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Cited by 292

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ZmCCT9 enhances maize adaptation to higher latitudes

Open access
Huang, Cheng, Sun, Huayue, Xu, Dingyi, Chen, Qiuyue, Liang, Yameng, Wang, Xufeng, Xu, Guanghui, Tian, Jinge, Wang, Chenglong, Li, Dan, Wu, Lishuan, Yang, Xiaohong, Jin, Weiwei, Doebley, John F., Tian, Feng·2018·Proceedings of the National Academy of Sciences

Abstract

Significance: Flowering time is a critical determinant of crop adaptation to local environments. As a result of natural and artificial selection, maize has evolved a reduced photoperiod sensitivity to adapt to regions over 90° of latitude in the Americas. Here we show that a distant Harbinger-like transposon acts as a cis -regulatory element to repress ZmCCT9 expression to promote flowering under the long days of higher latitudes. The transposon at ZmCCT9 and another functional transposon at a second flowering-time gene, ZmCCT10 , arose sequentially following domestication and were targeted by selection as maize spread from the tropics to higher latitudes. Our results demonstrate that new functional variation created by transposon insertions helped maize to spread over a broad range of latitudes rapidly.

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Metadata

Authors
Huang, C., Sun, H., Xu, D., Chen, Q., Liang, Y., Wang, X., Xu, G., Tian, J., Wang, C., Li, D., Wu, L., Yang, X., Jin, W., Doebley, J. F., & Tian, F.
Venue
Proceedings of the National Academy of Sciences
Published
2017-12-26
Volume
115
Issue
2
Pages
E334-E341
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2776787822
Cited by
292
References
50
FWCI
18.01
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: ZmCCT9 enhances maize adaptation to higher latitudes. https://app.cochat.ai/papers/10.1073/pnas.1718058115
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Huang, C., Sun, H., Xu, D., Chen, Q., Liang, Y., Wang, X., Xu, G., Tian, J., Wang, C., Li, D., Wu, L., Yang, X., Jin, W., Doebley, J. F., & Tian, F. (2018). ZmCCT9 enhances maize adaptation to higher latitudes. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1718058115

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