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GrainGenes Reference Report: TAG-89-179

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Reference	TAG-89-179
Title	Waxy protein deficiency and chromosomal location of coding genes in common wheat
Journal	Theoretical and Applied Genetics
Year	1994
Volume	89
Pages	179-184
Author	Yamamori M Nakamura T Endo T Nagamine T
Abstract	Deficiency of the wheat waxy (Wx) proteins (Wx-A1, Wx-B1 and Wx-D1) was studied in 1,960 cultivars derived from several countries. Gel electrophoretic analyses revealed that the null allele for the Wx-A1 protein occurred frequently in Korean, Japanese and Turkish wheats but was relatively rare in cultivars from other countries and regions. About 48% of the wheats deficient for the Wx-B1 protein were from Australia and India. One Chinese cultivar lacked the Wx-D1 protein. While 9 Japanese cultivars were deficient in both the Wx-A1 and Wx-B1 proteins, no cultivars lacked both the Wx-A1 and Wx-D1 proteins. both the Wx-B1 and Wx-D1 proteins or all three Wx proteins. Two-dimensional gel electrophoresis revealed polymorphisms of the three Wx proteins that varied according to isoelectric points or molecular weight. The Wx-A1 gene coding the Wx-A1 protein and the Wx-BI gene coding the Wx-B1 protein were localized in the distal regions of chromosome arms 7AS and 4AL, respectivelv, by deletion mapping using the deletion lines developed in the common wheat cultivar 'Chinese Spring'.
Keyword	[ Hide all but 1 of 26 ] alleles asia australia biochemical-polymorphism china chromosome cultivar deficiency gene-location geographical-distribution geographical-variation japan loci north america null-alleles. plant proteins structural genes triticum aestivum western-europe wx-a1 gene wx-a1-locus wx-a1-protein wx-b1 gene wx-b1-locus wx-b1-protein wx-d1-locus

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