Genetic and epigenetic studies on populations of Deschampsia antarctica Desv. from contrasting environments on King George Island
Genetic and epigenetic studies on populations of Deschampsia antarctica Desv. from contrasting environments on King George Island Populations of Antarctic hairgrass Deschampsia antarctica Desv. from King George Island exhibit variation in many traits. The reason for that is not evident and could be...
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Walter de Gruyter GmbH
2011
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crdegruyter:10.2478/v10183-011-0005-9 2023-05-15T14:10:15+02:00 Genetic and epigenetic studies on populations of Deschampsia antarctica Desv. from contrasting environments on King George Island Chwedorzewska, Katarzyna Bednarek, Piotr 2011 http://dx.doi.org/10.2478/v10183-011-0005-9 http://content.sciendo.com/view/journals/popore/32/1/article-p15.xml https://www.degruyter.com/view/j/popore.2011.32.issue-1/v10183-011-0005-9/v10183-011-0005-9.pdf unknown Walter de Gruyter GmbH Polish Polar Research volume 32, issue 1, page 15-26 ISSN 2081-8262 0138-0338 Ecology Ecology, Evolution, Behavior and Systematics journal-article 2011 crdegruyter https://doi.org/10.2478/v10183-011-0005-9 2022-05-11T14:47:21Z Genetic and epigenetic studies on populations of Deschampsia antarctica Desv. from contrasting environments on King George Island Populations of Antarctic hairgrass Deschampsia antarctica Desv. from King George Island exhibit variation in many traits. The reason for that is not evident and could be addressed to variable environmental conditions. Obviously, phenotypic variation could be due to stable or temporal changes in expression pattern as the result of adaptation. Stable changes could be due to mutations or site DNA methylation variation that modified expression pattern. Recently, MetAFLP approach was proposed to study such effects. A variant of methylation sensitive AFLP (Amplified Fragment Length Polymorphism), based on the isoschizomeric combinations Acc65 I/ Mse I and Kpn I/ Mse I was applied to analyze the sequence and site DNA methylation differences between two D. antarctica populations exhibiting morphological dissimilarities. Both DNA sequence mutations and site methylation pattern alternations were detected among and within analyzed populations. It is assumed that such changes might have originated as the response to environmental conditions that induced site methylation alternations leading to phenotypic variation of D. antarctica populations from South Shetland Islands. Article in Journal/Newspaper Antarc* Antarctic Antarctica King George Island Polar Research South Shetland Islands De Gruyter (via Crossref) Antarctic King George Island South Shetland Islands Polish Polar Research 32 1 15 26 |
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Open Polar |
collection |
De Gruyter (via Crossref) |
op_collection_id |
crdegruyter |
language |
unknown |
topic |
Ecology Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Ecology Ecology, Evolution, Behavior and Systematics Chwedorzewska, Katarzyna Bednarek, Piotr Genetic and epigenetic studies on populations of Deschampsia antarctica Desv. from contrasting environments on King George Island |
topic_facet |
Ecology Ecology, Evolution, Behavior and Systematics |
description |
Genetic and epigenetic studies on populations of Deschampsia antarctica Desv. from contrasting environments on King George Island Populations of Antarctic hairgrass Deschampsia antarctica Desv. from King George Island exhibit variation in many traits. The reason for that is not evident and could be addressed to variable environmental conditions. Obviously, phenotypic variation could be due to stable or temporal changes in expression pattern as the result of adaptation. Stable changes could be due to mutations or site DNA methylation variation that modified expression pattern. Recently, MetAFLP approach was proposed to study such effects. A variant of methylation sensitive AFLP (Amplified Fragment Length Polymorphism), based on the isoschizomeric combinations Acc65 I/ Mse I and Kpn I/ Mse I was applied to analyze the sequence and site DNA methylation differences between two D. antarctica populations exhibiting morphological dissimilarities. Both DNA sequence mutations and site methylation pattern alternations were detected among and within analyzed populations. It is assumed that such changes might have originated as the response to environmental conditions that induced site methylation alternations leading to phenotypic variation of D. antarctica populations from South Shetland Islands. |
format |
Article in Journal/Newspaper |
author |
Chwedorzewska, Katarzyna Bednarek, Piotr |
author_facet |
Chwedorzewska, Katarzyna Bednarek, Piotr |
author_sort |
Chwedorzewska, Katarzyna |
title |
Genetic and epigenetic studies on populations of Deschampsia antarctica Desv. from contrasting environments on King George Island |
title_short |
Genetic and epigenetic studies on populations of Deschampsia antarctica Desv. from contrasting environments on King George Island |
title_full |
Genetic and epigenetic studies on populations of Deschampsia antarctica Desv. from contrasting environments on King George Island |
title_fullStr |
Genetic and epigenetic studies on populations of Deschampsia antarctica Desv. from contrasting environments on King George Island |
title_full_unstemmed |
Genetic and epigenetic studies on populations of Deschampsia antarctica Desv. from contrasting environments on King George Island |
title_sort |
genetic and epigenetic studies on populations of deschampsia antarctica desv. from contrasting environments on king george island |
publisher |
Walter de Gruyter GmbH |
publishDate |
2011 |
url |
http://dx.doi.org/10.2478/v10183-011-0005-9 http://content.sciendo.com/view/journals/popore/32/1/article-p15.xml https://www.degruyter.com/view/j/popore.2011.32.issue-1/v10183-011-0005-9/v10183-011-0005-9.pdf |
geographic |
Antarctic King George Island South Shetland Islands |
geographic_facet |
Antarctic King George Island South Shetland Islands |
genre |
Antarc* Antarctic Antarctica King George Island Polar Research South Shetland Islands |
genre_facet |
Antarc* Antarctic Antarctica King George Island Polar Research South Shetland Islands |
op_source |
Polish Polar Research volume 32, issue 1, page 15-26 ISSN 2081-8262 0138-0338 |
op_doi |
https://doi.org/10.2478/v10183-011-0005-9 |
container_title |
Polish Polar Research |
container_volume |
32 |
container_issue |
1 |
container_start_page |
15 |
op_container_end_page |
26 |
_version_ |
1766282304431325184 |