Document Detail

Molecular phylogenetic and dating analyses using mitochondrial DNA sequences of eyelid geckos (Squamata: Eublepharidae).
MedLine Citation:
PMID:  18029117     Owner:  NLM     Status:  MEDLINE    
Mitochondrial DNA sequences of approximately 2.3 kbp including the complete NADH dehydrogenase subunit 2 gene and its flanking genes, as well as parts of 12S and 16S rRNA genes were determined from major species of the eyelid gecko family Eublepharidae sensu [Kluge, A.G. 1987. Cladistic relationships in the Gekkonoidea (Squamata, Sauria). Misc. Publ. Mus. Zool. Univ. Michigan 173, 1-54.]. In contrast to previous morphological studies, phylogenetic analyses based on these sequences supported that Eublepharidae and Gekkonidae form a sister group with Pygopodidae, raising the possibility of homoplasious character change in some key features of geckos, such as reduction of movable eyelids and innovation of climbing toe pads. The phylogenetic analyses also provided a well-resolved tree for relationships between the eublepharid species. The Bayesian estimation of divergence times without assuming the molecular clock suggested the Jurassic divergence of Eublepharidae from Gekkonidae and radiations of most eublepharid genera around the Cretaceous. These dating results appeared to be robust against some conditional changes for time estimation, such as gene regions used, taxon representation, and data partitioning. Taken together with geological evidence, these results support the vicariant divergence of Eublepharidae and Gekkonidae by the breakup of Pangea into Laurasia and Gondwanaland, and recent dispersal of two African eublepharid genera from Eurasia to Africa after these landmasses were connected in the Early Miocene.
Pierre Jonniaux; Yoshinori Kumazawa
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2007-10-05
Journal Detail:
Title:  Gene     Volume:  407     ISSN:  0378-1119     ISO Abbreviation:  Gene     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2007-12-18     Completed Date:  2008-03-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7706761     Medline TA:  Gene     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  105-15     Citation Subset:  IM    
Graduate School of Science, Nagoya University, Furo-cho, Chukusa-ku, Nagoya, Japan.
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MeSH Terms
Base Sequence
DNA, Mitochondrial / genetics
DNA, Ribosomal / genetics
Evolution, Molecular*
Genes, Mitochondrial / genetics*
Lizards / anatomy & histology,  classification*,  genetics*
Molecular Sequence Data
NADH Dehydrogenase / genetics
RNA, Ribosomal / genetics
RNA, Ribosomal, 16S / genetics
Reg. No./Substance:
0/DNA, Mitochondrial; 0/DNA, Ribosomal; 0/RNA, Ribosomal; 0/RNA, Ribosomal, 16S; 0/RNA, ribosomal, 12S; EC Dehydrogenase

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