Quantitative trait loci and comparative genomics of cereal cell wall composition1

From: Plant Physiology | Date: May 1, 2003| Author: | Copyright information

Quantitative trait loci (QTLs) affecting sugar composition of the cell walls of maize (Zea mays) pericarp were mapped as an approach to the identification of genes involved in cereal wall biosynthesis. Mapping was performed using the IBM (B73 x Mo17) recombinant inbred line population. There were statistically significant differences between B73 and Mo17 in content of xylose (Xyl), arabinose (Ara), galactose (Gal), and glucose. Thirteen QTLs were found, affecting the content of XyL (two QTLs), Ara (two QTLs), Gal (five QTLs), GLc (two QTLs), Ara + Gal (one QTL), and XyL + Glc (one QTL). The ...

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