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Integration and excision of pMMC7105 in Pseudomonas syringae pv. phaseolicola occur by recombination between copies of a repetitive IS-like sequence

Creator:: Ehrenshaft, Marilyn
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE THESIS OF Marilyn Ehrenshaft for the degree of Doctor of Philosophy in Botany and Plant

Characterization of the replication, incompatibility, and recombination regions of Pseudomonas syringae pv. phaseolicola plasmid pEXC8080

Creator:: Poplawsky, Alan R.
Resource Type:: Dissertation
Full Text:: Alan R. Poplawsky for the degree of Doctor of Philosophy in Botany and Plant Pathology presented on

The detection of ilarvirus (subgroup B) by enzyme-linked immunosorbent assay

Creator:: McMorran, Jeffrey P.
Abstract:: The reliability and sensitivity of enzyme-linked immunosorbent assay (ELISA) in the detection of ilarvirus (isometric labile ringspot virus) subgroup B and prune dwarf virus (PDV) isolates in Prunus and Malus species has been well established. To use this technique in large scale virus indexing programs more information was required on...
Resource Type:: Masters Thesis
Full Text:: multitude of hosts, and cover a wide range of the isolates originally referred to by R. W. Fulton (1968) as

Distribution of Acremonium coenophialum in developing seedlings and inflorescences of Festuca arundinacea

Creator:: Cook, Kathy L.
Abstract:: Acremonium coenophialum is an endophytic fungus which infects the reproductive and vegetative tissue of tall fescue. Interest in this fungus was sparked by research which linked its presence in tall fescue with reduced weight gains and alkaloid-like poisoning in cattle. Incomplete information was available on the endophyte's life or disease...
Resource Type:: Masters Thesis
Full Text:: this thesis too easily. Special thanks are also given to my sister, Marilyn Rooper, for the

Distribution and characterization of ice nucleation active strains of Pseudomonas syringae from diseased woody plants and grasses

Creator:: Baca, Steve
Abstract:: In a recent survey, it was observed that many woody plant species grown in Pacific Northwest nurseries exhibited disease symptoms typical of a bacterial infection and Pseudomonas syringae was commonly isolated from these tissues. The distribution of the ice nucleation phenotype among P. syringae strains recovered from these infected woody...
Resource Type:: Masters Thesis
Full Text:: Syringae From Diseased Woody Plants and Grasses Redacted for Privacy Abstract approved: r. Larry Moore

Development, reproductive morphology, and cytology of Halosaccion glandiforme (Gmelin) Ruprecht (Rhodophyceae, Palmariales)

Creator:: Mitman, Grant Gregory
Abstract:: Halosaccion glandiforme, a member of the family Palmariaceae, is a common macrophyte found in the high to middle intertidal zones of the north temperate Pacific Ocean. Plants were grown in culture from spores and the lift history was critically examined by the use of scanning EM and light microscopy. H....
Resource Type:: Masters Thesis
Full Text:: thanks go to my parents Marilyn and Robert Mitman for their never ending encouragement. TABLE OF

Genetic recombination of the integrative plasmid pMC7105 of Pseudomonas syringae pv. phaseolicola involves repetitive sequences

Creator:: Szabo, Leslie J.
Abstract:: A strain of the phytopathogenic bacterium Pseudomonas syringae pv. phaseolicola, a pathogen of common bean Phaseolus vulgaris, harbors a 150 kilobase pair (kb) plasmid pMC7105. In one strain, LR719, pMC7105 is stably integrated in the bacterial chromosome. Imprecise excision of the pMC7105 replicon has been shown to result in the...
Resource Type:: Dissertation
Full Text:: . Appreciation is extended to my colleagues: Dirk Anderson, Mark Chatfield, Marilyn Ehrenshaft, Dean Gabriel

Pathogenic specialization and heterothallism in Sphaerotheca pannosa var. rosae

Creator:: Bender, Carol Lavane
Abstract:: Studies were conducted on pathogenic specialization and heterothallism in Sphaerotheca pannosa var. rosae, causal agent of rose powdery mildew. Methods were developed for isolation and identification of Sphaerotheca pannosa var. rosae races on rose. Monoconidial isolates were initiated on detached leaves, increased on host plants, and inoculated to rose cultivars...
Resource Type:: Masters Thesis
Full Text:: characteristics of four Sphaerotheca pannosa var. rosae isolates collected from R. rugosa and Dwarf Crimson

Serological identification of common and strain-specific antigens in Agrobacterium

Creator:: Bouzar, Hacene
Abstract:: Two new methods, one of broad specificity and the other of narrow specificity, were developed for the identification of agrobacteria. The former method was based on ribosomal antigens that were common to members of the closely related Agrobacterium and Rhizobium genera. Antisera to unwashed 50 S ribosomal subunits from five...
Resource Type:: Dissertation
Full Text:: Marilyn Canfield for her enthusiasm, the encouragement she provided when the going got tough, and the

Forest structure and regeneration in the Tsuga heterophylla - Abies amabilis transition zone, central Western Cascades, Oregon

Creator:: Stewart, Glenn H.
Abstract:: The dynamics of stands in the mid-elevation old-growth Douglas-fir (Pseudotsuga menziesii) forests of the central western Oregon Cascade Range were investigated using stand structure analysis. Trees with different growth rates were commonly present in the same stand, which resulted often in a weak correlation between tree diameter and age. Thus,...
Resource Type:: Dissertation
Full Text:: throughout. Finally I would like to thank the real workers: to Marilyn, Kieren and little Stephen goes the

ScholarsArchive@OSU

Integration and excision of pMMC7105 in Pseudomonas syringae pv. phaseolicola occur by recombination between copies of a repetitive IS-like sequence

Characterization of the replication, incompatibility, and recombination regions of Pseudomonas syringae pv. phaseolicola plasmid pEXC8080

The detection of ilarvirus (subgroup B) by enzyme-linked immunosorbent assay

Distribution of Acremonium coenophialum in developing seedlings and inflorescences of Festuca arundinacea

Distribution and characterization of ice nucleation active strains of Pseudomonas syringae from diseased woody plants and grasses

Development, reproductive morphology, and cytology of Halosaccion glandiforme (Gmelin) Ruprecht (Rhodophyceae, Palmariales)

Genetic recombination of the integrative plasmid pMC7105 of Pseudomonas syringae pv. phaseolicola involves repetitive sequences

Pathogenic specialization and heterothallism in Sphaerotheca pannosa var. rosae

Serological identification of common and strain-specific antigens in Agrobacterium

Forest structure and regeneration in the Tsuga heterophylla - Abies amabilis transition zone, central Western Cascades, Oregon

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