Wild and Weed Azuki Beans in Japan

Yamaguchi, Hirofumi

doi:10.1007/bf02866509

Cited by 50 publications

(31 citation statements)

References 11 publications

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“…In general, it is believed that adzuki bean cultigen, including landraces and improved cultivated variety, was domesticated from its putative wild progenitor (V. angularis var. nipponensis) (42). To investigate the genetic diversity variation and selective sweeps during adzuki bean domestication, we performed whole genome resequencing of 11 wild, 17 landraces, and 10 improved cultivars (SI Appendix, Table S30).…”

Section: Comparison Of Gene Families With Other Sequenced Legume Genomentioning

confidence: 99%

Genome sequencing of adzuki bean ( Vigna angularis ) provides insight into high starch and low fat accumulation and domestication

Yang

Tian

Chen

et al. 2015

Proc. Natl. Acad. Sci. U.S.A.

106

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Adzuki bean (Vigna angularis), an important legume crop, is grown in more than 30 countries of the world. The seed of adzuki bean, as an important source of starch, digestible protein, mineral elements, and vitamins, is widely used foods for at least a billion people. Here, we generated a high-quality draft genome sequence of adzuki bean by whole-genome shotgun sequencing. The assembled contig sequences reached to 450 Mb (83% of the genome) with an N50 of 38 kb, and the total scaffold sequences were 466.7 Mb with an N50 of 1.29 Mb. Of them, 372.9 Mb of scaffold sequences were assigned to the 11 chromosomes of adzuki bean by using a single nucleotide polymorphism genetic map. A total of 34,183 protein-coding genes were predicted. Functional analysis revealed that significant differences in starch and fat content between adzuki bean and soybean were likely due to transcriptional abundance, rather than copy number variations, of the genes related to starch and oil synthesis. We detected strong selection signals in domestication by the population analysis of 50 accessions including 11 wild, 11 semiwild, 17 landraces, and 11 improved varieties. In addition, the semiwild accessions were illuminated to have a closer relationship to the cultigen accessions than the wild type, suggesting that the semiwild adzuki bean might be a preliminary landrace and play some roles in the adzuki bean domestication. The genome sequence of adzuki bean will facilitate the identification of agronomically important genes and accelerate the improvement of adzuki bean.adzuki bean | genome sequence | starch synthesis genes | fat synthesis genes | domestication

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Section: Comparison Of Gene Families With Other Sequenced Legume Genomentioning

confidence: 99%

Genome sequencing of adzuki bean ( Vigna angularis ) provides insight into high starch and low fat accumulation and domestication

Yang

Tian

Chen

et al. 2015

Proc. Natl. Acad. Sci. U.S.A.

106

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“…of the subgenus Plectotropis were selected as outgroups based on their relationship with the ingroup described in the previous studies (Fatokun et al 1993, Goel et al 2002, Maréchal et al 1978, Yano et al 2004, Yasuda and Yamaguchi 1996. Wild, weedy and cultivated races were assigned in reference to the reports of Yamaguchi (1992) and Tomooka et al (2002b).…”

Section: Plant Materialsmentioning

confidence: 99%

“…The subgenus Ceratotropis of the genus Vigna includes five important legumes, mung bean [Vigna radiata (L. Maréchal], all of which are cultivated for the production of food, bean sprouts, sweet red-bean paste and materials for cultural ceremonies in Asia (Lumpkin and McClary 1994, Smartt 1990, Yamaguchi 1992. Among ca.…”

Section: Introductionmentioning

confidence: 99%

Phylogenetic Relationship of Wild and Cultivated Vigna (Subgenus Ceratotropis, Fabaceae) from Myanmar Based on Sequence Variations in Non-coding Regions of trnT-F

Tun

Yamaguchi

2007

Breed. Sci.

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For clarifying the phylogenetic diversity of fifteen species of the subgenus Ceratotropis, including seven wild and three cultivated Vigna species collected from Myanmar, sequence variations in three trnT-F non-coding regions of the chloroplast genome were analyzed. The Myanmar materials were clustered into two well differentiated groups, the azuki bean group and the mung bean group. Six Myanmar species were clustered into the azuki bean group, and four species into the mung bean group. The azuki bean group consisted of three subclades: angularis-nepalensis subclade, minima subclade and riukiuensis-nakashimae-umbellatahirtella-exilis subclade. No clear lineage differentiation was found among the three races of V. angularis and V. nepalensis. An accession from Myanmar, which showed similar morphological features to those of wild azuki bean, shared a 51-bp deletion with V. angularis and V. nepalensis. Three V. minima accessions showed a distinct clade. V. riukiuensis showed a nested relationship with V. nakashimae sistered to V. hirtella, V. umbellata and V. exilis. The mung bean group consisted of five radiated subclades. In the mung bean group, V. trinervia from Myanmar was clustered with V. reflexo-pilosa, and wild mung bean accessions with their cultivated accessions. A high level of substitution, indel and microsatellite variations in the trnT-F sequences indicated that mung bean (V. radiata) and black gram (V. mungo) are phylogenetically well differentiated in the mung bean group. Myanmar is considered to be an area overlapping two major groups of the subgenus Ceratotropis.

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“…The presumed wild ancestor of cultivated azuki bean is V. angularis var. nipponensis (Yamaguchi 1992). This wild species is distributed across a wide area from Japan, the Korean peninsula, and China to Nepal and Bhutan (Tomooka et al 2002).…”

mentioning

confidence: 99%

The Genetics of Domestication of the Azuki Bean (Vigna angularis)

Isemura²,

et al. 2008

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Genetic differences between azuki bean (Vigna angularis var. angularis) and its presumed wild ancestor (V. angularis var. nipponensis) were resolved into QTL for traits associated with adaptation to their respective distinct habits. A genetic linkage map constructed using progenies from a cross between Japanese cultivated and wild azuki beans covers 92.8% of the standard azuki bean linkage map. A reciprocal translocation between cultivated and wild azuki bean parents was identified on the basis of the linkage map having a pseudolinkage group and clustering of seed productivity-related QTL with large effect near the presumed breakpoints. In total, 162 QTL were identified for 46 domestication-related traits. Domestication of azuki bean has involved a trade-off between seed number and seed size: fewer but longer pods and fewer but larger seeds on plants with shorter stature in cultivated azuki bean being at the expense of overall seed yield. Genes found related to germination and flowering time in cultivated azuki bean may confer a selective advantage to the hybrid derivatives under some ecological conditions and may explain why azuki bean has evolved as a crop complex in Japan.

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Wild and Weed Azuki Beans in Japan

Cited by 50 publications

References 11 publications

Genome sequencing of adzuki bean ( Vigna angularis ) provides insight into high starch and low fat accumulation and domestication

Genome sequencing of adzuki bean ( Vigna angularis ) provides insight into high starch and low fat accumulation and domestication

Phylogenetic Relationship of Wild and Cultivated Vigna (Subgenus Ceratotropis, Fabaceae) from Myanmar Based on Sequence Variations in Non-coding Regions of trnT-F

The Genetics of Domestication of the Azuki Bean (Vigna angularis)

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