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Mitochondrial evidence on the phylogenetic position of Caecilians (Amphibia Gymnophiona)

Mitochondrial evidence on the phylogenetic position of Caecilians (Amphibia Gymnophiona)


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ZARDOYA, Rafael, Axel MEYER, 2000. Mitochondrial evidence on the phylogenetic position of Caecilians (Amphibia Gymnophiona). In: Genetics. 155, pp. 765-775

@article{Zardoya2000Mitoc-8775, title={Mitochondrial evidence on the phylogenetic position of Caecilians (Amphibia Gymnophiona)}, year={2000}, volume={155}, journal={Genetics}, pages={765--775}, author={Zardoya, Rafael and Meyer, Axel} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/8775"> <dcterms:title>Mitochondrial evidence on the phylogenetic position of Caecilians (Amphibia Gymnophiona)</dcterms:title> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/8775"/> <dcterms:issued>2000</dcterms:issued> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:46:21Z</dc:date> <dc:language>eng</dc:language> <dc:creator>Meyer, Axel</dc:creator> <dc:rights>deposit-license</dc:rights> <dc:format>application/pdf</dc:format> <dcterms:abstract xml:lang="eng">The complete nucleotide sequence (17,005 bp) of the mitochondrial genome of the caecilian Typhlonectes natans (Gymnophiona, Amphibia) was determined. This molecule is characterized by two distinctive genomic features: there are seven large 109-bp tandem repeats in the control region, and the sequence for the putative origin of replication of the L strand can potentially fold into two alternative secondary structures (one including part of the tRNACys). The new sequence data were used to assess the phylogenetic position of caecilians and to gain insights into the origin of living amphibians (frogs, salamanders, and caecilians). Phylogenetic analyses of two data sets one combining protein coding genes and the other combining tRNA genes strongly supported a caecilian 1 frog clade and, hence, monophyly of modern amphibians. These two data sets could not further resolve relationships among the coelacanth, lungfishes, and tetrapods, but strongly supported diapsid affinities of turtles. Phylogenetic relationships among a larger set of species of frogs, salamanders, and caecilians were estimated with a mitochondrial rRNA data set. Maximum parsimony analysis of this latter data set also recovered monophyly of living amphibians and favored a frog 1 salamander (Batrachia) relationship. However, bootstrap support was only moderate at these nodes. This is likely due to an extensive among-site rate heterogeneity in the rRNA data set and the narrow window of time in which the three main groups of living amphibians were originated.</dcterms:abstract> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:46:21Z</dcterms:available> <dc:contributor>Zardoya, Rafael</dc:contributor> <dcterms:bibliographicCitation>First publ. in: Genetics 155 (2000), pp. 765 775</dcterms:bibliographicCitation> <dcterms:rights rdf:resource="https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode"/> <dc:contributor>Meyer, Axel</dc:contributor> <dc:creator>Zardoya, Rafael</dc:creator> </rdf:Description> </rdf:RDF>

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