Incident light immunofluorescence of alcohol-fixed colonies of ruminant mycoplasma.

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  • 1 April 1973
    • journal article
    • Vol. 37  (2) , 207-9
Abstract
Two species of ruminant mycoplasma colonies had to be fixed in ethyl alcohol so that incident immunofluorescence method could be applied. In addition, the stain reaction had to be kept for 90 minutes at 37 degrees C. This fluorescent antibody (FA) method was developed to identify colonies of Vom strain of Mycoplasma mycoides var. capri, V-5 strain of M. mycoides var. mycoides, and PG-2 strain of M. agalactiaeon agar, using fluorescent ultraviolet light. Fluorescence was not demonstrated when heterologous conjugates or normal rabbit serum conjugate were applied but the reaction appeared to be specific for each strain of mycoplasma. The FA method was able to differentiate specific mycloplasma colonies in mixed cultures.