ArticleScientific reports2017
Selection for Oil Content During Soybean Domestication Revealed by X-Ray Tomography of Ancient Beans.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 42 citations in OpenAlex.
- Chronology of early China: A radiocarbon databank for Chinese archaeology.Scientific data · 2025Article
- The discovery of adzuki bean (Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Article
- Genome-wide association studies reveal novel QTLs for agronomic traits in soybean.Frontiers in plant science · 2024Article
- Charring-induced morphological changes of Chinese "Five Grains": An experimental study.Frontiers in plant science · 2023Article
- Research on the evolutionary history of the morphological structure of cotton seeds: a new perspective based on high-resolution micro-CT technology.Frontiers in plant science · 2023Article
- POWR1 is a domestication gene pleiotropically regulating seed quality and yield in soybean.Nature communications · 2022Article
- Coupled and decoupled legumes and cereals in prehistoric northern and southern China.Frontiers in plant science · 2022Article
- Exotic foods reveal contact between South Asia and the Near East during the second millennium BCE.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- The domestication syndrome in vegetatively propagated field crops.Annals of botany · 2020Article
- Evolutionary aspects of direct or indirect selection for seed size and seed metabolites in Brassica juncea and diploid progenitor species.Molecular biology reports · 2019Article
- Seed coat thinning during horsegram (Macrotyloma uniflorum) domestication documented through synchrotron tomography of archaeological seeds.Scientific reports · 2017Article
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16 authors at 4 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
When and under what circumstances domestication related traits evolved in soybean (Glycine max) is not well understood. Seed size has been a focus of archaeological attention because increased soybean seed weight/size is a trait that distinguishes most modern soybeans from their ancestors; however, archaeological seed size analysis has had limited success. Modern domesticated soybean has a significantly higher oil content than its wild counterpart so oil content is potentially a source of new insight into soybean domestication. We investigated soybean oil content using X-ray computed tomography (CT; specifically, synchrotron radiation X-ray CT or SRX-CT) of charred, archaeological soybean seeds. CT identified holes in the specimens that are associated with oil content. A high oil content facilitates the development of small holes, whereas a high protein content results in larger holes. The volume of small holes increased slowly from 7,500 to 4,000 cal B.P. We infer that human selection for higher oil content began as early as 7,500 cal B.P. and that high oil content cultivars were well established by 4,000 cal B.P.
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