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Ren Z, Zhang P, Su H, Xie X, Shao J, Ku L, Tian Z, Deng D, Wei L. Regulatory mechanisms used by ZmMYB39 to enhance drought tolerance in maize (Zea mays) seedlings. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 211:108696. [PMID: 38705046 DOI: 10.1016/j.plaphy.2024.108696] [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: 01/12/2024] [Revised: 04/14/2024] [Accepted: 05/01/2024] [Indexed: 05/07/2024]
Abstract
Drought is a significant abiotic stressor that limits maize (Zea mays L.) growth and development. Thus, enhancing drought tolerance is critical for promoting maize production. Our findings demonstrated that ZmMYB39 is an MYB transcription factor with transcriptional activation activity. Drought stress experiments involving ZmMYB39 overexpression and knockout lines indicated that ZmMYB39 positively regulated drought stress tolerance in maize. DAP-Seq, EMSA, dual-LUC, and RT-qPCR provided initial insights into the molecular regulatory mechanisms by which ZmMYB39 enhances drought tolerance in maize. ZmMYB39 directly promoted the expression of ZmP5CS1, ZmPOX1, ZmSOD2, ZmRD22, ZmNAC49, and ZmDREB2A, which are involved in stress resistance. ZmMYB39 enhanced drought tolerance by interacting with and promoting the expression of ZmFNR1, ZmHSP20, and ZmDOF6. Our study offers a theoretical basis for understanding the molecular regulatory networks involved in maize drought stress response. Furthermore, ZmMYB39 serves as a valuable genetic resource for breeding drought-resistant maize.
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Affiliation(s)
- Zhenzhen Ren
- College of Agronomy, National Key Laboratory of Wheat and Maize Crop Science and Key Laboratory of Regulating and Controlling Crop Growth and Development Ministry of Education, Henan Agricultural University, Zhengzhou, Henan, 450046, China
| | - Pengyu Zhang
- Henan Sesame Research Center, Henan Academy of Agricultural Sciences, China
| | - Huihui Su
- College of Agronomy, National Key Laboratory of Wheat and Maize Crop Science and Key Laboratory of Regulating and Controlling Crop Growth and Development Ministry of Education, Henan Agricultural University, Zhengzhou, Henan, 450046, China
| | - Xiaowen Xie
- Henna Technology Innovation Centre of Wheat, Henan Agricultural University, Zhengzhou, 450046, China
| | - Jing Shao
- Henna Technology Innovation Centre of Wheat, Henan Agricultural University, Zhengzhou, 450046, China
| | - Lixia Ku
- College of Agronomy, National Key Laboratory of Wheat and Maize Crop Science and Key Laboratory of Regulating and Controlling Crop Growth and Development Ministry of Education, Henan Agricultural University, Zhengzhou, Henan, 450046, China
| | - Zhiqiang Tian
- Henna Technology Innovation Centre of Wheat, Henan Agricultural University, Zhengzhou, 450046, China.
| | | | - Li Wei
- Henna Technology Innovation Centre of Wheat, Henan Agricultural University, Zhengzhou, 450046, China.
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2
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Zhao M, Gao Z, Kuang C, Chen X. Partial root-zone drying combined with nitrogen treatments mitigates drought responses in rice. FRONTIERS IN PLANT SCIENCE 2024; 15:1381491. [PMID: 38685964 PMCID: PMC11056961 DOI: 10.3389/fpls.2024.1381491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Accepted: 03/27/2024] [Indexed: 05/02/2024]
Abstract
Drought is a major stress affecting rice yields. Combining partial root-zone drying (PRD) and different nitrogen fertilizers reduces the damage caused by water stress in rice. However, the underlying molecular mechanisms remain unclear. In this study, we combined treatments with PRD and ammonia:nitrate nitrogen at 0:100 (PRD0:100) and 50:50 (PRD50:50) ratios or PEG and nitrate nitrogen at 0:100 (PEG0:100) ratios in rice. Physiological, transcriptomic, and metabolomic analyses were performed on rice leaves to identify key genes involved in water stress tolerance under different nitrogen forms and PRD pretreatments. Our results indicated that, in contrast to PRD0:100, PRD50:50 elevated the superoxide dismutase activity in leaves to accelerate the scavenging of ROS accumulated by osmotic stress, attenuated the degree of membrane lipid peroxidation, stabilized photosynthesis, and elevated the relative water content of leaves to alleviate the drought-induced osmotic stress. Moreover, the alleviation ability was better under PRD50:50 treatment than under PRD0:100. Integrated transcriptome and metabolome analyses of PRD0:100 vs PRD50:50 revealed that the differences in PRD involvement in water stress tolerance under different nitrogen pretreatments were mainly in photosynthesis, oxidative stress, nitrogen metabolism process, phytohormone signaling, and biosynthesis of other secondary metabolites. Some key genes may play an important role in these pathways, including OsGRX4, OsNDPK2, OsGS1;1, OsNR1.2, OsSUS7, and YGL8. Thus, the osmotic stress tolerance mediated by PRD and nitrogen cotreatment is influenced by different nitrogen forms. Our results provide new insights into osmotic stress tolerance mediated by PRD and nitrogen cotreatment, demonstrate the essential role of nitrogen morphology in PRD-induced molecular regulation, and identify genes that contribute to further improving stress tolerance in rice.
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Affiliation(s)
- Minhua Zhao
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in the Northern Region, College of Biology and Agriculture, Shaoguan College, Shaoguan, Guangdong, China
- Guangdong Engineering Technology Research Center for Efficient Utilization of Water and Soil Resources in North Region, College of Biology and Agriculture, Shaoguan College, Shaoguan, Guangdong, China
- School of Biology and Agriculture, College of Biology and Agriculture, Shaoguan College, Shaoguan University, Shaoguan, Guangdong, China
| | - Zhihong Gao
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in the Northern Region, College of Biology and Agriculture, Shaoguan College, Shaoguan, Guangdong, China
- Guangdong Engineering Technology Research Center for Efficient Utilization of Water and Soil Resources in North Region, College of Biology and Agriculture, Shaoguan College, Shaoguan, Guangdong, China
- School of Biology and Agriculture, College of Biology and Agriculture, Shaoguan College, Shaoguan University, Shaoguan, Guangdong, China
| | - Chunyi Kuang
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in the Northern Region, College of Biology and Agriculture, Shaoguan College, Shaoguan, Guangdong, China
- Guangdong Engineering Technology Research Center for Efficient Utilization of Water and Soil Resources in North Region, College of Biology and Agriculture, Shaoguan College, Shaoguan, Guangdong, China
- School of Biology and Agriculture, College of Biology and Agriculture, Shaoguan College, Shaoguan University, Shaoguan, Guangdong, China
| | - Xiaoyuan Chen
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in the Northern Region, College of Biology and Agriculture, Shaoguan College, Shaoguan, Guangdong, China
- Guangdong Engineering Technology Research Center for Efficient Utilization of Water and Soil Resources in North Region, College of Biology and Agriculture, Shaoguan College, Shaoguan, Guangdong, China
- School of Biology and Agriculture, College of Biology and Agriculture, Shaoguan College, Shaoguan University, Shaoguan, Guangdong, China
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3
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Zhai R, Ye S, Ye J, Wu M, Zhu G, Yu F, Wang X, Feng Y, Zhang X. Glutaredoxin in Rice Growth, Development, and Stress Resistance: Mechanisms and Research Advances. Int J Mol Sci 2023; 24:16968. [PMID: 38069292 PMCID: PMC10707574 DOI: 10.3390/ijms242316968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 11/26/2023] [Accepted: 11/28/2023] [Indexed: 12/18/2023] Open
Abstract
Rice (Oryza sativa L.) is a staple food for more than half of the global population. Various abiotic and biotic stresses lead to accumulation of reactive oxygen species in rice, which damage macromolecules and signaling pathways. Rice has evolved a variety of antioxidant systems, including glutaredoxin (GRX), that protect against various stressors. A total of 48 GRX gene loci have been identified on 11 of the 12 chromosomes of the rice genome; none were found on chromosome 9. GRX proteins were classified into four categories according to their active sites: CPYC, CGFS, CC, and GRL. In this paper, we summarized the recent research advances regarding the roles of GRX in rice development regulation and response to stresses, and discussed future research perspectives related to rice production. This review could provide information for rice researchers on the current status of the GRX and serve as guidance for breeding superior varieties.
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Affiliation(s)
- Rongrong Zhai
- Institute of Crop and Nuclear Technology Utilization, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Shenghai Ye
- Institute of Crop and Nuclear Technology Utilization, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Jing Ye
- Institute of Crop and Nuclear Technology Utilization, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Mingming Wu
- Institute of Crop and Nuclear Technology Utilization, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Guofu Zhu
- Institute of Crop and Nuclear Technology Utilization, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Faming Yu
- Institute of Crop and Nuclear Technology Utilization, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Xingyu Wang
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China
| | - Yue Feng
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China
| | - Xiaoming Zhang
- Institute of Crop and Nuclear Technology Utilization, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
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4
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Khodaeiaminjan M, Knoch D, Ndella Thiaw MR, Marchetti CF, Kořínková N, Techer A, Nguyen TD, Chu J, Bertholomey V, Doridant I, Gantet P, Graner A, Neumann K, Bergougnoux V. Genome-wide association study in two-row spring barley landraces identifies QTL associated with plantlets root system architecture traits in well-watered and osmotic stress conditions. FRONTIERS IN PLANT SCIENCE 2023; 14:1125672. [PMID: 37077626 PMCID: PMC10106628 DOI: 10.3389/fpls.2023.1125672] [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: 12/16/2022] [Accepted: 03/15/2023] [Indexed: 05/03/2023]
Abstract
Water availability is undoubtedly one of the most important environmental factors affecting crop production. Drought causes a gradual deprivation of water in the soil from top to deep layers and can occur at diverse stages of plant development. Roots are the first organs that perceive water deficit in soil and their adaptive development contributes to drought adaptation. Domestication has contributed to a bottleneck in genetic diversity. Wild species or landraces represent a pool of genetic diversity that has not been exploited yet in breeding program. In this study, we used a collection of 230 two-row spring barley landraces to detect phenotypic variation in root system plasticity in response to drought and to identify new quantitative trait loci (QTL) involved in root system architecture under diverse growth conditions. For this purpose, young seedlings grown for 21 days in pouches under control and osmotic-stress conditions were phenotyped and genotyped using the barley 50k iSelect SNP array, and genome-wide association studies (GWAS) were conducted using three different GWAS methods (MLM GAPIT, FarmCPU, and BLINK) to detect genotype/phenotype associations. In total, 276 significant marker-trait associations (MTAs; p-value (FDR)< 0.05) were identified for root (14 and 12 traits under osmotic-stress and control conditions, respectively) and for three shoot traits under both conditions. In total, 52 QTL (multi-trait or identified by at least two different GWAS approaches) were investigated to identify genes representing promising candidates with a role in root development and adaptation to drought stress.
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Affiliation(s)
- Mortaza Khodaeiaminjan
- Czech Advanced Technology and Research Institute, Palacký University in Olomouc, Olomouc, Czechia
| | - Dominic Knoch
- Department of Molecular Genetics, Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Gatersleben, Germany
| | | | - Cintia F. Marchetti
- Czech Advanced Technology and Research Institute, Palacký University in Olomouc, Olomouc, Czechia
| | - Nikola Kořínková
- Czech Advanced Technology and Research Institute, Palacký University in Olomouc, Olomouc, Czechia
| | - Alexie Techer
- Czech Advanced Technology and Research Institute, Palacký University in Olomouc, Olomouc, Czechia
| | - Thu D. Nguyen
- Czech Advanced Technology and Research Institute, Palacký University in Olomouc, Olomouc, Czechia
| | - Jianting Chu
- Department of Breeding Research, Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Gatersleben, Germany
| | - Valentin Bertholomey
- Limagrain Field Seeds, Traits and Technologies, Groupe Limagrain Centre de Recherche, Chappes, France
| | - Ingrid Doridant
- Limagrain Field Seeds, Traits and Technologies, Groupe Limagrain Centre de Recherche, Chappes, France
| | - Pascal Gantet
- Czech Advanced Technology and Research Institute, Palacký University in Olomouc, Olomouc, Czechia
- Unité Mixte de Recherche DIADE, Université de Montpellier, IRD, CIRAD, Montpellier, France
| | - Andreas Graner
- Department Genebank, Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Gatersleben, Germany
| | - Kerstin Neumann
- Department of Molecular Genetics, Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Gatersleben, Germany
| | - Véronique Bergougnoux
- Czech Advanced Technology and Research Institute, Palacký University in Olomouc, Olomouc, Czechia
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5
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Singh M, Guru A, Sudhakaran G, Pachaiappan R, Mahboob S, Al-Ghanim KA, Al-Misned F, Juliet A, Gobi M, Arokiaraj J. Copper sulfate induced toxicological impact on in-vivo zebrafish larval model protected due to acacetin via anti-inflammatory and glutathione redox mechanism. Comp Biochem Physiol C Toxicol Pharmacol 2022; 262:109463. [PMID: 36087706 DOI: 10.1016/j.cbpc.2022.109463] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 08/31/2022] [Accepted: 09/05/2022] [Indexed: 12/26/2022]
Abstract
Copper sulfate (CuSO4) as industrial effluent is intentionally or unintentionally released into water bodies and accumulates in the fish. Because of its numerous applications, CuSO4 can be hazardous to non-target creatures, producing direct alterations in fish habitats. Acacetin is a flavonoid present in all vascular plants that are extensively dispersed in plant pigments and responsible for many natural hues. However, the impact of acacetin on mitigating the toxic effect of CuSO4 in the in-vivo conditions is not known. The toxicity of acacetin was determined by measuring the survival, deformities and heart rate after treatment with various concentrations to larvae. The protective effect of acacetin was also observed in CuSO4 exposed zebrafish larvae by reducing malformation, mortality rate and oxidative stress. Meanwhile, the acacetin-protected larvae from CuSO4 effects through the molecular mechanism by suppressing pro-inflammatory genes (COX-2, TNF-α and IL-1) and upregulating antioxidant genes (GPx, GST and GR). Overall, our findings suggest that acacetin can act as a protective barrier against CuSO4-induced inflammation in an in-vivo zebrafish larval model.
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Affiliation(s)
- Mahima Singh
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603 203, Chennai, Tamil Nadu, India
| | - Ajay Guru
- Department of Biotechnology, College of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur 603 203, Chennai, Tamil Nadu, India
| | - Gokul Sudhakaran
- Department of Biotechnology, College of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur 603 203, Chennai, Tamil Nadu, India
| | - Raman Pachaiappan
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603 203, Chennai, Tamil Nadu, India
| | - Shahid Mahboob
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - K A Al-Ghanim
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - F Al-Misned
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Annie Juliet
- Institute for Cellular and Molecular Biology, The University of Texas at Austin, University Station A4800, Austin, TX 78712, USA
| | - Muthukaruppan Gobi
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603 203, Chennai, Tamil Nadu, India.
| | - Jesu Arokiaraj
- Department of Biotechnology, College of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur 603 203, Chennai, Tamil Nadu, India.
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6
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Sun W, Wei J, Wu G, Xu H, Chen Y, Yao M, Zhan J, Yan J, Wu N, Chen H, Bu T, Tang Z, Li Q. CqZF-HD14 enhances drought tolerance in quinoa seedlings through interaction with CqHIPP34 and CqNAC79. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 323:111406. [PMID: 35931235 DOI: 10.1016/j.plantsci.2022.111406] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 07/28/2022] [Accepted: 07/30/2022] [Indexed: 06/15/2023]
Abstract
Drought stress is a key agricultural problem that restricts plant development and crop yield. Research on quinoa (Chenopodium quinoa), a nutrient-rich crop with strong stress resistance, has been limited in terms of the molecular regulation of its adaptation to drought stress. This study identified the zinc finger-homeodomain (ZF-HD) family in quinoa and a drought-responsive Chenopodium quinoa ZF-HD14 (CqZF-HD14) through expression profiles. Transient overexpression of CqZF-HD14 promotes photosynthetic pigment accumulation under drought stress, strengthens the antioxidant system, and in turn enhances drought tolerance. Comprehensive genome-wide family analysis and expression profiling identified CqNAC79 and CqHIPP34 regulated by CqZF-HD14, and their interactions were further determined by bimolecular fluorescence complementation (BIFC). Moreover, physiological and biochemical analyses and transient overexpression also revealed that CqNAC79 and CqHIPP34 resist drought by promoting the accumulation of photosynthetic pigments and maintaining antioxidant capacity under drought stress. The synergistic effect of CqZF-HD14 with CqNAC79 or CqHIPP34 further enhanced the drought tolerance of quinoa seedlings. Taken together, the results indicate that CqZF-HD14, CqNAC79 and CqHIPP34 may be important contributors to the drought tolerance regulatory network in quinoa, and these findings add new members to the drought tolerance gene pool.
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Affiliation(s)
- Wenjun Sun
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Jianglan Wei
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Guoming Wu
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Haishen Xu
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Ying Chen
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Min Yao
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Junyi Zhan
- College of Life Science, Nanjing Agricultural University, Nanjing 210032, China.
| | - Jun Yan
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, School of Food and Biological Engineering, Chengdu University, Chengdu 610106, Sichuan, China.
| | - Na Wu
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Hui Chen
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Tongliang Bu
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Zizong Tang
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Qingfeng Li
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
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7
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Kerchev PI, Van Breusegem F. Improving oxidative stress resilience in plants. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2022; 109:359-372. [PMID: 34519111 DOI: 10.1111/tpj.15493] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 09/02/2021] [Accepted: 09/08/2021] [Indexed: 05/22/2023]
Abstract
Originally conceived as harmful metabolic byproducts, reactive oxygen species (ROS) are now recognized as an integral part of numerous cellular programs. Thanks to their diverse physicochemical properties, compartmentalized production, and tight control exerted by the antioxidant machinery they activate signaling pathways that govern plant growth, development, and defense. Excessive ROS levels are often driven by adverse changes in environmental conditions, ultimately causing oxidative stress. The associated negative impact on cellular constituents have been a major focus of decade-long research efforts to improve the oxidative stress resilience by boosting the antioxidant machinery in model and crop species. We highlight the role of enzymatic and non-enzymatic antioxidants as integral factors of multiple signaling cascades beyond their mere function to prevent oxidative damage under adverse abiotic stress conditions.
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Affiliation(s)
- Pavel I Kerchev
- Phytophthora Research Centre, Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, 61300, Brno, Czech Republic
| | - Frank Van Breusegem
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052, Gent, Belgium
- Center for Plant Systems Biology, VIB, 9052, Gent, Belgium
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8
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Wang Y, Chen Q, Zheng J, Zhang Z, Gao T, Li C, Ma F. Overexpression of the tyrosine decarboxylase gene MdTyDC in apple enhances long-term moderate drought tolerance and WUE. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 313:111064. [PMID: 34763856 DOI: 10.1016/j.plantsci.2021.111064] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/24/2021] [Accepted: 09/17/2021] [Indexed: 06/13/2023]
Abstract
Drought stress affects the apple yield and quality. Tyrosine decarboxylase (TyDC) plays a fundamental role in many secondary metabolite reactions in higher plants (including those involving dopamine). Our aims of this study are: 1) to identify the role of TyDC in dopamine derivative biosynthesis and its function in long-term moderate drought conditions; and 2) to explore the role of MdTyDC in plant growth and development as well as the drought stress response. Wild type and three independently apple plants overexpression of MdTyDC were treated for long-term moderate drought stress. The growth and physiological parameters of apple plant, photosynthetic capacity, antioxidant enzymes activity, water use efficiency (WUE), stomatal behavior, amino acid content and dopamine content were detected under long-term moderate drought stress. Overexpression of MdTyDC (OE) in apple showed better growth performance, higher photosynthetic capacity and higher capacity for photochemical reactions than wild type lines (WT). Under long-term moderate drought stress, OE lines showed higher WUE, increased ABA content, decreased stomatal aperture, higher antioxidant activity, lower accumulation of ROS and increases in amino acids, such as proline, phenylalanine and lysine. In addition, qRT-PCR revealed higher gene expression of MdTyDC and dopamine content in OE compared with WT lines under long-term moderate drought stress. These results indicate that MdTyDC confers long-term moderate drought tolerance by improving photosynthetic capacity, WUE, antioxidant activity, dopamine content and changing the contents of amino acids (such as proline accumulation).
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Affiliation(s)
- Yanpeng Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, PR China.
| | - Qi Chen
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, PR China.
| | - Jiangzhu Zheng
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, PR China.
| | - Zhijun Zhang
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, PR China.
| | - Tengteng Gao
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, PR China.
| | - Chao Li
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, PR China.
| | - Fengwang Ma
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, PR China.
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9
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Gu X, Gao S, Li J, Song P, Zhang Q, Guo J, Wang X, Han X, Wang X, Zhu Y, Zhu Z. The bHLH transcription factor regulated gene OsWIH2 is a positive regulator of drought tolerance in rice. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 169:269-279. [PMID: 34823144 DOI: 10.1016/j.plaphy.2021.11.031] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 11/16/2021] [Accepted: 11/17/2021] [Indexed: 06/13/2023]
Abstract
Drought is a major abiotic stress limiting crop growth and yield. In this study, we characterized a novel drought tolerance induced WIH gene in rice, OsWIH2. Overexpression of OsWIH2 in rice resulted in significantly higher drought tolerance, probably due to the decreased water loss rate and reactive oxygen species (ROS) accumulation under drought stress. We identified a long-chain fatty acid HOTHEAD (HTH) that interacted with OsWIH2 using yeast two-hybrid screening. OsWIH2 is an enzyme which is involved in fatty acid synthesis. We further demonstrated that the drought-inducible bHLH transcription factor OsbHLH130 could activate the expression of OsWIH2. Overall, our results suggest that drought stress may induce OsbHLH130 accumulation, which in turn activates OsWIH2 expression, and the latter improves rice drought tolerance by participating in cuticular wax biosynthesis and reducing the water loss rate as well as ROS accumulation. This research provides new genes for crop improvement.
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Affiliation(s)
- Xiangyang Gu
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaboration Innovation Center for Cell Signaling, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Shuxin Gao
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaboration Innovation Center for Cell Signaling, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Jing Li
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaboration Innovation Center for Cell Signaling, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Pengyu Song
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaboration Innovation Center for Cell Signaling, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Qian Zhang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaboration Innovation Center for Cell Signaling, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Jinfeng Guo
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaboration Innovation Center for Cell Signaling, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Xiaoyan Wang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaboration Innovation Center for Cell Signaling, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Xiaoyu Han
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaboration Innovation Center for Cell Signaling, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Xiaoji Wang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaboration Innovation Center for Cell Signaling, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Ying Zhu
- State Key Laboratory for Managing Biotic and Chemical Treats to the Quality and Safety of Agro-products, Institute of Virology and Biotechnology, Zhejiang Academy of Agricultural Science, Hangzhou, 310021, China
| | - Zhengge Zhu
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaboration Innovation Center for Cell Signaling, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China.
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10
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Kakeshpour T, Tamang TM, Motolai G, Fleming ZW, Park JE, Wu Q, Park S. CGFS-type glutaredoxin mutations reduce tolerance to multiple abiotic stresses in tomato. PHYSIOLOGIA PLANTARUM 2021; 173:1263-1279. [PMID: 34392538 DOI: 10.1111/ppl.13522] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 07/23/2021] [Accepted: 08/06/2021] [Indexed: 06/13/2023]
Abstract
Sessile organisms such as plants have adopted diverse reactive oxygen species (ROS) scavenging mechanisms to mitigate damage under abiotic stress conditions. Though CGFS-type glutaredoxin (GRX) genes are important regulators of ROS homeostasis, each of their functions in crop plants have not yet been well understood. We performed a targeted mutagenesis analysis of four CGFS-type GRXs (SlGRXS14, SlGRXS15, SlGRXS16, and SlGRXS17) in tomato plants (Solanum lycopersicum) using a multiplex clustered regularly interspaced short palindromic repeats (CRISPR)/Cas9 system and found that Slgrxs mutants were more sensitive to various abiotic stresses compared with the wild-type tomatoes. Slgrxs15 mutants were embryonic lethal. Single, double, and triple combinations of Slgrxs14, 16, and 17 mutants were examined under heat, chilling, drought, heavy metal toxicity, nutrient deficiency, and short photoperiod stresses. Slgrxs14 and 17 mutants showed hypersensitivity to almost all stresses while Slgrxs16 mutants were affected by chilling stress and showed milder sensitivity to other stresses. Additionally, Slgrxs14 and 17 mutants showed delayed flowering time. Our results indicate that the CGFS-type SlGRXs have specific roles against abiotic stresses, providing valuable resources to develop tomato and, possibly, other crop species that are tolerant to multiple abiotic stresses by genetic engineering.
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Affiliation(s)
- Tayebeh Kakeshpour
- Department of Horticulture and Natural Resources, Kansas State University, Manhattan, Kansas, USA
| | - Tej Man Tamang
- Department of Horticulture and Natural Resources, Kansas State University, Manhattan, Kansas, USA
| | - Gergely Motolai
- Department of Horticulture and Natural Resources, Kansas State University, Manhattan, Kansas, USA
| | - Zachary Wayne Fleming
- Department of Horticulture and Natural Resources, Kansas State University, Manhattan, Kansas, USA
| | - Jung-Eun Park
- Department of Horticulture and Natural Resources, Kansas State University, Manhattan, Kansas, USA
| | - Qingyu Wu
- Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Sunghun Park
- Department of Horticulture and Natural Resources, Kansas State University, Manhattan, Kansas, USA
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11
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Sarma H, Islam NF, Prasad R, Prasad MNV, Ma LQ, Rinklebe J. Enhancing phytoremediation of hazardous metal(loid)s using genome engineering CRISPR-Cas9 technology. JOURNAL OF HAZARDOUS MATERIALS 2021; 414:125493. [PMID: 34030401 DOI: 10.1016/j.jhazmat.2021.125493] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/15/2021] [Accepted: 02/21/2021] [Indexed: 05/15/2023]
Abstract
Rapid and drastic changes in the global climate today have given a strong impetus to developing newer climate-resilient phytoremediation approaches. These methods are of great public and scientific importance given the urgency of this environmental crisis. Climate change has adverse effects on the growth, outputs, phenology, and overall productivity of plants. Contamination of soil with metal(loid)s is a major worldwide problem. Some metal(loids) are carcinogenic pollutants that have a long half-life and are non-degradable in the environment. There are many instances of the potential link between chronic heavy metal exposure and human disease. The adaptation of plants in the changing environment is, however, a major concern in phytoremediation practice. The creation of climate-resistant metal hyperaccumulation plants using molecular techniques could provide new opportunities to mitigate these problems. Consequently, advancements in molecular science would accelerate our knowledge of adaptive plant remediation/resistance and plant production in the context of global warming. Genome modification using artificial nucleases has the potential to enhance phytoremediation by modifying genomes for a sustainable future. This review focuses on biotechnology to boost climate change tolerant metallicolous plants and the future prospects of such technology, particularly the CRISPR-Cas9 genome editing system, for enhancing phytoremediation of hazardous pollutants.
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Affiliation(s)
- Hemen Sarma
- Department of Botany, N N Saikia College, Titabar 785 630, Assam, India
| | - N F Islam
- Department of Botany, N N Saikia College, Titabar 785 630, Assam, India
| | - Ram Prasad
- Department of Botany, School of Life Sciences, Mahatma Gandhi Central University, Motihari 845401, Bihar, India
| | - M N V Prasad
- School of Life Sciences, University of Hyderabad, Hyderabad 500046 Telangana, India
| | - Lena Q Ma
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jörg Rinklebe
- Laboratory of Soil-, and Groundwater-Management, Institute of Soil Engineering, Waste and Water Science, Faculty of Architecture and Civil Engineering, University of Wuppertal, Pauluskirchstraße 7, 42285 Wuppertal, Germany; University of Sejong, Department of Environment, Energy and Geoinformatics, 98 Gunja-Dong, Guangjin-Gu, Seoul, Republic of Korea.
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12
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Kumar A, Kumar V, Dubey AK, Ansari MA, Narayan S, Kumar S, Pandey V, Pande V, Sanyal I. Chickpea glutaredoxin ( CaGrx) gene mitigates drought and salinity stress by modulating the physiological performance and antioxidant defense mechanisms. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2021; 27:923-944. [PMID: 34092945 PMCID: PMC8140008 DOI: 10.1007/s12298-021-00999-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 04/01/2021] [Accepted: 04/22/2021] [Indexed: 05/23/2023]
Abstract
UNLABELLED Glutaredoxins (Grxs) are short, cysteine-rich glutathione (GSH)-mediated oxidoreductases. In this study, a chickpea (Cicer arietinum L.) glutaredoxin [LOC101493651 (CaGrx)] gene has been selected based on screening experiments with two contrasting varieties of chickpea, PUSA-362 (drought-tolerant) and ICC-1882 (drought-sensitive) under drought and salinity. The tolerant variety showed higher CaGrx gene expression, as compared to less in the sensitive variety, under both the stresses. The CaGrx gene was then over-expressed in Arabidopsis thaliana and were exposed to drought and salinity. The over-expression of CaGrx elevated the activity of glutaredoxin, which induced antioxidant enzymes (glutathione reductase; GR, glutathione peroxidase; GPX, catalase; CAT, ascorbate peroxidase; APX, glutathione-S-transferase; GST, superoxide dismutase; SOD, monodehydroascorbate reductase; MDHAR, and dehydroascorbate reductase; DHAR), antioxidants (GSH and ascorbate) and stress-responsive amino acids (cysteine and proline). Enhancement in the antioxidant defense system possibly administered tolerance in transgenics against both stresses. CaGrx reduced stress markers (H2O2, TBARS, and electrolyte leakage) and enhanced root growth, seed germination, and survival against both stresses. The physiological parameters (net photosynthesis; P N, water use efficiency; WUE, stomatal conductance; g s, transpiration; E, electron transport rate; ETR, and photochemical quenching; qP), chlorophylls and carotenoids, were improved in the transgenics during both stresses, that maintained the photosynthetic apparatus and protected the plants from damage. The enhanced activity of the cysteine biosynthesis enzyme, o-acetylserine (thiol) lyase (OAS-TL), increased the cysteine level in the transgenics, which elevated glutathione biosynthesis to maintain the ascorbate-glutathione cycle under both stresses. This investigation verified that the CaGrx gene provides tolerance against salinity and drought, maintaining physiological and morphological performances, and could be exploited for genetic engineering approaches to overcome both the stresses in various crops. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s12298-021-00999-z.
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Affiliation(s)
- Anil Kumar
- Plant Transgenic Laboratory, Molecular Biology and Biotechnology Division, CSIR-National Botanical Research Institute, Lucknow, India
- Department of Biotechnology, Bhimtal Campus, Kumaun University, Nainital, India
| | - Varun Kumar
- Plant Transgenic Laboratory, Molecular Biology and Biotechnology Division, CSIR-National Botanical Research Institute, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - Arvind Kumar Dubey
- Plant Transgenic Laboratory, Molecular Biology and Biotechnology Division, CSIR-National Botanical Research Institute, Lucknow, India
- Department of Biotechnology, Bhimtal Campus, Kumaun University, Nainital, India
| | - Mohd Akram Ansari
- Plant Transgenic Laboratory, Molecular Biology and Biotechnology Division, CSIR-National Botanical Research Institute, Lucknow, India
- Department of Biotechnology, Bhimtal Campus, Kumaun University, Nainital, India
| | - Shiv Narayan
- Plant Transgenic Laboratory, Molecular Biology and Biotechnology Division, CSIR-National Botanical Research Institute, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - Sanoj Kumar
- Plant Transgenic Laboratory, Molecular Biology and Biotechnology Division, CSIR-National Botanical Research Institute, Lucknow, India
| | - Vivek Pandey
- Plant Transgenic Laboratory, Molecular Biology and Biotechnology Division, CSIR-National Botanical Research Institute, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - Veena Pande
- Department of Biotechnology, Bhimtal Campus, Kumaun University, Nainital, India
| | - Indraneel Sanyal
- Plant Transgenic Laboratory, Molecular Biology and Biotechnology Division, CSIR-National Botanical Research Institute, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
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13
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Yoon JS, Kim JY, Kim DY, Seo YW. A novel wheat ASR gene, TaASR2D, enhances drought tolerance in Brachypodium distachyon. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 159:400-414. [PMID: 33229191 DOI: 10.1016/j.plaphy.2020.11.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 11/13/2020] [Indexed: 06/11/2023]
Abstract
Abscisic acid-, stress-, and ripening-induced (ASR) proteins play an important role in protecting plants against adverse environmental conditions. Here, we identified 24 ASR genes in the wheat genome and analyzed their characteristics. Among these, five ASR genes highly induced by abscisic acid (ABA) and polyethylene glycol were cloned and further characterized. The TaASR genes were expressed in response to different abiotic stresses and ABA and were found to be localized in the nucleus and plasma membrane of transformed tobacco cells. Brachypodium distachyon transgenic plants overexpressing TaASR2D showed enhanced drought tolerance by regulating leaf transpiration. The expression levels of stress-related and ABA-responsive genes were higher in transgenic plants than in wild-type plants under drought stress conditions. Moreover, overexpression of TaASR2D increased the levels of both endogenous ABA and hydrogen peroxide in response to drought stress, and these plants showed hypersensitivity to exogenous ABA at the germination stage. Furthermore, plants overexpressing TaASR2D showed increased stomatal closure. Further analysis revealed that TaASR2D interacts with ABA biosynthesis and stress-related proteins in yeast and tobacco plants. Collectively, these findings indicate that TaASR2D plays an important role in the response of plants to drought stress by regulating the ABA biosynthesis pathway and redox homeostasis system.
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Affiliation(s)
- Jin Seok Yoon
- Department of Plant Biotechnology, Korea University, Seongbuk-Gu, Seoul, 02841, Republic of Korea
| | - Jae Yoon Kim
- Department of Plant Biotechnology, Korea University, Seongbuk-Gu, Seoul, 02841, Republic of Korea; Department of Plant Resources, Kongju National University, Yesan, Chungnam, 32439, Republic of Korea
| | - Dae Yeon Kim
- Department of Plant Biotechnology, Korea University, Seongbuk-Gu, Seoul, 02841, Republic of Korea
| | - Yong Weon Seo
- Department of Plant Biotechnology, Korea University, Seongbuk-Gu, Seoul, 02841, Republic of Korea.
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Moursi YS, Thabet SG, Amro A, Dawood MFA, Baenziger PS, Sallam A. Detailed Genetic Analysis for Identifying QTLs Associated with Drought Tolerance at Seed Germination and Seedling Stages in Barley. PLANTS (BASEL, SWITZERLAND) 2020; 9:plants9111425. [PMID: 33114292 PMCID: PMC7690857 DOI: 10.3390/plants9111425] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/14/2020] [Accepted: 10/16/2020] [Indexed: 05/08/2023]
Abstract
Drought induces several challenges for plant development, growth, and production. These challenges become more severe, in particular, in arid and semiarid countries like Egypt. In terms of production, barley ranks fourth after wheat, maize, and rice. Seed germination and seedling stages are critical stages for plant establishment and growth. In the current study, 60 diverse barley genotypes were tested for drought tolerance using two different treatments: control (0-PEG) and drought (20%-PEG). Twenty-two traits were estimated for seed germination and seedling parameters. All traits were reduced under drought stress, and a significant variation was found among genotypes under control and stress conditions. The broad-sense heritability estimates were very high under both control and drought for all traits. It ranged from 0.63 to 0.97 under the control condition and from 0.89 to 0.97 under drought, respectively. These high heritabilities suggested that genetic improvement of drought tolerance in barley at both stages is feasible. The principal component analysis revealed that root-related parameters account for the largest portion of phenotypic variation in this collection. The single-marker analysis (SMA) resulted in 71 quantitative trait loci (QTLs) distributed across the seven chromosomes of barley. Thirty-three QTLs were detected for root-length-related traits. Many hotspots of QTLs were detected for various traits. Interestingly, some markers controlled many traits in a pleiotropic manner; thus, they can be used to control multiple traits at a time. Some QTLs were constitutive, i.e., they are mapped under control and drought, and targeting these QTLs makes the selection for drought tolerance a single-step process. The results of gene annotation analysis revealed very potential candidate genes that can be targeted to select for drought tolerance.
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Affiliation(s)
- Yasser S. Moursi
- Department of Botany, Faculty of Science, University of Fayoum, Fayoum 63514, Egypt; (Y.S.M.); (S.G.T.)
| | - Samar G. Thabet
- Department of Botany, Faculty of Science, University of Fayoum, Fayoum 63514, Egypt; (Y.S.M.); (S.G.T.)
| | - Ahmed Amro
- Department of Botany and Microbiology, Faculty of Science, Assiut University, Asyut 71516, Egypt; (A.A.); (M.F.A.D.)
| | - Mona F. A. Dawood
- Department of Botany and Microbiology, Faculty of Science, Assiut University, Asyut 71516, Egypt; (A.A.); (M.F.A.D.)
| | - P. Stephen Baenziger
- Department of Agronomy & Horticulture, University of Nebraska-Lincoln, Lincoln, NE 68588, USA;
| | - Ahmed Sallam
- Department of Genetics, Faculty of Agriculture, Assiut University, Asyut 71526, Egypt
- Correspondence:
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