Abstract
Ninety-five wheat microsatellite markers (WMS) were used to verify the authenticity of the set of Saratovskaya 29/Yanetzkis Probat inter-varietal wheat chromosome substitution lines developed using Saratovskaya 29 as the recipient variety. Polymorphic markers were available for all chromosome arms except 4DS, 6DS and 7DS. Each chromosome substitution line was tested by 2–8 microsatellite markers. The results demonstrate that most of the lines are correct. Out of 21 lines tested 17 showed the expected microsatellite pattern of the donor variety. Two entire chromosomes, 1B and 7A, and two chromosome arms, 3AL and 6DS, were not substituted with Yanetzkis Probat in their respective lines. Three microsatellite markers located in the distal regions of chromosome arms 4AL, 3BS and 5BL in the corresponding substitution lines did not reveal the expected microsatellite pattern of the recipient variety. The possible causes of the incorrect substitution line development and the appearance of incorrect distal microsatellite markers are discussed. The data confirm the idea that microsatellite markers provide ideal tools for testing the authenticity of genetic stocks of wheat.
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Received: 27 August 1999 / Accepted: 8 October 1999
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Pestsova, E., Salina, E., Börner, A. et al. Microsatellites confirm the authenticity of inter-varietal chromosome substitution lines of wheat (Triticum aestivum L.). Theor Appl Genet 101, 95–99 (2000). https://doi.org/10.1007/s001220051455
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DOI: https://doi.org/10.1007/s001220051455