Mitochondrial DNA evidence of an early Holocene population expansion of threespine sticklebacks from Scotland

Ripan S. Malhi; Gillian Rhett; Alison M. Bell

doi:10.1016/j.ympev.2006.02.019

Mitochondrial DNA evidence of an early Holocene population expansion of threespine sticklebacks from Scotland

Ripan S. Malhi, Gillian Rhett, Alison M. Bell

Research output: Contribution to journal › Article › peer-review

Abstract

In this study, we analyzed the cytochrome b gene in threespine stickleback (Gasterosteus aculeatus) populations from Scotland. We found evidence of a postglacial population expansion in Scotland and large differences in genetic diversity estimates among populations. Higher levels of genetic diversity are negatively correlated with distance from the ocean. In addition, distance from the ocean and predation risk both explain variation in plate count in Scottish populations. Overall, the mtDNA data support the racemic model of evolution in threespine stickleback.

Original language	English (US)
Pages (from-to)	148-154
Number of pages	7
Journal	Molecular Phylogenetics and Evolution
Volume	40
Issue number	1
DOIs	https://doi.org/10.1016/j.ympev.2006.02.019
State	Published - Jul 2006
Externally published	Yes

Keywords

Cytochrome b
Gasterosteus aculeatus
Gene flow
Genetic structure
Haplogroup
Migration
Population expansion
Stickleback

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics
Molecular Biology
Genetics

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10.1016/j.ympev.2006.02.019

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abstract = "In this study, we analyzed the cytochrome b gene in threespine stickleback (Gasterosteus aculeatus) populations from Scotland. We found evidence of a postglacial population expansion in Scotland and large differences in genetic diversity estimates among populations. Higher levels of genetic diversity are negatively correlated with distance from the ocean. In addition, distance from the ocean and predation risk both explain variation in plate count in Scottish populations. Overall, the mtDNA data support the racemic model of evolution in threespine stickleback.",

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AU - Rhett, Gillian

AU - Bell, Alison M.

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AB - In this study, we analyzed the cytochrome b gene in threespine stickleback (Gasterosteus aculeatus) populations from Scotland. We found evidence of a postglacial population expansion in Scotland and large differences in genetic diversity estimates among populations. Higher levels of genetic diversity are negatively correlated with distance from the ocean. In addition, distance from the ocean and predation risk both explain variation in plate count in Scottish populations. Overall, the mtDNA data support the racemic model of evolution in threespine stickleback.

KW - Cytochrome b

KW - Gasterosteus aculeatus

KW - Gene flow

KW - Genetic structure

KW - Haplogroup

KW - Migration

KW - Population expansion

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Mitochondrial DNA evidence of an early Holocene population expansion of threespine sticklebacks from Scotland

Abstract

Keywords

ASJC Scopus subject areas

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