Phylogeny of benthic Phyllodocidae (Polychaeta) based on morphological and molecular data.

Phylogeny of benthic Phyllodocidae (Polychaeta) based on morphological and molecular data. Research Abstract Details 

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Phylogeny of benthic Phyllodocidae (Polychaeta) based on morphological and molecular data. Abstract Text:

Jenny ,Fredrik Pleijel,Per Sundberg,

A combined molecular (18S rDNA, 28S rDNA, 16S rDNA and COI) and morphological analysis of the benthic phyllodocids is presented for the first time. Nineteen phyllodocids and two outgroup taxa are assessed using parsimony, maximum likelihood and Bayesian analyses. We demonstrate high degrees in homoplasy in the traditionally used morphological phyllodocid characters, and show that all the three current subfamilies Phyllodocinae, Eteoninae and Notophyllinae are non-monophyletic. The genera Eulalia, Eumida, Protomystides, Pseudomystides, Pterocirrus and Sige form a well-supported group, as does Mystides and Nereiphylla. Another clade with strong support includes Eteone and Paranaitis, although with Eteone nested within a paraphyletic Paranaitis. The relationship between these two taxa indicate that the unusual arrangement of modified cirri on the first segments in Eteone is due to a fusion of segment 1 and 2 where the cirri of segment 1 have been reduced. Eulalia is non-monophyletic and should be split, minimally into two groups. Our results are ambiguous regarding the ancestral phyllodocid condition of absence-presence of median antenna or nuchal papilla and uniramous or biramous parapodia, but shows that the absence of cirri on segment 3 (previously an apomorphy, for e.g., Mystides, Pseudomystides and Hesionura) is maximally homoplastic.

Phylogeny of benthic Phyllodocidae (Polychaeta) based on morphological and molecular data. Publishing Authors By Initials

J ,F Pleijel,P Sundberg,

For similar investigative techniques: genetic techniques: sequence analysis: sequence analysis, dna research abstracts see: investigative techniques: genetic techniques: sequence analysis: sequence analysis, dna research

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Phylogeny of benthic Phyllodocidae (Polychaeta) based on morphological and molecular data. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Molecular phylogenetics and evolution

VOLUME: 45

Page Numbers: 261-71

Journal Abbreviation: Mol. Phylogenet. Evol.

ISSN: 1055-7903

DAY: 3

MONTH: 05

YEAR: 2007

Phylogeny of benthic Phyllodocidae (Polychaeta) based on morphological and molecular data. Information

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LANGUAGE: eng

NlmUniqueID: 9304400

Phylogeny of benthic Phyllodocidae (Polychaeta) based on morphological and molecular data. Keywords Mesh Terms:

KEYWORDS: Sequence Analysis, DNA

MESH TERMS: genetics

Chemical & Substance for Abstract: Phylogeny of benthic Phyllodocidae (Polychaeta) based on morphological and molecular data. Information

Substance Name: Electron Transport Complex IV

Registry Number: EC 1.9.3.1

Grant and Affiliation Information for Phylogeny of benthic Phyllodocidae (Polychaeta) based on morphological and molecular data.

AFFILIATION: Department of Zoology, University of Göteborg, P.O. Box 463, SE-405 30 Göteborg, Sweden. jenny.eklof@zool.gu.se

Country: United States

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MEDLINETA: Mol Phylogenet Evol

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