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Author |
Dettai A, Lautredou A C, Bonillo C, Goimbault E, Busson F, Causse R, Couloux A, Cruaud C, Duhamel G, Denys G, |
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Title |
The actinopterygian diversity of the CEAMARC cruises: Barcoding and molecular taxonomy as a multi-level tool for new findings
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Type |
Journal Article |
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Year  |
2011 |
Publication |
Deep Sea Research Part II: Topical Studies in Oceanography |
Abbreviated Journal |
Deep Sea Res. Part II Top. Stud. Oceanogr. |
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Volume |
58 |
Issue |
1-2 |
Pages |
250 -263 |
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Keywords |
antarctic zone, barcode, dumont d urville sea, ichthyology, identification, molecular taxonomy, southern ocean, |
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Abstract |
In the winter 2007-2008, the CAML-CEAMARC cruises prospected in the Eastern part of the Antarctic continental shelf (Dumont d'Urville Sea, off Terre Ad lie). The Australian R/V “Aurora Australis” and the Japanese R/V “Umitaka Maru” sampled in locations and at depths previously uninvestigated in this region. In total, 538 teleost specimens collected during these cruises were sequenced for the mitochondrial cytochrome oxidase I gene (COI), with the goal of barcoding a representative sampling from the campaign. The efficiency of barcoding for identification has been questioned for some taxonomic groups, thus we compared the COI results for a few of the families and genera included here (genus Trematomus, Artedidraconidae, Liparidae) to results for other markers for the same specimens. To better explore intra- and interspecific variability, sequences from previous campaigns and public databases were added to the analysis for these groups. The congruence among the results for different genes (COI, cytochrome b, D-loop, and the nuclear rhodopsin retrogene) and morphological identification was used to assess the efficiency of the COI dataset at recovering species delimited using other data. Where discrepancies were present among the different data sources, a morphological re-identification was performed.
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1124 |
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Publisher |
Elsevier |
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ISSN |
0967-0645 |
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Approved |
yes |
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Call Number |
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Serial |
2497 |
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