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Draft genome sequence of subterranean clover, a reference for genus Trifolium

By H. Hirakawa, P. Kaur, K. Shirasawa, P. Nichols, S. Nagano, R. Appels, W. Erskine and S.N. Isobe


Clovers (genus Trifolium) are widely cultivated across the world as forage legumes and make a large contribution to livestock feed production and soil improvement. Subterranean clover (T. subterraneum L.) is well suited for genomic and genetic studies as a reference species in the Trifolium genus, because it is an annual with a simple genome structure (autogamous and diploid), unlike the other economically important perennial forage clovers, red clover (T. pratense) and white clover (T. repens). This report represents the first draft genome sequence of subterranean clover. The 471.8 Mb assembled sequence covers 85.4% of the subterranean clover genome and contains 42,706 genes. Eight pseudomolecules of 401.1 Mb in length were constructed, based on a linkage map consisting of 35,341 SNPs. The comparative genomic analysis revealed that different clover chromosomes showed different degrees of conservation with other Papilionoideae species. These results provide a reference for genetic and genomic analyses in the genus Trifolium and new insights into evolutionary divergence in Papilionoideae species

Publisher: Springer Nature
Year: 2016
DOI identifier: 10.1038/srep30358
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Provided by: Research Repository
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