The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.
ZmCCT and the genetic basis of day-length adaptation underlying the postdomestication spread of maize
Open accessAbstract
Teosinte, the progenitor of maize, is restricted to tropical environments in Mexico and Central America. The pre-Columbian spread of maize from its center of origin in tropical Southern Mexico to the higher latitudes of the Americas required postdomestication selection for adaptation to longer day lengths. Flowering time of teosinte and tropical maize is delayed under long day lengths, whereas temperate maize evolved a reduced sensitivity to photoperiod. We measured flowering time of the maize nested association and diverse association mapping panels in the field under both short and long day lengths, and of a maize-teosinte mapping population under long day lengths. Flowering time in maize is a complex trait affected by many genes and the environment. Photoperiod response is one component of flowering time involving a subset of flowering time genes whose effects are strongly influenced by day length. Genome-wide association and targeted high-resolution linkage mapping identified ZmCCT , a homologue of the rice photoperiod response regulator Ghd7, as the most important gene affecting photoperiod response in maize. Under long day lengths ZmCCT alleles from diverse teosintes are consistently expressed at higher levels and confer later flowering than temperate maize alleles. Many maize inbred lines, including some adapted to tropical regions, carry ZmCCT alleles with no sensitivity to day length. Indigenous farmers of the Americas were remarkably successful at selecting on genetic variation at key genes affecting the photoperiod response to create maize varieties adapted to vastly diverse environments despite the hindrance of the geographic axis of the Americas and the complex genetic control of flowering time.
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Cites
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Self-citationEvolution, consequences and future of plant and animal domestication
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Natural variation in Ghd7 is an important regulator of heading date and yield potential in rice
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Self-citationThe Genetic Architecture of Maize Flowering Time
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Self-citationDwarf8 polymorphisms associate with variation in flowering time
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Self-citationGenetic Properties of the Maize Nested Association Mapping Population
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Cited by
De novo assembly, annotation, and comparative analysis of 26 diverse maize genomes
Hufford, M. B., Seetharam, A. S., Woodhouse, M. R., Chougule, K. M., Ou, S., Liu, J., Ricci, W. A., Guo, T., Olson, A., Qiu, Y., et al. (2021) · Science · doi:10.1126/science.abg5289 · Cited by 747
Self-citationZmCCT9 enhances maize adaptation to higher latitudes
Huang, C., Sun, H., Xu, D., Chen, Q., Liang, Y., Wang, X., Xu, G., Tian, J., Wang, C., Li, D., et al. (2018) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1718058115 · Cited by 292
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Castelletti, S., Tuberosa, R., Pindo, M., & Salvi, S. (2014) · G3 Genes|Genomes|Genetics · doi:10.1534/g3.114.010686 · Cited by 121
Metadata
- Authors
- Hung, H.-Y., Shannon, L. M., Tian, F., Bradbury, P. J., Chen, C., Flint-Garcia, S. A., McMullen, M. D., Ware, D., Buckler, E. S., Doebley, J. F., & Holland, J. B.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2012-06-18
- Volume
- 109
- Issue
- 28
- Pages
- E1913-21
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W1964716921
- Cited by
- 332
- References
- 36
- FWCI
- 11.34
- Type
- journal article
- Language
- en
- Open access
- green
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- Hung, H.-Y., Shannon, L. M., Tian, F., Bradbury, P. J., Chen, C., Flint-Garcia, S. A., McMullen, M. D., Ware, D., Buckler, E. S., Doebley, J. F., & Holland, J. B. (2012). ZmCCT and the genetic basis of day-length adaptation underlying the postdomestication spread of maize. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1203189109
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