Duplication and independent selection of cell-wall invertase genes GIF1 and OsCIN1 during rice evolution and domestication.

ABSTRACT:

Background

Various evolutionary models have been proposed to interpret the fate of paralogous duplicates, which provides substrates on which evolution selection could act. In particular, domestication, as a special selection, has played important role in crop cultivation with divergence of many genes controlling important agronomic traits. Recent studies have indicated that a pair of duplicate genes was often sub-functionalized from their ancestral functions held by the parental genes. We previously demonstrated that the rice cell-wall invertase (CWI) gene GIF1 that plays an important role in the grain-filling process was most likely subjected to domestication selection in the promoter region. Here, we report that GIF1 and another CWI gene OsCIN1 constitute a pair of duplicate gene

SUBMITTER: Wang E 

PROVIDER: S-EPMC2873416 | biostudies-literature | 2010 Apr

REPOSITORIES: biostudies-literature