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Mol Biol (Mosk). 2006 Nov-Dec;40(6):989-95.

[Analysis of nucleotide sequences polymorphism of chloroplast trnL-trnF spacer of tRNA genes in giant duckweed Spirodela polyrrhiza (L.) Schleiden].

[Article in Russian]

Abstract

Chloroplast DNA trnL-trnF spacer sequences of tRNA genes of 14 specimens of the fam. Lemnaceae have been characterized. Nucleotide polymorphism analysis of the spacer trnL-trnF of geographically isolated and morphologically differing accessions of S. polyrrhiza that is the most widespread species of Spirodela genus showed the low level of intraspecific variability. Five trnL-trnF haplotypes of S. polyrrhiza are identified. Both mono-, and polynucleotide repeats, and also extensive indels, specific to representatives Spirodela polyrrhiza, Landoltia punctata and Lemna sp. are revealed. Competency of Landoltia genus allocation as separate entity was confirmed.

PMID:
17209426
[PubMed - indexed for MEDLINE]
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