MBE Advance Access originally published online on June 27, 2003
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Mol. Biol. Evol. 20(9):1499-1505. 2003
DOI: 10.1093/molbev/msg159
© 2003 by the Society for Molecular Biology and Evolution. ISSN: 0737-4038
Analysis of the Amborella trichopoda Chloroplast Genome Sequence Suggests That Amborella Is Not a Basal Angiosperm


* Institut für Spezielle Botanik, Universität Jena, Jena, Germany
Zentrum Pharmakologie und Toxikologie, Universität Göttingen, Göttingen, Germany
Klinik für Innere Medizin, Universität Jena, Jena, Germany
E-mail: vadim.goremykin{at}uni-jena.de.
Phylogenetic analyses based on comparison of a limited number of genes recently suggested that Amborella trichopoda is the most ancient angiosperm. Here we present the complete sequence of the chloroplast genome of this plant. It does not display any of the genes characteristic of chloroplast DNA of the gymnosperm Pinus thunbergii (chlB, chlL, chlN, psaM, and ycf12). The majority of phylogenetic analyses of protein-coding genes of this chloroplast DNA suggests that Amborella is not the basal angiosperm and not even the most basal among dicots.
Key Words: Amborella chloroplast genomes angiosperms gymnosperms molecular evolution substitution rates
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