Abstract
The analysis of DNA nucleotide sequences is an important source of information in the identification of plant taxa or plant components in the composition of medicines. In this work, we studied the possibility of using universal molecular markers for DNA barcoding of rare plant species distributed in the Altai Biosphere Reserve, located in the Altai Republic (South Siberia, Russia). In order to identify commercially-used endangered species, universal markers recommended for DNA barcoding were applied: ITS (Internal Transcribed Spacers) region of nuclear ribosomal DNA and four regions of chloroplast DNA: trnL-F, trnH-psbA rpl32-trnL, and rpl16. Among 61 species of rare flowering plants protected in the Altai Biosphere Reserve, ten species belonging to eight families were studied. The results of sequencing showed that ITS, rpl32-trnL and trnH-psbA core plant barcodes are the most effective markers for discriminating rare species from the Altai Biosphere Reserve.
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