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Functional interactions between the enantiomers of the dihydropyridine 1,4-dihydro-2,6-dimethyl-5-nitro-4-[2-(trifluoromethyl)-phenyl]-3-pyridi ne carboxylic acid methyl ester (Bay K 8644) and the benzoylpyrrole methyl 2,5-dimethyl-4-[2(phenylmethyl)benzoyl]-H-pyrrole-3-carboxylate (FPL 64176) were investigated on L-type Ca++ channels in guinea pig ileal(More)
Immune sera were prepared in rabbits by the injection of living and acetone-killed cells of Brucella ovis and smooth and rough B. melitensis. The use of whole-cell antigens in agglutination and agglutinin-absorption tests revealed little relationship between B. ovis and smooth B. melitensis, although there was extensive cross-agglutination between B. ovis(More)
McDuff, C. R. (University of Wisconsin, Madison), Lois M. Jones, and J. B. Wilson. Characteristics of brucellaphage. J. Bacteriol. 83:324-329. 1962.-Methods of characterizing phage have been applied to a brucellaphage of Russian origin grown on its propagating strain, Brucella abortus R 19. Phage can be propagated by single plaque transfer. Phage titers of(More)
Jones, Lois M. (University of Wisconsin, Madison), C. R. McDuff, and J. B. Wilson. Phenotypic alterations in the colonial morphology of Brucella abortus due to a bacteriophage carrier state. J. Bacteriol. 83:860-866. 1962.-In the course of examining a number of Brucella cultures with a brucellaphage, it was observed that B. abortus cultures of intermediate(More)
A Brucella antigen containing polysaccharide but lacking smooth lipopolysaccharide was employed in a rapid radial immunodiffusion test. With this serological test, cattle infected with Brucella abortus could be identified in recently vaccinated herds which had high numbers of reactors to standard diagnostic tests.
In an attempt to obtain pure and well characterized smooth lipopolysaccharide (S-LPS) and rough lipopolysaccharide (R-LPS), smooth and rough strains of Brucella abortus were extracted by two different modifications of the phenol-water method. S-LPS was obtained in the phenol phase, and R-LPS was obtained in the aqueous phase. Further purification was(More)