Plant Soil Environ., 2010, 56(2):82-86 | DOI: 10.17221/2435-PSE

Identification of Triticum aestivum L., Triticum spelta L. and Triticum durum DESF. genotypes on the HMW-GS base

V. Oslovičová, Z. Gálová, M. Chňapek, ®. Baláľová
Department of Biochemistry and Biotechnology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Nitra, Slovak Republic

The main goal of this work was to identify genotypes of three wheat species Triticum aestivum L., Triticum spelta L., Triticum durum DESF.) on the basis of individual high-molecular-weight glutenin subunits (HMW-GS) and to predict their technological quality. Detection of HMW-GS was carried out by the standard reference method ISTA SDS-PAGE and the Glu-score was calculated according to the catalogue of alleles for HMW-GS. Among the common wheat varieties the highest Glu-score (10) was determined for the cultivars Axis, Istra and Solara. The most frequently occurring HMW-GS in genotypes of Triticum aestivum L. were 0; 7 + 9; 5 + 10. On the other hand, in the spelt wheat the highest frequency of HMW-GS was detected for 2*; 6 + 8; 2 + 12. The Glu-score for Triticum spelta L. genotypes ranged from 6 to 8. Among the Triticum durum DESF. cultivars, up to 71% were characterized by Glu-score 4, which predetermines them for special baking purposes. The most frequent combination of HMW-GS in durum wheat was 0 and 7 + 8. Thus, SDS PAGE of HMW-GS can be used for identification, differentiation and characterization of different species of wheat and for prediction of bread-making quality of wheat.

Keywords: Triticum aestivum L., HMW-GS, Glu-score, SDS-PAGE

Published: February 28, 2010  Show citation

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Oslovičová V, Gálová Z, Chňapek M, Baláľová ®. Identification of Triticum aestivum L., Triticum spelta L. and Triticum durum DESF. genotypes on the HMW-GS base. Plant Soil Environ. 2010;56(2):82-86. doi: 10.17221/2435-PSE.
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