منابع مشابه
Antigenic Variation Among Adenovirus Type 12 Strains.
Recent reports relative to the oncogenicity of adenovirus types 12 and 18 (Trentin, Yabe, and Taylor, Science 137:835, 1962; Huebner, Rowe, and Lane, Proc. Natl. Acad. Sci. U.S. 48:2051, 1962) have caused a renewed surge of interest in the adenovirus group. In addition to the prototype strain Huie, Huebner and co-workers investigated eight adenovirus type 12 strains, recovered from anal swabs o...
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A simple procedure, based on the rapid filtration and washing of Frankia vesicle clusters, was devised for the isolation of Frankia strains from alder actinorhizal root nodules. Of 46 Alnus incana subsp. rugosa nodules prepared, 42 yielded isolates. A simple medium containing mineral salts, Casamino Acids, and sodium pyruvate proved to be the most effective for isolation. In general, colonies a...
متن کاملGeographic distribution and genetic diversity of Ceanothus-infective Frankia strains.
Little is known about Ceanothus-infective Frankia strains because no Frankia strains that can reinfect the host plants have been isolated from Ceonothus spp. Therefore, we studied the diversity of the Ceonothus-infective Frankia strains by using molecular techniques. Frankia strains inhabiting root nodules of nine Ceanothus species were characterized. The Ceanothus species used represent the ta...
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The repeated failures reported in cultivating some microbial lineages are a major challenge in microbial ecology and probably linked, in the case of Frankia microsymbionts to atypical patterns of auxotrophy. Comparative genomics of the so far uncultured cluster-2 Candidatus Frankia datiscae Dg1, with cultivated Frankiae has revealed genome reduction, but no obvious physiological impairments. A ...
متن کاملIsozyme Variation among Biological Species in the Gibberella fujikuroi Species Complex (Fusarium Section Liseola).
Isozyme phenotypes were determined for 101 strains of Gibberella fujikuroi and 2 strains of Gibberella nygamai that represent seven biological species (mating populations) isolated from a variety of plant hosts in dispersed geographic locations. Fourteen enzymes were resolved in one or more of three buffer systems. Two of the enzymes, arylesterase and acid phosphatase, were polymorphic within t...
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ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 1987
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.53.7.1596-1603.1987