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Post-glacial establ...
Post-glacial establishment of locally adapted fish populations over a steep salinity gradient
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- Leder, Erica H, 1967 (author)
- Gothenburg University,Göteborgs universitet,Linnécentrum för marin evolutionsbiologi (CEMEB),Institutionen för marina vetenskaper,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Department of marine sciences,Centre for Marine Evolutionary Biology, University of Gothenburg, Gothenburg, Sweden
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- André, Carl, 1958 (author)
- Gothenburg University,Göteborgs universitet,Linnécentrum för marin evolutionsbiologi (CEMEB),Institutionen för marina vetenskaper,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Department of marine sciences,Centre for Marine Evolutionary Biology, University of Gothenburg, Gothenburg, Sweden
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- Le Moan, Alan (author)
- Gothenburg University,Göteborgs universitet,Linnécentrum för marin evolutionsbiologi (CEMEB),Institutionen för marina vetenskaper,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Department of marine sciences,Centre for Marine Evolutionary Biology, University of Gothenburg, Gothenburg, Sweden
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- Töpel, Mats H., 1973 (author)
- Gothenburg University,Göteborgs universitet,Linnécentrum för marin evolutionsbiologi (CEMEB),Institutionen för marina vetenskaper,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Department of marine sciences,Centre for Marine Evolutionary Biology, University of Gothenburg, Gothenburg, Sweden
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- Blomberg, Anders, 1956 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Institutionen för marina vetenskaper,Linnécentrum för marin evolutionsbiologi (CEMEB),Department of Chemistry and Molecular Biology,Department of marine sciences,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Centre for Marine Evolutionary Biology, University of Gothenburg, Gothenburg, Sweden
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- Havenhand, Jonathan N., 1959 (author)
- Gothenburg University,Göteborgs universitet,Linnécentrum för marin evolutionsbiologi (CEMEB),Institutionen för marina vetenskaper,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Department of marine sciences,Centre for Marine Evolutionary Biology, University of Gothenburg, Gothenburg, Sweden
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- Lindstrom, K. (author)
- Environmental and Marine Biology, Åbo Akademi University, Turku, Finland
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- Volckaert, Filip, 1957 (author)
- Gothenburg University,Göteborgs universitet,Linnécentrum för marin evolutionsbiologi (CEMEB),Institutionen för marina vetenskaper,Institutionen för biologi och miljövetenskap,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Department of marine sciences,Department of Biological and Environmental Sciences,Centre for Marine Evolutionary Biology, University of Gothenburg, Gothenburg, Sweden
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- Kvarnemo, Charlotta, 1963 (author)
- Gothenburg University,Göteborgs universitet,Linnécentrum för marin evolutionsbiologi (CEMEB),Institutionen för biologi och miljövetenskap,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Department of Biological and Environmental Sciences,Centre for Marine Evolutionary Biology, University of Gothenburg, Gothenburg, Sweden
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- Johannesson, Kerstin, 1955 (author)
- Gothenburg University,Göteborgs universitet,Linnécentrum för marin evolutionsbiologi (CEMEB),Institutionen för marina vetenskaper,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Department of marine sciences,Centre for Marine Evolutionary Biology, University of Gothenburg, Gothenburg, Sweden
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- Svensson, Ola, 1971 (author)
- Högskolan i Borås,Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Linnécentrum för marin evolutionsbiologi (CEMEB),Department of Biological and Environmental Sciences,Linnaeus Centre for Marine Evolutionary Biology (CEMEB),Akademin för bibliotek, information, pedagogik och IT,Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden,SONOMA – Ämnesdidaktiska forskargruppen för SO, NO och matematik
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(creator_code:org_t)
- 2020-07-17
- 2021
- English.
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In: Journal of Evolutionary Biology. - : Wiley. - 1010-061X .- 1420-9101. ; 34:1, s. 138-56
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Abstract
Subject headings
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- Studies of colonization of new habitats that appear from rapidly changing environments are interesting and highly relevant to our understanding of divergence and speciation. Here, we analyse phenotypic and genetic variation involved in the successful establishment of a marine fish (sand goby,Pomatoschistus minutus) over a steep salinity drop from 35 PSU in the North Sea (NE Atlantic) to two PSU in the inner parts of the post-glacial Baltic Sea. We first show that populations are adapted to local salinity in a key reproductive trait, the proportion of motile sperm. Thereafter, we show that genome variation at 22,190 single nucleotide polymorphisms (SNPs) shows strong differentiation among populations along the gradient. Sequences containing outlier SNPs and transcriptome sequences, mapped to a draft genome, reveal associations with genes with relevant functions for adaptation in this environment but without overall evidence of functional enrichment. The many contigs involved suggest polygenic differentiation. We trace the origin of this differentiation using demographic modelling and find the most likely scenario is that at least part of the genetic differentiation is older than the Baltic Sea and is a result of isolation of two lineages prior to the current contact over the North Sea-Baltic Sea transition zone.
Subject headings
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
Keyword
- genetic differentiation
- local adaptation
- population genomics
- salinity
- gradient
- sperm traits
- genetic mating patterns
- sand goby
- sexual selection
- sperm motility
- reproductive isolation
- expression analysis
- egg survival
- f-statistics
- genome scans
- baltic sea
- Environmental Sciences & Ecology
- Evolutionary Biology
- Heredity
- genetic differentiation
- Lärarutbildning och pedagogisk yrkesverksamhet
Publication and Content Type
- ref (subject category)
- art (subject category)
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Leder, Erica H, ...
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André, Carl, 195 ...
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Le Moan, Alan
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Töpel, Mats H., ...
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Blomberg, Anders ...
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Havenhand, Jonat ...
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Lindstrom, K.
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Volckaert, Filip ...
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Kvarnemo, Charlo ...
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Johannesson, Ker ...
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Svensson, Ola, 1 ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
- Articles in the publication
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Journal of Evolu ...
- By the university
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University of Gothenburg
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University of Borås