1887

Abstract

We studied the cellular and colonial morphologies, the deoxyribonucleic acid base compositions, the degrees of lysis by lysozyme and by sodium lauryl sulfate, and some fundamental biochemical reactions of 70 strains received as members of and We found that the strains of and had biochemical properties and morphological characteristics that were generally in agreement with those of the respective species, whereas did not. The guanine-plus-cytosine contents of the deoxyribonucleic acids and the susceptibilities to lysozyme and sodium lauryl sulfate were homogeneous for the strains of and whereas this was not true for the strains of and The strains received as were homogeneous for some characteristics (susceptibility to lytic agents, some biochemical reactions, Gram staining, and colony morphology) and heterogeneous for others (deoxyribonucleic acid base composition, some biochemical reactions, and cell morphology). All strains of this species were highly susceptible to lysozyme and completely resistant to sodium lauryl sulfate.

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1984-01-01
2022-09-28
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