A mitochondrial phylogeny of the rainforest skink genus Saproscincus, Wells and Wellington (1984)

Moussalli, A., Hugall, A. F. and Moritz, C. (2005) A mitochondrial phylogeny of the rainforest skink genus Saproscincus, Wells and Wellington (1984). Molecular Phylogenetics And Evolution, 34 1: 190-202.


Author Moussalli, A.
Hugall, A. F.
Moritz, C.
Title A mitochondrial phylogeny of the rainforest skink genus Saproscincus, Wells and Wellington (1984)
Journal name Molecular Phylogenetics And Evolution   Check publisher's open access policy
ISSN 1055-7903
Publication date 2005
Sub-type Article (original research)
DOI 10.1016/j.ympev.2004.08.022
Volume 34
Issue 1
Start page 190
End page 202
Total pages 13
Editor M. Goodman
Place of publication USA
Publisher Elsevier
Collection year 2005
Language eng
Subject C1
270208 Molecular Evolution
780105 Biological sciences
Abstract The phylogenetic relationships and historical biogeography of 10 currently described rainforest skinks in the genus Saproscincus were investigated using mitochondrial protein-coding ND4 and ribosomal RNA 16S genes. A robust phylogeny is inferred using both maximum likelihood and Bayesian analysis, with all inter-specific nodes strongly supported when datasets are combined. The phylogeny supports the recognition of two major lineages (northern and southern), each of which comprises two divergent clades. Both northern and southern lineages have comparably divergent representatives in mid-east Queensland (MEQ), providing further molecular evidence for the importance of two major biogeographic breaks, the St. Lawrence gap and Burdekin gap separating MEQ from southern and northern counterparts respectively. Vicariance associated with the fragmentation and contraction of temperate rainforest during the mid-late Miocene epoch underpins the deep divergence between morphologically conservative lineages in at least three instances. In contrast, one species, Saproseincus oriarus, shows very low sequence divergence but distinct morphological and ecological differentiation from its allopatric sister clade within Saproseincus mustelinus. These results suggest that while vicariance has played a prominent role in diversification and historical biogeography of Saproscincus, divergent selection may also be important. (C) 2004 Elsevier Inc. All rights reserved.
Keyword Biochemistry & Molecular Biology
Evolutionary Biology
Genetics & Heredity
Saproscincus
Phylogeny
Historical Biogeography
Partitioned Likelihood Support
Miocene
Divergent Selection
Comparative Phylogeography
Molecular Phylogeny
Eastern Australia
Wet Tropics
Evolution
Dna
Vertebrates
Rna
Scincidae
Support
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: 2006 Higher Education Research Data Collection
School of Biological Sciences Publications
 
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