Molecular phylogenetics of the Meteoriaceae s. str.: focusing on the genera Meteorium and Papillaria

Molecular Phylogenetics and Evolution
Dietmar QuandtWolfgang Frey

Abstract

In order to delimit and understand the evolution of the Meteoriaceae, we provide phylogenetic analyses using the internal transcribed spacer 2 (ITS2) of nuclear ribosomal DNA in combination with two plastid markers, trnL-F and psbT-H. In contrast to the widely used trnL-F region, the psbT-H gene cluster, coding for proteins of photosystem II, has been rarely used to address systematic questions among the different land plant lineages. To overcome the problem of potential ambiguous alignments of non-coding DNA regions, the data were independently analyzed using direct optimization. The comparison and evaluation of the obtained results showed that the inferred cladograms based on the different phylogenetic approaches are very similar, with only minor differences. In combination with morphological characters, generic relationships as well as taxonomic and nomenclatural problems, especially regarding the key genera Meteorium and Papillaria are discussed in detail. New insights into generic relationships of the Meteoriaceae are provided, such as the exclusion of the monospecific southern South American genera Ancistrodes and Cryphaeophilum, which are subsequently transferred to the Hookeriaceae and Cryphaeaceae, respectively. Phylog...Continue Reading

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Apr 6, 2004·Molecular Phylogenetics and Evolution·Kai Müller
Jun 30, 2004·Molecular Phylogenetics and Evolution·Dietmar QuandtWolfgang Frey

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Citations

Apr 7, 2010·Molecular Phylogenetics and Evolution·Matthew J Morgan, Scot A Kelchner
Sep 18, 2004·Plant Biology·D Quandt, M Stech
Jul 12, 2005·Molecular Phylogenetics and Evolution·Dietmar Quandt, Michael Stech
Jun 30, 2004·Molecular Phylogenetics and Evolution·Dietmar QuandtWolfgang Frey
Nov 27, 2010·BMC Research Notes·Benjamin Merget, Matthias Wolf

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