Chromogenic plating medium for the rapid presumptive identification of Bacillus anthrasis, Bacillus cereus, and Bacillus thuringiensis
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United States of America Patent
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Dec 18, 2007
Grant Date -
Jan 8, 2004
app pub date -
Jul 5, 2002
filing date -
Jul 5, 2002
priority date (Note) -
Expired
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Abstract
A plating medium for the presumptive identification of Bacillus cereus, Bacillus thuringiensis and/or Bacillus anthrasis that includes a nutrient base to facilitate growth of Bacillus cereus, Bacillus thuringiensis and Bacillus anthrasis, a chromogenic substrate that changes color responsive to the presence of PC-PLC enzymes, and an ingredient that promotes the expression of the PC-PLC enzyme. In a preferred embodiment, the medium includes a second chromogenic substrate that changes color responsive to the presence of PI-PLC enzymes and an ingredient that promotes the expression of the PI-PLC enzyme.
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