Gene-expression signatures of Atlantic salmon's plastic life cycle
General and Comparative Endocrinology
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Abstract
How genomic expression differs as a function of life history variation is largely unknown. Atlantic salmon exhibits extreme alternative life histories. We defined the gene-expression signatures of wild-caught salmon at two different life stages by comparing the brain expression profiles of mature sneaker males and immature males, and early migrants and late migrants. In addition to life-stage-specific signatures, we discovered a surprisingly large gene set that was differentially regulated-at similar magnitudes, yet in opposite direction-in both life history transitions. We suggest that this co-variation is not a consequence of many independent cellular and molecular switches in the same direction but rather represents the molecular equivalent of a physiological shift orchestrated by one or very few master regulators. ?? 2009 Elsevier Inc. All rights reserved.
Suggested Citation
Aubin-Horth, N., Letcher, B., Hofmann, H., 2009, Gene-expression signatures of Atlantic salmon's plastic life cycle: General and Comparative Endocrinology, v. 163, no. 3, p. 278-284, https://doi.org/10.1016/j.ygcen.2009.04.021.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Gene-expression signatures of Atlantic salmon's plastic life cycle |
| Series title | General and Comparative Endocrinology |
| DOI | 10.1016/j.ygcen.2009.04.021 |
| Volume | 163 |
| Issue | 3 |
| Year Published | 2009 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | General and Comparative Endocrinology |
| First page | 278 |
| Last page | 284 |