The molecular-phylogenetic study of Petrosimonia species of Chenopodiaceae Juss. family

Авторы: Feodorova T.A., Alexandrov O.S.
Журнал: Известия Тимирязевской сельскохозяйственной академии
Номер: 5
Год издания: 2015
Первая страница: 54
Последняя страница: 60
Аннотация: To reconstruct phylogeny and verify the monophyly of Petrosimonia genus, a total of 10 species representing in Euroasia were sampled, with analysis based on ITS1,2 nrDNA using maximum parsimony and Bayesian inference methods. Our molecular evidence provides strong support fot the following: 1) P. nigdeensis, P. triandra 2) P. squarrosa, P. glauca and P. glaucescens 3) P. monandra, P. oppositifolia. P. litwinowii, P. brachiata and P. sibirica are nested with subclades with week support or separated from subclades in basal position. Single PCR NTS of 5S nrDNA produt were confirmed for P. monandra, P. oppositifolia, P. glaucescens and P. squarrosa. Two PCR NTS products were confirmed for P. brachiata and P. sibirica and tree products - for P. litwinowii. The P. brachiata, P. sibirica and P. litwinowii are hybridogenic species with homogenic ITS1,2 nrDNA sequences. The homogenic sequences using for molecular-phylogeny are not reflect of correct (real) position species on molecular trees.
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