Genetic differentiation in the polyploid complex of <Emphasis Type="Italic">Suaeda corniculata</Emphasis> (C.A. Mey.) Bunge in Eastern Siberia |
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| Authors: | M N Lomonosova D E Nikonova M G Kutsev O V Dorogina A Yu Korolyuk |
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| Institution: | 1.Central Siberian Botanical Garden of the Siberian Branch of the Russian Academy of Sciences,Novosibirsk,Russia;2.South Siberian Botanical Garden,Altai State University,Barnaul,Russia |
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| Abstract: | Data on differentiation of the polyploid complex of Suaeda corniculata (C.A. Mey.) Bunge in East Siberia based on variability of morphological characteristics, karyological analysis, and genetic polymorphism in inter simple sequence repeat (ISSR) markers were given for the first time. It was established that the samples studied belonged to three cytotypes: diploids (2n = 2x = 18), tetraploids (2n = 4x = 36) and hexaploids (2n = 6x = 54). The analysis of variability of morphological characteristics by the method of principal coordinates showed division of the samples into three separate groups. On the basis of morphological and molecular-genetic methods, a genetically differentiated diploid population was revealed in Yakutia. |
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