1
|
Dong Y, Ma Y, Li Q, Cao Y, Dong D, Chen C, Zhang X, Fan Y, Jin X. Overexpression of histone demethylase gene SlJMJ18 and SlJMJ23 from tomato confers cadmium tolerance by regulating metal transport and hormone content in Arabidopsis. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 346:112169. [PMID: 38914158 DOI: 10.1016/j.plantsci.2024.112169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 06/16/2024] [Accepted: 06/18/2024] [Indexed: 06/26/2024]
Abstract
A lower concentration of cadmium (Cd), a hazardous and non-essential element for plant growth, will have deleterious effects on plants and endanger human health. Histone demethylase (JHDM) is important for plants' ability to withstand abiotic stress, according to an increasing number of studies. The degree of expression of the SlJMJ18 and SlJMJ23 genes in different tomato tissues was confirmed by this study. These two genes were responsive to the heavy metals Cd, Hg, Pb, and Cu stress, according to fluorescence quantification and GUS staining. Interestingly, the overexpression transgenic Arabidopsis plants of two genes have different responses to Cd stress. While SlJMJ18-OE lines consistently display Cd resistance but an early-flowering phenotype, SlJMJ23-OE plants have sensitivity during the post-germination stage and then greater tolerance to Cd stress. It was discovered that these two genes may affect cadmium tolerance of plants by regulating the expression of hormone synthesis related genes and hormone contents (BRs and ABA). Moreover, SlJMJ23 may resist cadmium stress by increasing the total phenol content in plants. The functional significance of JMJs is better understood in this study, which also offers a theoretical foundation for the use of molecular technology to develop plants resistant to Cd and an experimental basis for the efficient use of land resources.
Collapse
Affiliation(s)
- Yanlong Dong
- College of Life Science and Technology, Harbin Normal University, Harbin 150025, China; Horticulture Branch, Heilongjiang Academy of Agricultural Sciences, Harbin 150069, China
| | - Yufang Ma
- College of Life Science and Technology, Harbin Normal University, Harbin 150025, China; Heilongjiang Research Center of Genuine Wild Medicinal Materials Germplasm Resources, Harbin 150025, China
| | - Qian Li
- College of Life Science and Technology, Harbin Normal University, Harbin 150025, China; Heilongjiang Research Center of Genuine Wild Medicinal Materials Germplasm Resources, Harbin 150025, China
| | - Yaoliang Cao
- College of Life Science and Technology, Harbin Normal University, Harbin 150025, China; Heilongjiang Research Center of Genuine Wild Medicinal Materials Germplasm Resources, Harbin 150025, China
| | - Dingxiao Dong
- College of Life Science and Technology, Harbin Normal University, Harbin 150025, China; Heilongjiang Research Center of Genuine Wild Medicinal Materials Germplasm Resources, Harbin 150025, China
| | - Chao Chen
- College of Life Science and Technology, Harbin Normal University, Harbin 150025, China; Heilongjiang Research Center of Genuine Wild Medicinal Materials Germplasm Resources, Harbin 150025, China
| | - Xinxin Zhang
- College of Life Science and Technology, Harbin Normal University, Harbin 150025, China; Heilongjiang Research Center of Genuine Wild Medicinal Materials Germplasm Resources, Harbin 150025, China
| | - Yawen Fan
- College of Life Science and Technology, Harbin Normal University, Harbin 150025, China.
| | - Xiaoxia Jin
- College of Life Science and Technology, Harbin Normal University, Harbin 150025, China; Heilongjiang Research Center of Genuine Wild Medicinal Materials Germplasm Resources, Harbin 150025, China.
| |
Collapse
|
2
|
Yu S, Zhu J, Yin Y, Zhang X, Dai Y, Xing Y, Cheng X, Zhang A, Li C, Zhu Y, Ruan Y, Dong X, Fan J. Dynamic transcriptome profiling revealed a key gene ZmJMJ20 and pathways associated with cadmium stress in maize. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 277:116352. [PMID: 38663195 DOI: 10.1016/j.ecoenv.2024.116352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 03/26/2024] [Accepted: 04/17/2024] [Indexed: 06/06/2024]
Abstract
Cadmium (Cd) pollution in soil poses a global concern due to its serious impacts on human health and ecological security. In plants, tremendous efforts have been made to identify some key genes and pathways in Cd stress responses. However, studies on the roles of epigenetic factors in response to Cd stress were still limited. In the study, we first gain insight into the gene expression dynamics for maize seedlings under 0 h, 12 h, and 72 h Cd stress. As a result, six distinct groups of genes were identified by hierarchical clustering and principal component analysis. The key pathways associated with 12 h Cd stress were protein modifications including protein ubiquitination, signal transduction by protein phosphorylation, and histone modification. Whereas, under 72 h stress, main pathways were involved in biological processes including phenylalanine metabolism, response to oxygen-containing compounds and metal ions. Then to be noted, one of the most highly expressed genes at 12 h under Cd treatment is annotated as histone demethylases (ZmJMJ20). The evolutionary tree analysis and domain analysis showed that ZmJMJ20 belonged to the JmjC-only subfamily of the Jumonji-C (JmjC) family, and ZmJMJ20 was conserved in rice and Arabidopsis. After 72 h of Cd treatment, the zmjmj20 mutant created by EMS treatment manifested less severe chlorosis/leaf yellowing symptoms compared with wild-type plants, and there was no significant difference in Fv/Fm and φPSII value before and after Cd treatment. Moreover, the expression levels of several photosynthesis-related down-regulated genes in EMS mutant plants were dramatically increased compared with those in wild-type plants at 12 h under Cd treatment. Our results suggested that ZmJMJ20 plays an important role in the Cd tolerance response pathway and will facilitate the development of cultivars with improved Cd stress tolerance.
Collapse
Affiliation(s)
- Shuai Yu
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, China; Shenyang City Key Laboratory of Maize Genomic Selection Breeding, Shenyang, Liaoning 110866, China
| | - Jialun Zhu
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, China; Shenyang City Key Laboratory of Maize Genomic Selection Breeding, Shenyang, Liaoning 110866, China
| | - Yanzhe Yin
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, China; Shenyang City Key Laboratory of Maize Genomic Selection Breeding, Shenyang, Liaoning 110866, China
| | - Xiaoyu Zhang
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, China; Shenyang City Key Laboratory of Maize Genomic Selection Breeding, Shenyang, Liaoning 110866, China
| | - Yuxin Dai
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, China; Shenyang City Key Laboratory of Maize Genomic Selection Breeding, Shenyang, Liaoning 110866, China
| | - Yupeng Xing
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, China; Shenyang City Key Laboratory of Maize Genomic Selection Breeding, Shenyang, Liaoning 110866, China
| | - Xipeng Cheng
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, China; Shenyang City Key Laboratory of Maize Genomic Selection Breeding, Shenyang, Liaoning 110866, China
| | - Ao Zhang
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, China; Shenyang City Key Laboratory of Maize Genomic Selection Breeding, Shenyang, Liaoning 110866, China
| | - Cong Li
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, China; Shenyang City Key Laboratory of Maize Genomic Selection Breeding, Shenyang, Liaoning 110866, China
| | - Yanshu Zhu
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, China; Shenyang City Key Laboratory of Maize Genomic Selection Breeding, Shenyang, Liaoning 110866, China
| | - Yanye Ruan
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, China; Shenyang City Key Laboratory of Maize Genomic Selection Breeding, Shenyang, Liaoning 110866, China
| | - Xiaomei Dong
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, China; Shenyang City Key Laboratory of Maize Genomic Selection Breeding, Shenyang, Liaoning 110866, China.
| | - Jinjuan Fan
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning 110866, China; Shenyang City Key Laboratory of Maize Genomic Selection Breeding, Shenyang, Liaoning 110866, China.
| |
Collapse
|
3
|
Yu G, Chen D, Ye M, Wu X, Zhu Z, Shen Y, Mehareb EM, Esh A, Raza G, Wang K, Wang Q, Jin JB. H3K27 demethylase SsJMJ4 negatively regulates drought-stress responses in sugarcane. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:3040-3053. [PMID: 38310636 DOI: 10.1093/jxb/erae037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 02/02/2024] [Indexed: 02/06/2024]
Abstract
Sugarcane (Saccharum spp.), a leading sugar and energy crop, is seriously impacted by drought stress. However, the molecular mechanisms underlying sugarcane drought resistance, especially the functions of epigenetic regulators, remain elusive. Here, we show that a S. spontaneum KDM4/JHDM3 group JmjC protein, SsJMJ4, negatively regulates drought-stress responses through its H3K27me3 demethylase activity. Ectopic overexpression of SsJMJ4 in Arabidopsis reduced drought resistance possibly by promoting expression of AtWRKY54 and AtWRKY70, encoding two negative regulators of drought stress. SsJMJ4 directly bound to AtWRKY54 and AtWRKY70, and reduced H3K27me3 levels at these loci to ensure their proper transcription under normal conditions. Drought stress down-regulated both transcription and protein abundance of SsJMJ4, which was correlated with the reduced occupancy of SsJMJ4 at AtWRKY54 and AtWRKY70 chromatin, increased H3K27me3 levels at these loci, as well as reduced transcription levels of these genes. In S. spontaneum, drought stress-repressed transcription of SsWRKY122, an ortholog of AtWRKY54 and AtWRKY70, was associated with increased H3K27me3 levels at these loci. Transient overexpression of SsJMJ4 in S. spontaneum protoplasts raised transcription of SsWRKY122, paralleled with reduced H3K27me3 levels at its loci. These results suggest that the SsJMJ4-mediated dynamic deposition of H3K27me3 is required for an appropriate response to drought stress.
Collapse
Affiliation(s)
- Guangrun Yu
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
- School of Life Sciences, Nantong University, Nantong 226019, China
| | - Daoqian Chen
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
| | - Meiling Ye
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
| | - Xiaoge Wu
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
| | - Zhiying Zhu
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
| | - Yan Shen
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
| | - Eid M Mehareb
- Sugar Crops Research Institute, Agricultural Research Center, Giza 12619, Egypt
| | - Ayman Esh
- Sugar Crops Research Institute, Agricultural Research Center, Giza 12619, Egypt
| | - Ghulam Raza
- National Institute for Biotechnology and Genetic Engineering, Faisalabad, 38000, Pakistan
| | - Kai Wang
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
- School of Life Sciences, Nantong University, Nantong 226019, China
| | - Qiongli Wang
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou 350002, Fujian, China
| | - Jing Bo Jin
- Key Laboratory of Plant Molecular Physiology, Institute of Botany, Chinese Academy of Sciences, Beijing, China
- China National Botanical Garden, Beijing, China
- University of the Chinese Academy of Sciences, Beijing, China
- Academician Workstation of Agricultural High-tech Industrial Area of the Yellow River Delta, National Center of Technology Innovation for Comprehensive Utilization of Saline-Alkali Land, Dongying, Shandong, China
| |
Collapse
|
4
|
Fan Y, Sun C, Yan K, Li P, Hein I, Gilroy EM, Kear P, Bi Z, Yao P, Liu Z, Liu Y, Bai J. Recent Advances in Studies of Genomic DNA Methylation and Its Involvement in Regulating Drought Stress Response in Crops. PLANTS (BASEL, SWITZERLAND) 2024; 13:1400. [PMID: 38794470 PMCID: PMC11125032 DOI: 10.3390/plants13101400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 05/10/2024] [Accepted: 05/11/2024] [Indexed: 05/26/2024]
Abstract
As global arid conditions worsen and groundwater resources diminish, drought stress has emerged as a critical impediment to plant growth and development globally, notably causing declines in crop yields and even the extinction of certain cultivated species. Numerous studies on drought resistance have demonstrated that DNA methylation dynamically interacts with plant responses to drought stress by modulating gene expression and developmental processes. However, the precise mechanisms underlying these interactions remain elusive. This article consolidates the latest research on the role of DNA methylation in plant responses to drought stress across various species, focusing on methods of methylation detection, mechanisms of methylation pattern alteration (including DNA de novo methylation, DNA maintenance methylation, and DNA demethylation), and overall responses to drought conditions. While many studies have observed significant shifts in genome-wide or gene promoter methylation levels in drought-stressed plants, the identification of specific genes and pathways involved remains limited. This review aims to furnish a reference for detailed research into plant responses to drought stress through epigenetic approaches, striving to identify drought resistance genes regulated by DNA methylation, specific signaling pathways, and their molecular mechanisms of action.
Collapse
Affiliation(s)
- Youfang Fan
- State Key Laboratory of Aridland Crop Science, College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China; (Y.F.); (P.L.); (Z.B.); (P.Y.); (Z.L.); (Y.L.)
| | - Chao Sun
- State Key Laboratory of Aridland Crop Science, College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China; (Y.F.); (P.L.); (Z.B.); (P.Y.); (Z.L.); (Y.L.)
| | - Kan Yan
- School of Biological and Pharmaceutical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China;
| | - Pengcheng Li
- State Key Laboratory of Aridland Crop Science, College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China; (Y.F.); (P.L.); (Z.B.); (P.Y.); (Z.L.); (Y.L.)
| | - Ingo Hein
- The James Hutton Institute, Dundee DD2 5DA, UK; (I.H.); (E.M.G.)
| | | | - Philip Kear
- International Potato Center (CIP), CIP China Center for Asia Pacific (CCCAP), Beijing 102199, China;
| | - Zhenzhen Bi
- State Key Laboratory of Aridland Crop Science, College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China; (Y.F.); (P.L.); (Z.B.); (P.Y.); (Z.L.); (Y.L.)
| | - Panfeng Yao
- State Key Laboratory of Aridland Crop Science, College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China; (Y.F.); (P.L.); (Z.B.); (P.Y.); (Z.L.); (Y.L.)
| | - Zhen Liu
- State Key Laboratory of Aridland Crop Science, College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China; (Y.F.); (P.L.); (Z.B.); (P.Y.); (Z.L.); (Y.L.)
| | - Yuhui Liu
- State Key Laboratory of Aridland Crop Science, College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China; (Y.F.); (P.L.); (Z.B.); (P.Y.); (Z.L.); (Y.L.)
| | - Jiangping Bai
- State Key Laboratory of Aridland Crop Science, College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China; (Y.F.); (P.L.); (Z.B.); (P.Y.); (Z.L.); (Y.L.)
| |
Collapse
|
5
|
Jia J, Luo Y, Wu Z, Ji Y, Liu S, Shu J, Chen B, Liu J. OsJMJ718, a histone demethylase gene, positively regulates seed germination in rice. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 118:191-202. [PMID: 38116956 DOI: 10.1111/tpj.16600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 11/27/2023] [Accepted: 12/09/2023] [Indexed: 12/21/2023]
Abstract
Seed vigor has major impact on the rate and uniformity of seedling growth, crop yield, and quality. However, the epigenetic regulatory mechanism of crop seed vigor remains unclear. In this study, a (jumonji C) JmjC gene of the histone lysine demethylase OsJMJ718 was cloned in rice, and its roles in seed germination and its epigenetic regulation mechanism were investigated. OsJMJ718 was located in the nucleus and was engaged in H3K9 methylation. Histochemical GUS staining analysis revealed OsJMJ718 was highly expressed in seed embryos. Abiotic stress strongly induced the OsJMJ718 transcriptional accumulation level. Germination percentage and seedling vigor index of OsJMJ718 knockout lines (OsJMJ718-CR) were lower than those of the wild type (WT). Chromatin immunoprecipitation followed by sequencing (ChIP-seq) of seeds imbibed for 24 h showed an increase in H3K9me3 deposition of thousands of genes in OsJMJ718-CR. ChIP-seq results and transcriptome analysis showed that differentially expressed genes were enriched in ABA and ethylene signal transduction pathways. The content of ABA in OsJMJ718-CR was higher than that in WT seeds. OsJMJ718 overexpression enhanced sensitivity to ABA during germination and early seedling growth. In the seed imbibition stage, ABA and ethylene content diminished and augmented, separately, suggesting that OsJMJ718 may adjust rice seed germination through the ABA and ethylene signal transduction pathways. This study displayed the important function of OsJMJ718 in adjusting rice seed germination and vigor, which will provide an essential reference for practical issues, such as improving rice vigor and promoting direct rice sowing production.
Collapse
Affiliation(s)
- Junting Jia
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Yongjian Luo
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Zhiyuan Wu
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Yufang Ji
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Shuangxing Liu
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Jie Shu
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Bingxian Chen
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Jun Liu
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| |
Collapse
|
6
|
Yang L, Xu L, Guo J, Li A, Qi H, Wang J, Song S. SNAC1-OsERF103-OsSDG705 module mediates drought response in rice. THE NEW PHYTOLOGIST 2024; 241:2480-2494. [PMID: 38296835 DOI: 10.1111/nph.19552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 01/02/2024] [Indexed: 02/02/2024]
Abstract
Drought stress profoundly hampers both plant growth and crop yield. To combat this, plants have evolved intricate transcriptional regulation mechanisms as a pivotal strategy. Through a genetic screening with rice genome-scale mutagenesis pool under drought stress, we identified an APETALA2/Ethylene Responsive Factor, namely OsERF103, positively responds to drought tolerance in rice. Combining chromatin immunoprecipitation sequencing and RNA sequencing analyses, we pinpointed c. 1000 genes directly influenced by OsERF103. Further results revealed that OsERF103 interacts with Stress-responsive NAC1 (SNAC1), a positive regulator of drought tolerance in rice, to synergistically regulate the expression of key drought-related genes, such as OsbZIP23. Moreover, we found that OsERF103 recruits a Su(var)3-9,enhancer of zeste and trithorax-domain group protein 705, which encodes a histone 3 lysine 4 (H3K4)-specific methyltransferase to specifically affect the deposition of H3K4me3 at loci like OsbZIP23 and other genes linked to dehydration responses. Additionally, the natural alleles of OsERF103 are selected during the domestication of both indica and japonica rice varieties and exhibit significant geographic distribution. Collectively, our findings have unfurled a comprehensive mechanistic framework underlying the OsERF103-mediated cascade regulation of drought response. This discovery not only enhances our understanding of drought signaling but also presents a promising avenue for the genetic improvement of drought-tolerant rice cultivars.
Collapse
Affiliation(s)
- Lijia Yang
- State Key Laboratory of Rice Biology and Breeding, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Liang Xu
- State Key Laboratory of Rice Biology and Breeding, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Jiazhuo Guo
- State Key Laboratory of Rice Biology and Breeding, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Aipeng Li
- State Key Laboratory of Rice Biology and Breeding, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Haoyue Qi
- State Key Laboratory of Rice Biology and Breeding, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Jiaxuan Wang
- State Key Laboratory of Rice Biology and Breeding, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Shiyong Song
- State Key Laboratory of Rice Biology and Breeding, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| |
Collapse
|
7
|
Tang Q, Wang X, Jin X, Peng J, Zhang H, Wang Y. CRISPR/Cas Technology Revolutionizes Crop Breeding. PLANTS (BASEL, SWITZERLAND) 2023; 12:3119. [PMID: 37687368 PMCID: PMC10489799 DOI: 10.3390/plants12173119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 08/24/2023] [Accepted: 08/27/2023] [Indexed: 09/10/2023]
Abstract
Crop breeding is an important global strategy to meet sustainable food demand. CRISPR/Cas is a most promising gene-editing technology for rapid and precise generation of novel germplasm and promoting the development of a series of new breeding techniques, which will certainly lead to the transformation of agricultural innovation. In this review, we summarize recent advances of CRISPR/Cas technology in gene function analyses and the generation of new germplasms with increased yield, improved product quality, and enhanced resistance to biotic and abiotic stress. We highlight their applications and breakthroughs in agriculture, including crop de novo domestication, decoupling the gene pleiotropy tradeoff, crop hybrid seed conventional production, hybrid rice asexual reproduction, and double haploid breeding; the continuous development and application of these technologies will undoubtedly usher in a new era for crop breeding. Moreover, the challenges and development of CRISPR/Cas technology in crops are also discussed.
Collapse
Affiliation(s)
- Qiaoling Tang
- National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya 572024, China;
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
| | - Xujing Wang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
| | - Xi Jin
- Hebei Technology Innovation Center for Green Management of Soi-Borne Diseases, Baoding University, Baoding 071000, China;
| | - Jun Peng
- National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya 572024, China;
| | - Haiwen Zhang
- National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya 572024, China;
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
| | - Youhua Wang
- National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya 572024, China;
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
| |
Collapse
|
8
|
Gajardo HA, Gómez-Espinoza O, Boscariol Ferreira P, Carrer H, Bravo LA. The Potential of CRISPR/Cas Technology to Enhance Crop Performance on Adverse Soil Conditions. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12091892. [PMID: 37176948 PMCID: PMC10181257 DOI: 10.3390/plants12091892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/22/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023]
Abstract
Worldwide food security is under threat in the actual scenery of global climate change because the major staple food crops are not adapted to hostile climatic and soil conditions. Significant efforts have been performed to maintain the actual yield of crops, using traditional breeding and innovative molecular techniques to assist them. However, additional strategies are necessary to achieve the future food demand. Clustered regularly interspaced short palindromic repeat/CRISPR-associated protein (CRISPR/Cas) technology, as well as its variants, have emerged as alternatives to transgenic plant breeding. This novelty has helped to accelerate the necessary modifications in major crops to confront the impact of abiotic stress on agriculture systems. This review summarizes the current advances in CRISPR/Cas applications in crops to deal with the main hostile soil conditions, such as drought, flooding and waterlogging, salinity, heavy metals, and nutrient deficiencies. In addition, the potential of extremophytes as a reservoir of new molecular mechanisms for abiotic stress tolerance, as well as their orthologue identification and edition in crops, is shown. Moreover, the future challenges and prospects related to CRISPR/Cas technology issues, legal regulations, and customer acceptance will be discussed.
Collapse
Affiliation(s)
- Humberto A Gajardo
- Laboratorio de Fisiología y Biología Molecular Vegetal, Instituto de Agroindustria, Departamento de Ciencias Agronómicas y Recursos Naturales, Facultad de Ciencias Agropecuarias y Medioambiente & Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 1145, Chile
| | - Olman Gómez-Espinoza
- Laboratorio de Fisiología y Biología Molecular Vegetal, Instituto de Agroindustria, Departamento de Ciencias Agronómicas y Recursos Naturales, Facultad de Ciencias Agropecuarias y Medioambiente & Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 1145, Chile
- Centro de Investigación en Biotecnología, Escuela de Biología, Instituto Tecnológico de Costa Rica, Cartago 30101, Costa Rica
| | - Pedro Boscariol Ferreira
- Department of Biological Sciences, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo, Piracicaba 13418-900, Brazil
| | - Helaine Carrer
- Department of Biological Sciences, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo, Piracicaba 13418-900, Brazil
| | - León A Bravo
- Laboratorio de Fisiología y Biología Molecular Vegetal, Instituto de Agroindustria, Departamento de Ciencias Agronómicas y Recursos Naturales, Facultad de Ciencias Agropecuarias y Medioambiente & Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 1145, Chile
| |
Collapse
|
9
|
Zhao B, Yu H, Liu D, Wang J, Feng X, He F, Qi T, Du C, Wang L, Wang H, Li F. Combined Transcriptome and Metabolome Analysis Reveals Adaptive Defense Responses to DON Induction in Potato. Int J Mol Sci 2023; 24:ijms24098054. [PMID: 37175760 PMCID: PMC10179060 DOI: 10.3390/ijms24098054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/24/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023] Open
Abstract
Phytophthora infestans poses a serious threat to potato production, storage, and processing. Understanding plant immunity triggered by fungal elicitors is important for the effective control of plant diseases. However, the role of the potato stress response to Fusarium toxin deoxynivalenol (DON)-induced stress is still not fully understood. In this study, the metabolites of DON-treated potato tubers were studied for four time intervals using UPLC-MS/MS. We identified 676 metabolites, and differential accumulation metabolite analysis showed that alkaloids, phenolic acids, and flavonoids were the major differential metabolites that directly determined defense response. Transcriptome data showed that differentially expressed genes (DEGs) were significantly enriched in phenylpropane and flavonoid metabolic pathways. Weighted gene co-expression network analysis (WGCNA) identified many hub genes, some of which modulate plant immune responses. This study is important for understanding the metabolic changes, transcriptional regulation, and physiological responses of active and signaling substances during DON induction, and it will help to design defense strategies against Phytophthora infestans in potato.
Collapse
Affiliation(s)
- Biao Zhao
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Hang Yu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Agriculture, Guangxi University, Nanning 530005, China
| | - Dan Liu
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Jiaqi Wang
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Xu Feng
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Fumeng He
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Tianshuai Qi
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Chong Du
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Linlin Wang
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Haifeng Wang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Agriculture, Guangxi University, Nanning 530005, China
| | - Fenglan Li
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, China
| |
Collapse
|
10
|
Luo C, Akhtar M, Min W, Alam Y, Ma T, Shi Y, She Y, Lu X. The suppressed expression of a stress responsive gene 'OsDSR2' enhances rice tolerance in drought and salt stress. JOURNAL OF PLANT PHYSIOLOGY 2023; 282:153927. [PMID: 36682133 DOI: 10.1016/j.jplph.2023.153927] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 01/13/2023] [Accepted: 01/13/2023] [Indexed: 06/17/2023]
Abstract
Rice is a crucial staple food crop in many countries, yet, abiotic factors like salt and drought impact its growth. The Domain of Unknown Function 966 (DUF966) gene family may be crucial in how rice plants respond to abiotic stress. Our earlier research showed that overexpression of OsDSR2 (DUF966-stress repressive gene 2 in Oryza sativa) decreased resistance to salt and drought stress. To further understand how OsDSR2 negatively affects rice tolerance to salt and drought stress, transgenic rice plants with decreased OsDSR2 expression levels were created employing the RNAi technique. We investigated alterations in rice phenotype, physiology, and differentially expressed genes (DEGs) using a combination of physio-biochemical measurement and RNA-seq analysis. The results of the study demonstrated that rice seedling lines with OsDSR2 knockdown exhibited improved salt and drought stress tolerance. Statistical analysis revealed that the transgenic plants' survival rate (56-68%) was higher than the control plants (30%), in addition to a roughly 3 fold, 3.5 fold, 20% and 10.5% reduction in cell membrane permeability, malondialdehyde (MDA), superoxide anion radical (O2-) and hydrogen peroxide (H2O2) contents, respectively. However, the proline content and antioxidant enzymes (superoxide dismutase (SOD) and peroxidase (POD)) activities were considerably increased by about 5.5 fold, 3.5 fold, and 4.5 fold, respectively, at physiological levels. There were 115 up-regulated and 173 down-regulated DEGs in the leaves of the transgenic lines on the transcriptional regulation under the combined salt-drought stress. Among these, both up-regulation DEGs (e.g., OsHAK5, OsIAA25) and the down-regulation DEGs (e.g., OsbZIP23, OsERF48, OsAP2-39, etc.) may be related to the enhanced tolerance of the transgenic lines under combined salt-drought stress. This possibly depended on the involvement of abscisic acid (ABA) and indoleacetic acid (IAA) signaling pathways. These findings further confirmed that OsDSR2 negatively affected rice's ability to withstand salt and drought, suggesting that it could be a helpful gene for CRISPR-Cas9 technology-based genetic modification of rice's ability to withstand abiotic stress.
Collapse
Affiliation(s)
- Chengke Luo
- School of Agriculture, Ningxia University, Yinchuan, 750021, China.
| | - Maryam Akhtar
- College of Life Sciences, Northwest Normal University, Lanzhou, 730070, China
| | - Weifang Min
- School of Agriculture, Ningxia University, Yinchuan, 750021, China
| | - Yasir Alam
- College of Life Sciences, Northwest Normal University, Lanzhou, 730070, China
| | - Tianli Ma
- School of Agriculture, Ningxia University, Yinchuan, 750021, China
| | - Yafei Shi
- School of Agriculture, Ningxia University, Yinchuan, 750021, China
| | - Yangmengfei She
- School of Agriculture, Ningxia University, Yinchuan, 750021, China
| | - Xuping Lu
- School of Agriculture, Ningxia University, Yinchuan, 750021, China
| |
Collapse
|
11
|
Niu S, Gu X, Zhang Q, Tian X, Chen Z, Liu J, Wei X, Yan C, Liu Z, Wang X, Zhu Z. Grapevine bZIP transcription factor bZIP45 regulates VvANN1 and confers drought tolerance in Arabidopsis. FRONTIERS IN PLANT SCIENCE 2023; 14:1128002. [PMID: 36844077 PMCID: PMC9947540 DOI: 10.3389/fpls.2023.1128002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
Drought is a severe environmental condition that restricts the vegetative growth and reduces the yield of grapevine (Vitis vinifera L.). However, the mechanisms underlying grapevine response and adaptation to drought stress remain unclear. In the present study, we characterized an ANNEXIN gene, VvANN1, which plays a positive role in the drought stress response. The results indicated that VvANN1 was significantly induced by osmotic stress. Expression of VvANN1 in Arabidopsis thaliana enhanced osmotic and drought tolerance through modulating the level of MDA, H2O2, and O2 ·- at the seedling stage, implying that VvANN1 might be involved in the process of ROS homeostasis under drought or osmotic stress conditions. Moreover, we used yeast one-hybridization and chromatin immunoprecipitation assays to show that VvbZIP45 could regulate VvANN1 expression by directly binding to the promoter region of VvANN1 in response to drought stress. We also generated transgenic Arabidopsis that constitutively expressed the VvbZIP45 gene (35S::VvbZIP45) and further produced VvANN1Pro::GUS/35S::VvbZIP45 Arabidopsis plants via crossing. The genetic analysis results subsequently indicated that VvbZIP45 could enhance GUS expression in vivo under drought stress. Our findings suggest that VvbZIP45 may modulate VvANN1 expression in response to drought stress and reduce the impact of drought on fruit quality and yield.
Collapse
Affiliation(s)
- Shuaike Niu
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Research Center of the Basic Discipline of Cell Biology, Hebei Collaboration Innovation Center for Cell Signaling and Environmental Adaptation, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, China
- Grape Breeding, Shijiazhuang Institute of Pomology, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, China
| | - Xiangyang Gu
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Research Center of the Basic Discipline of Cell Biology, Hebei Collaboration Innovation Center for Cell Signaling and Environmental Adaptation, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, China
| | - Qian Zhang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Research Center of the Basic Discipline of Cell Biology, Hebei Collaboration Innovation Center for Cell Signaling and Environmental Adaptation, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, China
| | - Xuemin Tian
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Research Center of the Basic Discipline of Cell Biology, Hebei Collaboration Innovation Center for Cell Signaling and Environmental Adaptation, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, China
| | - Zhan Chen
- Grape Breeding, Shijiazhuang Institute of Pomology, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, China
| | - Jingru Liu
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Research Center of the Basic Discipline of Cell Biology, Hebei Collaboration Innovation Center for Cell Signaling and Environmental Adaptation, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, China
| | - Xiaoju Wei
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Research Center of the Basic Discipline of Cell Biology, Hebei Collaboration Innovation Center for Cell Signaling and Environmental Adaptation, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, China
| | - Chengxiang Yan
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Research Center of the Basic Discipline of Cell Biology, Hebei Collaboration Innovation Center for Cell Signaling and Environmental Adaptation, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, China
| | - Ziwen Liu
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Research Center of the Basic Discipline of Cell Biology, Hebei Collaboration Innovation Center for Cell Signaling and Environmental Adaptation, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, China
| | - Xiaoji Wang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Research Center of the Basic Discipline of Cell Biology, Hebei Collaboration Innovation Center for Cell Signaling and Environmental Adaptation, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, China
| | - Zhengge Zhu
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Research Center of the Basic Discipline of Cell Biology, Hebei Collaboration Innovation Center for Cell Signaling and Environmental Adaptation, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, China
| |
Collapse
|
12
|
Zheng M, Wang Q, Lei S, Yang D, Liu Y, Feng D, Huang X, Yang K, Qian J, Hsu YF. PtoMPO1, a negative mediator, functions in poplar drought tolerance. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 190:156-163. [PMID: 36115269 DOI: 10.1016/j.plaphy.2022.09.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 08/22/2022] [Accepted: 09/05/2022] [Indexed: 06/15/2023]
Abstract
Drought, as one of the most severe abiotic stresses in nature, adversely affects plant growth and development. Poplar is a woody plant which is prone to water-deficit sensitivity. Therefore, it is important to improve our understanding of how poplar responds to drought stress. Here, we cloned a gene from Populus tomentosa, namely PtoMPO1. PtoMPO1 encodes a DUF962 domain protein that is a homolog of yeast dioxygenase Mpo1 and Arabidopsis MHP1. The transcripts of PtoMPO1 were repressed by drought stress and ABA. Atmhp1-1 was a T-DNA insertion mutant lacking AtMHP1, and heteroexpression of PtoMPO1 in Atmhp1-1 significantly alleviated the sensitivity of Atmhp1-1 to ABA and NaCl, implying the functional replacement of PtoMPO1 to AtMHP1. PtoMPO1 overexpression decreased but PtoMPO1 mutation enhanced poplar drought tolerance. Furthermore, the expression of drought-related gene PtoRD26 is markedly lower in PtoMPO1-overexpressing plants and notably higher in Ptompo1 mutants compared to that in the wild type. Overall, these results suggested that PtoMPO1 functions as a novel negative mediator for drought tolerance in poplar.
Collapse
Affiliation(s)
- Min Zheng
- School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Qingzhu Wang
- School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Shikang Lei
- School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Dongcheng Yang
- School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Yun Liu
- College of Resources and Environment, Southwest University, Chongqing, 400716, China
| | - Dalan Feng
- Chongqing Academy of Forestry, Chongqing Key Laboratory of the Three Gorges Storehouse District Forest Ecology Protects and Restores, Chongqing, 400036, China
| | - Xiaohui Huang
- Chongqing Academy of Forestry, Chongqing Key Laboratory of the Three Gorges Storehouse District Forest Ecology Protects and Restores, Chongqing, 400036, China
| | - Kezhen Yang
- Key Laboratory of Plant Molecular Physiology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China
| | - Jie Qian
- School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Yi-Feng Hsu
- School of Life Sciences, Southwest University, Chongqing, 400715, China.
| |
Collapse
|
13
|
Xiao M, Wang J, Xu F. Methylation hallmarks on the histone tail as a linker of osmotic stress and gene transcription. FRONTIERS IN PLANT SCIENCE 2022; 13:967607. [PMID: 36035677 PMCID: PMC9399788 DOI: 10.3389/fpls.2022.967607] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 07/25/2022] [Indexed: 06/12/2023]
Abstract
Plants dynamically manipulate their gene expression in acclimation to the challenging environment. Hereinto, the histone methylation tunes the gene transcription via modulation of the chromatin accessibility to transcription machinery. Osmotic stress, which is caused by water deprivation or high concentration of ions, can trigger remarkable changes in histone methylation landscape and genome-wide reprogramming of transcription. However, the dynamic regulation of genes, especially how stress-inducible genes are timely epi-regulated by histone methylation remains largely unclear. In this review, recent findings on the interaction between histone (de)methylation and osmotic stress were summarized, with emphasis on the effects on histone methylation profiles imposed by stress and how histone methylation works to optimize the performance of plants under stress.
Collapse
|