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http://dx.doi.org/10.5352/JLS.2008.18.7.1011

Genetic Factor of Bitter Taste Perception in Humans.  

Lee, Hye-Jin (Department of Biology, College of Natural Sciences, Kyungpook National University)
Kim, Un-Kyung (Department of Biology, College of Natural Sciences, Kyungpook National University)
Publication Information
Journal of Life Science / v.18, no.7, 2008 , pp. 1011-1014 More about this Journal
Abstract
The ability or inability to taste phenylthiocarbamide (PTC) is a classic inherited trait that has been best-studied in human populations. Also, variation in PTC perception has been correlated with dietary preferences and thus may have important consequence for diet-related diseases in modem populations. The recent identification of the TAS2R38 gene (PTC gene) which is a member of TAS2R family of bitter taste receptor genes and three common polymorphisms in the gene is highly correlated with taste sensitivity to PTC. Balancing natural selection has acted to maintain high frequency of both alleles of the gene in human population. Future detailed studies of the relationships between molecular mechanisms and taste function may have therapeutic implications, such as helping patients to consume beneficial bitter-tasting compounds.
Keywords
Bitter taste; taste blindness; phenylthiocarbamide; single nucleotide polymorphism; TAS2R;
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