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Filtering by: Creator Machovina, Melodie M. Remove constraint Creator: Machovina, Melodie M. Contributor advisor sim Putnam, Melodie Remove constraint Contributor advisor sim: Putnam, Melodie

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  • Exploring phylogeny of Rhodococcus fascians isolates using 16S ribosomal DNA sequence analysis

    Creator:
    Sandberg, Eva Song
    Abstract:
    Rhodococcus fascians is a Gram-positive, pleiomorphic actinomycete that causes leafy gall formation in a wide range of plant hosts. This particular phytopathogen has been a focus of research at the Oregon State University Plant Clinic, a diagnostic laboratory. Phylogeny of R. fascians isolates obtained from Plant Clinic submissions was determined...
    Resource Type:
    Honors College Thesis
    Full Text:
    Melodie Putnam Rhodococcus fascians is a Gram-positive, pleiomorphic actinomycete that causes leafy gall

  • The Identification of Ophiostoma novo-ulmi subsp. americana from Portland Elms

    Creator:
    Au, Benjamin
    Abstract:
    Dutch elm disease (DED) is a disease of elm trees caused by three species of Ascomycota fungi: Ophiostoma ulmi, Ophiostoma novo-ulmi, and Ophiostoma himal-ulmi. There are also two subspecies of O. novo-ulmi: subsp. americana and subsp. novo-ulmi. The pathogen is spread by bark beetles, which inhabit and traverse different elms....
    Resource Type:
    Honors College Thesis
    Full Text:
    : Melodie Putnam Dutch elm disease (DED) is a disease of elm trees caused by three species of