| DOI | 10.3390/ijms25084569
|
| Transcription Factor McHB7 Improves Ice Plant Drought Tolerance through ABA Signaling Pathway |
| Zhang, Xuemei; Cheng, Zihan; Fan, Gaofeng; Zhu, Dan; Tan, Bowen; Jiang, Tingbo; Chen, Sixue
|
| 发表日期 | 2024
|
| ISSN | 1661-6596
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| EISSN | 1422-0067
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| 起始页码 | 25
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| 结束页码 | 8
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| 卷号 | 25期号:8 |
| 英文摘要 | As global climate change continues, drought episodes have become increasingly frequent. Studying plant stress tolerance is urgently needed to ensure food security. The common ice plant is one of the model halophyte plants for plant stress biology research. This study aimed to investigate the functions of a newly discovered transcription factor, Homeobox 7 (HB7), from the ice plant in response to drought stress. An efficient Agrobacterium-mediated transformation method was established in the ice plant, where ectopic McHB7 expression may be sustained for four weeks. The McHB7 overexpression (OE) plants displayed drought tolerance, and the activities of redox enzymes and chlorophyll content in the OE plants were higher than the wild type. Quantitative proteomics revealed 1910 and 495 proteins significantly changed in the OE leaves compared to the wild type under the control and drought conditions, respectively. Most increased proteins were involved in the tricarboxylic acid cycle, photosynthesis, glycolysis, pyruvate metabolism, and oxidative phosphorylation pathways. Some were found to participate in abscisic acid signaling or response. Furthermore, the abscisic acid levels increased in the OE compared with the wild type. McHB7 was revealed to bind to the promoter motifs of Early Responsive to Dehydration genes and abscisic acid-responsive genes, and protein-protein interaction analysis revealed candidate proteins responsive to stresses and hormones (e.g., abscisic acid). To conclude, McHB7 may contribute to enhance plant drought tolerance through abscisic acid signaling. |
| 英文关键词 | Mesembryanthemum crystallinum; McHB7; drought stress; proteomics; metabolomics; ABA signaling |
| 语种 | 英语
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| WOS研究方向 | Biochemistry & Molecular Biology
; Chemistry
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| WOS类目 | Biochemistry & Molecular Biology
; Chemistry, Multidisciplinary
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| WOS记录号 | WOS:001211109000001
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| 来源期刊 | INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
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| 文献类型 | 期刊论文
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| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/297428
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| 作者单位 | Yangtze University; Northeast Forestry University - China; State University System of Florida; University of Florida; Qingdao Agricultural University; University of Mississippi
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推荐引用方式
GB/T 7714 |
Zhang, Xuemei,Cheng, Zihan,Fan, Gaofeng,et al. Transcription Factor McHB7 Improves Ice Plant Drought Tolerance through ABA Signaling Pathway[J],2024,25(8).
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| APA |
Zhang, Xuemei.,Cheng, Zihan.,Fan, Gaofeng.,Zhu, Dan.,Tan, Bowen.,...&Chen, Sixue.(2024).Transcription Factor McHB7 Improves Ice Plant Drought Tolerance through ABA Signaling Pathway.INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES,25(8).
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| MLA |
Zhang, Xuemei,et al."Transcription Factor McHB7 Improves Ice Plant Drought Tolerance through ABA Signaling Pathway".INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES 25.8(2024).
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