ArticleEcology and evolution2013
Sea star populations diverge by positive selection at a sperm-egg compatibility locus.
Article in Ecology and evolution, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Genomic Divergence of Sympatric Lineages WithinEcology and evolution · 2025Article
- Synthesis and Scope of the Role of Postmating Prezygotic Isolation in Speciation.Cold Spring Harbor perspectives in biology · 2024Review
- RNA-seq coupled to proteomic analysis reveals high sperm proteome variation between two closely related marine mussel species.Journal of proteomics · 2019Article
- Article
- Genomic Signatures of Sexual Conflict.The Journal of heredity · 2017Article
- DNA polymorphism and selection at the bindin locus in three Strongylocentrotus sp. (Echinoidea).BMC genetics · 2016Article
- Recent insertion/deletion (reINDEL) mutations: increasing awareness to boost molecular-based research in ecology and evolution.Ecology and evolution · 2015Article
- Selection and demographic history shape the molecular evolution of the gamete compatibility protein bindin in Pisaster sea stars.Ecology and evolution · 2014Article
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Authors and funding
2 authors.
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Abstract
Fertilization proteins of marine broadcast spawning species often show signals of positive selection. Among geographically isolated populations, positive selection within populations can lead to differences between them, and may result in reproductive isolation upon secondary contact. Here, we test for positive selection in the reproductive compatibility locus, bindin, in two populations of a sea star on either side of a phylogeographic break. We find evidence for positive selection at codon sites in both populations, which are under neutral or purifying selection in the reciprocal population. The signal of positive selection is stronger and more robust in the population where effective population size is larger and bindin diversity is greater. In addition, we find high variation in coding sequence length caused by large indels at two repetitive domains within the gene, with greater length diversity in the larger population. These findings provide evidence of population-divergent positive selection in a fertilization compatibility locus, and suggest that sexual selection can lead to reproductive divergence between conspecific marine populations.
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