Oscillating odorant contains two parts: the Producer and the Oscillator. We choose diacetyl as our desire odorant which widely used as a food additive to emit buttery flavor. In order to enhance the production, we construct the E.coli as the producer . Additionally, we add the oscillation system on the basis of odorant producing system, together, distributing a special volatile—diacetyl periodically.
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Receptor aims to transplant a nose for S.cerevisiaePCR) from C.elegans, odr-10, as our nose to detect the volatile, diacetyl, generated by E.coli. In order to improve the efficiency of the olfactory receptor, we would modify the downstream pathway by expressing chimeric Gpa1 and knock out the Far1 gene.
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