Identification of Novel ω -gliadin Gene in Aegilops tauschii Using RFLP

Abstract

A RFLP approach was used to investigate polymorphism of ω -gliadin genes in Ae. tauschii using a F 2 population from the cross of accessions AUS18913 and CPI110856. A set of 150 F 2 progenies was genotyped by acid polyacrylamide gel electrophoresis (A-PAGE) and only one recombinant line of Gli-Dt1/Gli-DtT1 was observed. Twelve restriction enzymes were initially tested on genomic DNA of the two parents of which four restriction enzymes revealed polymorphism. Of these four, only Dra I was associated with the novel ω -gliadin gene (T 1) using a 1,200 bp DNA fragment of a ω -gliadin gene as a gene-specific probe. The ω -gliadin gene (T 1) may be of interest for further studies relating storage proteins and wheat bread-making quality.

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Correspondence to M. E. Hassani.

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Hassani, M.E., Naghavi, M.R., Shariflou, M.R. et al. Identification of Novel ω -gliadin Gene in Aegilops tauschii Using RFLP. CEREAL RESEARCH COMMUNICATIONS 37, 75–82 (2009). https://doi.org/10.1556/CRC.37.2009.1.9

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Keywords

  • RFLP
  • ω -gliadin genes
  • A-PAGE
  • Ae. tauschii