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Sr33 & Sr35 gene homolog indentification in genomes of cereals related with Aegilops tauschii & Triticum monococcum

Ivaschuk B.V., Pirko Ya.V., Galkin A.P., Blume Ya.B.

 




SUMMARY. Using bioinformatics analysis, the homologues of the genes Sr33 and Sr35 were identifed in the genomes of Triticum aestivum, Hordeum vulgare and Triticum urartu. It is known that these genes provide resistance to hightly virulent wheat stem rust races (Ug99). To identify important for resistance amino acid sites, the comparison of the founded homologues with the Sr33 and Sr35 protein sequences was performed. It was found that the sequences S5DMA6 and E9P785 are the closest homologues of RGA1e protein Ц a product of the Sr33 gene, and the sequences M7YFA9 (CNL-C) and F2E9R2 are the homologues of CNL9 Ц a product of the gene Sr35. It is assumed that the homologues of the genes Sr33 and Sr35, which derived from the wild relatives of wheat and barley, can provide resistance to various forms of a stem rust and can be used in the future breeding programs for wheat improvement.

Tsitologiya i Genetika 2016, vol. 50, no. 4, pp. 26-37

E-mail: antutilo gmail.com

Ivaschuk B.V., Pirko Ya.V., Galkin A.P., Blume Ya.B. Sr33 & Sr35 gene homolog indentification in genomes of cereals related with Aegilops tauschii & Triticum monococcum, Tsitol Genet., 2016, vol. 50, no. 4, pp. 26-37.

In "Cytology and Genetics":
B. V. Ivaschuk, Ya. V. Pirko, A. P. Galkin, Ya. B. Blume Sr33 and Sr35 gene homolog identification in genomes of cereals related to Aegilops tauschii and Triticum monococcum, Cytol Genet., 2016, vol. 50, no. 4, pp. 221Ц230
DOI: 10.3103/S0095452716040058


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