Evidence of distant hybridization within Central Asian feather grasses (Poaceae: Stipa)

The genus Stipa is one of the largest genera of Poaceae. The phylogeny of the genus is still poorly resolved, and one of the main problems is linked to the extensive inter and intrasectional hybridization. Disclosure of hybridization processes is a key to understanding relationships between species...

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Bibliographic Details
Published in:Turczaninowia Vol. 25, № 2. P. 75-85
Main Author: Gudkova, Polina D.
Other Authors: Baiakhmetov, Evgenii Zh, Nobis, Marcin
Format: Article
Language:English
Subjects:
Online Access:http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001003205
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100 1 |a Gudkova, Polina D.  |9 100098 
245 1 0 |a Evidence of distant hybridization within Central Asian feather grasses (Poaceae: Stipa)  |c P. D. Gudkova, E. Baiakhmetov, M. Nobis 
246 1 1 |a Доказательство отдаленной гибридизации среднеазиатских ковылей (Poaceae: Stipa) 
336 |a Текст 
337 |a электронный 
504 |a Библиогр.: с. 84-85 
520 3 |a The genus Stipa is one of the largest genera of Poaceae. The phylogeny of the genus is still poorly resolved, and one of the main problems is linked to the extensive inter and intrasectional hybridization. Disclosure of hybridization processes is a key to understanding relationships between species within the genus. During a floristic study in feathergrass steppe ecosystems of central Asia, we found challenging specimens of Stipa with an interesting combination of morphological characters suggesting their origination through hybridization between morphologically and phylogenetically distant species. To confirm our hypothesis, we applied a combination of classical morphological and genome-wide SNP genotyping methods. Using such an approach, we determined that the new taxon named Stipa x smelanskyi arose from crossing S. richteriana and S. drobovii and confirmed that it is an F1 hybrid. Moreover, we found a S. drobovii specimen with a minor admixture of S. richteriana loci that may indicate putative introgression events among these taxa. 
653 |a естественная гибридизация 
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653 |a методы полногеномного генотипирования 
653 |a таксономия 
653 |a нотовиды 
655 4 |a статьи в журналах  |9 888417 
700 1 |a Baiakhmetov, Evgenii Zh.  |9 104478 
700 1 |a Nobis, Marcin  |9 100171 
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