Metabolic Characterization of the Genus Brucella VI. Growth Stimulation by i-Erythritol Compared with Strain Virulence for Guinea Pigs
AUTOR(ES)
Meyer, Margaret E.
RESUMO
Strains of Brucella abortus isolated 20 to 38 years ago and strains recently isolated were assessed for their virulence to guinea pigs and for their ability to grow in half-strength Tryptose Broth with and without i-erythritol. The recently isolated strains were virulent and i-erythritol enhanced their growth. The aged strains were avirulent and grew equally well in both media. Three of the recently isolated strains were subcultured serially every 24 hr alternately on Tryptose Agar slants and in half-strength Tryptose Broth without i-erythritol. After 8 to 13 such transfers, the growth of each strain was equivalent in both media. The subculture on which growth equivalence occurred was retested for virulence. None of the three strains had decreased in its virulence for guinea pigs. The conclusion was drawn that strain virulence for guinea pigs and growth enhancement by i-erythritol are independent characteristics.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=276546Documentos Relacionados
- Metabolic Characterization of the Genus Brucella V. Relationship of Strain Oxidation Rate of i-Erythritol to Strain Virulence for Guinea Pigs
- METABOLIC CHARACTERIZATION OF THE GENUS BRUCELLA IV. 3: Correlation of Oxidative Metabolic Patterns and Susceptibility to Brucella Bacteriophage, Type abortus, Strain
- Response of the vaccine strain of Brucella melitensis Rev I to erythritol.
- METABOLIC CHARACTERIZATION OF THE GENUS BRUCELLA I. : Statistical Evaluation of the Oxidative Rates by Which Type I of Each Species Can Be Identified
- Inhibition of growth by erythritol catabolism in Brucella abortus.