Antibiotic Interrelationships among the Enteric Group of Bacteria

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Antibiotic interrelationships among the enteric group of bacteria.

Instances of antagonism among the enteric group of bacteria have been frequently reported in the literature, but these are concerned primarily with mixed cultures in which many different factors, difficult to analyze, are involved. In 1925 Gratia observed a strain of Escherichia coli which produced a diffusible and thermolabile antibiotic substance. He called this substance "principe V." This "...

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Molecular and evolutionary relationships among enteric bacteria.

Classification of bacterial species into genera has traditionally relied upon variation in phenotypic characteristics. However, these phenotypes often have a multifactorial genetic basis, making unambiguous taxonomic placement of new species difficult. By designing evolutionarily conserved oligonucleotide primers, it is possible to amplify homologous regions of genes in diverse taxa using the p...

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Antagonisms among enteric pathogens and coliform bacteria.

That some strains of the coliform group of bacteria exert inhibitory effects on other microorganisms, when grown in association in liquid media, was reported first by Nissle in 1916. Because of the multiplicity of factors involved when organisms are growing in heterogeneous mixtures in liquid media, the nature of the inhibiting agent is difficult to ascertain. Gratia of Belgium (1925) observed ...

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ژورنال

عنوان ژورنال: Journal of Bacteriology

سال: 1947

ISSN: 0021-9193,1098-5530

DOI: 10.1128/jb.54.6.785-792.1947