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Development of Nuclear Microsatellites for the Arcto-Tertiary Tree Zelkova carpinifolia (Ulmaceae) Using 454 Pyrosequencing
- Maharramova, Elmira H., Muller, Ludo A., Korotkova, Nadja, Borsch, Thomas
- Applications in plant sciences 2014 v.2 no.3
- Zelkova, computer software, gene flow, genetic markers, genetic variation, microsatellite repeats, phylogeography, polymerase chain reaction, population structure, sequence analysis, trees
- Premise of the study: The current study aimed at developing nuclear microsatellite markers for the relict tree species Zelkova carpinifolia, which is threatened in its natural range in the South Caucasus. Methods and Results: Pyrosequencing of an enriched microsatellite library on the Roche FLX platform using the 454 Titanium kit produced 86,058 sequence reads, most of which contained short tandem repeats. Eighty microsatellite loci identified using the software package QDD version 1 were selected and tested for proper PCR amplification. Of these, 13 allowed proper amplification and were shown to be polymorphic among a sample of 25 Z. carpinifolia specimens from various geographic origins. Conclusions: The set of microsatellite markers will be suitable for the assessment of genetic diversity in Z. carpinifolia. They will allow for an examination of phylogeographic patterns as well as of population structure and gene flow within this species.