Variation in the Human TAS1R Taste Receptor Genes -- Kim et al. 31 (7): 599 -- Chemical... - 0 views
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manuelm ch on 02 Jan 09Más actual que los artículos del HHMI
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The genes TAS1R1 and TAS1R3, which encode proteins that act as a dimer to form the umami (glutamate) taste receptor, showed less variation than the TAS1R2 gene, which acts as a dimer with TAS1R3 to form the sweet taste receptor
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We propose that human populations likely vary little with respect to umami perception, which is controlled by one major form of the receptor that is optimized for detecting glutamate but may vary much more with respect to sweet perception
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In contrast, substantial information has accumulated about variation in the TAS2R bitter receptor gene family. The TAS2R genes have been shown to be highly polymorphic