A New Thermophilic Actinomyces

Abstract
Actinomyces casei (p.628) was iso lated from pasteurized cheese. Growth range was 40[degree]-60[degree] C; thermal death point, 2 hrs. at 100[degree]. It is an aerobe not growing on potato, and producing coagulation and peptonization of milk and complete liquefaction of gelatin. The literature on thermophilic Actinomycetes is reviewed, and a tabular differentiation from the 20 previously described thermophilic Actinomycetes is given.

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