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  • 1
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Phytopathology 43 (2005), S. 623-660 
    ISSN: 0066-4286
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Biology
    Notes: The Rhabdoviridae, whose members collectively infect invertebrates, animals, and plants, form a large family that has important consequences for human health, agriculture, and wildlife ecology. Plant rhabdoviruses can be separated into the genera Cytorhabdovirus and Nucleorhabdovirus, based on their sites of replication and morphogenesis. This review presents a general overview of classical and contemporary findings about rhabdovirus ecology, pathology, vector relations, and taxonomy. The genome organization and structure of several recently sequenced nucleorhabdoviruses and cytorhabdoviruses is integrated with new cell biology findings to provide a model for the replication of the two genera. A prospectus outlines the exciting opportunities for future research that will contribute to a more detailed understanding of the biology, biochemistry, replication and host interactions of the plant rhabdoviruses.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Archives of virology 91 (1986), S. 163-173 
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Seven different epitopes on arabis mosaic virus (ArMV) were discerned. Neo-, crypto-, and epitopes exposed on the virion and isolated coat protein were differentiated by their reactivity with monoclonal antibodies in an indirect enzyme-linked immunosorbent assay. The monoclonal antibodies, producedin vitro andin vivo, were of IgGl, IgM and IgA isotype. No epitope exclusively specific for one isolate was found. One epitope was specific for ArMV isolates only. With the common epitopes an operational antigenic map was devised. An immunological relationship between nepoviruses of different serological subgroups was demonstrated. Grapevine fanleaf virus, a member of the ArMV subgroup could not be shown to expose crossreactive epitopes. For serotyping ArMV isolates were discriminated by comparing the reactivity of two or more monoclonal antibodies specific for different epitopes.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1573-5028
    Keywords: constitutive expression ; GFP ; GUS ; Musa ; ScBV ; transformation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A 1369 bp DNA fragment (Sc) was isolated from a full-length clone of sugarcane bacilliform badnavirus (ScBV) and was shown to have promoter activity in transient expression assays using monocot (banana, maize, millet and sorghum) and dicot plant species (tobacco, sunflower, canola and Nicotiana benthamiana). This promoter was also tested for stable expression in transgenic banana and tobacco plants. These experiments showed that this promoter could drive high-level expression of the β-glucuronidase (GUS) reporter gene in most plant cells. The expression level was comparable to the maize ubiquitin promoter in standardised transient assays in maize. In transgenic banana plants the expression levels were variable for different transgenic lines but was generally comparable with the activities of both the maize ubiquitin promoter and the enhanced cauliflower mosaic virus (CaMV) 35S promoter. The Sc promoter appears to express in a near-constitutive manner in transgenic banana and tobacco plants. The promoter from sugarcane bacilliform virus represents a useful tool for the high-level expression of foreign genes in both monocot and dicot transgenic plants that could be used similarly to the CaMV 35S or maize polyubiquitin promoter.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Plant molecular biology 38 (1998), S. 461-465 
    ISSN: 1573-5028
    Keywords: Ananas ; del1 ; integrase ; pineapple ; retrotransposon ; Ty3/gypsy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Retrotransposon-like sequences have been serendipitously detected in the genome of commercial pineapple, Ananas comosus. The sequence from a 2.6 kb cloned fragment of this element had greatest similarity to the del1 Lilium henryi retrotransposon and the gypsy/Ty3 group of retroelements. The order of the genes from 5′ to 3′ was reverse transcriptase, ribonuclease H and integrase. The integrase domain contained the amino acid sequence motifs which have been associated with recognition of the long terminal repeats and with the cutting/joining reactions required for integration of similar retroelements into the host genome. The retrotransposon existed as a population of variable sequences which were dispersed throughout the genome of pineapple. Southern hybridisation showed that the retrotransposon had integrated repeatedly into the pineapple genome. The reading frame of the element was not interrupted by stop codons, suggesting that it is still potentially capable of transposing. This is the first report of a retrotransposon in pineapple, which we have called dea1 (for dispersed element of Ananas).
    Type of Medium: Electronic Resource
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