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  • 1980-1984  (2)
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Material
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Getah virus inAedes vexans nipponii andCulex tritaeniorhynchus: Vector susceptibility and ability to transmit (1983)
    Springer
    Archives of virology 76 (1983), S. 299-305 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Vector competences ofAedes (Ae.) vexans nipponii (nip.) andCulex (Cx.) tritaeniorhynchus to Getah virus were assessed by using a membrane feeding technique. The Getah virus was present at high titer in both species of mosquitoes after 21 days of extrinsic incubation at 28° C. Infection rates on 21 post-feeding were 100 per cent (4/4) forAe. vexans nip. at a virus dosage of 105.3 PFU/ml and 60 per cent (3/5) forCx. tritaeniorhynchus at similar virus dosage. More than 103.5 PFU of virus was detected in salivary glands of both species of mosquitoes on day 21 of extrinsic incubation. Forty percent (2/5) ofAe. vexans nip. transmitted the virus into serum-agar after ingesting 104.3 PFU/ml of virus blood mixture. In experiments withCx. tritaeniorhynchus ingesting 107.5 PFU/ml of virus blood mixture, 57 per cent (4/7) were able to transmit the virus to suckling mice and 59 per cent (10/17) transmitted the virus into serum-agar.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01311197
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Relation of bovine leukosis virus production on cell growth cycle (1981)
    Springer
    Archives of virology 69 (1981), S. 141-148 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The cell cycle of fetal lamb kidney (FLK) cultures chronically infected with bovine leukosis virus was synchronized by double thymidine block. The synchronized FLK cells were examined for production of BLV antigen and virion release by cytoplasmic immunofluorescence and syncytia forming assay, respectively. The production of BLV antigens was increased during S and G2 phases and was decreased during M and G1 phases. BLV release was associated with the M phase of FLK cells. Short term lymphocyte cultures from BLV infected cattle were treated with hydroxyurea and mitomycin C. The expression of BLV antigen and DNA synthesis of PHA stimulated lymphocytes was inhibited by both drugs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01315157
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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