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GrainGenes Reference Report: TAG-103-323

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Reference	TAG-103-323
Title	The wheat gamma-gliadin genes: characterization of ten new sequences and further understanding of gamma-gliadin gene family structure
Journal	Theoretical and Applied Genetics
Year	2001
Volume	103
Pages	323-330
Author	Anderson OD Hsia CC Torres V
Abstract	Summary: Ten new wheat gamma-gliadin gene sequences are reported and an analysis of gamma-gliadin gene family structure is carried out using all known gamma-gliadin sequences. The new sequences comprise four genomic clones with significantly more flanking DNA than previously reported, and six cDNA clones from a wheat endosperm EST project. Analysis of extended flanking DNA from the genomic clones indicates the limits of conservation of gamma-gliadin DNA sequence that are similar to those previously found with other gliadin and glutenin genes and that are theorized to define the DNA sequence necessary for gene control. Most of the flanking DNA is not homologous to any reported DNA sequence, and one flanking region contains the first MITE-like (miniature inverted transposable element) DNA sequence associated with gliadin genes. About a quarter of the encoded polypeptides would contain a free cysteine residue--an observation that may relate to reports that at least some gliadins can participate in wheat endosperm glutenin polymer formation. The new sequences represent both genes closely related to those previously reported and a new sub-class of gamma-gliadins
External Databases	http://link.springer-ny.com/link/service/journals/00122/bibs/1103002/11030323.htm
Keyword	[ Hide all but 1 of 42 ] cdna cdna clone clone conservation cysteine cysteine residue disulfide bond dna dna sequence durum wheat element endosperm est evolution family gamma gamma-gliadin gamma-gliadin genes gene gene family gene sequence gliadin gluten glutenin limits molecular characterization nucleotide sequence polymer polypeptide project quality region repeated dna-sequences residue sequence storage proteins structure transposable element weight glutenin subunits wheat endosperm wheat-gamma-gliadin zein genes

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