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Nat Biotechnol. 2012 May 13;30(6):555-61. doi: 10.1038/nbt.2196.

Reference genome sequence of the model plant Setaria.

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  • 1The BioEnergy Science Center and the Department of Genetics, University of Georgia, Athens, Georgia, USA. maize@uga.edu

Abstract

We generated a high-quality reference genome sequence for foxtail millet (Setaria italica). The ∼400-Mb assembly covers ∼80% of the genome and >95% of the gene space. The assembly was anchored to a 992-locus genetic map and was annotated by comparison with >1.3 million expressed sequence tag reads. We produced more than 580 million RNA-Seq reads to facilitate expression analyses. We also sequenced Setaria viridis, the ancestral wild relative of S. italica, and identified regions of differential single-nucleotide polymorphism density, distribution of transposable elements, small RNA content, chromosomal rearrangement and segregation distortion. The genus Setaria includes natural and cultivated species that demonstrate a wide capacity for adaptation. The genetic basis of this adaptation was investigated by comparing five sequenced grass genomes. We also used the diploid Setaria genome to evaluate the ongoing genome assembly of a related polyploid, switchgrass (Panicum virgatum).

PMID:
22580951
[PubMed - indexed for MEDLINE]

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