Summary |
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Variant origin |
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Variant description |
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Phenotypes |
View phenotypes and curated references for all genotypes (concatenated display).
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Notes |
Mapping and Phenotype information for this QTL, its variants and associated markersJ:144262Linkage analysis was performed on (C57BL/6J x PWK/PhJ)F2 animals to identify genetic loci associated with preference and intake of calcium and other salt compounds. Animals were subjected to a two-bottle choice test between water and one other solution (CaCl2, CaLa, MgCl2, KCl, NH4Cl, NaCl, citric acid, QHCl, or saccharin) for a period of 96 hours. PWK/PhJ is a high consumer of calcium chloride (CaCl2) and calcium lactate (CaLa) whereas C57BL/6J is a relatively low consumer. PWK/PhJ also consumes more MgCl2 compared to C57BL/6J. However, when consumption of KCl, NaCl and saccharin were analyzed, C57BL/6J animals consumed more of these solutions compared to PWK/PhJ animals. Linkage analysis was performed using 116 polymorphic markers at a resolution of 10cM - 30cM. Thirty QTLs reaching statistical significance were identified. Authors assigned separate QTL nomenclature for each of the salt compound QTL even if they mapped to the same linkage marker. Significant linkage to ammonium chloride preference mapped to 44 Mb on mouse Chromosome 9 near D9Mit129 (LOD=3.7) and is named Drinknh4cl2 (drink ammonium chloride 4 2). C57BL/6J-derived alleles at Drinknh4cl2 confer increased preference for ammonium chloride. Drinknh4cl2 explains 3.5% of the phenotypic variance. Significant linkage to sodium chloride preference mapped distally at 121 Mb near D9Mit151 (LOD=3.6). This locus explains 3.1% of the phenotypic variance and is named Drinknacl1 (drink sodium chloride 1). C57BL/6J-derived alleles at Drinknacl1 conferincreased preference for sodium chloride. |
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References |
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Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO) |
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last database update 10/29/2024 MGI 6.24 |
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