گیرندهٔ چشایی نوع ۲، عضو ۳۸ (انگلیسی: Taste receptor type 2 member 38) یک پروتئین است که در انسان توسط ژن «TAS2R38» کُدگذاری میشود.
این ژن و پروتئینش در حسِ چشایی در انسان و شناخت مزهتلخی نقش دارند. ژنوتیپ متفاوت این ژن سبب میشود تا انسان مزهٔ فنیلتیوکربامید[۵][۶] و ۶-اِن-پروپیل تیواوراسیل[۷] را تشخیص دهد. با آنکه به نظر میرسد تفاوتهای ژنوتیپ گیرندهها در توانایی انسان در تشخیص مزههای گوناگون مؤثر باشد، گیرندهٔ TAS2R38، تنها گیرندهای است که چنین عملکرد متفاوتی از خود نشان دادهاست.[۸]
↑"Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
↑"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
↑Prodi DA, Drayna D, Forabosco P, Palmas MA, Maestrale GB, Piras D, Pirastu M, Angius A (2004). "Bitter Taste Study in a Sardinian Genetic Isolate Supports the Association of Phenylthiocarbamide Sensitivity to the TAS2R38 Bitter Receptor Gene". Chemical Senses. 29 (8): 697–702. doi:10.1093/chemse/bjh074. PMID15466815.
↑Kim UK, Drayna D (2004). "Genetics of individual differences in bitter taste perception: Lessons from the PTC gene". Clinical Genetics. 67 (4): 275–280. doi:10.1111/j.1399-0004.2004.00361.x. PMID15733260.
Conte C, Ebeling M, Marcuz A, Nef P, Andres-Barquin PJ (2003). "Identification and characterization of human taste receptor genes belonging to the TAS2R family". Cytogenet. Genome Res. 98 (1): 45–53. doi:10.1159/000068546. PMID12584440.
Pronin AN, Tang H, Connor J, Keung W (2005). "Identification of ligands for two human bitter T2R receptors". Chem. Senses. 29 (7): 583–93. doi:10.1093/chemse/bjh064. PMID15337684.
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