Abstract
SWR/J inbred mice (Tasters) reliably avoid, whereas C57BL/6J inbred mice (Nontasters) are indifferent to, sucrose octaacetate (SOA) at certain concentrations. From these strains we have developed a set of bilineal congenic Taster mice. Approximately 4000 mice, from 2 isogenic and 12 segregating generations, were tested in a program designed to evaluate genetic models for SOA tasting during development of congenic strains. The criterion phenotype was avoidance or nonavoidance in preference tests of the bitter tastant SOA at concentrations of 10−4 and 10−5 M. Across the 12 segregating generations, the results were consistent with Mendelian expectations for a single autosomal locus with complete dominance of the Taster phenotype. The breeding program produced 12 replicate B6.SW lines containing the taster allele on the B6-Nontaster genomic background. The congenic Taster mice may facilitate a functional analysis of the sense of taste.
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This research was supported in part by Grant NS 15560 from the NINCDS.
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Whitney, G., Harder, D.B. & Gannon, K.S. The B6.SW bilineal congenic sucrose octaacetate (SOA)-Taster mice. Behav Genet 19, 409–416 (1989). https://doi.org/10.1007/BF01066167
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DOI: https://doi.org/10.1007/BF01066167