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Medium for Inhibition of Spreaders and Differentiation of B. coli and B. aerogenes
Charles Edward Skinner and T. J. Murray
The Journal of Infectious Diseases
Vol. 34, No. 6 (Jun., 1924), pp. 585-591
Published by: Oxford University Press
Stable URL: http://www.jstor.org/stable/30083166
Page Count: 7
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The addition of 1:100,000 crystal violet to the A.P.H.A. standard eosin-methylene blue agar inhibits the development of spreading colonies. The addition of this amount of dye to the standard agar does not make the identification or isolation of the colon bacilli more difficult. On the contrary, the colonies are even more typical than on the standard agar. B. coli and B. aerogenes can be fairly well distinguished from each other by colony appearance on this agar. B. coli predominates in feces, and B. aerogenes in soil.
The Journal of Infectious Diseases © 1924 Oxford University Press