Amborellaceae or Nymphaeaceae first?

Tim Lowrey tlowrey at UNM.EDU
Wed Jan 14 08:36:49 CST 2004


The paper in the following citation presents a different view of the
phylogenetic position of the  Amborellaceae.

Title:  Analysis of the Amborella trichopoda chloroplast genome
sequence suggests that Amborella is not a basal angiosperm
Author:  Goremykin, VV; Hirsch-Ernst, KI; Wolfl, S; Hellwig, FH
Institution:  Univ Jena, Inst Spezielle Bot, D-6900 Jena, Germany; Univ
Jena, Inst Spezielle Bot, D-6900 Jena, Germany; Univ Gottingen, Zentrum
Pharmakkol & Toxikol, D-3400 Gottingen, Germany; Univ Jena, Innere Med
Klin, D-6900 Jena, Germany
Journal:  MOLECULAR BIOLOGY AND EVOLUTION; SEP 2003; v.20, no.9,
p.1499-1505
Doc. Type:  Article
Abstract:  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.

Tim Lowrey




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