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Ji, Gaoxiang; Liang, Chengzhen; Cai, Yingfan; Pan, Zhaoe; Meng, Zhigang; Li, Yanyan; Jia, Yinhua; Miao, Yuchen; Pei, Xinxin; Gong, Wenfang; Wang, Xiaoyang; Gao, Qiong; Peng, Zhen; Wang, Liru; Sun, Junling; Geng, Xiaoli; Wang, Pengpeng; Chen, Baojun; Wang, Peilin; Zhu, Tao; He, Shoupu; Zhang, Rui; Du, Xiongming
The New phytologist, February 2021, 2021-02-00, 20210201, Letnik: 229, Številka: 4Journal Article
Summary Improving yield is a primary mission for cotton (Gossypium hirsutum) breeders; development of cultivars with suitable architecture for high planting density (HPDA) can increase yield per unit area. We characterized a natural cotton mutant, AiSheng98 (AS98), which exhibits shorter height, shorter branch length, and more acute branch angle than wild‐type. A copy number variant at the HPDA locus on Chromosome D12 (HPDA‐D12), encoding a dehydration‐responsive element‐binding (DREB) transcription factor, GhDREB1B, strongly affects plant architecture in the AS98 mutant. We found an association between a tandem duplication of a c. 13.5 kb segment in HPDA‐D12 and elevated GhDREB1B expression resulting in the AS98 mutant phenotype. GhDREB1B overexpression confers a significant decrease in plant height and branch length, and reduced branch angle. Our results suggest that fine‐tuning GhDREB1B expression may be a viable engineering strategy for modification of plant architecture favorable to high planting density in cotton.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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