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A Selective Advantage to Immigrant Genes in a Daphnia Metapopulation
Abstract
Immigrants to habitats occupied by conspecific organisms are usually expected to be competitively inferior, because residents may be locally adapted. If residents are inbred, however, mating between immigrants and residents results in offspring that may enjoy a fitness advantage from hybrid vigor. We demonstrate this effect experimentally in a natural Daphnia metapopulation in which genetic bottlenecks and local inbreeding are common. We estimate that in this metapopulation, hybrid vigor amplifies the rate of gene flow several times more than would be predicted from the nominal migration rate. This can affect the persistence of local populations and the entire metapopulation.
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Cites
Mayr, E. (1963) · doi:10.4159/harvard.9780674865327 · Cited by 10,175
The population genetic consequences of habitat fragmentation for plants
Young, A., Boyle, T., & Brown, T. (1996) · Trends in Ecology & Evolution · doi:10.1016/0169-5347(96)10045-8 · Cited by 2,113
Cited by
Min, B., & Logan, B. E. (2004) · Environmental Science & Technology · doi:10.1021/es0491026 · Cited by 893
The alluring simplicity and complex reality of genetic rescue
TALLMON, D., LUIKART, G., & WAPLES, R. (2004) · Trends in Ecology & Evolution · doi:10.1016/j.tree.2004.07.003 · Cited by 857
Kawecki, T. J., Lenski, R. E., Ebert, D., Hollis, B., Olivieri, I., & Whitlock, M. C. (2012) · Trends in Ecology & Evolution · doi:10.1016/j.tree.2012.06.001 · Cited by 807
Self-citationDosage sensitivity and the evolution of gene families in yeast
Papp, B., Pál, C., & Hurst, L. D. (2003) · Nature · doi:10.1038/nature01771 · Cited by 753
Realistic levels of inbreeding depression strongly affect extinction risk in wild populations
O’Grady, J. J., Brook, B. W., Reed, D. H., Ballou, J. D., Tonkyn, D. W., & Frankham, R. (2006) · Biological Conservation · doi:10.1016/j.biocon.2006.05.016 · Cited by 498
Metadata
- Authors
- Ebert, D., Haag, C., Kirkpatrick, M., Riek, M., Hottinger, J. W., & Pajunen, V. I.
- Venue
- Science
- Published
- 2002-01-18
- Volume
- 295
- Issue
- 5554
- Pages
- 485-488
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2055875124
- Cited by
- 244
- References
- 2
- FWCI
- 10.67
- Type
- journal article
- Language
- en
- Open access
- closed
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- Ebert, D., Haag, C., Kirkpatrick, M., Riek, M., Hottinger, J. W., & Pajunen, V. I. (2002). A Selective Advantage to Immigrant Genes in a Daphnia Metapopulation. Science. https://doi.org/10.1126/science.1067485
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
