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Phylogenetic Relationships between Four Salix L. Species Based on DArT Markers
Departament of Plant Breeding and Seed Production, University of Warmia and Mazury, Plac Łódzki 3, Olsztyn 10-724, Poland
Diversity Arrays Technology Pty Limited, 1 Wilf Crane Crescent, Yarralumla ACT 2600, Australia
* Author to whom correspondence should be addressed.
Received: 21 October 2013; in revised form: 28 November 2013 / Accepted: 2 December 2013 / Published: 11 December 2013
Abstract: The objectives of this study were to evaluate the usefulness of DArT markers in genotypic identification of willow species and describe genetic relationships between four willow species: Salix viminalis, S. purpurea, S. alba and S. triandra. The experimental plant material comprised 53 willow genotypes of these four species, which are popularly grown in Poland. DArT markers seem to identify Salix species with a high degree of accuracy. As a result, the examined species were divided into four distinct groups which corresponded to the four analyzed species. In our study, we observed that S. triandra was very different genetically from the other species, including S. alba which is generally classified into the same subgenus of Salix. The above corroborates the findings of other authors who relied on molecular methods to reveal that the classification of S. triandra to the subgenus Salix was erroneous. The Principal Coordinate Analysis (PCoA) and the neighbor-joining dendrogram also confirmed the clear division of the studied willow genotypes into four clusters corresponding to individual species. This confirmed the usefulness of DArT markers in taxonomic analyses and identification of willow species.
Keywords: phylogenetic relationships; genetic diversity; species identity; diversity arrays technology; DArT; Salix; willow
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Przyborowski, J.A.; Sulima, P.; Kuszewska, A.; Załuski, D.; Kilian, A. Phylogenetic Relationships between Four Salix L. Species Based on DArT Markers. Int. J. Mol. Sci. 2013, 14, 24113-24125.
Przyborowski JA, Sulima P, Kuszewska A, Załuski D, Kilian A. Phylogenetic Relationships between Four Salix L. Species Based on DArT Markers. International Journal of Molecular Sciences. 2013; 14(12):24113-24125.
Przyborowski, Jerzy A.; Sulima, Paweł; Kuszewska, Anna; Załuski, Dariusz; Kilian, Andrzej. 2013. "Phylogenetic Relationships between Four Salix L. Species Based on DArT Markers." Int. J. Mol. Sci. 14, no. 12: 24113-24125.