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From 2012.igem.org

Bacillus salus carnis

B. salus carnis will be engineered strain of b. subtilis which provides a real-time edibility indicator for packaged meat and fish.

It uses a modified carotenoid pathway to indicate (Fig. 1):

1. The concentration of volatiles present at the eukaryotic amine-group receptors
2. Toxic concentrations of ammonium
3. Toxicity due to pH

Fig. 1. Overview of the functional reaction pathway for b. salus carnis. (Image to appear evening 5/10/2012)

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