Research article
The Caenorhabditis globin gene family reveals extensive nematode-specific radiation and diversification
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* Corresponding author: Jacques R Vanfleteren Jacques.Vanfleteren@UGent.be
1 Department of Biology and Center for Molecular Phylogeny and Evolution, Ghent University, B-9000 Ghent, Belgium
2 Department of Biomedical Sciences, University of Antwerp, B-2610 Antwerp, Belgium
3 Department of Biology, Nematology section, Ghent University, 9000 Ghent, Belgium
4 Department of Biochemistry and Molecular Biology, Wayne State University School of Medicine, Detroit, Michigan 48201, USA
5 National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20814, USA
BMC Evolutionary Biology 2008, 8:279 doi:10.1186/1471-2148-8-279
Published: 9 October 2008Additional files
Additional file 1:
Overview of intron insertion positions in Caenorhabditis, Brugia malayi and Pristionchus pacificus globins. Identical Caenorhabditis-Pristionchus intron positions are marked in red, identical Brugia-Pristionchus intron postions in blue and identical Brugia-Caenorhabditis intron postions in green. Phase 0 introns separate two consecutive codons (annotated by the number of the amino acid residue, a dot and number 0). Phase 1 and phase 2 introns are inserted following the first or second base of a codon, respectively (annotated by the number of the amino acid, a dot and number 1 or 2, respectively). Introns inserted in the N-terminal extensions are referred to as NA counting from amino acid 1, HC for those inserted in the C-terminal extension starting with the first amino acid after the H-helix.
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Additional file 2:
Manual alignment of nematode globins.
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Additional file 3:
Similarity matrix of all 33 C. elegans globins based on the alignment provided in Additional file 2.
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Additional file 4:
Unrooted bayesian trees based on matrices of five-way orthologs from C. elegans, C. briggsae, C. remanei, Pristionchus pacificus and Brugia malayi. glb globin; gst glutathione S-transferase; ast astacin, sod superoxide dismutase, acr nicotinic acetylcholine receptors; wrt hedgehog-related (warthog) proteins; abc ATP-binding proteins.
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