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Genetic basis and adaptation trajectory of soybean from its temperate origin to tropics

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Dong, L, Fang, C, Cheng, Q, Su, T, Kou, K, Kong, L, Zhang, C, Li, H, Hou, Z, Zhang, Y, Chen, L, Yue, L, Wang, L, Wang, K, Li, Y, Gan, Z, Yuan, X, Weller, JL ORCID: 0000-0003-2423-8286, Lu, S, Kong, F and Liu, B 2021 , 'Genetic basis and adaptation trajectory of soybean from its temperate origin to tropics' , Nature Communications, vol. 12 , pp. 1-11 , doi: 10.1038/s41467-021-25800-3.

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Abstract

Soybean (Glycine max) serves as a major source of protein and edible oils worldwide. The genetic and genomic bases of the adaptation of soybean to tropical regions remain largely unclear. Here, we identify the novel locus Time of Flowering 16 (Tof16), which confers delay flowering and improve yield at low latitudes and determines that it harbors the soybean homolog of LATE ELONGATED HYPOCOTYL (LHY). Tof16 and the previously identified J locus genetically additively but independently control yield under short-day conditions. More than 80% accessions in low latitude harbor the mutations of tof16 and j, which suggests that loss of functions of Tof16 and J are the major genetic basis of soybean adaptation into tropics. We suggest that maturity and yield traits can be quantitatively improved by modulating the genetic complexity of various alleles of the LHY homologs, J and E1. Our findings uncover the adaptation trajectory of soybean from its temperate origin to the tropics.

Item Type: Article
Authors/Creators:Dong, L and Fang, C and Cheng, Q and Su, T and Kou, K and Kong, L and Zhang, C and Li, H and Hou, Z and Zhang, Y and Chen, L and Yue, L and Wang, L and Wang, K and Li, Y and Gan, Z and Yuan, X and Weller, JL and Lu, S and Kong, F and Liu, B
Keywords: soybean, adaption, genetics, tropics
Journal or Publication Title: Nature Communications
Publisher: Nature Publishing Group
ISSN: 2041-1723
DOI / ID Number: 10.1038/s41467-021-25800-3
Copyright Information:

© The Author(s) 2021. Open Access This article is licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) License, (https://creativecommons.org/licenses/by/4.0/) which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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