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EM dneumark@berkeley.edu RI Neumark, Daniel/B 9551 2009 OI Neumark, Daniel/0000 0002 3762 9473 FU National Science Foundation [CHE 0649647]; US Israel Binational Science Foundation [2000 333, 2004 401] FX This research is supported by the National Science Foundation under Grant No

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Another example of this danger is the case of Bacillus thuringiensis (Bt), a soil bacterium that produces a natural toxin that organic farmers use as a method of biological pest control. The toxin in naturally occurring Bt bacteria are only activated by enzymes in the