When Phenotypes Do Not Match Genotypes--Unexpected Phenotypic Diversity and Potential Environmental Constraints in Icelandic Stickleback
Divergent lateral plate phenotypes in stickleback represent one of only a few cases known, where a single gene underlies the phenotype under divergent selection between different habitats. However, the selection pressures leading to the repeated loss of lateral plates in freshwater are still not wel...
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fthighwire:oai:open-archive.highwire.org:jhered:103/4/579 2023-05-15T16:49:25+02:00 When Phenotypes Do Not Match Genotypes--Unexpected Phenotypic Diversity and Potential Environmental Constraints in Icelandic Stickleback Lucek, Kay Haesler, Marcel Philipp Sivasundar, Arjun 2012-07-01 00:00:00.0 text/html http://jhered.oxfordjournals.org/cgi/content/short/103/4/579 https://doi.org/10.1093/jhered/ess021 en eng Oxford University Press http://jhered.oxfordjournals.org/cgi/content/short/103/4/579 http://dx.doi.org/10.1093/jhered/ess021 Copyright (C) 2012, American Genetic Association Brief Communication TEXT 2012 fthighwire https://doi.org/10.1093/jhered/ess021 2012-07-20T15:15:46Z Divergent lateral plate phenotypes in stickleback represent one of only a few cases known, where a single gene underlies the phenotype under divergent selection between different habitats. However, the selection pressures leading to the repeated loss of lateral plates in freshwater are still not well understood. By genotyping 838 individuals from 9 independently colonized lakes and 1 marine population in Iceland, we found 1) that only in some lakes are phenotypes associated with the expected genotype and 2) that the independent repeated occurrence of a rarely described plate phenotype is expressed in the absence of an allele that is usually associated with this phenotype. This suggests that either other genes such as modifiers might be under divergent selection between lakes or that lateral plate expression in these populations is restricted due to environmental constraints. Text Iceland HighWire Press (Stanford University) Journal of Heredity 103 4 579 584 |
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HighWire Press (Stanford University) |
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fthighwire |
language |
English |
topic |
Brief Communication |
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Brief Communication Lucek, Kay Haesler, Marcel Philipp Sivasundar, Arjun When Phenotypes Do Not Match Genotypes--Unexpected Phenotypic Diversity and Potential Environmental Constraints in Icelandic Stickleback |
topic_facet |
Brief Communication |
description |
Divergent lateral plate phenotypes in stickleback represent one of only a few cases known, where a single gene underlies the phenotype under divergent selection between different habitats. However, the selection pressures leading to the repeated loss of lateral plates in freshwater are still not well understood. By genotyping 838 individuals from 9 independently colonized lakes and 1 marine population in Iceland, we found 1) that only in some lakes are phenotypes associated with the expected genotype and 2) that the independent repeated occurrence of a rarely described plate phenotype is expressed in the absence of an allele that is usually associated with this phenotype. This suggests that either other genes such as modifiers might be under divergent selection between lakes or that lateral plate expression in these populations is restricted due to environmental constraints. |
format |
Text |
author |
Lucek, Kay Haesler, Marcel Philipp Sivasundar, Arjun |
author_facet |
Lucek, Kay Haesler, Marcel Philipp Sivasundar, Arjun |
author_sort |
Lucek, Kay |
title |
When Phenotypes Do Not Match Genotypes--Unexpected Phenotypic Diversity and Potential Environmental Constraints in Icelandic Stickleback |
title_short |
When Phenotypes Do Not Match Genotypes--Unexpected Phenotypic Diversity and Potential Environmental Constraints in Icelandic Stickleback |
title_full |
When Phenotypes Do Not Match Genotypes--Unexpected Phenotypic Diversity and Potential Environmental Constraints in Icelandic Stickleback |
title_fullStr |
When Phenotypes Do Not Match Genotypes--Unexpected Phenotypic Diversity and Potential Environmental Constraints in Icelandic Stickleback |
title_full_unstemmed |
When Phenotypes Do Not Match Genotypes--Unexpected Phenotypic Diversity and Potential Environmental Constraints in Icelandic Stickleback |
title_sort |
when phenotypes do not match genotypes--unexpected phenotypic diversity and potential environmental constraints in icelandic stickleback |
publisher |
Oxford University Press |
publishDate |
2012 |
url |
http://jhered.oxfordjournals.org/cgi/content/short/103/4/579 https://doi.org/10.1093/jhered/ess021 |
genre |
Iceland |
genre_facet |
Iceland |
op_relation |
http://jhered.oxfordjournals.org/cgi/content/short/103/4/579 http://dx.doi.org/10.1093/jhered/ess021 |
op_rights |
Copyright (C) 2012, American Genetic Association |
op_doi |
https://doi.org/10.1093/jhered/ess021 |
container_title |
Journal of Heredity |
container_volume |
103 |
container_issue |
4 |
container_start_page |
579 |
op_container_end_page |
584 |
_version_ |
1766039558302990336 |