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Forensic investigations into a GenBank anomaly: endangered taxa and the importance of voucher specimens in molecular studies

Forensic investigations into a GenBank anomaly: endangered taxa and the importance of voucher... Whole mitochondrial genome (mitogenome) sequences provide a powerful approach for investigating and hypothesizing relationships at a broad range of phylogenetic levels, and these data have been used extensively across the diversity of fishes. Mitogenome sequence studies have typically used an exemplar approach wherein one individual is sampled and sequenced. However, as more laboratories are producing these data, taxon sampling within clades, including within‐species sampling, is naturally increasing. There are currently eleven acipenserids with complete mitogenome sequences available for download and use from GenBank. Exploration of these sequences indicates that the mitogenome for Acipenser sinensis, the Chinese sturgeon, may either be incorrectly identified or the result of undocumented hybridization with A. gueldenstaedtii. Recently, new material with vouchered specimens has been collected and investigated with DNA sequence data from four mtDNA loci to test whether the published mitogenome of A. sinensis was recovered in the same clade with the new vouchered material. This example reinforces the need for voucher specimens and materials for genetic sequence data. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Ichthyology Wiley

Forensic investigations into a GenBank anomaly: endangered taxa and the importance of voucher specimens in molecular studies

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References (79)

Publisher
Wiley
Copyright
Copyright © 2014 Blackwell Verlag GmbH
ISSN
0175-8659
eISSN
1439-0426
DOI
10.1111/jai.12568
Publisher site
See Article on Publisher Site

Abstract

Whole mitochondrial genome (mitogenome) sequences provide a powerful approach for investigating and hypothesizing relationships at a broad range of phylogenetic levels, and these data have been used extensively across the diversity of fishes. Mitogenome sequence studies have typically used an exemplar approach wherein one individual is sampled and sequenced. However, as more laboratories are producing these data, taxon sampling within clades, including within‐species sampling, is naturally increasing. There are currently eleven acipenserids with complete mitogenome sequences available for download and use from GenBank. Exploration of these sequences indicates that the mitogenome for Acipenser sinensis, the Chinese sturgeon, may either be incorrectly identified or the result of undocumented hybridization with A. gueldenstaedtii. Recently, new material with vouchered specimens has been collected and investigated with DNA sequence data from four mtDNA loci to test whether the published mitogenome of A. sinensis was recovered in the same clade with the new vouchered material. This example reinforces the need for voucher specimens and materials for genetic sequence data.

Journal

Journal of Applied IchthyologyWiley

Published: Jan 1, 2014

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