Arid
DOI10.1111/j.1095-8312.2007.00911.x
Phylogeny of Australasian agamid lizards based on nuclear and mitochondrial genes: implications for morphological evolution and biogeography
Hugall, Andrew F.1; Foster, Ralph2; Hutchinson, Mark2; Lee, Michael S. Y.1,2
通讯作者Hugall, Andrew F.
来源期刊BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
ISSN0024-4066
EISSN1095-8312
出版年2008
卷号93期号:2页码:343-358
英文摘要

Recent mtDNA phylogenies of Australasian agamid lizards are highly incongruent with existing morphological views. To resolve this discrepancy we sequenced two nuclear gene regions, c-mos and brain-derived neurotrophic factor (BDNF). These were highly concordant with each other and the mtDNA phylogeny, but not the morphology. A combined molecular analysis reveals substantial hidden support (additional phylogenetic signal that emerges only when the data sets interact in a combined analysis). Bayesian posteriors, and a partitioned bootstrap procedure introduced here, indicate strong support for most nodes. The resultant tree implies extensive morphological homoplasy, with many genera emerging as non-monophyletic (Amphibolurus, Rankinia, Ctenophorus, Physignathus, Diporiphora). The water and forest dragons (Physignathus and Hypsilurus) form a paraphyletic basal assemblage to the more derived Australian forms such as Amphibolurus and Ctenophorus, which include almost all the xeric taxa. However, the thorny devil Moloch horridus is a basal lineage and not closely related to the other arid forms. Tree topology, inferred divergence dates, palaeogeographical and palaeoclimatic data are all consistent with Miocene immigration into Australia from the north by mesic forest ecomorphs, followed by initial diversification in mesic habitats before radiation into xeric habitats facilitated by increasing aridity. (c) 2008 The Linnean Society of London.


英文关键词BDNF c-mos molecular phylogeny Moloch squamates
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000252319500009
WOS关键词BAYESIAN POSTERIOR PROBABILITIES ; LIKELIHOOD APPROACH ; DNA-SEQUENCES ; MODEL ; SUPPORT ; TREES ; SUBSTITUTION ; DIVERGENCE ; INFERENCE ; REPTILIA
WOS类目Evolutionary Biology
WOS研究方向Evolutionary Biology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/156682
作者单位1.Univ Adelaide, Sch Earth & Environm Sci, Adelaide, SA 5005, Australia;
2.S Australian Museum, Adelaide, SA 5000, Australia
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Hugall, Andrew F.,Foster, Ralph,Hutchinson, Mark,et al. Phylogeny of Australasian agamid lizards based on nuclear and mitochondrial genes: implications for morphological evolution and biogeography[J],2008,93(2):343-358.
APA Hugall, Andrew F.,Foster, Ralph,Hutchinson, Mark,&Lee, Michael S. Y..(2008).Phylogeny of Australasian agamid lizards based on nuclear and mitochondrial genes: implications for morphological evolution and biogeography.BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY,93(2),343-358.
MLA Hugall, Andrew F.,et al."Phylogeny of Australasian agamid lizards based on nuclear and mitochondrial genes: implications for morphological evolution and biogeography".BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY 93.2(2008):343-358.
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