ArticleInternational journal of evolutionary biology2012
Postzygotic Isolation Evolves before Prezygotic Isolation between Fresh and Saltwater Populations of the Rainwater Killifish, Lucania parva.
Article in International journal of evolutionary biology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 25 citations in OpenAlex.
- Phylogenomic timetree-calibrated speciation clocks for Caenorhabditis nematodes reveal slow but disproportionate accumulation of post-zygotic reproductive isolation.PLoS genetics · 2025Article
- The Ecology of Hybrid Incompatibilities.Cold Spring Harbor perspectives in biology · 2024Review
- How Important Is Sexual Isolation to Speciation?Cold Spring Harbor perspectives in biology · 2024Review
- The emergence of ecotypes in a parasitoid wasp: a case of incipient sympatric speciation in Hymenoptera?BMC ecology and evolution · 2021Article
- Genomic landscape of reproductive isolation in Lucania killifish: The role of sex loci and salinity.Journal of evolutionary biology · 2021Article
- The evolution of reproductive isolation in Daphnia.BMC evolutionary biology · 2019Article
- Establishment of F1 hybrid mortality in real time.BMC evolutionary biology · 2017Article
- Both morph- and species-dependent asymmetries affect reproductive barriers between heterostylous species.Ecology and evolution · 2016Article
- Insight into genomic changes accompanying divergence: genetic linkage maps and synteny of Lucania goodei and L. parva reveal a Robertsonian fusion.G3 (Bethesda, Md.) · 2014Article
- Testing for intraspecific postzygotic isolation between cryptic lineages of Pseudacris crucifer.Ecology and evolution · 2013Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Divergent natural selection has the potential to drive the evolution of reproductive isolation. The euryhaline killifish Lucania parva has stable populations in both fresh water and salt water. Lucania parva and its sister species, the freshwater L. goodei, are isolated by both prezygotic and postzygotic barriers. To further test whether adaptation to salinity has led to the evolution of these isolating barriers, we tested for incipient reproductive isolation within L. parva by crossing freshwater and saltwater populations. We found no evidence for prezygotic isolation, but reduced hybrid survival indicated that postzygotic isolation existed between L. parva populations. Therefore, postzygotic isolation evolved before prezygotic isolation in these ecologically divergent populations. Previous work on these species raised eggs with methylene blue, which acts as a fungicide. We found this fungicide distorts the pattern of postzygotic isolation by increasing fresh water survival in L. parva, masking species/population differences, and underestimating hybrid inviability.
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Registered trials
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