Table 1.
Branchial and hepatic mRNA levels in Atlantic salmon maintained in FW from March 3 through July 10
| Target Gene | March 3 | April 8 | May 1 | July 10 |
|---|---|---|---|---|
| Gill | ||||
| igfbp4 | 1.00 ± 0.08b | 1.06 ± 0.20b | 1.49 ± 0.15a,b | 1.61 ± 0.10a |
| igfbp5a | 1.00 ± 0.15a,b | 0.79 ± 0.14b | 1.51 ± 0.18a | 0.73 ± 0.05b |
| igfbp5b1 | 1.00 ± 0.06a,b | 0.47 ± 0.06c | 1.17 ± 0.14a | 0.70 ± 0.09b,c |
| igfbp5b2 | 1.00 ± 0.12a,b | 0.57 ± 0.07c | 1.13 ± 0.06a | 0.76 ± 0.05b,c |
| Liver | ||||
| ghr1 | 1.00 ± 0.30b | 2.75 ± 0.33a | 1.09 ± 0.16b | 0.38 ± 0.08b |
| igf1 | 1.00 ± 0.21b | 3.04 ± 0.71a | 3.49 ± 0.15a | 3.25 ± 0.35a |
| igf2 | 1.00 ± 0.27 | 0.91 ± 0.31 | 0.56 ± 0.11 | 0.46 ± 0.07 |
| igfbp1a1 | 1.00 ± 0.45 | 0.69 ± 0.37 | 0.10 ± 0.04 | 0.02 ± 0.004 |
| igfbp1b1 | 1.00 ± 0.21b | 2.50 ± 0.47a | 1.05 ± 0.14b | 0.36 ± 0.02b |
| igfbp1b2 | 1.00 ± 0.16b | 5.75 ± 1.26a | 2.01 ± 0.27b | 0.21 ± 0.04b |
| igfbp2a | 1.00 ± 0.10 | 0.83 ± 0.07 | 0.74 ± 0.06 | 0.73 ± 0.07 |
| igfbp2b1 | 1.00 ± 0.10a | 0.51 ± 0.06b | 0.44 ± 0.05b | 0.44 ± 0.03b |
| igfbp2b2 | 1.00 ± 0.12 | 1.29 ± 0.15 | 0.97 ± 0.09 | 0.90 ± 0.02 |
Expression levels are presented as a fold-change from the March 3 group. Means ± S.E.M. (n = 8). For a given transcript, means not sharing the same superscript letter are significantly different (one-way ANOVA, Tukey’s HSD test, P < 0.05)