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Credit: Photo: C. Schranner / Leibniz-LSB@TUM
A team of scientists led by Dietmar Krautwurst from the Leibniz Institute for Food Systems Biology at the Technical University of Munich has now identified address codes in odorant receptor proteins for the first time. Similar to zip codes, the codes ensure that the sensor proteins are targeted from inside the cell to the cell surface, where they begin their work as odorant detectors. The new findings could contribute to the development of novel test systems with which the odorant profiles of foods can be analyzed in a high-throughput process and thus could be better controlled.