Relationships of wild and domesticated rices (Oryza AA genome species) based upon whole chloroplast genome sequences.

ABSTRACT: Rice is the most important crop in the world, acting as the staple food for over half of the world's population. The evolutionary relationships of cultivated rice and its wild relatives have remained contentious and inconclusive. Here we report on the use of whole chloroplast sequences to elucidate the evolutionary and phylogenetic relationships in the AA genome Oryza species, representing the primary gene pool of rice. This is the first study that has produced a well resolved and strongly supported phylogeny of the AA genome species. The pan tropical distribution of these rice relatives was found to be explained by long distance dispersal within the last million years. The analysis resulted in a clustering pattern that showed strong geographical differentiation. The species were defined i

SUBMITTER: Wambugu PW 

PROVIDER: S-EPMC4564799 | biostudies-literature | 2015 Sep

REPOSITORIES: biostudies-literature