Comparative transcriptome analysis reveals whole-genome duplications and gene selection patterns in cultivated and wild Chrysanthemum species.

ABSTRACT:

Key message

Comparative transcriptome analysis of wild and cultivated chrysanthemums provides valuable genomic resources and helps uncover common and divergent patterns of genome and gene evolution in these species. Plants are unique in that they employ polyploidy (or whole-genome duplication, WGD) as a key process for speciation and evolution. The Chrysanthemum genus is closely associated with hybridization and polyploidization, with Chrysanthemum species exhibiting diverse ploidy levels. The commercially important species, C. morifolium is an allohexaploid plant that is thought to have originated via the hybridization of several Chrysanthemum species, but the genomic and molecular evolutionary mechanisms remain poorly understood. In the present study, we sequenced and compared th

SUBMITTER: Won SY 

PROVIDER: S-EPMC5727146 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature