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DNA-based phylogeny...
DNA-based phylogeny of the marine genus Heterodrilus (Annelida, Clitellata, Naididae) : Phylogeny of the clitellate genus Heterodrilus
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Mejlon, Erica (författare)
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- De Wit, Pierre, 1978 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences
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- Matamoros, Lisa, 1979 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences
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- Erséus, Christer, 1951 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences
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(creator_code:org_t)
- 2015-02-17
- 2015
- Engelska.
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Ingår i: Journal of Zoological Systematics and Evolutionary Research. - : Hindawi Limited. - 0947-5745. ; 53:3, s. 194-199
- Relaterad länk:
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https://gup.ub.gu.se... (primary) (free)
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Heterodrilus is a group of marine Naididae, common worldwide in subtropical and tropical areas, and unique among the oligochaetes by their triden- tate chaetae. The phylogenetic relationships within the group are assessed from the nuclear 18S rDNA gene, and the mitochondrial cytochrome c oxi- dase subunit I (COI) and 16S rDNA genes. Sequence data were obtained from 16 Heterodrilus species and 13 out-group taxa; 48 sequences are new for this study. The data were analysed by Bayesian inference. Monophyly of the genus is corroborated by the resulting tree, with Heterodrilus ersei (a taxon representing a small group of species with aberrant male genitalia) proposed to be outside all other sampled species. Although earlier regarded as a member of the subfamily Rhyacodrilinae, both molecular and morphological data seem to support that Heterodrilus is closely related to Phallodril- inae. However, the results are not conclusive as to whether the genus is the sister group of, or a group nested inside, or separate from this latter sub- family. The studied sample of species suggests at least two major clades in Heterodrilus with different geographical distributions, in one of the clades, most species are from the Indo-West Pacific Ocean, while in the other, the majority are from the Western Atlantic Ocean. Morphological characters traditionally used in Heterodrilus taxonomy are optimized on the phylogenetic tree, revealing a high degree of homoplasy.
Ämnesord
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
Nyckelord
- 16S rDNA gene
- 18S rDNA gene
- Cytochrome c oxidase subunit I
- Heterodrilus
- phylogeny
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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