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Article

Dissecting Taxonomic Variants within Ulmus spp. Complex in Natural Forests with the Aid of Microsatellite and Morphometric Markers

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Lithuanian Research Centre for Agriculture and Forestry, Liepu Str. 1 Girionys, LT-53101 Kaunas Distr., Lithuania
2
Independent Researcher, LT-44248 Kaunas, Lithuania
3
Agriculture Academy, Faculty of Forest Sciences and Ecology, Vytautas Magnus University, K. Donelaičio g. 58, LT-44248 Kaunas, Lithuania
*
Author to whom correspondence should be addressed.
Academic Editor: Stéphane Maury
Forests 2021, 12(6), 653; https://doi.org/10.3390/f12060653
Received: 20 April 2021 / Revised: 12 May 2021 / Accepted: 17 May 2021 / Published: 21 May 2021
(This article belongs to the Section Genetics and Molecular Biology)
Spontaneous hybrids between the native elms (genus Ulmus L.) have been observed in the forests of Europe. Gene conservation raises questions regarding the genetic background for the complex morphology and taxonomy of elms. Our objective was to dissect morphological and genetic variation in the natural swamps of Ulmus species groups in Lithuanian forests with the aid of leaf morphology and microsatellite (SSR) markers. We sampled leaves from 189 elms at 26 locations to grasp the phenotypic diversity in variable natural habitats in Lithuanian forests. We assigned the elms into six taxonomic and genetics groups based on 31 leaf morphology parameters and tested the genetic differentiation between these six groups at six nuclear SSR loci by using Bayesian and genetic distance-based clustering. The genetic and leaf morphometric analyses of putative elm hybrid swamps indicated a low genetic exchange between U. laevis Pall. and the other Ulmus groups. The genetic and morphometric data supported the differentiation of U. glabra Huds. and U. glabra (female) × U. minor Mill. (male) spontaneous hybrids. In addition, the results of the genetic analysis also confirmed the high level of genome sharing among U. minor and U. minor subsp. minor Richens., where leaf morphology failed to differentiate genetically discrete groups. For gene conservation, we would suggest considering separate gene conservation units selected based on leaf and stem morphology for U. laevis, U. glabra, U. glabra × minor, and the U. minor species complex. View Full-Text
Keywords: Ulmus glabra; U. laevis; U. minor; interspecific hybrids; leaf morphological traits Ulmus glabra; U. laevis; U. minor; interspecific hybrids; leaf morphological traits
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MDPI and ACS Style

Tamošaitis, S.; Jurkšienė, G.; Petrokas, R.; Buchovska, J.; Kavaliauskienė, I.; Danusevičius, D.; Baliuckas, V. Dissecting Taxonomic Variants within Ulmus spp. Complex in Natural Forests with the Aid of Microsatellite and Morphometric Markers. Forests 2021, 12, 653. https://doi.org/10.3390/f12060653

AMA Style

Tamošaitis S, Jurkšienė G, Petrokas R, Buchovska J, Kavaliauskienė I, Danusevičius D, Baliuckas V. Dissecting Taxonomic Variants within Ulmus spp. Complex in Natural Forests with the Aid of Microsatellite and Morphometric Markers. Forests. 2021; 12(6):653. https://doi.org/10.3390/f12060653

Chicago/Turabian Style

Tamošaitis, Sigitas, Girmantė Jurkšienė, Raimundas Petrokas, Jurata Buchovska, Ilona Kavaliauskienė, Darius Danusevičius, and Virgilijus Baliuckas. 2021. "Dissecting Taxonomic Variants within Ulmus spp. Complex in Natural Forests with the Aid of Microsatellite and Morphometric Markers" Forests 12, no. 6: 653. https://doi.org/10.3390/f12060653

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