Complex Biogeographic Patterns in Androsace (Primulaceae) and Related Genera: Evidence from Phylogenetic Analyses of Nuclear Internal Transcribed Spacer and Plastid trnL-F Sequences
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چکیده
منابع مشابه
Molecular Systematics of Genus Atractylodes (Compositae, Cardueae): Evidence from Internal Transcribed Spacer (ITS) and trnL-F Sequences
To determine the evolutionary relationships among all members of the genus Atractylodes (Compositae, Cardueae), we conducted molecular phylogenetic analyses of one nuclear DNA (nrDNA) region (internal transcribed spacer, ITS) and one chloroplast DNA (cpDNA) region (intergenic spacer region of trnL-F). In ITS and ITS + trnL-F trees, all members of Atractylodes form a monophyletic clade. Atractyl...
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To help in the clarification of the taxonomic status of Elymus L. and related genera Agropyron Gaertn., Leymus Hochst., Hordelymus (Jess.) Harz, and Brachypodium P.Beauv., the sequence diversity in the internal transcribed spacer (ITS) region of nuclear ribosomal DNA was studied. ITS data of 64 Triticeae accessions including 40 Elymus, 12 Agropyron, 7 Leymus, and 4 Hordelymus, and 1 Brachypodiu...
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BACKGROUND AND AIMS Representatives from Papaver, Roemeria, Stylomecon and Meconopsis were studied to elucidate phylogenetic relationships between Papaver and these closely allied genera. METHODS Two molecular data sets were used individually and combined and included sequences from the internally transcribed spacer region (ITS) of 18S-26S nuclear ribosomal DNA and the trnL intron and the trn...
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A previous polymerase chain reaction based survey for the occurrence of the intron in chloroplast gene rpoC1 revealed its absence in one of the eight species of Medicago (Fabaceae; Trifolieae) examined. We extend the survey of Medicago to include 65 of the 86 species, representing all 12 sections and seven of the eight subsections recognized in the most recent comprehensive treatment of the gen...
متن کاملA phylogenetic analysis of Rhamnaceae using rbcL and trnL-F plastid DNA sequences.
Previous tribal classifications of Rhamnaceae have been based on fruit characters, resulting in the delimitation of large and otherwise heterogeneous groups. We evaluated the most recent classification with DNA sequences of two regions of the plastid genome, rbcL and trnL-F, from 42 genera of Rhamnaceae and representatives of the related families Elaeagnaceae, Barbeyaceae, Dirachmaceae, Urticac...
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ژورنال
عنوان ژورنال: Systematic Biology
سال: 2004
ISSN: 1076-836X,1063-5157
DOI: 10.1080/10635150490522566