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242 83 99 Caballero, L., Martýn, L.M., Alvarez, J.B. 2004. Variation and genetic diversity for gliadins in Spanish spelt wheat accessions. Genet

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Basky, Zs. and Fónagy, A. (2003): Glutenin and gliadin contents of flour derived from wheat infested with different aphid species. Pest Manag. Sci. 59 , 426-430. Glutenin and gliadin

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Metakovsky, E.V., Novoselskaya, A.Yu. 1991. Gliadin allele identification in common wheat. I. Methodological aspects of the analysis of gliadin patterns by one-dimensional polyacrylamide gel electrophoresis. J. Genet. Breed. 5 :317

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Glutenin and gliadin subunits play a key role in flour processing quality by network formation in dough. Wild relatives of crops have served as a pool of genetic variation for decades. In this study, 180 accessions from 12 domesticated and wild relatives of wheat were characterized for the glutenin and gliadin genes with allele-specific molecular markers. A total of 24 alleles were detected for the Glu-A3 and Gli-2A loci, which out of 19 amplified products identified as new alleles. Analysis of molecular variance (AMOVA) indicated that 90 and 65% of the genetic diversity were partitioned within two Aegilops and Triticum genera and their species, respectively. Furthermore, all glutenin and gliadin analyzed loci were polymorphic, indicating large genetic diversity within and between the wild species. Our results revealed that allelic variation of Glu-3A and Gli-As.2 is linked to genomic constitutions so that, Ae. caudata (C genome), Ae. neglecta (UM genome), Ae. umbellulata (U genome) and T. urartu (Au genome) harbor wide variation in the studied subunits. Hence, these species can be used in wheat quality breeding programs.

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Cereal Research Communications
Authors: A. shahnejat Bushehri, A. Salavati, B. yazdi Samadi, M. Hassani and S. Shahnejat Bushehri

Brandlard, G., Dardevet, M., Nieto-Taladriz, M.T., Khelife, D. 1993 Allelic of omega gliadins as revealed by SDS-PAGE. Their possible implication in quality variation. Gluten 93 :234

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14 Bushuk W and R R Zillman, 1978: Wheat cultivar identification by gliadin electrophoregrams. I Apparatus, method and nomenclature. Can. J. Plant Sci. 58 : 505

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. 1989 77 689 700 Anderson, O.D., Hsia, C.C., Torres, V. 2001. The wheat γ -gliadin genes: Characterization of ten

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216 81 90 Dachkevitch, T., Redaelli, R., Biancardi, A.M., Metakovsky, E.V., Pogna, N.E. 1993. Genetics of gliadins coded by the group 1 chromosomes

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Cornish, G.B., Békés, F., Eagles, H.A., Payne, P.I. 2006. Prediction of dough properties for bread wheats. In: Wrigley, C., Békés, F., Bushuk, W. (eds), Gliadin and glutenin. AACC, St. Paul, Minnesota, USA, pp

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between gliadin bands and flour quality characteristics. J. Cereal Sci. 3 :329–343. Dardevet M. Diversity of grain proteins and bread wheat quality. I. Correlation between gliadin

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