STUDY OF DURUM WHEAT FOR FLOUR QUALITY CHARACTERISTICS AND GENETIC HOMOGENEITY, USING SEED STORAGE PROTEIN MARKERS

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BAHRAEI SEDIGHEH

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Journal: Seed and Plant Year:2000 | Volume:16 | Issue:2 Page(s): 192-209

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Title

STUDY OF DURUM WHEAT FOR FLOUR QUALITY CHARACTERISTICS AND GENETIC HOMOGENEITY, USING SEED STORAGE PROTEIN MARKERS

Author(s)

BAHRAEI SEDIGHEH | Issue Writer Certificate

Keywords

DURUM WHEATQ2

HIGH AND LOW MOLECULAR WEIGHT- GLUTENIN SUBUNITSQ4

GLIADINSQ4

RECOMBINANTQ3

NATURAL BIOTYPEQ4

Abstract

Twenty-one promising lines and cultivars of DURUM WHEAT were studied electrophoretically for the seed storage protein variation at the Glu-A1 Glu-B1, and Gli-B1/Glu-B3 loci. Allelic variation at the above loci was identified according to the International Nomenclature Systems. Most of the lines and cultivars were homogene for seed storage proteins, whereas in some cases the existence of intracultivar heterogeneity was observed. Gliadin components in an off-type genotype in cultivar Lican showed two bands of slow mobility in (J)region which are characteristic of D genome of bread wheat. In all samples analysed low molecular weight glutenin-subunits type-1 (LMW-1) and type-2 (LMW-2) were accompanied with γ 42 and γ 45 GLIADINS, respectively. However in cultivar Bronte which is a progeny of a cross between cultivar Berillo (recombinant, LMW-2, γ42, ω35) and Latino (LMW-1 / γ 42, ω 33-35-38)), LMW-2 was accompanied with y 42 and (J) 35 GLIADINS. Out of 24 seeds analysed in this cultivar, two showed gliadin and LMW-glutenin subunit composition as those in cultivar Latino. Twenty of 21 lines and cultivars analysed showed inactivity at the Glu-A1x locus. In the remaining Line (line-7) a novel high molecular weight glutenin subunit (HMW-G.S.) of slow mobility was observed and named subunit 1.2. Three types of HMW-G. subunit (7 +8, 7+ 151 and 20) were observed at the Glu-B1 locus, in this study. Only five of 21 lines and cultivars analysed, showed type-1 and the remainings showed type-2 of the B-group of the LMW-G. subunits. The results of the present study can be used in DURUM WHEAT breeding programs for improving the flour quality and increasing the purity of the lines.

Cites

ANALYSIS OF GENETIC VARIATION IN ‘SARDARI’ DERIVATIVE WHEAT LINES USING MICROSATELLITE MARKERS

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APA: Copy

BAHRAEI, SEDIGHEH. (2000). STUDY OF DURUM WHEAT FOR FLOUR QUALITY CHARACTERISTICS AND GENETIC HOMOGENEITY, USING SEED STORAGE PROTEIN MARKERS. SEED AND PLANT, 16(2), 192-209. SID. https://sid.ir/paper/20503/en

Vancouver: Copy

BAHRAEI SEDIGHEH. STUDY OF DURUM WHEAT FOR FLOUR QUALITY CHARACTERISTICS AND GENETIC HOMOGENEITY, USING SEED STORAGE PROTEIN MARKERS. SEED AND PLANT[Internet]. 2000;16(2):192-209. Available from: https://sid.ir/paper/20503/en

IEEE: Copy

SEDIGHEH BAHRAEI, “STUDY OF DURUM WHEAT FOR FLOUR QUALITY CHARACTERISTICS AND GENETIC HOMOGENEITY, USING SEED STORAGE PROTEIN MARKERS,” SEED AND PLANT, vol. 16, no. 2, pp. 192–209, 2000, [Online]. Available: https://sid.ir/paper/20503/en

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