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  • Title: An improved high-quality genome assembly and annotation of Tibetan hulless barley.
    Author: Zeng X, Xu T, Ling Z, Wang Y, Li X, Xu S, Xu Q, Zha S, Qimei W, Basang Y, Dunzhu J, Yu M, Yuan H, Nyima T.
    Journal: Sci Data; 2020 May 08; 7(1):139. PubMed ID: 32385314.
    Abstract:
    Hulless barley (Hordeum vulgare L. var. nudum) is a barley variety that has loose husk cover of the caryopses. Because of the ease in processing and edibility, hulless barley has been locally cultivated and used as human food. For example, in Tibetan Plateau, hulless barley is the staple food for human and essential livestock feed. Although the draft genome of hulless barley has been sequenced, the assembly remains fragmented. Here, we reported an improved high-quality assembly and annotation of the Tibetan hulless barley genome using more than 67X PacBio long-reads. The N50 contig length of the new assembly is at least more than 19 times larger than other available barley assemblies. The new genome assembly also showed high gene completeness and high collinearity of genome synteny with the previously reported barley genome. The new genome assembly and annotation will not only remove major hurdles in genetic analysis and breeding of hulless barley, but will also serve as a key resource for studying barley genomics and genetics.
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