Presence of Triploids among Oak Species

Publication Type:Journal Article
Year of Publication:2007
Authors:A. Dzialuk, Chybicki, I., Welc, M., liwiska, E., Burczyk, J.
Journal:Annals of Botany (London)
Date Published:2007

Background and Aims: Polyploids, organisms that have multiple sets of chromosomes, are common in certain plant and animal taxa. However, there are only a few reports of intraspecific ploidy variation within the genus Quercus. The aim of the study was to investigate the suspected ploidy level of two oaks that have unusual microsatellite banding patterns.Methods: Polyploidy was investigated by using microsatellite analysis, stomata length measurements and nuclear DNA content estimation by flow cytometry. Key Results: Each putative triploid tree has patterns of microsatellite variation unexpected for diploid genomes, with up to three alleles at some loci, significantly longer stomata and 1

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