We ran a comparative analysis of storage proteins (gliadins, high(HMW) and low-molecularweight (LMW) glutenins, puroindolines, and exogenous pest alpha-amylase inhibitors) in the Saratovskaya 29 cultivar line from the collection of a genetic engineering laboratory, its parental forms (Albidum 24 and Lutescens 55/11), and distant ancestors (Poltavka, Selivanovskiy Rusak, Sarroza, and tetraploid Beloturka). It was confirmed that the allelic states of storage proteins in the Gli-1, Gli-2 and Glu-1 loci originate from ancestral forms from the collection of the Vavilov Institute of Plant Industry. Moreover, new alleles were found in Lutescens 55/11 (Glu-A1a) and Selivanovskiy Rusak (Glu-B1b) cultivars from the collection of the Institute of Cytology and Genetics. A new allelic state, Ha, was observed in the loci of the Poltavka cultivar as a soft-grain cultivar, and the ha allele was found in the hard-grain Albidum 24 and Sarroza cultivars. It was found that the expression rate of exogenous pest alpha-amylase inhibitors in the Saratovskaya 29 cultivar line is lower than that of ancestral cultivars (Albidum 24, Sarroza, Poltavka, and Beloturka). Such inhibitors are absent in the paternal form Lutescens 55/11. A high expression rate of protein pest inhibitors for exogenous α-amylases and puroindolines was observed in the Poltavka cultivar. The allelic composition of Glu-1 loci was newly studied in the Sarroza cultivar, which has some promising features. The Saratovskaya 29 cultivar line, on the basis of which a wide range of diverse lines were created in the Institute of Cytology and Genetics, is isogenic for all of the studied traits.
Russian Journal of Genetics – Springer Journals
Published: Feb 2, 2016
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