7 interact in vitro
    • Authors: Weisha Liu; Hao Wang; Fei Yu; Liqun Lu
      Pages: 2375 - 2380
      Abstract: Grass carp reovirus (GCRV) causes viral hemorrhagic disease in cultured grass carp. However, there is no effective means of controlling GCRV. Previous studies have shown, by cryoelectron microscopy, that the outer capsid of GCRV is composed of 200 trimers of VP5-VP7 heterodimers. However, confirmation of this interaction between VP5 and VP7 through molecular biochemistry is still lacking. This study characterized the interactions between VP5 and VP7 in vitro. VP5 was shown to interact with VP7 in a commercial yeast-two-hybrid screen. A dot-blot overlay assay was used to show that VP7 binding to VP5 was dose-dependent. Finally, a yeast-two-hybrid approach confirmed interactions between full-length and truncated forms of VP5 and VP7. In conclusion, our results indicate that VP5 and VP7 interact directly in vitro.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3354-9
      Issue No: Vol. 162, No. 8 (2017)
       
  • Hepatitis B virus infection assessed 3 to 18 years after vaccination in
           Cuban children and adolescents born to HBsAg-positive mothers
    • Authors: Licel de los Angeles Rodríguez Lay; Marité Bello Corredor; Maria Caridad Montalvo Villalba; Annia Gertrudis Chibás Ojeda; Susel Sariego Frómeta; Manuel Diaz González; Yoandra Abad Lamoth; Meilin Sánchez Wong; Aurélie Sausy; Claude P. Muller; Judith M. Hübschen
      Pages: 2393 - 2396
      Abstract: Thirty-two participants, aged between 3-18 years, born to hepatitis B surface antigen (HBsAg)-positive mothers and vaccinated at birth were analyzed for hepatitis B virus (HBV) infection. Overall, 56% had anti-HB titers ≥10 IU/L; five were positive for antibodies to the core antigen (anti-HBc), and two of these were also positive for HBsAg/DNA. One of the HBsAg/anti-HBc double-negative children presented with an unusual occult infection (HBV DNA-positive). No known vaccine escape mutations were detectable. Our data suggest that the vaccine protected 93.8% of children in this high-risk group against chronic HBV infection. Occult infections should be considered even in countries with low endemicity and high vaccination coverage.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3365-6
      Issue No: Vol. 162, No. 8 (2017)
       
  • Occurrence and genetic diversity analysis of apple stem pitting virus
           isolated from apples in China
    • Authors: Guo-Jun Hu; Ya-Feng Dong; Zun-Ping Zhang; Xu-Dong Fan; Fang Ren; Zhengnan Li
      Pages: 2397 - 2402
      Abstract: Two primer pairs were used to detect apple stem pitting virus (ASPV) using a reverse transcription (RT)-PCR test. 82 out of the 141 randomly collected samples, from ten orchards in five provinces and regions of China, tested positive. In the positive samples forty-five (55%) were infected by ASPV and two other viruses. The full coat protein (CP) and the triple gene block (TGB) gene 1, 2 and 3 of partial ASPV isolates were subsequently cloned. The nucleotide and amino acid identities of 39 CP sequence variants from 31 Chinese apple samples were compared with that of previously reported ASPV isolates and were 67.4–96.0% and 68.4–97.7%, respectively. All ASPV sequence variants from Chinese apples separated into two clades with CP- and TGB-based phylogenetic trees, whilst the grouping of TGB2 and TGB3 trees was the same. Three recombinants (FS06-2, X5-2, and XLF-C-2) for CP and six (TH2-5, X8-2, FS05-2, X6-2 and XLF-A-1) recombinants for TGB were identified from the Chinese apple isolates. Two recombinants were found in the TGB sequence of isolate XLF-A-1. The results presented here may assist in the development of a more comprehensive screening tool for apple viruses.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3384-3
      Issue No: Vol. 162, No. 8 (2017)
       
  • Highly divergent cyclo-like virus in a great roundleaf bat ( Hipposideros
           armiger ) in Vietnam
    • Authors: Gábor Kemenesi; Kornélia Kurucz; Brigitta Zana; Vuong Tan Tu; Tamás Görföl; Péter Estók; Fanni Földes; Katalin Sztancsik; Péter Urbán; Enikő Fehér; Ferenc Jakab
      Pages: 2403 - 2407
      Abstract: Members of the viral family Circoviridae are increasingly recognized worldwide. Bats seem to be natural reservoirs or dietary-related dispensers of these viruses. Here, we report a distantly related member of the genus Cyclovirus detected in the faeces of a great roundleaf bat (Hipposideros armiger). Interestingly, the novel virus lacks a Circoviridae-specific stem-loop structure, although a Geminiviridae-like nonamer sequence was detected in the large intergenic region. Based on these differences and its phylogenetic position, we propose that our new virus represents a distant and highly divergent member of the genus Cyclovirus. However it is lacking several characteristics of members of the genus, which raises a challenge in its taxonomic classification.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3377-2
      Issue No: Vol. 162, No. 8 (2017)
       
  • A single L288I substitution in the fusion protein of bovine parainfluenza
           virus type 3 enhances virus growth in semi-suitable cell lines
    • Authors: Ryosuke Matsuura; Marina Takada; Takehiro Kokuho; Takamitsu Tsuboi; Ken-ichiro Kameyama; Kaoru Takeuchi
      Pages: 2409 - 2413
      Abstract: The bovine parainfluenza virus type 3 BN-CE vaccine strain was obtained by serial passage of the BN-1 strain in chicken embryonic fibroblasts (CEF). We previously identified a substitution (L288I) in the fusion (F) protein between the two strains. To examine the effect of the substitution on CEF adaptation and attenuation, we generated a recombinant BN-1 strain with the L288I substitution in the F protein (FL288I-EGFP). FL288I-EGFP replicated more efficiently than a recombinant BN-1 strain (wt-EGFP) in semi-suitable cell lines, suggesting that the L288I substitution was established in the BN-1 strain during the process of adaptation in CEF.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3378-1
      Issue No: Vol. 162, No. 8 (2017)
       
  • First genetic characterization of newcastle disease viruses from Namibia:
           identification of a novel VIIk subgenotype
    • Authors: Umberto Molini; Gottlieb Aikukutu; Siegfried Khaiseb; Giovanni Cattoli; William G. Dundon
      Pages: 2427 - 2431
      Abstract: The complete sequences of the fusion (F) protein genes of six Newcastle disease virus (NDV) isolates from backyard poultry in Namibia in 2016 have been determined. The F gene cleavage site motif for all of the isolates was 112RRQKRF117, indicating that the viruses are virulent. A phylogenetic analysis using the full F gene sequence revealed that the viruses belong to a novel subgenotype, VIIk. This is the first genetic characterization of NDV isolates from Namibia, and the findings have important implications for Newcastle disease management and control in the region.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3389-y
      Issue No: Vol. 162, No. 8 (2017)
       
  • The complete genomic sequence of a novel alphapartitivirus from Bipolaris
           maydis , the causal agent of corn southern leaf blight
    • Authors: Qingchao Deng; Haoran Wang; Cong Li; Pei Li; Shouguo Fang; Song Yang; Fei Yan; Songbai Zhang; Zhuo Chen
      Pages: 2433 - 2436
      Abstract: A novel double-stranded RNA (dsRNA) mycovirus, designated Bipolaris maydis partitivirus 1 (BmPV1), was isolated from the plant pathogenic fungus Bipolaris maydis. The BmPV1 genome has two dsRNA segments. The larger segment (1,930 bp) has a single open reading frame (ORF) with a conserved RNA-dependent RNA polymerase domain. The smaller segment (1,790 bp) contains a single ORF encoding a putative coat protein. Homology searches and phylogenetic analysis indicated that BmPV1 is representative of a new species within the genus Alphapartitivirus.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3356-7
      Issue No: Vol. 162, No. 8 (2017)
       
  • Genomic characterization of bacteriophage vB_PcaP_PP2 infecting
           Pectobacterium carotovorum subsp. carotovorum , a new member of a proposed
           genus in the subfamily Autographivirinae
    • Authors: Jeong-A Lim; Sunggi Heu; Jinwoo Park; Eunjung Roh
      Pages: 2441 - 2444
      Abstract: Bacteriophage vB_PcaP_PP2 (PP2) is a novel virulent phage that infects the plant-pathogenic bacterium Pectobacterium carotovorum subsp. carotovorum. PP2 phage has a 41,841-bp double-stranded DNA encoding 47 proteins, and it was identified as a member of the family Podoviridae by transmission electron microscopy. Nineteen of its open reading frames (ORFs) show homology to functional proteins, and 28 ORFs have been characterized as hypothetical proteins. PP2 phage is homologous to Cronobacter phage vB_CskP_GAP227 and Dev-CD-23823. Based on phylogenetic analysis, PP2 and its homologous bacteriophages form a new group within the subfamily Autographivirinae in the family Podoviridae, suggesting the need to establish a new genus. No lysogenic-cycle-related genes or bacterial toxins were identified.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3349-6
      Issue No: Vol. 162, No. 8 (2017)
       
  • Complete sequences of the RNA 1 and RNA 2 segments of chronic bee
           paralysis virus strain CBPV-BJ detected in China
    • Authors: Beibei Li; Shuai Deng; Dahe Yang; Chunsheng Hou; Qingyun Diao
      Pages: 2451 - 2456
      Abstract: Chronic bee paralysis virus (CBPV) is an important viral pathogen that affects adult bees. Although several CBPV strains have been reported, little information has been obtained from China. In this study, two major segments of the CBPV Chinese isolate CBPV-BJ, RNA 1 and RNA 2, were determined to be 3657 and 2267 nucleotides (nt) in length, respectively. RNA 1 and RNA 2 contained three and four open reading frames (ORFs), respectively, which agreed with known reference strains (EU122229 and EU122230). The RNA 1 had 98% nucleotide sequence identity to a known Chinese strain (KU950353), and RNA 2 had 97% nucleotide sequence identity to another Chinese strain (KU950354). Although the lengths of the RNA 1 and RNA 2 sequences were 17 nt and 38 nt shorter than those of the CBPV reference strains EU122229 and EU122230, respectively, the complete CBPV-BJ RNA 1 and RNA 2 sequences shared 91% and 92% identity with them. Phylogenetic analysis based on the sequences of the RNA-dependent RNA polymerase (RdRp) and putative structural proteins (pSPs) showed that CBPV-BJ was most closely related to the other two Chinese isolate (KU950353 and KU950354) and clustered with most Asian strains. These data provide new information that will lead to a better understanding of the diversity of the CBPV genome.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3373-6
      Issue No: Vol. 162, No. 8 (2017)
       
  • Complete genome sequence of jacquemontia yellow vein virus, a novel
           begomovirus infecting Jacquemontia tamnifolia in Venezuela
    • Authors: Elvira Fiallo-Olivé; Dorys T. Chirinos; Francis Geraud-Pouey; Jesús Navas-Castillo
      Pages: 2463 - 2466
      Abstract: Wild plants of the family Convolvulaceae are hosts for a few New World begomoviruses (genus Begomovirus, family Geminiviridae). In this work, we report the complete genome sequence of a new begomovirus infecting the wild convolvulaceous plant Jacquemontia tamnifolia in Venezuela. The cloned bipartite genome showed the organization of typical New World begomoviruses and was found to be phylogenetically related to those of begomoviruses from Venezuela and other Caribbean countries. Several recombination events have been shown to have occurred involving genome fragment exchange with related begomoviruses infecting crops such as tomato and cucurbits and wild plants, including Jacquemontia sp. We propose the name jacquemontia yellow vein virus (JacYVV) for this new begomovirus.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3372-7
      Issue No: Vol. 162, No. 8 (2017)
       
  • Complete genome sequence and phylogenetic analyses of an aquabirnavirus
           isolated from a diseased marbled eel culture in Taiwan
    • Authors: Chiu-Ming Wen
      Pages: 2467 - 2471
      Abstract: An aquabirnavirus was isolated from diseased marbled eels (Anguilla marmorata; MEIPNV1310) with gill haemorrhages and associated mortality. Its genome segment sequences were obtained through next-generation sequencing and compared with published aquabirnavirus sequences. The results indicated that the genome sequence of MEIPNV1310 contains segment A (3099 nucleotides) and segment B (2789 nucleotides). Phylogenetic analysis showed that MEIPNV1310 is closely related to the infectious pancreatic necrosis Ab strain within genogroup II. This genome sequence is beneficial for studying the geographic distribution and evolution of aquabirnaviruses.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3382-5
      Issue No: Vol. 162, No. 8 (2017)
       
  • Molecular characterization of yerba mate chlorosis-associated virus, a
           putative cytorhabdovirus infecting yerba mate ( Ilex paraguariensis )
    • Authors: Nicolás Bejerman; Soledad de Breuil; Humberto Debat; Marcos Miretti; Alejandra Badaracco; Claudia Nome
      Pages: 2481 - 2484
      Abstract: We present the molecular characterization of a new virus infecting yerba mate (Ilex paraguariensis St. Hil.) in Argentina. Deep sequencing of diseased yerba mate plants showing chlorotic linear patterns, chlorotic rings, and vein yellowing resulted in the identification of a new virus resembling plant rhabdoviruses in sequence and genome structure. We have determined the complete genome sequence of this virus, which is 12,876 nt long. Seven open reading frames (ORFs) were identified in the antigenomic orientation of the negative-sense, single-stranded viral RNA, in the order 3′-N-P-P3-P4-M-G-L-5′. Phylogenetic analysis suggested that the described virus is a new member of the genus Cytorhabdovirus, which was supported by the observation of rhabdovirus-like particles within the cytoplasm of infected yerba mate cells. The virus has been tentatively named “yerba mate chlorosis-associated virus” (YmCaV). The availability of the YmCaV genome sequence will contribute to assessing the genetic variability of this virus and determining its role in this yerba mate disease.
      PubDate: 2017-08-01
      DOI: 10.1007/s00705-017-3363-8
      Issue No: Vol. 162, No. 8 (2017)
       
 
 
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