GEPHE SUMMARY Print
Gephebase Gene
Entry Status
Published
GepheID
GP00000510
Main curator
Martin
PHENOTYPIC CHANGE
Trait Category
Trait State in Taxon A
Gasterosteus aculeatus - marine
Trait State in Taxon B
Gasterosteus aculeatus - freshwater
Ancestral State
Taxon A
Taxonomic Status
Taxon A
Common Name
three-spined stickleback
Synonyms
three-spined stickleback; three spined stickleback; Gasterosteus aculeatus Linnaeus, 1758
Rank
species
Lineage
Show more ... a; Euteleosteomorpha; Neoteleostei; Eurypterygia; Ctenosquamata; Acanthomorphata; Euacanthomorphacea; Percomorphaceae; Eupercaria; Perciformes; Cottioidei; Gasterosteales; Gasterosteidae; Gasterosteus
NCBI Taxonomy ID
is Taxon A an Infraspecies?
Yes
Taxon A Description
Gasterosteus aculeatus - marine
Taxon B
Common Name
three-spined stickleback
Synonyms
three-spined stickleback; three spined stickleback; Gasterosteus aculeatus Linnaeus, 1758
Rank
species
Lineage
Show more ... a; Euteleosteomorpha; Neoteleostei; Eurypterygia; Ctenosquamata; Acanthomorphata; Euacanthomorphacea; Percomorphaceae; Eupercaria; Perciformes; Cottioidei; Gasterosteales; Gasterosteidae; Gasterosteus
NCBI Taxonomy ID
is Taxon B an Infraspecies?
Yes
Taxon B Description
Gasterosteus aculeatus - freshwater
GENOTYPIC CHANGE
Presumptive Null
Molecular Type
Aberration Type
Molecular Details of the Mutation
Large Inversion resulting in alternative transcripts
Experimental Evidence
Authors
Jones FC; Grabherr MG; Chan YF; Russell P; Mauceli E; Johnson J; Swofford R; Pirun M; et al. ... show more
Abstract
Marine stickleback fish have colonized and adapted to thousands of streams and lakes formed since the last ice age, providing an exceptional opportunity to characterize genomic mechanisms underlying repeated ecological adaptation in nature. Here we develop a high-quality reference genome assembly for threespine sticklebacks. By sequencing the genomes of twenty additional individuals from a global set of marine and freshwater populations, we identify a genome-wide set of loci that are consistently associated with marine-freshwater divergence. Our results indicate that reuse of globally shared standing genetic variation, including chromosomal inversions, has an important role in repeated evolution of distinct marine and freshwater sticklebacks, and in the maintenance of divergent ecotypes during early stages of reproductive isolation. Both coding and regulatory changes occur in the set of loci underlying marine-freshwater evolution, but regulatory changes appear to predominate in this well known example of repeated adaptive evolution in nature.
Additional References
RELATED GEPHE
Related Genes
No matches found.
Related Haplotypes
No matches found.
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