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Open Access Highly Accessed Research article

Visual pigments in a living fossil, the Australian lungfish Neoceratodus forsteri

Helena J Bailes12*, Wayne L Davies13, Ann EO Trezise1 and Shaun P Collin1

Author Affiliations

1 School of Biomedical Sciences, University of Queensland, St Lucia, Brisbane, QLD 4072, Australia

2 Faculty of Life Sciences, Manchester University, Oxford Road, Manchester, M13 9PL, UK

3 UCL Institute of Ophthalmology, 11-43 Bath Street, London, EC1V 9EL, UK

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BMC Evolutionary Biology 2007, 7:200  doi:10.1186/1471-2148-7-200

Published: 25 October 2007

Additional files

Additional file 1:

A phylogenetic tree of the five photoreceptor opsins of Neoceratodus forsteri and selected deduced amino acid sequences from full-length nucleotide coding sequences of related species. An additional figure representing a phylogenetic tree of lungfish opsins using deduced amino acid sequences. A phylogenetic tree of the five photoreceptor opsins of Neoceratodus forsteri and selected deduced amino acid sequences from full-length nucleotide coding sequences of related species. The tree was constructed using the Neighbour-joining method with 1000 bootstrap replications and a Poisson correction substitution model. Sarcopterygian fish (coelacanth and lungfish) are in red, teleost fish are in dark blue, amphibians are in green and reptiles are in purple. Genbank accession numbers are listed in Table 1. Bootstrap confidence values are at the base of each node. The rh4 opsin of Drosophila melanogaster (Table 1) was used as an outgroup. Scale bar indicates amino acid substitutions per site.

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