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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Archives of virology 86 (1985), S. 263-273 
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The mechanism of cell-fusion induced by caprine arthritis-encephalitis virus (CAEV) was investigated. Following infection with concentrated CAEV, cell fusion occurred prior to the production of infectious progeny virus. The time of initial detection of cell fusion was dependent on the multiplicity of infection and was not detected until 5 hours after infection. The virus-induced cell fusion was only partially inhibited by ultraviolet irradiation of the virus and was not inhibited by cytosine arabinoside. The results indicated that fusion by CAEV was a slow response to direct interaction of input virus with cells (fusion from without) and that virus replication was not required.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary.  Monoclonal antibodies (MAbs) against a 39 kDa (σC) protein of the avian reovirus RAM-1 strain inhibited virus-induced fusion of cells and the protein was expressed on the surface of infected cells. The fusion-inhibiting activity of the three MAbs reacting with the σC protein suggest two putative epitopes were involved: one epitope recognised by antibody 6H1 and involved in fusion of both Vero and CK cells and a second epitope recognised by antibody 1G1 involved in fusion of Vero cells but not CK cells. The activity of the MAb 6E2 was intermediate, suggesting it may have been located in an intermediate position between the two putative epitopes and inhibited fusion by steric hindrance.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Archives of virology 83 (1985), S. 53-63 
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Three serotypes of feline syncytial virus (FSV) were detected by neutralisation tests: 906, a serotype of low prevalence and 702 and 951 which were serotypes of higher prevalence, between which a minor one-way antigenic difference was detected. Serum antibody in naturally-infected cats in some cases neutralised 951 but not 702 or 906 which suggested that 951 could be considered as a major distinct serotype. An increase in prevalence of antibody to FSV in cats over a 5 year period from 1977–1981 was detected by neutralisation, agar gel immunodiffusion, and fluorescent antibody techniques. Over the 5 year period the prevalence of antibody to the 951 serotype increased and the overall increase in prevalence of antibody to FSV during this period appeared to relate to dissemination of the 951 serotype.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-5036
    Keywords: P uptake ; Root growth ; Root length ; Soil solution P
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The Claassen and Barber mechanistic mathematical model was used to predict P uptake by two tomato (Lycopersicon esculentum Mill.) cultivars, C-37 and Knox. The model was evaluated by comparing observed P uptake by tomato plants growing 13, 16, 19, and 22 days under sufficient and insufficient soil P conditions with predicted P uptake. Root morphological and physiological characteristics and soil P-supply parameters were combined, in the model, to predict P uptake. There was a high correlation (r=0.97 and r=0.99) between predicted and observed P uptake by tomato plants grown at both soil-P levels. However, at the insufficient level the model underpredicted uptake.
    Type of Medium: Electronic Resource
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