DNA barcoding reveals both cryptic as true circumpolar species in Antarctic Lysianassoidea (Amphipoda)
Recent molecular analyses revealed that many so called “circum-Antarctic†benthic crustacean species appeared to be a complex of cryptic species with restricted distributions. In this study we used DNA barcoding to detect possible cryptic diversity and to test the circumpolarity of species belong...
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2009
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ftunistlouisbrus:oai:dial.uclouvain.be:boreal:121207 2024-05-12T07:55:59+00:00 DNA barcoding reveals both cryptic as true circumpolar species in Antarctic Lysianassoidea (Amphipoda) Havermans, Charlotte Nagy, Zoltán T. Sonet, Gontran De Broyer, Claude Martin, Patrick VLIZ Young Scientists’ Day UCL - Autre 2009 http://hdl.handle.net/2078/121207 en eng Vlaams Instituut voor de Zee boreal:121207 http://hdl.handle.net/2078/121207 info:eu-repo/semantics/conferenceObject 2009 ftunistlouisbrus 2024-04-18T18:02:39Z Recent molecular analyses revealed that many so called “circum-Antarctic†benthic crustacean species appeared to be a complex of cryptic species with restricted distributions. In this study we used DNA barcoding to detect possible cryptic diversity and to test the circumpolarity of species belonging to the amphipod genus Orchomene s. lat. (superfamily Lysianassoidea). The analysis of mitochondrial cytochrome c oxidase I sequences indicated (1) a genetic homogeneity among specimens from remote sampling sites in some species and (2) genetically divergent, cryptic taxa in other species. In addition, the DNA barcoding served as a quick survey for species diversity and enabled us to detect new species within the Orchomene complex. The results were confirmed by further analyses based on 28S rRNA sequences. The detection of cryptic species may modify our current views on the species richness and distributions in the Antarctic Lysianassoidea, the most abundant amphipod group in the Southern Ocean. As polar regions are more affected by climate change than others, research activities leading to biodiversity inventories are of particular importance. This may serve as a basis for monitoring and conservational efforts. In this context, DNA barcoding is a rapid and effective tool. Conference Object Antarc* Antarctic Southern Ocean DIAL@USL-B (Université Saint-Louis, Bruxelles) Antarctic Southern Ocean The Antarctic |
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DIAL@USL-B (Université Saint-Louis, Bruxelles) |
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ftunistlouisbrus |
language |
English |
description |
Recent molecular analyses revealed that many so called “circum-Antarctic†benthic crustacean species appeared to be a complex of cryptic species with restricted distributions. In this study we used DNA barcoding to detect possible cryptic diversity and to test the circumpolarity of species belonging to the amphipod genus Orchomene s. lat. (superfamily Lysianassoidea). The analysis of mitochondrial cytochrome c oxidase I sequences indicated (1) a genetic homogeneity among specimens from remote sampling sites in some species and (2) genetically divergent, cryptic taxa in other species. In addition, the DNA barcoding served as a quick survey for species diversity and enabled us to detect new species within the Orchomene complex. The results were confirmed by further analyses based on 28S rRNA sequences. The detection of cryptic species may modify our current views on the species richness and distributions in the Antarctic Lysianassoidea, the most abundant amphipod group in the Southern Ocean. As polar regions are more affected by climate change than others, research activities leading to biodiversity inventories are of particular importance. This may serve as a basis for monitoring and conservational efforts. In this context, DNA barcoding is a rapid and effective tool. |
author2 |
UCL - Autre |
format |
Conference Object |
author |
Havermans, Charlotte Nagy, Zoltán T. Sonet, Gontran De Broyer, Claude Martin, Patrick VLIZ Young Scientists’ Day |
spellingShingle |
Havermans, Charlotte Nagy, Zoltán T. Sonet, Gontran De Broyer, Claude Martin, Patrick VLIZ Young Scientists’ Day DNA barcoding reveals both cryptic as true circumpolar species in Antarctic Lysianassoidea (Amphipoda) |
author_facet |
Havermans, Charlotte Nagy, Zoltán T. Sonet, Gontran De Broyer, Claude Martin, Patrick VLIZ Young Scientists’ Day |
author_sort |
Havermans, Charlotte |
title |
DNA barcoding reveals both cryptic as true circumpolar species in Antarctic Lysianassoidea (Amphipoda) |
title_short |
DNA barcoding reveals both cryptic as true circumpolar species in Antarctic Lysianassoidea (Amphipoda) |
title_full |
DNA barcoding reveals both cryptic as true circumpolar species in Antarctic Lysianassoidea (Amphipoda) |
title_fullStr |
DNA barcoding reveals both cryptic as true circumpolar species in Antarctic Lysianassoidea (Amphipoda) |
title_full_unstemmed |
DNA barcoding reveals both cryptic as true circumpolar species in Antarctic Lysianassoidea (Amphipoda) |
title_sort |
dna barcoding reveals both cryptic as true circumpolar species in antarctic lysianassoidea (amphipoda) |
publisher |
Vlaams Instituut voor de Zee |
publishDate |
2009 |
url |
http://hdl.handle.net/2078/121207 |
geographic |
Antarctic Southern Ocean The Antarctic |
geographic_facet |
Antarctic Southern Ocean The Antarctic |
genre |
Antarc* Antarctic Southern Ocean |
genre_facet |
Antarc* Antarctic Southern Ocean |
op_relation |
boreal:121207 http://hdl.handle.net/2078/121207 |
_version_ |
1798835883809439744 |