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    Characterisation of a potyvirus from Centrosema pubescens Benth

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    odedara-characterisation-2007.pdf (1.151Mb)
    Date
    2007
    Author
    Odedara, O.O
    Hughes, J.
    Tarawali, Shirley A.
    Odebode, A.C.
    Winter, S.
    Type
    Journal Article
    Metadata
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    Abstract/Description
    A virus, 750 × 18 nm, was isolated from Centrosema pubescens from Nigeria, causing leaf malformation, mosaic and mottling on the plant. When inoculated on to various test plants, it failed to produce necrotic or chlorotic lesions on Chenopodium amaranticolor, but symptoms of mottling were observed. The virus did not infect cowpea (Vigna unguiculata varieties IT82E-10, IT84S-2114, Ife brown, TVU 76 or TVU 2657), but produced chlorotic spots, vein clearing and mottling on soybean (Glycine max cultivars Malayan and Samsoy-2). Protein-A sandwich enzyme-linked immunosorbent assay (ELISA) shows that the virus is serologically closely related to Sweet potato feathery mottle virus (SPFMV) genus Potyvirus, Bean yellow mosaic virus (BYMV) genus Potyvirus and Tobacco etch virus (TEV) genus Potyvirus. Comparison of amino acid sequences of the coat protein of the virus with several potyvirus coat protein sequences, using BLAST (Basic Local Alignment Search Tool) analysis, confirmed the relationships. The antiserum raised against the virus had a titre value greater than 1 : 16,000, using antigen-coated plate ELISA. The name Centrosema mosaic virus (CenMoV) for this apparently new Potyvirus is suggested. The consequences of infection of forage legumes with this virus are discussed.
    http://dx.doi.org/10.1002/ts.192
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/3141
    Digital Object Identifier (DOI)
    http://dx.doi.org/10.1002/ts.192
    IITA Subjects
    Plant Diseases; Cowpea; Soybean
    Agrovoc Terms
    Centrosenxa Pubescens; Mosaic; Potyvirus; Serology; Characterisation
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Collections
    • Journal and Journal Articles4835
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