Genome Wide Association Mapping for Arabinoxylan Content in a Collection of Tetraploid Wheats.

ABSTRACT:

Background

Arabinoxylans (AXs) are major components of plant cell walls in bread wheat and are important in bread-making and starch extraction. Furthermore, arabinoxylans are components of soluble dietary fibre that has potential health-promoting effects in human nutrition. Despite their high value for human health, few studies have been carried out on the genetics of AX content in durum wheat.

Results

The genetic variability of AX content was investigated in a set of 104 tetraploid wheat genotypes and regions attributable to AX content were identified through a genome wide association study (GWAS). The amount of arabinoxylan, expressed as percentage (w/w) of the dry weight of the kernel, ranged from 1.8% to 5.5% with a mean value of 4.0%. The GWAS revealed a total of 37 sig

SUBMITTER: Marcotuli I 

PROVIDER: S-EPMC4503733 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature