Exploring the Loci Responsible for Awn Development in Rice through Comparative Analysis of All AA Genome Species.

ABSTRACT: Wild rice species have long awns at their seed tips, but this trait has been lost through rice domestication. Awn loss mitigates harvest and seed storage; further, awnlessness increases the grain number and, subsequently, improves grain yield in Asian cultivated rice, highlighting the contribution of the loss of awn to modern rice agriculture. Therefore, identifying the genes regulating awn development would facilitate the elucidation of a part of the domestication process in rice and increase our understanding of the complex mechanism in awn morphogenesis. To identify the novel loci regulating awn development and understand the conservation of genes in other wild rice relatives belonging to the AA genome group, we analyzed the chromosome segment substitution lines (CSSL). In this study, w

SUBMITTER: Bessho-Uehara K 

PROVIDER: S-EPMC8068336 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature