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Yuan H, Cheng M, Wang R, Wang Z, Fan F, Wang W, Si F, Gao F, Li S. miR396b/GRF6 module contributes to salt tolerance in rice. PLANT BIOTECHNOLOGY JOURNAL 2024; 22:2079-2092. [PMID: 38454780 PMCID: PMC11258987 DOI: 10.1111/pbi.14326] [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: 10/19/2023] [Revised: 02/19/2024] [Accepted: 02/23/2024] [Indexed: 03/09/2024]
Abstract
Salinity, as one of the most challenging environmental factors restraining crop growth and yield, poses a severe threat to global food security. To address the rising food demand, it is urgent to develop crop varieties with enhanced yield and greater salt tolerance by delving into genes associated with salt tolerance and high-yield traits. MiR396b/GRF6 module has previously been demonstrated to increase rice yield by shaping the inflorescence architecture. In this study, we revealed that miR396b/GRF6 module can significantly improve salt tolerance of rice. In comparison with the wild type, the survival rate of MIM396 and OE-GRF6 transgenic lines increased by 48.0% and 74.4%, respectively. Concurrent with the increased salt tolerance, the transgenic plants exhibited reduced H2O2 accumulation and elevated activities of ROS-scavenging enzymes (CAT, SOD and POD). Furthermore, we identified ZNF9, a negative regulator of rice salt tolerance, as directly binding to the promoter of miR396b to modulate the expression of miR396b/GRF6. Combined transcriptome and ChIP-seq analysis showed that MYB3R serves as the downstream target of miR396b/GRF6 in response to salt tolerance, and overexpression of MYB3R significantly enhanced salt tolerance. In conclusion, this study elucidated the potential mechanism underlying the response of the miR396b/GRF6 network to salt stress in rice. These findings offer a valuable genetic resource for the molecular breeding of high-yield rice varieties endowed with stronger salt tolerance.
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Affiliation(s)
- Huanran Yuan
- State Key Laboratory of Hybrid Rice, Key Laboratory for Research and Utilization of Heterosis in Indica Rice of Ministry of Agriculture, Engineering Research Center for Plant Biotechnology and Germplasm Utilization of Ministry of EducationCollege of Life Sciences, Wuhan UniversityWuhanChina
- Hubei Hongshan LaboratoryWuhanChina
| | - Mingxing Cheng
- State Key Laboratory of Hybrid Rice, Key Laboratory for Research and Utilization of Heterosis in Indica Rice of Ministry of Agriculture, Engineering Research Center for Plant Biotechnology and Germplasm Utilization of Ministry of EducationCollege of Life Sciences, Wuhan UniversityWuhanChina
- Hubei Hongshan LaboratoryWuhanChina
| | - Ruihua Wang
- State Key Laboratory of Hybrid Rice, Key Laboratory for Research and Utilization of Heterosis in Indica Rice of Ministry of Agriculture, Engineering Research Center for Plant Biotechnology and Germplasm Utilization of Ministry of EducationCollege of Life Sciences, Wuhan UniversityWuhanChina
| | - Zhikai Wang
- College of Life Science, Yangtze UniversityJingzhouChina
| | - Fengfeng Fan
- State Key Laboratory of Hybrid Rice, Key Laboratory for Research and Utilization of Heterosis in Indica Rice of Ministry of Agriculture, Engineering Research Center for Plant Biotechnology and Germplasm Utilization of Ministry of EducationCollege of Life Sciences, Wuhan UniversityWuhanChina
- Hubei Hongshan LaboratoryWuhanChina
| | - Wei Wang
- State Key Laboratory of Hybrid Rice, Key Laboratory for Research and Utilization of Heterosis in Indica Rice of Ministry of Agriculture, Engineering Research Center for Plant Biotechnology and Germplasm Utilization of Ministry of EducationCollege of Life Sciences, Wuhan UniversityWuhanChina
| | - Fengfeng Si
- State Key Laboratory of Hybrid Rice, Key Laboratory for Research and Utilization of Heterosis in Indica Rice of Ministry of Agriculture, Engineering Research Center for Plant Biotechnology and Germplasm Utilization of Ministry of EducationCollege of Life Sciences, Wuhan UniversityWuhanChina
| | - Feng Gao
- State Key Laboratory of Hybrid Rice, Key Laboratory for Research and Utilization of Heterosis in Indica Rice of Ministry of Agriculture, Engineering Research Center for Plant Biotechnology and Germplasm Utilization of Ministry of EducationCollege of Life Sciences, Wuhan UniversityWuhanChina
| | - Shaoqing Li
- State Key Laboratory of Hybrid Rice, Key Laboratory for Research and Utilization of Heterosis in Indica Rice of Ministry of Agriculture, Engineering Research Center for Plant Biotechnology and Germplasm Utilization of Ministry of EducationCollege of Life Sciences, Wuhan UniversityWuhanChina
- Hubei Hongshan LaboratoryWuhanChina
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Zhang Q, Gao R, Wu D, Wang X, Liu Y, Gao Y, Guan L. Metabolome and Transcriptome Analysis Revealed the Pivotal Role of Exogenous Melatonin in Enhancing Salt Tolerance in Vitis vinifera L. Int J Mol Sci 2024; 25:3651. [PMID: 38612463 PMCID: PMC11011403 DOI: 10.3390/ijms25073651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 02/19/2024] [Accepted: 02/24/2024] [Indexed: 04/14/2024] Open
Abstract
Vitis vinifera L. possesses high economic value, but its growth and yield are seriously affected by salt stress. Though melatonin (MT) has been widely reported to enhance tolerance towards abiotic stresses in plants, the regulatory role melatonin plays in resisting salt tolerance in grapevines has scarcely been studied. Here, we observed the phenotypes under the treatment of different melatonin concentrations, and then transcriptome and metabolome analyses were performed. A total of 457 metabolites were detected in CK- and MT-treated cell cultures at 1 WAT (week after treatment) and 4 WATs. Exogenous melatonin treatment significantly increased the endogenous melatonin content while down-regulating the flavonoid content. To be specific, the melatonin content was obviously up-regulated, while the contents of more than a dozen flavonoids were down-regulated. Auxin response genes and melatonin synthesis-related genes were regulated by the exogenous melatonin treatment. WGCNA (weighted gene coexpression network analysis) identified key salt-responsive genes; they were directly or indirectly involved in melatonin synthesis and auxin response. The synergistic effect of salt and melatonin treatment was investigated by transcriptome analysis, providing additional evidence for the stress-alleviating properties of melatonin through auxin-related pathways. The present study explored the impact of exogenous melatonin on grapevines' ability to adapt to salt stress and provided novel insights into enhancing their tolerance to salt stress.
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Affiliation(s)
- Qiunan Zhang
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Ministry of Education, Northeast Forestry University, Harbin 150040, China; (Q.Z.); (D.W.); (X.W.); (Y.L.)
- College of Life Science, Northeast Forestry University, Harbin 150040, China
| | - Ruiqi Gao
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Ministry of Education, Northeast Forestry University, Harbin 150040, China; (Q.Z.); (D.W.); (X.W.); (Y.L.)
- College of Life Science, Northeast Forestry University, Harbin 150040, China
| | - Di Wu
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Ministry of Education, Northeast Forestry University, Harbin 150040, China; (Q.Z.); (D.W.); (X.W.); (Y.L.)
- College of Life Science, Northeast Forestry University, Harbin 150040, China
| | - Xiao Wang
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Ministry of Education, Northeast Forestry University, Harbin 150040, China; (Q.Z.); (D.W.); (X.W.); (Y.L.)
- College of Life Science, Northeast Forestry University, Harbin 150040, China
| | - Yang Liu
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Ministry of Education, Northeast Forestry University, Harbin 150040, China; (Q.Z.); (D.W.); (X.W.); (Y.L.)
- College of Life Science, Northeast Forestry University, Harbin 150040, China
| | - Yanqiang Gao
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Ministry of Education, Northeast Forestry University, Harbin 150040, China; (Q.Z.); (D.W.); (X.W.); (Y.L.)
- College of Life Science, Northeast Forestry University, Harbin 150040, China
| | - Le Guan
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Ministry of Education, Northeast Forestry University, Harbin 150040, China; (Q.Z.); (D.W.); (X.W.); (Y.L.)
- College of Life Science, Northeast Forestry University, Harbin 150040, China
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Xu N, Lu B, Wang Y, Yu X, Yao N, Lin Q, Xu X, Lu B. Effects of salt stress on seed germination and respiratory metabolism in different Flueggea suffruticosa genotypes. PeerJ 2023; 11:e15668. [PMID: 37483969 PMCID: PMC10362856 DOI: 10.7717/peerj.15668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 06/09/2023] [Indexed: 07/25/2023] Open
Abstract
The selection and utilization of ornamental plants that are highly tolerant to salt are helpful for landscape construction and the ecological protection of coastal and arid areas. To evaluate salt tolerance, one of the most used methods is the observation of seed germination under salt stress. Therefore, this work aimed to evaluate the influence of different concentrations of NaCl in water absorption, germination, and respiratory metabolism in seeds of different Flueggea suffruticosa genotypes. P2 and P27, salt-sensitive and salt-tolerant line s of F. suffruticosa, were chosen for treatment with 0, 40, 80, 120, 160, 200, and 240 mM NaCl. F. suffruticosa under salt stress exhibited inhibition of seed germination. The seeds of F. suffruticosa have different times for the physiological phases of water absorption with different NaCl concentrations. Salt stress retarded the seed water absorption process, and it depended on seed genotypes for F. suffruticosa. Soluble sugars accumulated in both P2 and P27 under salt stress. Meanwhile, the activities of hexokinase, 6-phosphofructokinase, pyruvate kinase, pyruvate dehydrogenase, citrate synthase, and glucose-6-phosphate dehydrogenase were overall increased in P27 after salt treatment, which caused increases in pyruvic acid and citric acid. The citrate synthase and glucose-6-phosphate dehydrogenase activities decreased in P2. These results suggest that the respiratory metabolism of salt-tolerant F. suffruticosa was enhanced, compared with the salt-sensitive line, to ameliorate the repression of seed germination under salt stress. The different changes in respiratory metabolism could influence the degree of salt tolerance.
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Affiliation(s)
- Ningwei Xu
- College of Landscape and Tourism, Hebei Agricultural University, Baoding, Hebei, China
| | - Bin Lu
- College of Landscape and Tourism, Hebei Agricultural University, Baoding, Hebei, China
| | - Yang Wang
- College of Horticulture Science & Technology, Hebei Normal University of Science & Technology, Qinhuangdao, Hebei, China
| | - Xiaoyue Yu
- College of Landscape and Tourism, Hebei Agricultural University, Baoding, Hebei, China
| | - Nan Yao
- College of Horticulture Science & Technology, Hebei Normal University of Science & Technology, Qinhuangdao, Hebei, China
| | - Qijuan Lin
- College of Marine Resources & Environment, Hebei Normal University of Science & Technology, Qinhuangdao, Hebei, China
| | - Xingyou Xu
- College of Marine Resources & Environment, Hebei Normal University of Science & Technology, Qinhuangdao, Hebei, China
| | - Bingshe Lu
- College of Landscape and Tourism, Hebei Agricultural University, Baoding, Hebei, China
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Gu H, Zhao Z, Wei Y, Li P, Lu Q, Liu Y, Wang T, Hu N, Wan S, Zhang B, Hu S, Peng R. Genome-Wide Identification and Functional Analysis of RF2 Gene Family and the Critical Role of GhRF2-32 in Response to Drought Stress in Cotton. PLANTS (BASEL, SWITZERLAND) 2023; 12:2613. [PMID: 37514228 PMCID: PMC10385120 DOI: 10.3390/plants12142613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 06/27/2023] [Accepted: 07/05/2023] [Indexed: 07/30/2023]
Abstract
Cotton is an important natural fiber crop. The RF2 gene family is a member of the bZIP transcription factor superfamily, which plays an important role in plant resistance to environmental stresses. In this paper, the RF2 gene family of four cotton species was analyzed genome-wide, and the key gene RF2-32 was cloned for functional verification. A total of 113 RF2 genes were identified in the four cotton species, and the RF2 family was relatively conserved during the evolution of cotton. Chromosome mapping and collinear analysis indicated that fragment replication was the main expansion mode of RF2 gene family during evolution. Cis-element analysis showed that there were many elements related to light response, hormone response and abiotic stress response in the promoters of RF2 genes. The transcriptome and qRT-PCR analysis of RF2 family genes in upland cotton showed that RF2 family genes responded to salt stress and drought stress. GhRF2-32 protein was localized in the cell nucleus. Silencing the GhRF2-32 gene showed less leaf wilting and increased total antioxidant capacity under drought and salt stress, decreased malondialdehyde content and increased drought and salt tolerance. This study revealed the evolutionary and functional diversity of the RF2 gene family, which laid a foundation for the further study of stress-resistant genes in cotton.
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Affiliation(s)
- Haonan Gu
- College of Agriculture, Tarim University, Alar 843300, China
- Anyang Institute of Technology, Anyang 455000, China
| | - Zilin Zhao
- College of Agriculture, Tarim University, Alar 843300, China
- Anyang Institute of Technology, Anyang 455000, China
| | - Yangyang Wei
- Anyang Institute of Technology, Anyang 455000, China
| | - Pengtao Li
- Anyang Institute of Technology, Anyang 455000, China
| | - Quanwei Lu
- Anyang Institute of Technology, Anyang 455000, China
| | - Yuling Liu
- Anyang Institute of Technology, Anyang 455000, China
| | - Tao Wang
- Anyang Institute of Technology, Anyang 455000, China
| | - Nan Hu
- Anyang Institute of Technology, Anyang 455000, China
| | - Sumei Wan
- College of Agriculture, Tarim University, Alar 843300, China
| | - Baohong Zhang
- Department of Biology, East Carolina University, Greenville, NC 27858, USA
| | - Shoulin Hu
- College of Agriculture, Tarim University, Alar 843300, China
| | - Renhai Peng
- College of Agriculture, Tarim University, Alar 843300, China
- Anyang Institute of Technology, Anyang 455000, China
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5
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Usman B, Derakhshani B, Jung KH. Recent Molecular Aspects and Integrated Omics Strategies for Understanding the Abiotic Stress Tolerance of Rice. PLANTS (BASEL, SWITZERLAND) 2023; 12:2019. [PMID: 37653936 PMCID: PMC10221523 DOI: 10.3390/plants12102019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 05/11/2023] [Accepted: 05/17/2023] [Indexed: 09/02/2023]
Abstract
Rice is an important staple food crop for over half of the world's population. However, abiotic stresses seriously threaten rice yield improvement and sustainable production. Breeding and planting rice varieties with high environmental stress tolerance are the most cost-effective, safe, healthy, and environmentally friendly strategies. In-depth research on the molecular mechanism of rice plants in response to different stresses can provide an important theoretical basis for breeding rice varieties with higher stress resistance. This review presents the molecular mechanisms and the effects of various abiotic stresses on rice growth and development and explains the signal perception mode and transduction pathways. Meanwhile, the regulatory mechanisms of critical transcription factors in regulating gene expression and important downstream factors in coordinating stress tolerance are outlined. Finally, the utilization of omics approaches to retrieve hub genes and an outlook on future research are prospected, focusing on the regulatory mechanisms of multi-signaling network modules and sustainable rice production.
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Affiliation(s)
- Babar Usman
- Graduate School of Green Green-Bio Science and Crop Biotech Institute, Kyung Hee University, Yongin 17104, Republic of Korea; (B.U.)
| | - Behnam Derakhshani
- Graduate School of Green Green-Bio Science and Crop Biotech Institute, Kyung Hee University, Yongin 17104, Republic of Korea; (B.U.)
| | - Ki-Hong Jung
- Graduate School of Green Green-Bio Science and Crop Biotech Institute, Kyung Hee University, Yongin 17104, Republic of Korea; (B.U.)
- Research Center for Plant Plasticity, Kyung Hee University, Yongin 17104, Republic of Korea
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6
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Xu FC, Wang MJ, Guo YW, Song J, Gao W, Long L. The Na +/H + antiporter GbSOS1 interacts with SIP5 and regulates salt tolerance in Gossypium barbadense. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2023; 330:111658. [PMID: 36822505 DOI: 10.1016/j.plantsci.2023.111658] [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: 12/05/2022] [Revised: 02/17/2023] [Accepted: 02/18/2023] [Indexed: 06/18/2023]
Abstract
Cotton is a globally cultivated economic crop and is a major source of natural fiber and edible oil. However, cotton production is severely affected by salt stress. Although Salt Overly Sensitive 1 (SOS1) is a well-studied Na+/H+ antiporter in multiple plant species, little is known about its function and regulatory mechanism in cotton. Here, we cloned a salt-induced SOS1 from sea-island cotton. Real-time quantitative PCR analysis revealed that GbSOS1 was induced by multiple stresses and phytohormones. Silencing GbSOS1 through virus-induced gene silencing significantly reduced cotton resistance to high Na+ but mildly affected Li+ tolerance. On the other hand, overexpression of GbSOS1 enhanced salt tolerance in yeast, Arabidopsis, and cotton largely due to the ability to maintain Na+ homeostasis in protoplasts. Yeast-two-hybrid assays and bimolecular fluorescence complementation identified a novel protein interacting with GbSOS1 on the plasma membrane, which we named SOS Interaction Protein 5 (SIP5). We found that the SIP5 gene encoded an unknown protein localized on the cell membrane. Silencing SIP5 significantly increased cotton tolerance to salt, exhibited by less wilting and plant death under salt stress. Our results revealed that GbSOS1 is crucial for cotton survival in saline soil, and SIP5 is a potentially negative regulator of SOS1-mediated salt tolerance in cotton. Overall, this study provides a theoretical basis for elucidating the molecular mechanism of SOS1, and a candidate gene for breeding salt-tolerant crops.
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Affiliation(s)
- Fu-Chun Xu
- State Key Laboratory of Cotton Biology, Henan University, Kaifeng, Henan, PR China; Changzhi Medical College, Changzhi, Shanxi, PR China
| | - Mei-Juan Wang
- State Key Laboratory of Cotton Biology, Henan University, Kaifeng, Henan, PR China
| | - Ya-Wei Guo
- State Key Laboratory of Cotton Biology, Henan University, Kaifeng, Henan, PR China
| | - Jie Song
- State Key Laboratory of Cotton Biology, Henan University, Kaifeng, Henan, PR China
| | - Wei Gao
- State Key Laboratory of Cotton Biology, Henan University, Kaifeng, Henan, PR China; School of Life Science, Henan University, Kaifeng, Henan, PR China
| | - Lu Long
- State Key Laboratory of Cotton Biology, Henan University, Kaifeng, Henan, PR China; School of Life Science, Henan University, Kaifeng, Henan, PR China.
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Wang Y, Zhang M, Li X, Zhou R, Xue X, Zhang J, Liu N, Xue R, Qi X. Overexpression of the Wheat TaPsb28 Gene Enhances Drought Tolerance in Transgenic Arabidopsis. Int J Mol Sci 2023; 24:ijms24065226. [PMID: 36982301 PMCID: PMC10049290 DOI: 10.3390/ijms24065226] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/06/2023] [Accepted: 03/07/2023] [Indexed: 03/11/2023] Open
Abstract
Psb28 is a soluble protein in the photosystem II (PSII) complex, but its role in the drought stress response of wheat remains unclear. Here, we functionally characterized the TaPsb28 gene, which positively regulates drought tolerance in wheat. When the full-length 546-bp TaPsb28 cDNA was transferred into Arabidopsis thaliana, it was located in the guard cell chloroplast around the stroma. Overexpression of TaPsb28 conferred drought tolerance, as exhibited by the increases in the survival rate. Transgenic plants maintained lower MDA content and higher chlorophyll content by inducing chlorophyll synthase (ChlG) gene transcription. The content of abscisic acid (ABA) and zeatin increased significantly in wild-type (WT) plants under drought stress, and the transcriptional expression levels of RD22, dihydroflavonol 4-reductase (DFR) and anthocyanin reductase (ANR) genes were induced, thus enhancing the contents of endogenous cyanidin, delphinidin, and proanthocyanidins. However, in transgenic plants, although anthocyanins were further aggregated, the ABA increase was inhibited, zeatin was restored to the control level under drought stress, and stomatal closure was promoted. These findings indicate ABA and zeatin have opposite synergistic effects in the process of drought tolerance caused by TaPsb28 because only after the effect of zeatin is alleviated can ABA better play its role in promoting anthocyanin accumulation and stomatal closure, thus enhancing the drought tolerance of transgenic plants. The results suggest that overexpression of TaPsb28 exerts a positive role in the drought response by influencing the functional metabolism of endogenous hormones. The understanding acquired through the research laid a foundation for further in-depth investigation of the function of TaPsb28 in drought resistance in wheat, especially its relationship with anthocyanidin accumulation.
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Affiliation(s)
- Yuexia Wang
- College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China
- Correspondence: (Y.W.); (X.Q.); Tel./Fax: +86-(37)-163555319 (Y.W.)
| | - Menghan Zhang
- College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Xiaoyan Li
- College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Ruixiang Zhou
- College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Xinyu Xue
- College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Jing Zhang
- College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Nana Liu
- Department of Biological Science, Purdue University, West Lafayette, IN 47907, USA
| | - Ruili Xue
- College of Life Sciences, Henan Agricultural University, Zhengzhou 450002, China
| | - Xueli Qi
- Institute of Crops Molecular Breeding, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
- The Shennong Laboratory, Zhengzhou 450002, China
- Correspondence: (Y.W.); (X.Q.); Tel./Fax: +86-(37)-163555319 (Y.W.)
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Wang G, Zhang L, Zhang S, Li B, Li J, Wang X, Zhang J, Guan C, Ji J. The combined use of a plant growth promoting Bacillus sp. strain and GABA promotes the growth of rice under salt stress by regulating antioxidant enzyme system, enhancing photosynthesis and improving soil enzyme activities. Microbiol Res 2023; 266:127225. [DOI: 10.1016/j.micres.2022.127225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 09/16/2022] [Accepted: 10/06/2022] [Indexed: 11/05/2022]
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Ju C, Ma X, Han B, Zhang W, Zhao Z, Geng L, Cui D, Han L. Candidate gene discovery for salt tolerance in rice ( Oryza sativa L.) at the germination stage based on genome-wide association study. FRONTIERS IN PLANT SCIENCE 2022; 13:1010654. [PMID: 36388603 PMCID: PMC9664195 DOI: 10.3389/fpls.2022.1010654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
Salt stress affects rice seed germination and seedling formation, seriously restricting rice production. Screening salt-tolerant rice varieties and analyzing the genetic mechanisms underlying salt tolerance are therefore very important to ensure rice production. In this study, 313 Oryza sativa ssp. japonica germplasm were used to conduct a genome-wide association study (GWAS) using 1% NaCl as a salt stress treatment during germination stage. The germination potential (GP) on different days and the germination index (GI) under salt stress were used as salt tolerance indicators. The results of population structure analysis showed that the 313 germplasm studied could be divided into two subpopulations, consistent with the geographical origins of the materials. There were 52 loci significantly related to salt tolerance during germination, and the phenotypic contribution rate of 29 loci was > 10%. A region on chromosome 11 (17049672-17249672 bp) was repeatedly located, and the candidate gene LOC_Os11g29490, which encodes a plasma membrane ATPase, was identified in this locus. Further haplotype analysis showed the GP of germplasm with different haplotypes at that locus significantly differed under salt stress (p < 0.05), and germplasm carrying Hap2 displayed strong salt tolerance during the germination stage. Two other promising candidate genes for salt tolerance were identified: LOC_Os01g27170 (OsHAK3), which encodes a potassium transporter, and LOC_Os10g42550 (OsITPK5), which encodes an inositol 1, 3, 4-trisphosphate 5/6-kinase. The results of this study provide a theoretical basis for salt-tolerant gene cloning and molecular design breeding in rice.
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Affiliation(s)
- Chunyan Ju
- Chongqing Engineering Research Center of Specialty Crop Resources, College of Life Sciences, Chongqing Normal University, Chongqing, China
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xiaoding Ma
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Bing Han
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Wei Zhang
- Institute of Coastal Agriculture, Hebei Academy of Agriculture and Forestry Sciences, Tangshan, China
- Tangshan Key Laboratory of Rice Breeding, Tangshan, China
| | - Zhengwu Zhao
- Chongqing Engineering Research Center of Specialty Crop Resources, College of Life Sciences, Chongqing Normal University, Chongqing, China
| | - Leiyue Geng
- Institute of Coastal Agriculture, Hebei Academy of Agriculture and Forestry Sciences, Tangshan, China
- Tangshan Key Laboratory of Rice Breeding, Tangshan, China
| | - Di Cui
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Longzhi Han
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
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Liu T, Xing G, Chen Z, Zhai X, Wei X, Wang C, Li T, Zheng S. Effect of exogenous melatonin on salt stress in cucumber: alleviating effect and molecular basis. BIOTECHNOL BIOTEC EQ 2022. [DOI: 10.1080/13102818.2022.2128875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- Tingting Liu
- Department of Basic Science, College of Horticulture, Shanxi Agricultural University, Taigu, P.R. China
| | - Guoming Xing
- Department of Basic Science, College of Horticulture, Shanxi Agricultural University, Taigu, P.R. China
| | - Zhifeng Chen
- School of Biological and Agricultural Science and Technology, Zunyi Normal University, Zunyi, P.R. China
| | - Xijiao Zhai
- Department of Basic Science, College of Horticulture, Shanxi Agricultural University, Taigu, P.R. China
| | - Xuyang Wei
- Department of Basic Science, College of Horticulture, Shanxi Agricultural University, Taigu, P.R. China
| | - Chen Wang
- Department of Basic Science, College of Horticulture, Shanxi Agricultural University, Taigu, P.R. China
| | - Tianmeng Li
- Department of Basic Science, College of Horticulture, Shanxi Agricultural University, Taigu, P.R. China
| | - Shaowen Zheng
- Department of Basic Science, College of Horticulture, Shanxi Agricultural University, Taigu, P.R. China
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Zheng J, Zhang Z, Gong Z, Liang Y, Sang Z, Xu Y, Li X, Wang J. Genome-Wide Association Analysis of Salt-Tolerant Traits in Terrestrial Cotton at Seedling Stage. PLANTS (BASEL, SWITZERLAND) 2021; 11:plants11010097. [PMID: 35009100 PMCID: PMC8747425 DOI: 10.3390/plants11010097] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/01/2021] [Accepted: 12/11/2021] [Indexed: 06/01/2023]
Abstract
Soil salinization is the main abiotic stress factor affecting agricultural production worldwide, and salt stress has a significant impact on plant growth and development. Cotton is one of the most salt-tolerant crops. Therefore, the selection and utilization of salt-tolerant germplasm resources and the excavation of salt resistance genes play important roles in improving cotton production in saline-alkali soils. In this study, we analysed the population structure and genetic diversity of a total 149 cotton plant materials including 137 elite Gossypium hirsutum cultivar accessions collected from China and 12 elite Gossypium hirsutum cultivar accessions collected from around the world. Illumina Cotton SNP 70 K was used to obtain genome-wide single-nucleotide polymorphism (SNP) data for 149 elite Gossypium hirsutum cultivar accessions, and 18,430 highly consistent SNP loci were obtained by filtering. It was assessed by using PCA principal component analysis so that the 149 elite Gossypium hirsutum cultivar accessions could be divided into two subgroups, including subgroup 1 with 78 materials and subgroup 2 with 71 materials. Using the obtained SNP and other marker genotype test results, under salt stress, the salt tolerance traits 3d Germination potential, 3d Radicle length drop rate, 7d Germination rate, 7d Radicle length drop rate, 7d Germination weight, 3d Radicle length, 7d Radicle length, Relative Germination potential, Relative Germination rate, 7d Radicle weight drop rate, Salt tolerance index 3d Germination potential index, 3d Radicle length index, 7d Radicle length index, 7d Radicle weight index and 7d Germination rate index were evaluated by GWAS (genome-wide association analysis). A total of 27 SNP markers closely related to the salt tolerance traits and 15 SNP markers closely related to the salt tolerance index were detected. At the SNP locus associated with phenotyping, Gh_D01G0943, Gh_D01G0945, Gh_A01G0906, Gh_A01G0908, Gh_D08G1308 and Gh_D08G1309 related to plant salt tolerance were detected, and they were found to be involved in intracellular transport, sucrose synthesis, osmotic pressure balance, transmembrane transport, N-glycosylation, auxin response and cell amplification. This study provides a theoretical basis for the selection and breeding of salt-tolerant upland cotton varieties.
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Affiliation(s)
- Juyun Zheng
- Economic Crops Research Institute, Xinjiang Academy of Agricultural Science (XAAS), Urumqi 830001, China; (J.Z.); (Z.Z.); (Z.G.); (Y.L.); (Z.S.)
| | - Zeliang Zhang
- Economic Crops Research Institute, Xinjiang Academy of Agricultural Science (XAAS), Urumqi 830001, China; (J.Z.); (Z.Z.); (Z.G.); (Y.L.); (Z.S.)
- Engineering Research Centre of Cotton, Ministry of Education, College of Agriculture, Xinjiang Agricultural University, 311 Nongda East Road, Urumqi 830052, China
| | - Zhaolong Gong
- Economic Crops Research Institute, Xinjiang Academy of Agricultural Science (XAAS), Urumqi 830001, China; (J.Z.); (Z.Z.); (Z.G.); (Y.L.); (Z.S.)
| | - Yajun Liang
- Economic Crops Research Institute, Xinjiang Academy of Agricultural Science (XAAS), Urumqi 830001, China; (J.Z.); (Z.Z.); (Z.G.); (Y.L.); (Z.S.)
| | - Zhiwei Sang
- Economic Crops Research Institute, Xinjiang Academy of Agricultural Science (XAAS), Urumqi 830001, China; (J.Z.); (Z.Z.); (Z.G.); (Y.L.); (Z.S.)
- Engineering Research Centre of Cotton, Ministry of Education, College of Agriculture, Xinjiang Agricultural University, 311 Nongda East Road, Urumqi 830052, China
| | - Yanchao Xu
- State Key Laboratory of Cotton Biology (China), Institute of Cotton Research, Chinese Academy of Agricultural Science (ICR-CAAS), Anyang 455000, China;
| | - Xueyuan Li
- Economic Crops Research Institute, Xinjiang Academy of Agricultural Science (XAAS), Urumqi 830001, China; (J.Z.); (Z.Z.); (Z.G.); (Y.L.); (Z.S.)
| | - Junduo Wang
- Economic Crops Research Institute, Xinjiang Academy of Agricultural Science (XAAS), Urumqi 830001, China; (J.Z.); (Z.Z.); (Z.G.); (Y.L.); (Z.S.)
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Kumari A, Bhatla SC. Regulation of salt-stressed sunflower (Helianthus annuus) seedling's water status by the coordinated action of Na +/K + accumulation, nitric oxide, and aquaporin expression. FUNCTIONAL PLANT BIOLOGY : FPB 2021; 48:573-587. [PMID: 33487215 DOI: 10.1071/fp20334] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 12/25/2020] [Indexed: 05/08/2023]
Abstract
Among abiotic stresses, salt stress is a major threat to crop production all over the world. Present work demonstrates the profuse accumulation of Na+ in 2-day-old, dark-grown sunflower (Helianthus annuus L.) seedlings roots in response to salt stress (NaCl). The pattern of K+ accumulation in response to salt stress is similar to that of Na+ but on relatively lower scale. Application of nitric oxide (NO) donor (DETA) scales down Na+ accumulation in salt-stressed seedlings. The impact of NO donor on K+ accumulation is, however, different in control and salt-stressed seedling roots. In control seedlings, it enhances K+ accumulation, whereas, it gets reduced in salt-stressed seedlings. Specialised channels called 'aquaporins' (AQPs) play a major role maintaining the water status and transport across plant parts under salt-stress. Thus, accumulation of plasma-membrane intrinsic proteins (PIPs) and tonoplast-intrinsic proteins (TIPs), localised on plasma-membrane and vacuolar-membrane, respectively was undertaken in 2-day-old, dark-grown seedling roots. Salt stress increased the abundance of these isoforms, whereas, NO application resulted in decreased accumulation of PIP2 and TIP1. PIP1 and TIP2 isoforms remained undetectable. Present work thus, puts forward a correlation between AQP expression and ions (Na+ and K+) homeostasis in response to salt stress and NO.
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Affiliation(s)
- Archana Kumari
- Laboratory of Plant Physiology and Biochemistry, Department of Botany, University of Delhi, Delhi-11007, India
| | - Satish C Bhatla
- Laboratory of Plant Physiology and Biochemistry, Department of Botany, University of Delhi, Delhi-11007, India; and Corresponding author.
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Chen L, Lu B, Liu L, Duan W, Jiang D, Li J, Zhang K, Sun H, Zhang Y, Li C, Bai Z. Melatonin promotes seed germination under salt stress by regulating ABA and GA 3 in cotton (Gossypium hirsutum L.). PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 162:506-516. [PMID: 33773227 DOI: 10.1016/j.plaphy.2021.03.029] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 03/15/2021] [Indexed: 05/21/2023]
Abstract
Although previous studies have found that melatonin can promote seed germination, the phytohormone regulation mechanism by which exogenous melatonin mediates salt tolerance during cotton seed germination is still largely unknown. The effects of melatonin on germination traits and physiological parameters of GXM9 cotton seeds (Gossypium hirsutum L.) under three salt stress treatments (CK, germination of seeds pretreated with water alone; S, germination of seeds pretreated in 150 mM NaCl under salt stress; SM, germination of seeds pretreated in 20 μM melatonin under 150 mM NaCl solution) in the laboratory was investigated. The results showed that salt stress (150 mM) inhibited cotton seed germination and endogenous melatonin accumulation, and pretreatment with 20 μM exogenous melatonin enhanced the cotton germination rate and hypocotyl length as well as the content of endogenous melatonin during seed germination. This suggests that exogenous melatonin promotes seed germination from a morphological perspective. The contents of starch, α-amylase (EC3.3.1.1), β-galactosidase (EC3.2.1.23), abscisic acid (ABA), and gibberellin (GA) were determined simultaneously. The results showed that the α-amylase and β-galactosidase contents in the cotton seeds decreased by 56.97% and 20.18%, respectively, under salt stress compared with the control, while the starch content increased by 11.53% compared with the control at day 7. The ABA content increased by 25.18% and GA content decreased by 27.99% under salt stress compared with the control at 24 h. When exogenous melatonin was applied to the cotton seeds, the content of α-amylase and β-galactosidase increased by 121.77% and 32.76%, respectively, whereas the starch contents decreased by 13.55% compared with the S treatment at day 7. Similarly, the ABA content increased by 12.20% and the GA content increased by 4.77% at 24 h. To elucidate the molecular mechanism by which melatonin promotes seed germination under salt stress, the effects of ABA- and GA-related genes on plant hormone signal transduction were analyzed by quantitative real-time PCR and RNA sequencing. The results indicated that melatonin regulated the expression of ABA and GA genes in the plant signal transduction pathway, induced embryo root development and seed germination, and alleviated dormancy. The expression of the ABA signaling gene GhABF2 was up-regulated and GhDPBF2 was down-regulated, and the expression of GA signaling genes (e.g., GhGID1C and GhGID1B) was up-regulated by melatonin. In conclusion, melatonin enhances salt tolerance in cotton seeds by regulating ABA and GA and by mediating the expression of hormone-related genes in plant hormone signal transduction. This should help us to explore the regulatory mechanisms of cotton resistance and provide a foundation for the cultivation of new varieties.
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Affiliation(s)
- Li Chen
- State Key Laboratory of North China Crop Improvement and Regulation/College of Life Science, Hebei Agricultural University, Baoding, 071001, China; State Key Laboratory of North China Crop Improvement and Regulation/Key Laboratory of Crop Growth Regulation of Hebei Province/College of Agronomy, Hebei Agricultural University, Baoding, 071001, China
| | - Bin Lu
- College of Landscape and Tourism, Hebei Agricultural University, Baoding 071001, China
| | - Liantao Liu
- State Key Laboratory of North China Crop Improvement and Regulation/Key Laboratory of Crop Growth Regulation of Hebei Province/College of Agronomy, Hebei Agricultural University, Baoding, 071001, China
| | - Wenjing Duan
- State Key Laboratory of North China Crop Improvement and Regulation/College of Life Science, Hebei Agricultural University, Baoding, 071001, China; State Key Laboratory of North China Crop Improvement and Regulation/Key Laboratory of Crop Growth Regulation of Hebei Province/College of Agronomy, Hebei Agricultural University, Baoding, 071001, China
| | - Dan Jiang
- State Key Laboratory of North China Crop Improvement and Regulation/College of Life Science, Hebei Agricultural University, Baoding, 071001, China; State Key Laboratory of North China Crop Improvement and Regulation/Key Laboratory of Crop Growth Regulation of Hebei Province/College of Agronomy, Hebei Agricultural University, Baoding, 071001, China
| | - Jin Li
- State Key Laboratory of North China Crop Improvement and Regulation/College of Life Science, Hebei Agricultural University, Baoding, 071001, China; State Key Laboratory of North China Crop Improvement and Regulation/Key Laboratory of Crop Growth Regulation of Hebei Province/College of Agronomy, Hebei Agricultural University, Baoding, 071001, China
| | - Ke Zhang
- State Key Laboratory of North China Crop Improvement and Regulation/Key Laboratory of Crop Growth Regulation of Hebei Province/College of Agronomy, Hebei Agricultural University, Baoding, 071001, China
| | - Hongchun Sun
- State Key Laboratory of North China Crop Improvement and Regulation/Key Laboratory of Crop Growth Regulation of Hebei Province/College of Agronomy, Hebei Agricultural University, Baoding, 071001, China
| | - Yongjiang Zhang
- State Key Laboratory of North China Crop Improvement and Regulation/Key Laboratory of Crop Growth Regulation of Hebei Province/College of Agronomy, Hebei Agricultural University, Baoding, 071001, China
| | - Cundong Li
- State Key Laboratory of North China Crop Improvement and Regulation/Key Laboratory of Crop Growth Regulation of Hebei Province/College of Agronomy, Hebei Agricultural University, Baoding, 071001, China.
| | - Zhiying Bai
- State Key Laboratory of North China Crop Improvement and Regulation/College of Life Science, Hebei Agricultural University, Baoding, 071001, China; State Key Laboratory of North China Crop Improvement and Regulation/Key Laboratory of Crop Growth Regulation of Hebei Province/College of Agronomy, Hebei Agricultural University, Baoding, 071001, China.
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Lei L, Zheng H, Bi Y, Yang L, Liu H, Wang J, Sun J, Zhao H, Li X, Li J, Lai Y, Zou D. Identification of a Major QTL and Candidate Gene Analysis of Salt Tolerance at the Bud Burst Stage in Rice (Oryza sativa L.) Using QTL-Seq and RNA-Seq. RICE (NEW YORK, N.Y.) 2020; 13:55. [PMID: 32778977 PMCID: PMC7417472 DOI: 10.1186/s12284-020-00416-1] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 08/04/2020] [Indexed: 05/23/2023]
Abstract
BACKGROUND Salt stress is one of the main abiotic stresses that limits rice production worldwide. Rice salt tolerance at the bud burst stage directly affects the seedling survival rate and the final yield in the direct seeding cultivation model. However, the reports on quantitative trait locus (QTL) mapping and map-based cloning for salt tolerance at the bud burst stage are limited. RESULTS Here, an F2:3 population derived from a cross between IR36 (salt-sensitive) and Weiguo (salt-tolerant) was used to identify salt-tolerant QTL interval at the bud burst stage using a whole-genome sequencing-based QTL-seq containing 40 extreme salt-tolerant and 40 extreme salt-sensitive individuals. A major QTL, qRSL7, related to relative shoot length (RSL) was detected on chromosome 7 using ΔSNP index algorithms and Euclidean Distance (ED) algorithms. According to single nucleotide polymorphisms (SNPs) between the parents, 25 Kompetitive allele-specific PCR (KASP) markers were developed near qRSL7, and regional QTL mapping was performed using 199 individuals from the F2:3 population. We then confirmed and narrowed down qRSL7 to a 222 kb genome interval. Additionally, RNA sequencing (RNA-seq) was performed for IR36 and Weiguo at 36 h after salt stress and control condition at the bud burst stage, and 5 differentially expressed genes (DEGs) were detected in the candidate region. The qRT-PCR results showed the same expression patterns as the RNA-seq data. Furthermore, sequence analysis revealed a 1 bp Indel difference in Os07g0569700 (OsSAP16) between IR36 and Weiguo. OsSAP16 encodes a stress-associated protein whose expression is increased under drought stress. CONCLUSION These results indicate that OsSAP16 was the candidate gene of qRSL7. The results is useful for gene cloning of qRSL7 and for improving the salt tolerance of rice varieties by marker assisted selection (MAS).
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Affiliation(s)
- Lei Lei
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China
| | - Hongliang Zheng
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China
- Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, Harbin, 150030, China
| | - Yanli Bi
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China
| | - Luomiao Yang
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China
| | - Hualong Liu
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China
| | - Jingguo Wang
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China
| | - Jian Sun
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China
| | - Hongwei Zhao
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China
| | - Xianwei Li
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China
| | - Jiaming Li
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China
| | - Yongcai Lai
- Heilongjiang Academy of Agricultural Sciences Postdoctoral Programme, Harbin, 150030, China
| | - Detang Zou
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Ministry of Education, Northeast Agricultural University, Harbin, 150030, China.
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15
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Insights in the Physiological, Biochemical and Molecular Basis of Salt Stress Tolerance in Plants. SOIL BIOLOGY 2019. [DOI: 10.1007/978-3-030-18975-4_15] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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16
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Liang W, Ma X, Wan P, Liu L. Plant salt-tolerance mechanism: A review. Biochem Biophys Res Commun 2017; 495:286-291. [PMID: 29128358 DOI: 10.1016/j.bbrc.2017.11.043] [Citation(s) in RCA: 323] [Impact Index Per Article: 46.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2017] [Accepted: 11/07/2017] [Indexed: 12/26/2022]
Abstract
Almost all crops that are important to humans are sensitive to high salt concentration in the soil. The presence of salt in soil is one of the most significant abiotic stresses in farming. Therefore, improving plant salt tolerance and increasing the yield and quality of crops in salty land is vital. Transgenic technology is a fast and effective method to obtain salt-tolerant varieties. At present, many scholars have studied salt damage to plant and plant salt-tolerance mechanism. These scholars have cloned a number of salt-related genes and achieved high salt tolerance for transgenic plants, thereby showing attractive prospects. In this paper, the salt-tolerance mechanism of plants is described from four aspects: plant osmotic stress, ion toxicity, oxidative stress, and salt tolerance genes. This review may help in studies to reveal the mechanism of plant salt tolerance, screen high efficiency and quality salt tolerance crops.
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Affiliation(s)
- Wenji Liang
- North China University of Science and Technology, Tangshan 063000, People's Republic of China.
| | - Xiaoli Ma
- Hebei Seed Administration Station, Shijiazhuang 050031, People's Republic of China
| | - Peng Wan
- Institute of Measurement Test, Tangshan Bureau of Quality and Technical Supervision, Tangshan 063000, People's Republic of China
| | - Lianyin Liu
- North China University of Science and Technology, Tangshan 063000, People's Republic of China
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Cen H, Ye W, Liu Y, Li D, Wang K, Zhang W. Overexpression of a Chimeric Gene, OsDST-SRDX, Improved Salt Tolerance of Perennial Ryegrass. Sci Rep 2016; 6:27320. [PMID: 27251327 PMCID: PMC4890315 DOI: 10.1038/srep27320] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Accepted: 05/18/2016] [Indexed: 11/22/2022] Open
Abstract
The Drought and Salt Tolerance gene (DST) encodes a C2H2 zinc finger transcription factor, which negatively regulates salt tolerance in rice (Oryza sativa). Phylogenetic analysis of six homologues of DST genes in different plant species revealed that DST genes were conserved evolutionarily. Here, the rice DST gene was linked to an SRDX domain for gene expression repression based on the Chimeric REpressor gene-Silencing Technology (CRES-T) to make a chimeric gene (OsDST-SRDX) construct and introduced into perennial ryegrass by Agrobacterium-mediated transformation. Integration and expression of the OsDST-SRDX in transgenic plants were tested by PCR and RT-PCR, respectively. Transgenic lines overexpressing the OsDST-SRDX fusion gene showed obvious phenotypic differences and clear resistance to salt-shock and to continuous salt stresses compared to non-transgenic plants. Physiological analyses including relative leaf water content, electrolyte leakage, proline content, malondialdehyde (MDA) content, H2O2 content and sodium and potassium accumulation indicated that the OsDST-SRDX fusion gene enhanced salt tolerance in transgenic perennial ryegrass by altering a wide range of physiological responses. To our best knowledge this study is the first report of utilizing Chimeric Repressor gene-Silencing Technology (CRES-T) in turfgrass and forage species for salt-tolerance improvement.
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Affiliation(s)
- Huifang Cen
- Department of Grassland Science, China Agricultural University, Beijing, 100193, P. R. China
| | - Wenxing Ye
- Department of Grassland Science, China Agricultural University, Beijing, 100193, P. R. China
| | - Yanrong Liu
- Department of Grassland Science, China Agricultural University, Beijing, 100193, P. R. China
| | - Dayong Li
- State Key Laboratory of Plant Genomics and National Center for Plant Gene Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, P. R. China
| | - Kexin Wang
- Department of Grassland Science, China Agricultural University, Beijing, 100193, P. R. China
| | - Wanjun Zhang
- Department of Grassland Science, China Agricultural University, Beijing, 100193, P. R. China.,National Energy R&D Center for Biomass (NECB), China Agricultural University, Beijing, 100193, P. R. China
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Ma X, Gu P, Liang W, Zhang Y, Jin X, Wang S, Shen Y, Huang Z. Analysis on the transcriptome information of two different wheat mutants and identification of salt-induced differential genes. Biochem Biophys Res Commun 2016; 473:1197-1204. [PMID: 27074578 DOI: 10.1016/j.bbrc.2016.04.039] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Accepted: 04/08/2016] [Indexed: 10/22/2022]
Abstract
This study established a wheat transcriptome library using RH8706-49 and RH8706-34. Salt-induced differential genes were screened by Illumina RNA sequencing (RNA-Seq). Five differential genes were chosen to study the functions by combining transcript sequencing result and gene chip. The expression changes of these five differential genes were analyzed using real-time quantitative PCR (qRT-PCR) technique to determine the reliability and accuracy of transcriptome sequencing and transplanted into Arabidopsis thaliana to obtain transgenic homozygote plants for the salt tolerance test. The salt tolerance test results show that the transgenic plants grew far better than the wild-type plant.
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Affiliation(s)
- Xiaoli Ma
- College of Life Science, Hebei Normal University, Shijiazhuang 050024 Hebei, PR China.
| | - Peihan Gu
- College of Life Science, Hebei Normal University, Shijiazhuang 050024 Hebei, PR China.
| | - Wenji Liang
- College of Life Science, Hebei Normal University, Shijiazhuang 050024 Hebei, PR China; College of Clinical Medicine, North China University of Science and Technology, Tangshan 063000 Hebei, PR China.
| | - Yuxin Zhang
- College of Life Science, Hebei Normal University, Shijiazhuang 050024 Hebei, PR China.
| | - Xiaoli Jin
- College of Life Science, Hebei Normal University, Shijiazhuang 050024 Hebei, PR China.
| | - Shaoxiong Wang
- College of Life Science, Hebei Normal University, Shijiazhuang 050024 Hebei, PR China.
| | - Yinzhu Shen
- College of Life Science, Hebei Normal University, Shijiazhuang 050024 Hebei, PR China.
| | - Zhanjing Huang
- College of Life Science, Hebei Normal University, Shijiazhuang 050024 Hebei, PR China.
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Ma X, Cui W, Liang W, Huang Z. Wheat TaSP gene improves salt tolerance in transgenic Arabidopsis thaliana. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2015; 97:187-95. [PMID: 26476792 DOI: 10.1016/j.plaphy.2015.10.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 09/24/2015] [Accepted: 10/05/2015] [Indexed: 05/13/2023]
Abstract
A novel salt-induced gene with unknown functions was cloned through analysis of gene expression profile of a salt-tolerant wheat mutant RH8706-49 under salt stress. The gene was named Triticum aestivum salt-related protein (TaSP) and deposited in GenBank (Accession No. KF307326). Quantitative polymerase chain reaction (qPCR) results showed that TaSP expression was induced under salt, abscisic acid (ABA), and polyethylene glycol (PEG) stresses. Subcellular localization revealed that TaSP was mainly localized in cell membrane. Overexpression of TaSP in Arabidopsis could improve salt tolerance of 35S::TaSP transgenic Arabidopsis. 35S::TaSP transgenic Arabidopsis lines after salt stress presented better physiological indexes than the control group. In the non-invasive micro-test (NMT), an evident Na(+) excretion was observed at the root tip of salt-stressed 35S::TaSP transgenic Arabidopsis. TaSP promoter was cloned, and its beta-glucuronidase (GUS) activities before and after ABA, salt, cold, heat, and salicylic acid (SA) stresses were determined. Full-length TaSP promoter contained ABA and salt response elements.
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Affiliation(s)
- Xiaoli Ma
- College of Life Science, Hebei Normal University, Shijiazhuang 050024, People's Republic of China.
| | - Weina Cui
- College of Life Science, Hebei Normal University, Shijiazhuang 050024, People's Republic of China.
| | - Wenji Liang
- College of Life Science, Hebei Normal University, Shijiazhuang 050024, People's Republic of China; College of Clinical Medicine, North China University of Science and Technology, Tangshan 063000, People's Republic of China.
| | - Zhanjing Huang
- College of Life Science, Hebei Normal University, Shijiazhuang 050024, People's Republic of China.
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