Chromosome-based survey sequencing reveals the genome organization of wild wheat progenitor Triticum dicoccoides.

ABSTRACT: Wild emmer wheat (Triticum turgidum ssp. dicoccoides) is the progenitor of wheat. We performed chromosome-based survey sequencing of the 14 chromosomes, examining repetitive sequences, protein-coding genes, miRNA/target pairs and tRNA genes, as well as syntenic relationships with related grasses. We found considerable differences in the content and distribution of repetitive sequences between the A and B subgenomes. The gene contents of individual chromosomes varied widely, not necessarily correlating with chromosome size. We catalogued candidate agronomically important loci, along with new alleles and flanking sequences that can be used to design exome sequencing. Syntenic relationships and virtual gene orders revealed several small-scale evolutionary rearrangements, in addition to provid

SUBMITTER: Akpinar BA 

PROVIDER: S-EPMC6230948 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature