Genome sequence of mungbean and insights into evolution within Vigna species
Mungbean ( Vigna radiata ) is a fast-growing, warm-season legume crop that is primarily cultivated in developing countries of Asia. Here we construct a draft genome sequence of mungbean to facilitate genome research into the subgenus Ceratotropis , which includes several important dietary legumes in...
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Veröffentlicht in: | Nature communications 2014-11, Vol.5 (1), p.5443-5443, Article 5443 |
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Sprache: | eng |
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Zusammenfassung: | Mungbean (
Vigna radiata
) is a fast-growing, warm-season legume crop that is primarily cultivated in developing countries of Asia. Here we construct a draft genome sequence of mungbean to facilitate genome research into the subgenus
Ceratotropis
, which includes several important dietary legumes in Asia, and to enable a better understanding of the evolution of leguminous species. Based on the
de novo
assembly of additional wild mungbean species, the divergence of what was eventually domesticated and the sampled wild mungbean species appears to have predated domestication. Moreover, the
de novo
assembly of a tetraploid
Vigna
species (
V. reflexo-pilosa
var.
glabra
) provides genomic evidence of a recent allopolyploid event. The species tree is constructed using
de novo
RNA-seq assemblies of 22 accessions of 18
Vigna
species and protein sets of
Glycine max
. The present assembly of
V. radiata
var.
radiata
will facilitate genome research and accelerate molecular breeding of the subgenus
Ceratotropis
.
Mungbean is a fast-growing and warm-season legume crop, cultivated mainly in Asia. Here, the authors sequence the genomes of both wild and domesticated mungbean varieties and, together with detailed transcriptome data, provide insight into mungbean domestication, polyploidization and speciation. |
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ISSN: | 2041-1723 2041-1723 |
DOI: | 10.1038/ncomms6443 |