Phylogenetic relationships among iguanian lizards using alternative partitioning methods and TSHZ1: A new phylogenetic marker for reptiles |
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| Authors: | James A. Schulte Eva M. Cartwright |
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| Affiliation: | 1. Department of Evolutionary Ecology, National Museum of Natural Science – Spanish Resarch Council (MNCN-CSIC), José Gutiérrez Abascal 2, 28006 Madrid, Spain;2. Departamento de Herpetología, Sociedad de Ciencias Aranzadi, Alto de Zorroaga 11, Donostia-San Sebastián, Spain;1. China Medical University School of Forensic Medicine, No. 77, Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China;2. Criminal Science and Technology Institute of Liaoning Province, No. 2, Qishan Middle Road, Huanggu District, Shenyang, Liaoning 110032, PR China;3. Department of Forensic Medicine, National Police University of China, No. 83, Tawan Street, Huanggu District, Shenyang, Liaoning 110854, PR China;1. Department of Biology, FFCLRP, University of São Paulo, Avenida Bandeirantes, 3900, Bairro Monte Alegre, Ribeirão Preto, SP, Brazil;2. Department of Genetics, Federal University of Rio de Janeiro, Prof. Rodolpho Paulo Rocco, S/N, Rio de Janeiro, RJ, Brazil;3. Instituto de Biodiversidad Neotropical – CONICET, Miguel Lillo 205, Tucumán, Argentina;1. Department of Anatomy, Université du Québec à Trois-Rivières (UQTR), 3351 boul. des Forges, C.P. 500, Trois-Rivières, QC G9A 5H7, Canada;2. CogNAC Research Group, Université du Québec à Trois-Rivières, 3351 boul. des Forges, C.P. 500, Trois-Rivières, QC G9A 5H7, Canada;3. Department of Chiropractic, Université du Québec à Trois-Rivières, 3351 boul. des Forges, C.P. 500, Trois-Rivières, QC G9A 5H7, Canada |
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| Abstract: | We present phylogenetic hypotheses for the major iguanian lizard lineages and several squamate outgroups using a combined analysis of 4950 aligned base positions representing two intronless nuclear genes, TSHZ1 and RAG1. Bayesian analyses using reversible jump (RJ) mixture model selection are conducted and compared with a priori partitioned, mixed model maximum likelihood analyses. Bayesian credibility values and ML bootstraps are comparable with strong support at deep nodes and within acrodonts, but weak support for the twelve iguanid lineages. Accounting for pattern and rate heterogeneity is becoming commonplace and is essential for accurate phylogeny reconstruction. |
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