DNA polymorphisms and haplotype patterns of transcription factors involved in barley endosperm development are associated with key agronomic traits.

ABSTRACT:

Background

Association mapping is receiving considerable attention in plant genetics for its potential to fine map quantitative trait loci (QTL), validate candidate genes, and identify alleles of interest. In the present study association mapping in barley (Hordeum vulgare L.) is investigated by associating DNA polymorphisms with variation in grain quality traits, plant height, and flowering time to gain further understanding of gene functions involved in the control of these traits. We focused on the four loci BLZ1, BLZ2, BPBF and HvGAMYB that play a role in the regulation of B-hordein expression, the major fraction of the barley storage protein. The association was tested in a collection of 224 spring barley accessions using a two-stage mixed model approach.

Results

Within

SUBMITTER: Haseneyer G 

PROVIDER: S-EPMC2822787 | biostudies-literature | 2010 Jan

REPOSITORIES: biostudies-literature