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    Oligonucleotide fingerprinting detects genetic variability at different levels in Nigerian Mycosphaerella fijiensis

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    Date
    1997
    Author
    Muller, R.
    Pasberg-Gauhl, C.
    Gauhl, F.
    Ramser, J.
    Kahl, G.
    Type
    Journal Article
    Metadata
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    Abstract/Description
    DNA fingerprinting with synthetic simple repetitive oligonucleotides such as (CA)8 or (CAA)5 detected polymorphisms between various isolates of the ascomycete Mycosphaerella fijiensis, the causal agent of the black Sigatoka disease of Musa. These microsatellite motifs are present at multiple chromosomal locations and in high copy numbers in the Mycosphaerella genome, generating informative fingerprints with low background. Variability exists on a macro‐ as well as a microgeographical scale: it occurred within one lesion, between lesions of one plant, between plants, cultivars, and geographic locations. Mathematical analysis of the data produced dendrograms that demonstrated the presence of different genetically related groups of Mycosphaerella fijiensis in Nigeria.
    https://doi.org/10.1111/j.1439-0434.1997.tb00337.x
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/4995
    Digital Object Identifier (DOI)
    https://doi.org/10.1111/j.1439-0434.1997.tb00337.x
    IITA Subjects
    Plant Diseases; Disease Control; Plant Genetic Resources
    Agrovoc Terms
    Mycosphaerella Fijiensis; Genetic Variability
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Collections
    • Journal and Journal Articles4835
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