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Allelic Variation in Taste Genes Is Associated with Taste and Diet Preferences and Dental Caries
Umeå University, Faculty of Medicine, Department of Odontology.
Umeå University, Faculty of Medicine, Department of Odontology.ORCID iD: 0000-0002-4430-8125
Umeå University, Faculty of Medicine, Department of Odontology.ORCID iD: 0000-0002-2779-5865
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2019 (English)In: Nutrients, ISSN 2072-6643, E-ISSN 2072-6643, Vol. 11, no 7, article id 1491Article in journal (Refereed) Published
Abstract [en]

Taste and diet preferences are complex and influenced by both environmental and host traits while affecting both food selection and associated health outcomes. The present study genotyped 94 single nucleotide polymorphisms (SNPs) in previously reported taste and food intake related genes and assessed associations with taste threshold (TT) and preferred intensity (PT) of sweet, sour and bitter, food preferences, habitual diet intake, and caries status in healthy young Swedish men and women (n = 127). Polymorphisms in the GNAT3, SLC2A4, TAS1R1 and TAS1R2 genes were associated with variation in TT and PT for sweet taste as well as sweet food intake. Increasing PT for sweet was associated with increasing preference and intake of sugary foods. Similarly, increasing TT for sour was associated with increasing intake of sour foods, whereas the associations between food preference/intake and TT/PT for bitter was weak in this study group. Finally, allelic variation in the GNAT3, SLC2A2, SLC2A4, TAS1R1 and TAS1R2 genes was associated with caries status, whereas TT, PT and food preferences were not. It was concluded that variations in taste receptor, glucose transporter and gustducin encoding genes are related to taste perception, food preference and intake as well as the sugar-dependent caries disease.

Place, publisher, year, edition, pages
MDPI, 2019. Vol. 11, no 7, article id 1491
Keywords [en]
taste perception, taste preference, taste genes, diet preference, diet selection, caries
National Category
Nutrition and Dietetics Dentistry
Identifiers
URN: urn:nbn:se:umu:diva-162681DOI: 10.3390/nu11071491ISI: 000478885400090PubMedID: 31261961OAI: oai:DiVA.org:umu-162681DiVA, id: diva2:1346999
Available from: 2019-08-29 Created: 2019-08-29 Last updated: 2019-08-29Bibliographically approved

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Eriksson, LindaEsberg, AndersLif Holgerson, PernillaJohansson, Ingegerd

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