| Molecular phylogeny and biogeography of the dung beetle genus Temnoplectron Westwood (Scarabaeidae: Scarabaeinae) from Australia's wet tropics. | |
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MedLine Citation:
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PMID: 15062807 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The landscape of the Australian Wet Tropics can be described as "islands" of montane rainforest surrounded by warmer or more xeric habitats. Historical glaciation cycles have caused expansion and contraction of these rainforest "islands" leading to consistent patterns of genetic divergence within species of vertebrates. To explore whether this dynamic history has promoted speciation in endemic and diverse groups of insects, we used a combination of mtDNA sequencing and morphological characters to estimate relationships and the tempo of divergence among Australian representatives of the dung beetle genus Temnoplectron. This phylogenetic hypothesis shares a number of well-supported clades with a previously published phylogenetic hypothesis based on morphological data, though statistical support for several nodes is weak. Sister species relationships well-supported in both tree topologies, and a tree obtained by combining the two data sets, suggest that speciation has mostly been allopatric. We identify a number of speciation barriers, which coincide with phylogeographic breaks found in vertebrate species. Large sequence divergences between species emphasize that speciation events are ancient (pre-Pleistocene). The flightless, rainforest species appear to have speciated rapidly, but also in the distant past. |
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Authors:
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K L Bell; D K Yeates; C Moritz; G B Monteith |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Molecular phylogenetics and evolution Volume: 31 ISSN: 1055-7903 ISO Abbreviation: Mol. Phylogenet. Evol. Publication Date: 2004 May |
Date Detail:
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Created Date: 2004-04-05 Completed Date: 2004-11-10 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 9304400 Medline TA: Mol Phylogenet Evol Country: United States |
Other Details:
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Languages: eng Pagination: 741-53 Citation Subset: IM |
Affiliation:
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Queensland Museum, Brisbane, Queensland 4000, Australia. kbell@zen.uq.edu.au |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Australia Beetles / classification*, genetics* DNA, Mitochondrial / genetics Electron Transport Complex IV / genetics Genetic Variation Geography Phylogeny* |
| Chemical | |
Reg. No./Substance:
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0/DNA, Mitochondrial; EC 1.9.3.1/Electron Transport Complex IV |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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