ArticleBMC genomics2017
Molecular basis of African yam domestication: analyses of selection point to root development, starch biosynthesis, and photosynthesis related genes.
Article in BMC genomics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 26 citations in OpenAlex.
- Agro-Industrial Potential of Yam (Foods (Basel, Switzerland) · 2026Review
- Characterization of active transposable elements and their new insertions in tuber propagated greater yam (Dioscorea alata).BMC genomics · 2024Article
- Identification of diagnostic KASP-SNP markers for routine breeding activities in yam (Dioscorea spp.).The plant genome · 2024Article
- Variability and genetic merits of white Guinea yam landraces in Nigeria.Frontiers in plant science · 2023Article
- Cross compatibility in intraspecific and interspecific hybridization in yam (Dioscorea spp.).Scientific reports · 2022Article
- Hybridization, missing wild ancestors and the domestication of cultivated diploid bananas.Frontiers in plant science · 2022Article
- Identifying Genomic Regions Targeted During Eggplant Domestication Using Transcriptome Data.The Journal of heredity · 2021Article
- Integrated mRNA and miRNA transcriptome analysis reveals a regulatory network for tuber expansion in Chinese yam (Dioscorea opposita).BMC genomics · 2020Article
- Yam genomics supports West Africa as a major cradle of crop domestication.Science advances · 2019Article
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Authors and funding
10 authors at 6 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAfter cereals, root and tuber crops are the main source of starch in the human diet. Starch biosynthesis was certainly a significant target for selection during the domestication of these crops. But domestication of these root and tubers crops is also associated with gigantism of storage organs and changes of habitat.
resultsWe studied here, the molecular basis of domestication in African yam, Dioscorea rotundata. The genomic diversity in the cultivated species is roughly 30% less important than its wild relatives. Two percent of all the genes studied showed evidences of selection. Two genes associated with the earliest stages of starch biosynthesis and storage, the sucrose synthase 4 and the sucrose-phosphate synthase 1 showed evidence of selection. An adventitious root development gene, a SCARECROW-LIKE gene was also selected during yam domestication. Significant selection for genes associated with photosynthesis and phototropism were associated with wild to cultivated change of habitat. If the wild species grow as vines in the shade of their tree tutors, cultivated yam grows in full light in open fields.
conclusionsMajor rewiring of aerial development and adaptation for efficient photosynthesis in full light characterized yam domestication.
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