A multi-locus time-calibrated phylogeny of the siphonous green algae
- Author
- Heroen Verbruggen (UGent) , M Ashworth, ST LoDuca, Caroline Vlaeminck (UGent) , Ellen Cocquyt (UGent) , T Sauvage, FW Zechman, DS Littler, MM Littler, Frédérik Leliaert (UGent) and Olivier De Clerck (UGent)
- Organization
- Abstract
- The siphonous green algae are an assemblage of seaweeds that consist of a single giant cell. They comprise two sister orders, the Bryopsidales and Dasycladales. We infer the phylogenetic relationships among the siphonous green algae based on a five-locus data matrix and analyze temporal aspects of their diversification using relaxed molecular clock methods calibrated with the fossil record. The multi-locus approach resolves much of the previous phylogenetic uncertainty, but the radiation of families belonging to the core Halimedineae remains unresolved. In the Bryopsidales, three main clades were inferred, two of which correspond to previously described suborders (Bryopsidineae and Halimedineae) and a third lineage that contains only the limestone-boring genus Ostreobium. Relaxed molecular clock models indicate a Neoproterozoic origin of the siphonous green algae and a Paleozoic diversification of the orders into their families. The inferred node ages are used to resolve conflicting hypotheses about species ages in the tropical marine alga Halimeda.
- Keywords
- MAXIMUM-LIKELIHOOD, GENE-SEQUENCES, UDOTEACEAE BRYOPSIDALES, DASYCLADALES CHLOROPHYTA, HALIMEDA BRYOPSIDALES, Chlorophyta, Ulvophyceae, Dasycladales, Bryopsidales, Fossil algae, Molecular phylogenetics, Relaxed molecular clock, MOLECULAR-DATA, SOUTH CHINA, 18S RDNA, EVOLUTION, ULVOPHYCEAE
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Citation
Please use this url to cite or link to this publication: http://hdl.handle.net/1854/LU-535330
- Chicago
- Verbruggen, Heroen, M Ashworth, ST LoDuca, Caroline Vlaeminck, Ellen Cocquyt, T Sauvage, FW Zechman, et al. 2009. “A Multi-locus Time-calibrated Phylogeny of the Siphonous Green Algae.” Molecular Phylogenetics and Evolution 50 (3): 642–653.
- APA
- Verbruggen, Heroen, Ashworth, M., LoDuca, S., Vlaeminck, C., Cocquyt, E., Sauvage, T., Zechman, F., et al. (2009). A multi-locus time-calibrated phylogeny of the siphonous green algae. MOLECULAR PHYLOGENETICS AND EVOLUTION, 50(3), 642–653.
- Vancouver
- 1.Verbruggen H, Ashworth M, LoDuca S, Vlaeminck C, Cocquyt E, Sauvage T, et al. A multi-locus time-calibrated phylogeny of the siphonous green algae. MOLECULAR PHYLOGENETICS AND EVOLUTION. 2009;50(3):642–53.
- MLA
- Verbruggen, Heroen, M Ashworth, ST LoDuca, et al. “A Multi-locus Time-calibrated Phylogeny of the Siphonous Green Algae.” MOLECULAR PHYLOGENETICS AND EVOLUTION 50.3 (2009): 642–653. Print.
@article{535330,
abstract = {The siphonous green algae are an assemblage of seaweeds that consist of a single giant cell. They comprise two sister orders, the Bryopsidales and Dasycladales. We infer the phylogenetic relationships among the siphonous green algae based on a five-locus data matrix and analyze temporal aspects of their diversification using relaxed molecular clock methods calibrated with the fossil record. The multi-locus approach resolves much of the previous phylogenetic uncertainty, but the radiation of families belonging to the core Halimedineae remains unresolved. In the Bryopsidales, three main clades were inferred, two of which correspond to previously described suborders (Bryopsidineae and Halimedineae) and a third lineage that contains only the limestone-boring genus Ostreobium. Relaxed molecular clock models indicate a Neoproterozoic origin of the siphonous green algae and a Paleozoic diversification of the orders into their families. The inferred node ages are used to resolve conflicting hypotheses about species ages in the tropical marine alga Halimeda.},
author = {Verbruggen, Heroen and Ashworth, M and LoDuca, ST and Vlaeminck, Caroline and Cocquyt, Ellen and Sauvage, T and Zechman, FW and Littler, DS and Littler, MM and Leliaert, Fr{\'e}d{\'e}rik and De Clerck, Olivier},
issn = {1055-7903},
journal = {MOLECULAR PHYLOGENETICS AND EVOLUTION},
keyword = {MAXIMUM-LIKELIHOOD,GENE-SEQUENCES,UDOTEACEAE BRYOPSIDALES,DASYCLADALES CHLOROPHYTA,HALIMEDA BRYOPSIDALES,Chlorophyta,Ulvophyceae,Dasycladales,Bryopsidales,Fossil algae,Molecular phylogenetics,Relaxed molecular clock,MOLECULAR-DATA,SOUTH CHINA,18S RDNA,EVOLUTION,ULVOPHYCEAE},
language = {eng},
number = {3},
pages = {642--653},
title = {A multi-locus time-calibrated phylogeny of the siphonous green algae},
url = {http://dx.doi.org/10.1016/j.ympev.2008.12.018},
volume = {50},
year = {2009},
}
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