A reappraisal of the evolution of Asian snakehead fishes (Pisces, Channidae) using molecular data from multiple genes and fossil calibration

Adamson, Eleanor A. S.; Hurwood, David A.; Mather, Peter B.

doi:10.1016/j.ympev.2010.03.027

Cited by 55 publications

(66 citation statements)

References 53 publications

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“…The evolutionary relationships for Asian snakeheads fishes and their probable divergence times within the Channidae family were proposed by one study [2] based on phylogenetic analyses. In addition, a putative evolutionary pathway based on the karyotypes of some Channa species highlighted a parallel with Adamson’s data [25].…”

Section: Discussionmentioning

confidence: 99%

“…In the multi-locus molecular phylogeny proposed by [2], the same C . striata populations were sampled; whereas all other Channa species formed a single monophyletic group, the divergence among C .…”

Section: Discussionmentioning

confidence: 99%

“…Although Channa contains 26 exclusively Asian species, the extant 3 species of Parachanna are African. Molecular phylogenetic analysis estimated that both genera diverged between 40–49 Mya, whereas the Channidae family diverged from other Perciformes approximately 54 Mya [2]. …”

Section: Introductionmentioning

confidence: 99%

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Genomic Organization of Repetitive DNA Elements and Its Implications for the Chromosomal Evolution of Channid Fishes (Actinopterygii, Perciformes)

et al. 2015

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Channid fishes, commonly referred to as “snakeheads”, are currently very important in Asian fishery and aquaculture due to the substantial decline in natural populations because of overexploitation. A large degree of chromosomal variation has been found in this family, mainly through the use of conventional cytogenetic investigations. In this study, we analyzed the karyotype structure and the distribution of 7 repetitive DNA sequences in several Channa species from different Thailand river basins. The aim of this study was to investigate the chromosomal differentiation among species and populations to improve upon the knowledge of its biodiversity and evolutionary history. Rearrangements, such as pericentric inversions, fusions and polyploidization, appear to be important events during the karyotypic evolution of this genus, resulting in the chromosomal diversity observed among the distinct species and even among populations of the same species. In addition, such variability is also increased by the genomic dynamism of repetitive elements, particularly by the differential distribution and accumulation of rDNA sequences on chromosomes. This marked diversity is likely linked to the lifestyle of the snakehead fishes and their population fragmentation, as already identified for other fish species. The karyotypic features highlight the biodiversity of the channid fishes and justify a taxonomic revision of the genus Channa, as well as of the Channidae family as a whole, as some nominal species may actually constitute species complexes.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Genomic Organization of Repetitive DNA Elements and Its Implications for the Chromosomal Evolution of Channid Fishes (Actinopterygii, Perciformes)

et al. 2015

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“…Snakeheads are highly valued as food and are used in fisheries, aquaculture, and the life-food trade and can be found in most fishmarkets in SEA. Their taxonomy and systematic has been controversial in the past, the first molecular frameworks for channid phylogenetics were published based on mitochondrial genes [177] or combining mitochondrial and nuclear genes [178]. More recently, Serrao and colleagues [179] established a Channidae DNA barcode reference library based on 250 DNA barcodes sequences representing 25 species 5.…”

Section: Border Biosecurity and Invasive Speciesmentioning

confidence: 99%

DNA Barcoding Indonesian freshwater fishes: challenges and prospects

Hubert¹,

Kadarusman²,

Wibowo³

et al. 2015

DNA Barcodes

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With 1172 native species, the Indonesian ichthyofauna is among the world’s most speciose. Despite that the inventory of the Indonesian ichthyofauna started during the eighteen century, the numerous species descriptions during the last decades highlight that the taxonomic knowledge is still fragmentary. Meanwhile, the fast increase of anthropogenic perturbations during the last decades is posing serious threats to Indonesian biodiversity. Indonesia, however, is one of the major sources of export for the international ornamental trade and home of several species of high value in aquaculture. The development of new tools for species identification is urgently needed to improve the sustainability of the exploitation of the Indonesian ichthyofauna. With the aim to build comprehensive DNA barcode libraries, the co-authors have started a collective effort to DNA barcode all Indonesian freshwater fishes. The aims of this review are: (1) to produce an overview of the ichthyological researches conducted so far in Indonesia, (2) to present an updated checklist of the freshwater fishes reported to date from Indonesia’s inland waters, (3) to highlight the challenges associated with its conservation and management, (4) to present the benefits of developing comprehensive DNA barcode reference libraries for the conservation of the Indonesian ichthyofauna.

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“…Furthermore, studies based on molecular evidence from single genes and fossils of Channa sp. have suggested that the snakehead family split across India and Southeast Asia approximately 40-50 million years ago in the mid-Eocene period, taking into account that intra-specific divergence was observed within C. striatus approximately 8 million years ago at around the same time as the East Asian Monsoon, which developed in the late Miocene (Adamson et al, 2010).…”

Section: Discussionmentioning

confidence: 99%

PCR-RFLP analysis of mitochondrial DNA cytochrome b gene among Haruan (Channa striatus) in Malaysia

Rahim

Ismail

Alias

et al. 2012

Gene

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A reappraisal of the evolution of Asian snakehead fishes (Pisces, Channidae) using molecular data from multiple genes and fossil calibration

Cited by 55 publications

References 53 publications

Genomic Organization of Repetitive DNA Elements and Its Implications for the Chromosomal Evolution of Channid Fishes (Actinopterygii, Perciformes)

Genomic Organization of Repetitive DNA Elements and Its Implications for the Chromosomal Evolution of Channid Fishes (Actinopterygii, Perciformes)

DNA Barcoding Indonesian freshwater fishes: challenges and prospects

PCR-RFLP analysis of mitochondrial DNA cytochrome b gene among Haruan (Channa striatus) in Malaysia

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