DNA barcoding reveals a likely second species of Asian sea bass (barramundi) (<i>Lates calcarifer</i>)

Ward, Robert; Holmes, Bronwyn H.; Yearsley, Gordon K.

doi:10.1111/j.1095-8649.2007.01703.x

Cited by 75 publications

(63 citation statements)

References 13 publications

(6 reference statements)

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“…Ornelas-Garcia et al (2008), working with species of the genus Astyanax from Mesoamerica, found that some specimens formed separate clusters and suggested the occurrence of a species complex in this genus, assigning provisional names to each cluster obtained. Ward et al (2008), working with Asian sea bass Lates calcarifer specimens from different localities (Australia and Myanmar), found genetic distance values of 9.5% between two groups for COI (DNA barcode region) and 11.3% for cytochrome b.…”

Section: Discussionmentioning

confidence: 99%

“…Many species were discovered with the use of molecular data and some were formally described later (Smith et al 2005;Witt et al 2006;Kon et al 2007;Ward 2007;Nguyen and Seifert 2008;Ward et al 2008;Yassin et al 2008). The DNA barcode was also utilized as part of the validation and formal description of new fish species such as Coryphopterus kuna (Victor 2007); Urolophus kapalensis (Yearsley and Last 2006); Brachionichthys autralis (Last et al 2007); five new species of Chromis genus (Pyle et al 2008), Dipturus argentinensis (Diaz de Astarloa et al 2008) and Moenkhausia forestii (Benine et al 2009).…”

Section: Discussionmentioning

confidence: 99%

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DNA barcodes discriminate freshwater fishes from the Paraíba do Sul River Basin, São Paulo, Brazil

et al. 2011

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Background and aims: Considering the promising use of DNA barcoding for species identification, the importance of the freshwater fish fauna of the Paraíba do Sul River Basin, and its advanced stage of degradation, the present study evaluated the effectiveness of DNA barcoding to identify the fish species in this basin. Materials and methods: A total of 295 specimens representing 58 species belonging to 40 genera, 17 families, and 5 orders were sequenced. Results: The DNA barcodes discriminated all species analyzed without ambiguity. The results showed a pronounced difference between conspecific and congeneric pair-wise sequence comparisons, demonstrating the existence of a "barcode gap" for the species analyzed. The nearest-neighbor distance analysis showed only three cases with Kimura two-parameter values lower than a 2% divergence threshold. However, the patterns of divergence observed in each case remained sufficient to discriminate each species, revealing the accuracy of DNA barcoding even cases with relatively low genetic divergence. At the other extreme, three species displayed high genetic sequence divergence among conspecifics. For two cases, Characidium alipioi and Geophagus proximus, barcoding proved effective at flagging possible new species. For another case, Astyanax bimaculatus, the use of DNA barcoding of the comparison of shared freshwater fish fauna between different basins revealed itself as highly useful in disclosing that the previously identified A. bimaculatus "cluster A" probably represents the species Astyanax altiparanae. Conclusion: The present study is among the first to assess the efficiency of barcoding for the Brazilian freshwater fishes. The results demonstrate the utility of barcoding to identify the fauna from this basin, contribute to an enhanced understanding of the differentiation among species, and to help flag the presence of overlooked species.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

DNA barcodes discriminate freshwater fishes from the Paraíba do Sul River Basin, São Paulo, Brazil

et al. 2011

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“…Indeed, some recent studies have shown that many widely distributed species are actually cases of cryptic species complexes which had gone unrecognized [18][19][20][21][22][23].…”

Section: Extraction Pcr and Sequencingmentioning

confidence: 99%

Knodus moenkhausii (Characiformes: Characidae): one fish species, three hydrographic basins - a natural or anthropogenic phenomenon?

Souza¹,

Oliveira²,

Pereira³

2015

DNA Barcodes

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We used the DNA barcoding technique (COI and CytB markers) combined with GMYC analysis to characterize the genetics of the widely distributed Neotropical fish species Knodus moenkhausii from three different isolated hydrographic basins. Despite the fact that most of the Neotropical hydrographic basins have been isolated for millions of years, species could be shared between basins due to natural events (stream capture) or anthropogenic activities. Recent surveys, however, have shown that many widely distributed species are actually species complexes divided into previously unrecognized cryptic species. In this study, we tested the hypothesis that K. moenkhausii from three hydrographic basins represent a single panmictic species and discuss the most likely explanation of its present geographical distribution. The GMYC analysis revealed that all specimens of K. moenkhausii represent a single species: the intra- and intergroup minimum K2P genetic distances for both genes were zero and haplotypes were shared among the three hydrographic basins. This suggests there has been recent interchange of K. moenkhausii throughout the three hydrographic basins. It is likely that this is due to recent human activities, either the transposition of natural barriers or intentional introduction or accidental escape due to the ornamental fish trade.

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“… Identifying endangered and protected species (Ward et al, 2008)  Identifying historical and museum material (Meusnier et al, 2008)  Identifying new and cryptic species and possible fusions of existing taxa, and insight into phylogenetic relationships (Pyle et al, 2008)  The development of a reference library for known species (Ratnasingham & Hebert, 2007) Fishes are the most diversified group of vertebrates; at present, there are about 30,000 known species, including 15,758 (53.3%) marine species, 13,779 (46.4%) freshwater species and 86 (0.3%) brackish species (Ward et al, 2005). By September 2011, DNA barcodes were obtained from 8,293 species (27%) in the world, and from 503 species (25%) in Europe (http://www.fishbol.org/progress.php).…”

Section: Global Progression Of Dna Barcodingmentioning

confidence: 99%

Molecular Biodiversity Inventory of the Ichthyofauna of the Czech Republic

Mendel¹,

Papoušek²,

Marešová³

et al. 2012

Analysis of Genetic Variation in Animals

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DNA barcoding reveals a likely second species of Asian sea bass (barramundi) (Lates calcarifer)

Cited by 75 publications

References 13 publications

DNA barcodes discriminate freshwater fishes from the Paraíba do Sul River Basin, São Paulo, Brazil

DNA barcodes discriminate freshwater fishes from the Paraíba do Sul River Basin, São Paulo, Brazil

Knodus moenkhausii (Characiformes: Characidae): one fish species, three hydrographic basins - a natural or anthropogenic phenomenon?

Molecular Biodiversity Inventory of the Ichthyofauna of the Czech Republic

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