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Molecular evolution and the incorporation of site-to-site rate variation in distance tree construction methods
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| Abstract |
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| The construction of evolutionary trees based on sequence data is not self-evident Apart from the plethora of methods and software tools to choose from if one wants to infer phylogenetic tree topologies, one has also to be cautious about the sequence data themselves. In this paper, we discuss how systematic errors can be introduced by one of the phenomena that often characterize sequence data, i.e. differences in substitution rates among the different sites of the molecule. Regarding painwise distance methods, these systematic errors can often be avoided if an appropriate substitution model is applied to the construction of phylogenetic trees. This is demonstrated for a phylogeny based on animal small subunit ribosomal RNA sequences. |
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| Language |
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English
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| Source (journal) |
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Belgian journal of zoology / Koninklijke Belgische Vereniging voor Dierkunde. - Brussel, 1990, currens | |
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5th Benelux Congress of Zoology, NOV 06-07, 1998, GHENT, BELGIUM | |
| Publication |
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Brussel : 1999
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| ISSN |
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0777-6276 [print]
2295-0451 [online]
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| Volume/pages |
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129:1(1999), p. 5-15
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| ISI |
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000079069100002
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