Table 3.
Lick rates (licks/6 s) of taste stimuli in 129.B6-Tas1r3 congenic mice with different genotypes at the Tas1r3 locus (means ± standard errors)
| Solution | Concentration (mM) | 129/129 Homozygote |
129/B6 Heterozygote |
||
|---|---|---|---|---|---|
| LiCl (n = 5) | NaCl (n = 7) | LiCl (n = 7) | NaCl (n = 8) | ||
| 1st Water | 34.4 ± 2.4 | 37.3 ± 2 | 30.4 ± 2.4 | 32.5 ± 2.5 | |
| Glycine | 100 | 6.6 ± 1.8* | 38 ± 1.5 | 7.3 ± 2* | 34.7 ± 1.7 |
| L-Tryptophan | 30 | 22.8 ± 3.9 | 34.6 ± 3 | 26.6 ± 3.4 | 20.9 ± 2.6 |
| NaCl | 30 | 29.2 ± 3.2* | 36.7 ± 1.9 | 25.9 ± 4.4* | 35.1 ± 2.2 |
| L-Alanine | 100 | 12.5 ± 4.4* | 36.3 ± 2.5 | 16.7 ± 4.3* | 33.4 ± 2.2 |
| 2nd Water | 28.7 ± 3.9 | 33.1 ± 2.9 | 29.9 ± 4.3 | 22.4 ± 3.6 | |
| D-Tryptophan | 30 | 10.6 ± 3.2* | 35.6 ± 3.3 | 6.6 ± 1.9* | 36.4 ± 1.8 |
| HCl | 1 | 17.6 ± 6.5 | 33.1 ± 3.9 | 23.3 ± 3.7 | 23.3 ± 4.7 |
| Saccharin | 2 | 8.4 ± 4.3* | 34.6 ± 3.3 | 8.7 ± 1.9* | 33.2 ± 3.9 |
| L-Proline | 100 | 11.3 ± 5* | 27.2 ± 5.2 | 8.7 ± 3.8* | 13.9 ± 2.3 |
| L-Glutamine | 100 | 6.8 ± 2.4* | 26.3 ± 4.5 | 5.6 ± 1.5* | 18.7 ± 2.3 |
| Sucrose | 100 | 13.7 ± 7.5* | 20.6 ± 2.3 | 3.3 ± 1.1* | 20.9 ± 4.4 |
*
Significant difference between NaCl- and LiCl-treated groups, P < 0.05 (post hoc t-test).