A PCR-based method for discriminating between high molecular weight glutenin subunits Bx7 and Bx7* in Triticum aestivum L
2012
Espí Plaza, Araceli | Giraldo Carbajo, Patricia | Rodriguez de Quijano Urquiaga, Marta | Carrillo Becerril, Jose Maria
The correct assignment of high molecular weight glutenin subunit variants is a key task in wheat breeding. However, the traditional analysis by protein electrophoresis is sometimes difficult and not very precise. This work describes a novel DNA marker for the accurate discrimination between the Glu-B1 locus subunits Bx7 and Bx7*. The analysis of one hundred and forty two bread wheat cultivars from different countries has highlighted a great number of misclassifications in the literature that could lead to wrong conclusions in studies of the relationship between glutenin composition and wheat quality.
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