Exceptional subgenome stability and functional divergence in the allotetraploid Ethiopian cereal teff.
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ABSTRACT:
SUBMITTER: VanBuren R
PROVIDER: S-EPMC7021729 | biostudies-literature | 2020 Feb
REPOSITORIES: biostudies-literature
Publications
Exceptional subgenome stability and functional divergence in the allotetraploid Ethiopian cereal teff.
VanBuren Robert R Man Wai Ching C Wang Xuewen X Pardo Jeremy J Yocca Alan E AE Wang Hao H Chaluvadi Srinivasa R SR Han Guomin G Bryant Douglas D Edger Patrick P PP Messing Joachim J Sorrells Mark E ME Mockler Todd C TC Bennetzen Jeffrey L JL Michael Todd P TP
Nature communications 20200214 1
Teff (Eragrostis tef) is a cornerstone of food security in the Horn of Africa, where it is prized for stress resilience, grain nutrition, and market value. Here, we report a chromosome-scale assembly of allotetraploid teff (variety Dabbi) and patterns of subgenome dynamics. The teff genome contains two complete sets of homoeologous chromosomes, with most genes maintaining as syntenic gene pairs. TE analysis allows us to estimate that the teff polyploidy event occurred ~1.1 million years ago (mya ...[more]
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