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Comparative molecular-genetic mapping of genomes of rye (Secale cereale L.) and other cereals

Malyshev S.V., Korzun V.N., Zaben`kova K.I., Vojlokov A.V., Berner A., Kartel N.A.

 


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The genetic map of rye consisting of 149 RFLP, 20 isozyme and 12 microsatellite markers has been developed. Using the collection of cross-hybridizing probes, the presence of multiple translocations in rye genome with respect to wheat and barley genomes was shown. However, within large regions of genome a strict collinearity of marker order was observed allowing us to use the method of comparative mapping for introduction of new genes. In the developed genetic map 18 morphological and breeding-valuable genes mapped in different rye populations were located. The comparative analysis of homeological loci in genomes of Triticeae species as well as in genomes of rice and maize was carried out. The genes controlling a number of morphological traits, plant height, photoperiodic response and winter/spring grouth habit were shown to be conservative among cereals and to form clear homoeologous rows.

Tsitologiya i Genetika 2003, vol. 37, no. 5, pp. 9-20



Malyshev S.V., Korzun V.N., Zaben`kova K.I., Vojlokov A.V., Berner A., Kartel N.A. Comparative molecular-genetic mapping of genomes of rye (Secale cereale L.) and other cereals, Tsitol Genet., 2003, vol. 37, no. 5, pp. 9-20.




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