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Genetic evaluation of domestication-related traits in rice: implications for the archaeobotany of rice origins

Ishikawa, R; Castillo, CC; Fuller, DQ; (2020) Genetic evaluation of domestication-related traits in rice: implications for the archaeobotany of rice origins. Archaeological and Anthropological Sciences , 12 , Article 197. 10.1007/s12520-020-01112-3. Green open access

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Abstract

Domestication is the process in which preferred genetic changes in wild plants and animals have been selected by humans. In other words, domesticated plants have become adapted to being part of human-managed ecosystems. Asian cultivated rice, Oryza sativa L., is one of the most important crops in the world and is known to have been domesticated from its wild ancestor, O. rufipogon. Many morphological changes in cultivated rice have been beneficial to humans in terms of increased efficiency of cultivation and yield that supported the development of human civilisations. The genetic mechanisms of these changes have been extensively studied since rice genome sequences were determined, and based on genome analyses, the origin of rice has been widely discussed. Most of the domestication-related traits and genes are, however, often evaluated based on the genetic background of cultivated rice, leading to misinterpretation of rice domestication. Here, we review several genetic changes and discuss the importance of evaluating these traits in the wild rice genetic background to understand the process of rice domestication. In this review, we also provide a phenotypic evaluation of domestication-related traits.

Type: Article
Title: Genetic evaluation of domestication-related traits in rice: implications for the archaeobotany of rice origins
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/s12520-020-01112-3
Publisher version: https://doi.org/10.1007/s12520-020-01112-3
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Palaeoethnobotany, Oryza sativa, Domestication, Genome, Seed shattering, Awn
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Institute of Archaeology
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Institute of Archaeology > Institute of Archaeology Gordon Square
URI: https://discovery.ucl.ac.uk/id/eprint/10114714
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