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Cited by 414

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Natural variation at the soybean J locus improves adaptation to the tropics and enhances yield

Open access
Lu, Sijia, Zhao, Xiaohui, Hu, Yilong, Liu, Shulin, Nan, Haiyang, Li, Xiaoming, Fang, Chao, Cao, Dong, Shi, Xinyi, Kong, Lingping, Su, Tong, Zhang, Fengge, Li, Shichen, Wang, Zheng, Yuan, Xiaohui, Cober, Elroy R, Weller, James L, Liu, Baohui, Hou, Xingliang, Tian, Zhixi, Kong, Fanjiang·2017·Nature Genetics

Abstract

Soybean is a major legume crop originating in temperate regions, and photoperiod responsiveness is a key factor in its latitudinal adaptation. Varieties from temperate regions introduced to lower latitudes mature early and have extremely low grain yields. Introduction of the long-juvenile (LJ) trait extends the vegetative phase and improves yield under short-day conditions, thereby enabling expansion of cultivation in tropical regions. Here we report the cloning and characterization of J, the major classical locus conferring the LJ trait, and identify J as the ortholog of Arabidopsis thaliana EARLY FLOWERING 3 (ELF3). J depends genetically on the legume-specific flowering repressor E1, and J protein physically associates with the E1 promoter to downregulate its transcription, relieving repression of two important FLOWERING LOCUS T (FT) genes and promoting flowering under short days. Our findings identify an important new component in flowering-time control in soybean and provide new insight into soybean adaptation to tropical regions.

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Metadata

Authors
Lu, S., Zhao, X., Hu, Y., Liu, S., Nan, H., Li, X., Fang, C., Cao, D., Shi, X., Kong, L., Su, T., Zhang, F., Li, S., Wang, Z., Yuan, X., Cober, E. R., Weller, J. L., Liu, B., Hou, X., Tian, Z., & Kong, F.
Venue
Nature Genetics
Published
2017-03-20
Volume
49
Issue
5
Pages
773-779
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2603716527
Cited by
414
References
34
FWCI
25.90
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Natural variation at the soybean J locus improves adaptation to the tropics and enhances yield. https://app.cochat.ai/papers/10.1038/ng.3819
The paper
Lu, S., Zhao, X., Hu, Y., Liu, S., Nan, H., Li, X., Fang, C., Cao, D., Shi, X., Kong, L., Su, T., Zhang, F., Li, S., Wang, Z., Yuan, X., Cober, E. R., Weller, J. L., Liu, B., Hou, X., . . . Kong, F. (2017). Natural variation at the soybean J locus improves adaptation to the tropics and enhances yield. Nature Genetics. https://doi.org/10.1038/ng.3819

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