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. 1969 Nov;100(2):1037-43.
doi: 10.1128/jb.100.2.1037-1043.1969.

Characteristics of virulent, attenuated, and avirulent Mycoplasma pneumoniae strains

R P Lipman, W A Clyde Jr, F W Denny

Characteristics of virulent, attenuated, and avirulent Mycoplasma pneumoniae strains

R P Lipman et al. J Bacteriol. 1969 Nov.

Abstract

Homologous pairs of virulent and attenuated or avirulent Mycoplasma pneumoniae strains were derived and compared in an effort to elucidate the mechanisms of virulence. These related strains were found to vary in growth, glycolysis, protein electrophoretic patterns, peroxide formation, morphology, and cytadsorption. Variations in the last two characteristics closely correlated with avirulence. This enables understanding of one stage in the pathogenic sequence and provides a convenient marker for avirulence. The derivation of infectious avirulent strains may make possible their use as live vaccines against M. pneumoniae disease.

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