Trematominae and Artedidraconinae: contrasted mitogenome evolution for two Antarctic radiations
editorial reviewed Cellular respiration has been widely studied in Antarctic teleost fishes because of their peculiar adaptations to an extreme environment. In parallel mitochondrial sequence markers have become highly popular for molecular systematics. However, there are few whole mitochondrial gen...
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ftorbi:oai:orbi.ulg.ac.be:2268/212885 2024-04-21T07:51:50+00:00 Trematominae and Artedidraconinae: contrasted mitogenome evolution for two Antarctic radiations Dettai, Agnes Auvinet, Juliette Frederich, Bruno Christiansen, Henrik Aboubakari, Najda Bonillo, Céline Higuet, Dominique FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège MARE - Centre Interfacultaire de Recherches en Océanologie - ULiège 2017-07-10 https://orbi.uliege.be/handle/2268/212885 en eng https://orbi.uliege.be/handle/2268/212885 info:hdl:2268/212885 12th SCAR Biology Symposium, Leuven, Belgium [BE], du 10 juillet 2017 au 14 juillet 2017 ice fishes evolution mitogenome Trematominae Notothenioidei Life sciences Genetics & genetic processes Sciences du vivant Génétique & processus génétiques conference paper not in proceedings http://purl.org/coar/resource_type/c_18cp info:eu-repo/semantics/conferencePaper editorial reviewed 2017 ftorbi 2024-03-27T14:58:20Z editorial reviewed Cellular respiration has been widely studied in Antarctic teleost fishes because of their peculiar adaptations to an extreme environment. In parallel mitochondrial sequence markers have become highly popular for molecular systematics. However, there are few whole mitochondrial genome sequences published, and none available for some of the subfamilies. Here, we present two large mitogenome datasets including most species and multiple sequences for many species of two subfamilies, Trematominae and Artedidraconinae (Duhamel et al. 2014). These include two highly diverse but very different adaptative radiations, with contrasting divergence dates, morphological polymorphism, and habitat dominance. The sampling is based on a well identified, extensive collection resulting from the 2008 CEAMARC survey and the subsequent REVOLTA surveys in Terre Adélie (IPEV), already DNA barcoded and sequenced in previous studies. The mitogenome sequences for these two subfamilies differ in composition, gene order, and relative divergence of mitochondrial markers, with strong, taxon-specific biases like very high C contents in some regions. The gene order change provides a synapomorphy for the subfamily Trematominae and an interesting development in teleost mitogenomes. The complete Artedidraconinae mitogenomes provide a much higher amount of variable sites (approx*30), while previous sequence datasets were plagued by low informativeness (Lecointre et al. 2011). As already established on single mitochondrial genes, intraspecific variability is lower than interspecific variability within each subfamily, however interspecific variability in Artedidraconinae is lower or similar to intraspecific variability in Trematominae. This expanded dataset confirms the unusual evolution of the mitochondrial coded sequences involved in the cellular respiration in Antarctic Nototheniidae, as well as the usefulness of complete mitochondrial genomes for their systematics. The two level multiplexing (Timmermans et al. 2010) and next ... Conference Object Antarc* Antarctic University of Liège: ORBi (Open Repository and Bibliography) |
institution |
Open Polar |
collection |
University of Liège: ORBi (Open Repository and Bibliography) |
op_collection_id |
ftorbi |
language |
English |
topic |
ice fishes evolution mitogenome Trematominae Notothenioidei Life sciences Genetics & genetic processes Sciences du vivant Génétique & processus génétiques |
spellingShingle |
ice fishes evolution mitogenome Trematominae Notothenioidei Life sciences Genetics & genetic processes Sciences du vivant Génétique & processus génétiques Dettai, Agnes Auvinet, Juliette Frederich, Bruno Christiansen, Henrik Aboubakari, Najda Bonillo, Céline Higuet, Dominique Trematominae and Artedidraconinae: contrasted mitogenome evolution for two Antarctic radiations |
topic_facet |
ice fishes evolution mitogenome Trematominae Notothenioidei Life sciences Genetics & genetic processes Sciences du vivant Génétique & processus génétiques |
description |
editorial reviewed Cellular respiration has been widely studied in Antarctic teleost fishes because of their peculiar adaptations to an extreme environment. In parallel mitochondrial sequence markers have become highly popular for molecular systematics. However, there are few whole mitochondrial genome sequences published, and none available for some of the subfamilies. Here, we present two large mitogenome datasets including most species and multiple sequences for many species of two subfamilies, Trematominae and Artedidraconinae (Duhamel et al. 2014). These include two highly diverse but very different adaptative radiations, with contrasting divergence dates, morphological polymorphism, and habitat dominance. The sampling is based on a well identified, extensive collection resulting from the 2008 CEAMARC survey and the subsequent REVOLTA surveys in Terre Adélie (IPEV), already DNA barcoded and sequenced in previous studies. The mitogenome sequences for these two subfamilies differ in composition, gene order, and relative divergence of mitochondrial markers, with strong, taxon-specific biases like very high C contents in some regions. The gene order change provides a synapomorphy for the subfamily Trematominae and an interesting development in teleost mitogenomes. The complete Artedidraconinae mitogenomes provide a much higher amount of variable sites (approx*30), while previous sequence datasets were plagued by low informativeness (Lecointre et al. 2011). As already established on single mitochondrial genes, intraspecific variability is lower than interspecific variability within each subfamily, however interspecific variability in Artedidraconinae is lower or similar to intraspecific variability in Trematominae. This expanded dataset confirms the unusual evolution of the mitochondrial coded sequences involved in the cellular respiration in Antarctic Nototheniidae, as well as the usefulness of complete mitochondrial genomes for their systematics. The two level multiplexing (Timmermans et al. 2010) and next ... |
author2 |
FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège MARE - Centre Interfacultaire de Recherches en Océanologie - ULiège |
format |
Conference Object |
author |
Dettai, Agnes Auvinet, Juliette Frederich, Bruno Christiansen, Henrik Aboubakari, Najda Bonillo, Céline Higuet, Dominique |
author_facet |
Dettai, Agnes Auvinet, Juliette Frederich, Bruno Christiansen, Henrik Aboubakari, Najda Bonillo, Céline Higuet, Dominique |
author_sort |
Dettai, Agnes |
title |
Trematominae and Artedidraconinae: contrasted mitogenome evolution for two Antarctic radiations |
title_short |
Trematominae and Artedidraconinae: contrasted mitogenome evolution for two Antarctic radiations |
title_full |
Trematominae and Artedidraconinae: contrasted mitogenome evolution for two Antarctic radiations |
title_fullStr |
Trematominae and Artedidraconinae: contrasted mitogenome evolution for two Antarctic radiations |
title_full_unstemmed |
Trematominae and Artedidraconinae: contrasted mitogenome evolution for two Antarctic radiations |
title_sort |
trematominae and artedidraconinae: contrasted mitogenome evolution for two antarctic radiations |
publishDate |
2017 |
url |
https://orbi.uliege.be/handle/2268/212885 |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
12th SCAR Biology Symposium, Leuven, Belgium [BE], du 10 juillet 2017 au 14 juillet 2017 |
op_relation |
https://orbi.uliege.be/handle/2268/212885 info:hdl:2268/212885 |
_version_ |
1796935129271107584 |