A differentially methylated region of the ZmCCT10 promoter affects flowering time in hybrid maize
Flowering time (FT) is a key maize domestication trait, variation in which allows maize to grow in a wide range of latitudes. Although previous studies have investigated the genetic control of FT-related traits per se, few studies of FT hybrid performance have been published. We characterized the ge...
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| Format: | Article |
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KeAi Communications Co., Ltd.
2023-10-01
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| Series: | Crop Journal |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S221451412300079X |
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| author | Zhiqiang Zhou Xin Lu Chaoshu Zhang Mingshun Li Zhuanfang Hao Degui Zhang Hongjun Yong Jienan Han Xinhai Li Jianfeng Weng |
| author_facet | Zhiqiang Zhou Xin Lu Chaoshu Zhang Mingshun Li Zhuanfang Hao Degui Zhang Hongjun Yong Jienan Han Xinhai Li Jianfeng Weng |
| author_sort | Zhiqiang Zhou |
| collection | DOAJ |
| description | Flowering time (FT) is a key maize domestication trait, variation in which allows maize to grow in a wide range of latitudes. Although previous studies have investigated the genetic control of FT-related traits per se, few studies of FT hybrid performance have been published. We characterized the genomic architecture associated with hybrid performance for FT in a hybrid panel by testcrossing Chang 7–2 with 328 Ye478 × Qi319 recombinant inbred lines (RILs). We identified 11 quantitative trait loci (QTL) for hybrid performance in FT-related traits, including a major QTL qFH10 that controls hybrid performance and heterosis in a summer maize-growing region. However, this locus acts in regulating FT traits per se only in a spring maize-growing region. We validated ZmCCT10 as a candidate gene for qFH10 and found that differences between hybrids and their parental lines in DNA methylation in the differentially methylated region (DMR, –700 to –1520) of the ZmCCT10 promoter affected gene expression pattern and thereby FT in the summer maize-growing region. |
| first_indexed | 2024-03-11T18:19:39Z |
| format | Article |
| id | doaj.art-f5214e9ba7d64eefa74dd519cf38c391 |
| institution | Directory Open Access Journal |
| issn | 2214-5141 |
| language | English |
| last_indexed | 2024-03-11T18:19:39Z |
| publishDate | 2023-10-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Crop Journal |
| spelling | doaj.art-f5214e9ba7d64eefa74dd519cf38c3912023-10-16T04:12:27ZengKeAi Communications Co., Ltd.Crop Journal2214-51412023-10-0111513801389A differentially methylated region of the ZmCCT10 promoter affects flowering time in hybrid maizeZhiqiang Zhou0Xin Lu1Chaoshu Zhang2Mingshun Li3Zhuanfang Hao4Degui Zhang5Hongjun Yong6Jienan Han7Xinhai Li8Jianfeng Weng9Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaInstitute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaInstitute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaInstitute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaInstitute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaInstitute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaInstitute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaInstitute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaCorresponding authors.; Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaCorresponding authors.; Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaFlowering time (FT) is a key maize domestication trait, variation in which allows maize to grow in a wide range of latitudes. Although previous studies have investigated the genetic control of FT-related traits per se, few studies of FT hybrid performance have been published. We characterized the genomic architecture associated with hybrid performance for FT in a hybrid panel by testcrossing Chang 7–2 with 328 Ye478 × Qi319 recombinant inbred lines (RILs). We identified 11 quantitative trait loci (QTL) for hybrid performance in FT-related traits, including a major QTL qFH10 that controls hybrid performance and heterosis in a summer maize-growing region. However, this locus acts in regulating FT traits per se only in a spring maize-growing region. We validated ZmCCT10 as a candidate gene for qFH10 and found that differences between hybrids and their parental lines in DNA methylation in the differentially methylated region (DMR, –700 to –1520) of the ZmCCT10 promoter affected gene expression pattern and thereby FT in the summer maize-growing region.http://www.sciencedirect.com/science/article/pii/S221451412300079XMaizeFlowering timeHybrid performanceQTLEpigenetic |
| spellingShingle | Zhiqiang Zhou Xin Lu Chaoshu Zhang Mingshun Li Zhuanfang Hao Degui Zhang Hongjun Yong Jienan Han Xinhai Li Jianfeng Weng A differentially methylated region of the ZmCCT10 promoter affects flowering time in hybrid maize Crop Journal Maize Flowering time Hybrid performance QTL Epigenetic |
| title | A differentially methylated region of the ZmCCT10 promoter affects flowering time in hybrid maize |
| title_full | A differentially methylated region of the ZmCCT10 promoter affects flowering time in hybrid maize |
| title_fullStr | A differentially methylated region of the ZmCCT10 promoter affects flowering time in hybrid maize |
| title_full_unstemmed | A differentially methylated region of the ZmCCT10 promoter affects flowering time in hybrid maize |
| title_short | A differentially methylated region of the ZmCCT10 promoter affects flowering time in hybrid maize |
| title_sort | differentially methylated region of the zmcct10 promoter affects flowering time in hybrid maize |
| topic | Maize Flowering time Hybrid performance QTL Epigenetic |
| url | http://www.sciencedirect.com/science/article/pii/S221451412300079X |
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