Hybridization and diversity of aquatic macrophyte Sparganium L. (Typhaceae) as revealed by high-throughput nrDNA sequencing.

Autor: Belyakov EA; Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences, Yaroslavl Region, Nekouz District, 109, Borok, Russia, 152742. eugenybeliakov@yandex.ru.; Cherepovets State University, Lunacharsky Ave., 5, Cherepovets, Russia, 162600. eugenybeliakov@yandex.ru., Mikhaylova YV; Komarov Botanical Institute, Russian Academy of Sciences, Prof. Popova St., 2, St. Petersburg, Russia, 199376. YMikhaylova@binran.ru., Machs EM; Komarov Botanical Institute, Russian Academy of Sciences, Prof. Popova St., 2, St. Petersburg, Russia, 199376., Zhurbenko PM; Komarov Botanical Institute, Russian Academy of Sciences, Prof. Popova St., 2, St. Petersburg, Russia, 199376.; St. Petersburg State University, Universitetskaya Embankment, 7-9, St. Petersburg, Russia, 199034., Rodionov AV; Komarov Botanical Institute, Russian Academy of Sciences, Prof. Popova St., 2, St. Petersburg, Russia, 199376.; St. Petersburg State University, Universitetskaya Embankment, 7-9, St. Petersburg, Russia, 199034.
Jazyk: angličtina
Zdroj: Scientific reports [Sci Rep] 2022 Dec 14; Vol. 12 (1), pp. 21610. Date of Electronic Publication: 2022 Dec 14.
DOI: 10.1038/s41598-022-25954-0
Abstrakt: Sparganium is an emergent aquatic macrophyte widely spread in temperate and subtropical zones. Taxa of this genus feature high phenotypic plasticity and can produce interspecific hybrids. By means of high-throughput sequencing of the internal transcribed spacer (ITS1) of 35S rDNA, the status of 15 Eurasian Sparganium species and subspecies was clarified and the role of hybridization events in the recent evolution of the genus was investigated. It has been shown that a number of species such as S. angustifolium, S. fallax and S. subglobosum have homogenized rDNA represented by one major ribotype. The rDNA of other taxa is represented by two or more major ribotypes. Species with high rDNA heterogeneity are apparently of hybrid origin. Based on the differences in rDNA patterns, intraspecific diversity was identified in S. probatovae and S. emersum. Thus, we have concluded that Sparganium has extensive interspecific hybridization at the subgenus level, and there may also be occasional hybridization between species from different subgenera.
(© 2022. The Author(s).)
Databáze: MEDLINE
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