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The complete plastid genome and nuclear genome markers provide molecular evidence for the hybrid origin of Pulsatilla × hackelii Pohl.

This study presents the first molecularly proven data on natural hybridization in the genus Pulsatilla, including the complete plastome sequence. A plant with morphological characteristics intermediate between P. patens and P. pratensis was found near the village of Bocheniec (southern Poland). | Turkish Journal of Botany Turk J Bot (2017) 41: 329-337 © TÜBİTAK doi:10.3906/bot-1610-28 http://journals.tubitak.gov.tr/botany/ Research Article The complete plastid genome and nuclear genome markers provide molecular evidence for the hybrid origin of Pulsatilla × hackelii Pohl. 1, 2 1 1,3 Monika SZCZECIŃSKA *, Grzegorz ŁAZARSKI , Katarzyna BILSKA , Jakub SAWICKI Department of Botany and Nature Protection, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland 2 Department of Plant Taxonomy, Phytogeography and Herbarium, Institute of Botany, Jagiellonian University, Krakow, Poland 3 Department of Biology and Ecology, University of Ostrava, Ostrava, Czech Republic 1 Received: 13.10.2016 Accepted/Published Online: 01.03.2017 Final Version: 18.07.2017 Abstract: This study presents the first molecularly proven data on natural hybridization in the genus Pulsatilla, including the complete plastome sequence. A plant with morphological characteristics intermediate between P. patens and P. pratensis was found near the village of Bocheniec (southern Poland). In this study, several classes of markers based on genotyping (SSR and ISJ) and sequencing (Sanger and NGS) were used to confirm hybridization and its direction, and to determine the prospective parent species. Analysis of ISJ and ISSR genotyping data revealed that all amplified loci were polymorphic. The hybrid species was characterized by only 3 specific bands, and it shared the highest number of bands with P. pratensis. A total of 3,204,448 pair-end reads (2 × 250 bp) from Pulsatilla × hackelii were obtained in a single run of the MiSeq sequencer. The structure of the hybrid plastid genome did not differ from the previously identified genomes of the Pulsatilla species. A phylogenetic analysis of plastomes in the Pulsatilla species revealed three well-supported clades. The plastome of Pulsatilla × hackelii was included in the P. pratensis clade. P. hackelii and P. pratensis formed a well-supported .