C - Chemistry – Metallurgy – 12 – Q
Patent
C - Chemistry, Metallurgy
12
Q
195/43, 150/16.5
C12Q 1/04 (2006.01) C12M 1/22 (2006.01)
Patent
CA 1263945
74 MINIATURIZED YEAST IDENTIFICATION SYSTEM ABSTRACT Methods and compositions are disclosed for the rapid identification of fungal pathogens. In a preferred method, a sample of human body fluid is obtained and subjected to analysis comprising inoculating a nutritive medium, incubating said inoculum for such time and temperature as is necessary for visible fungal colony formation, thereafter plating a sample of said visible fungi on miniature culture plates for example having the dimensions of about 33 x 75 x 5 millimeters, said plates containing differential fungal media, and thereafter identifying fungal pathogens in a manner consistent with said medium selected. In a related method utilizing the differential carbohydrate assimilation properties of fungal pathogens, a sample of human body fluid is obtained and subjected to analysis comprising inoculating a nutritive media, incubating said inoculum for such time and temperature as is necessary for visible fungal colony formation, thereafter inoculating a carbohydrate depleted medium with a sample of said visible fungi, incubating said inoculum for a period of time, thereafter plating a sample of said inoculated carbohydrate depleted medium on miniature culture plates, said plates containing differential carbohydrate assimilation media, and thereafter identifying said fungal pathogens in a manner consistent with said medium selected. Novel compositions useful in practicing the disclosed methods are provided. These include an improved fungal growth medium, the improvement comprising the novel addition of ammonium ions to a medium comprising purified saponin, oxgall, a substrate for phenol oxidase and a supporting agent.
470400
Dorn Gordon Lee
Fleming William Harold
Knezek Karen Lee
Dorn Gordon Lee
Kirby Eades Gale Baker
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