Abstract
Highly sensitive real time PCR has been applied for the first time for the estimation of the heteroplasmy state of plant mtDNA using hydrolyzing fluorescent oligonucleotides probes. The copy numbers of the universal and N and Svulg specific markers in mtDNA of the N and Svulg sugar beet types are estimated using optimized real time PCR for an enlarged sample of plants of various lines and varieties; it was shown for the first time that heteroplasmy is a natural state of Beta vulgaris mtDNA of both the N and Svulg types. The quantity of the dominant and minor variants can differ by more than six orders of magnitude.
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Original Russian Text © A.G. Bragin, M.K. Ivanov, L.A. Fedoseeva, G.M. Dymshits, 2011, published in Vavilovskii Zhurnal Genetiki i Selektsii, 2011, Vol. 15, No. 3, pp. 524–530.
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Bragin, A.G., Ivanov, M.K., Fedoseeva, L.A. et al. Analysis of mitochondrial DNA heteroplasmy of fertile and male-sterile sugar beet plants (Beta vulgaris). Russ J Genet Appl Res 2, 53–57 (2012). https://doi.org/10.1134/S2079059712010030
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DOI: https://doi.org/10.1134/S2079059712010030