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2007•Journal of Fish BiologyRequires access

Parallel evolution? Microsatellite variation of recently isolated marine and freshwater three‐spined stickleback

Guðbjörg Ásta Ólafsdóttir, Sigurður S. Snorrason, Michael G. Ritchie

Open publisher page 125 citations

Abstract

Variation at nine microsatellite loci, four of which are linked to phenotypic traits (spine length and lateral plate morphology) in Canadian three‐spined sticklebackGasterosteus aculeatus, are used to test for selection on marine and freshwater three‐spined stickleback morphs in Iceland. There are indications of strong selection on loci linked to dorsal spine length, providing another potential example of parallel divergence at the genomic level in three‐spined stickleback.

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What this paper is about

Variation at nine microsatellite loci, four of which are linked to phenotypic traits (spine length and lateral plate morphology) in Canadian three‐spined sticklebackGasterosteus aculeatus, are used to test for selection on marine and freshwater three‐spined stickleback morphs in Iceland. There are indications of strong selection on loci linked to dorsal spine length, providing another potential example of parallel divergence at the genomic level in three‐spined stickleback.

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Available abstract

Variation at nine microsatellite loci, four of which are linked to phenotypic traits (spine length and lateral plate morphology) in Canadian three‐spined sticklebackGasterosteus aculeatus, are used to test for selection on marine and freshwater three‐spined stickleback morphs in Iceland. There are indications of strong selection on loci linked to dorsal spine length, providing another potential example of parallel divergence at the genomic level in three‐spined stickleback.

Key concepts: Gasterosteus, Stickleback, Three-spined stickleback, Biology, Microsatellite, Zoology, Evolutionary biology, Ecology

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