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  • Title: [Analysis of chloroplast rpS16 intron sequences in Lemnaceae].
    Author: Martirosian EV, Ryzhova NN, Kochieva EZ, Skriabin KG.
    Journal: Mol Biol (Mosk); 2009; 43(1):36-43. PubMed ID: 19334524.
    Abstract:
    Chloroplast rpS16 gene intron sequences were determined and characterized for twenty-five Lemnaceae accessions representing nine duckweed species. For each Lemnaceae species nucleotide substitutions and for Lemna minor, Lemna aequinoctialis, Wolffia arrhiza different indels were detected. Most of indels were found for Wolffia arrhiza and Lemna aequinoctialis. The analyses of intraspecific polymorphism resulted in identification of several gaplotypes in L. gibba and L. trisulca. Lemnaceae phylogenetic relationship based on rpS16 intron variability data has revealed significant differences between L. aequinoctialis and other Lemna species. Genetic distance values corroborated competence of Landoltia punctata separations from Spirodela into an independent generic taxon. The acceptability of rpS16 intron sequences for phylogenetic studies in Lemnaceae was shown.
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