ITS Sequence Data Resolve Higher Level Relationships Among the Eucalypts

Dorothy A Steane; G E McKinnon; R E Vaillancourt; Brad M Potts

doi:10.1006/mpev.1999.0612

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ITS Sequence Data Resolve Higher Level Relationships Among the Eucalypts

Journal article

Peer reviewed

ITS Sequence Data Resolve Higher Level Relationships Among the Eucalypts

Dorothy A Steane, G E McKinnon, R E Vaillancourt and Brad M Potts

Molecular Phylogenetics and Evolution, Vol.12(2), pp.215-223

1999

DOI: https://doi.org/10.1006/mpev.1999.0612

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Abstract

Genetics

Evolutionary Biology

Zoology

Sequences of the internal transcribed spacer (ITS) region of the nuclear ribosomal DNA were obtained for 35 species of Eucalyptus s.s. and seven taxa representing five outgroup genera (Allosyncarpia, Angophora, Arillastrum, Corymbia, and Stockwellia). The sequences were analyzed cladistically. The data distinguished clearly between the two major subgenera of Eucalyptus s.s. (Symphyomyrtus and Monocalyptus) but indicated that subgenus Eudesmia may be paraphyletic. ITS sequence data demonstrated the potential to resolve relationships between sections within subgenus Symphyomyrtus. Within sections, however, taxa were poorly differentiated. At the generic level, Corymbia appeared to be paraphyletic due to the exclusion of Angophora. The positions of Allosyncarpia and Arillastrum relative to the ingroup remain unresolved. ITS sequence data may prove valuable for resolving other phylogenetic relationships at higher taxonomic levels within Eucalyptus.

Details

Title: ITS Sequence Data Resolve Higher Level Relationships Among the Eucalypts
Authors: Dorothy A Steane (Author) - University of Tasmania
G E McKinnon (Author) - University of Tasmania
R E Vaillancourt (Author) - University of Tasmania
Brad M Potts (Author) - University of Tasmania
Publication details: Molecular Phylogenetics and Evolution, Vol.12(2), pp.215-223
Publisher: Academic Press
Date published: 1999
DOI: 10.1006/mpev.1999.0612
ISSN: 1055-7903
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99450248802621
Output Type: Journal article

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