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Comparative phylogenetic analyses of the adaptive radiation of Lake Anganyika Cichlid Fish : nuclear sequences are less homoplasious but also less informative than mitochondrial DNA

Comparative phylogenetic analyses of the adaptive radiation of Lake Anganyika Cichlid Fish : nuclear sequences are less homoplasious but also less informative than mitochondrial DNA

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CLABAUT, Céline, Walter SALZBURGER, Axel MEYER, 2005. Comparative phylogenetic analyses of the adaptive radiation of Lake Anganyika Cichlid Fish : nuclear sequences are less homoplasious but also less informative than mitochondrial DNA. In: Journal of Molecular Evolution. 61(5), pp. 666-681. ISSN 0022-2844. eISSN 1432-1432

@article{Clabaut2005Compa-7826, title={Comparative phylogenetic analyses of the adaptive radiation of Lake Anganyika Cichlid Fish : nuclear sequences are less homoplasious but also less informative than mitochondrial DNA}, year={2005}, doi={10.1007/s00239-004-0217-2}, number={5}, volume={61}, issn={0022-2844}, journal={Journal of Molecular Evolution}, pages={666--681}, author={Clabaut, Céline and Salzburger, Walter 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/123456789/7826"> <dcterms:rights rdf:resource="https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode"/> <dc:creator>Salzburger, Walter</dc:creator> <dc:contributor>Salzburger, Walter</dc:contributor> <dcterms:bibliographicCitation>First publ. in: Journal of Molecular Evolution 61 (2005), pp. 666 681</dcterms:bibliographicCitation> <dcterms:issued>2005</dcterms:issued> <dcterms:abstract xml:lang="eng">Over 200 described endemic species make up the adaptive radiation of cichlids in Lake Tanganyika. This species assemblage has been viewed as both an evolutionary reservoir of old cichlid lineages and an evolutionary hotspot from which the modern cichlid lineages arose, seeding the adaptive radiations in Lakes Victoria and Malawi. Here we report on a phylogenetic analysis of Lake Tanganyika cichlids combining the previously determined sequences of the mitochondrial ND2 gene (1047 bp) with newly derived sequences of the nuclear RAG1 gene (~700 bp of intron 2 and ~1100 bp of exon 3). The nuclear data in agreement with mitochondrial DNA suggest that Lake Tanganyika harbors several ancient lineages that did not undergo rampant speciation (e.g., Bathybatini, Trematocarini). We find strong support for the monophyly of the most species-rich Tanganyikan group, the Lamprologini, and we propose a new taxonomic group that we term the Clineage. The Haplochromini and Tropheini both have an 11-bp deletion in the intron of RAG1, strongly supporting the monophyly of this clade and its derived position. Mapping the phylogenetically informative positions revealed that, for certain branches, there are six times fewer apomorphies in RAG1. However, the consistency index of these positions is higher compared to the mitochondrial ND2 gene. Nuclear data therefore provide, on a per base pair basis, less but more reliable phylogenetic information. Even if in our case RAG1 has not provided as much phylogenetic information as we expected, we suggest that this marker might be useful in the resolution of the phylogeny of older groups.</dcterms:abstract> <dc:language>eng</dc:language> <dc:contributor>Clabaut, Céline</dc:contributor> <dc:creator>Meyer, Axel</dc:creator> <dc:creator>Clabaut, Céline</dc:creator> <dc:contributor>Meyer, Axel</dc:contributor> <dc:rights>deposit-license</dc:rights> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:37:49Z</dc:date> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/7826"/> <dc:format>application/pdf</dc:format> <dcterms:title>Comparative phylogenetic analyses of the adaptive radiation of Lake Anganyika Cichlid Fish : nuclear sequences are less homoplasious but also less informative than mitochondrial DNA</dcterms:title> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:37:49Z</dcterms:available> </rdf:Description> </rdf:RDF>

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