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Chandrasekaran U, Park S, Kim K, Byeon S, Han AR, Lee YS, Oh NH, Chung H, Choe H, Kim HS. Energy deprivation affects nitrogen assimilation and fatty acid biosynthesis leading to leaf chlorosis under waterlogging stress in the endangered Abies koreana. TREE PHYSIOLOGY 2024; 44:tpae055. [PMID: 38775218 DOI: 10.1093/treephys/tpae055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 05/15/2024] [Accepted: 05/21/2024] [Indexed: 06/21/2024]
Abstract
Energy deprivation triggers various physiological, biochemical and molecular changes in plants under abiotic stress. We investigated the oxidative damages in the high altitude grown conifer Korean fir (Abies koreana) exposed to waterlogging stress. Our experimental results showed that waterlogging stress led to leaf chlorosis, 35 days after treatment. A significant decrease in leaf fresh weight, chlorophyll and sugar content supported this phenotypic change. Biochemical analysis showed a significant increase in leaf proline, lipid peroxidase and 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical content of waterlogged plants. To elucidate the molecular mechanisms, we conducted RNA-sequencing (RNA-seq) and de novo assembly. Using RNA-seq analysis approach and filtering (P < 0.05 and false discovery rate <0.001), we obtained 134 unigenes upregulated and 574 unigenes downregulated. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis placed the obtained differentially expressed unigenes in α-linoleic pathway, fatty acid degradation, glycosis, glycolipid metabolism and oligosaccharide biosynthesis process. Mapping of unigenes with Arabidopsis using basic local alignment search tool for nucleotides showed several critical genes in photosynthesis and carbon metabolism downregulated. Following this, we found the repression of multiple nitrogen (N) assimilation and nucleotide biosynthesis genes including purine metabolism. In addition, waterlogging stress reduced the levels of polyunsaturated fatty acids with a concomitant increase only in myristic acid. Together, our results indicate that the prolonged snowmelt may cause inability of A. koreana seedlings to lead the photosynthesis normally due to the lack of root intercellular oxygen and emphasizes a detrimental effect on the N metabolic pathway, compromising this endangered tree's ability to be fully functional under waterlogging stress.
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Affiliation(s)
- Umashankar Chandrasekaran
- Department of Agriculture, Forestry and Bioresources, Seoul National University College of Agriculture and Life Sciences, 1 Gwanak-gu, Seoul 08826, Republic of Korea
- Research Institute of Agriculture and Life Sciences, Seoul National University College of Agriculture and Life Sciences, 1 Gwanak-gu, Seoul 08826, Republic of Korea
| | - Sanghee Park
- Department of Agriculture, Forestry and Bioresources, Seoul National University College of Agriculture and Life Sciences, 1 Gwanak-gu, Seoul 08826, Republic of Korea
| | - Kunhyo Kim
- Department of Agriculture, Forestry and Bioresources, Seoul National University College of Agriculture and Life Sciences, 1 Gwanak-gu, Seoul 08826, Republic of Korea
| | - Siyeon Byeon
- Department of Agriculture, Forestry and Bioresources, Seoul National University College of Agriculture and Life Sciences, 1 Gwanak-gu, Seoul 08826, Republic of Korea
| | - Ah Reum Han
- Division of Basic Research, National Institute of Ecology, 1210 Geumgang-ro, Seocheon-gun 33657, Republic of Korea
| | - Young-Sang Lee
- Division of Basic Research, National Institute of Ecology, 1210 Geumgang-ro, Seocheon-gun 33657, Republic of Korea
| | - Neung-Hwan Oh
- Department of Environmental Planning, Graduate School of Environmental Studies, Seoul National University, 1 Gwanak-gu, Seoul 08826, Republic of Korea
- Environmental Planning Institute, Seoul National University, 1 Gwanak-gu, Seoul 08826, Republic of Korea
| | - Haegeun Chung
- Department of Environmental Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Hyeyeong Choe
- Department of Agriculture, Forestry and Bioresources, Seoul National University College of Agriculture and Life Sciences, 1 Gwanak-gu, Seoul 08826, Republic of Korea
| | - Hyun Seok Kim
- Department of Agriculture, Forestry and Bioresources, Seoul National University College of Agriculture and Life Sciences, 1 Gwanak-gu, Seoul 08826, Republic of Korea
- Research Institute of Agriculture and Life Sciences, Seoul National University College of Agriculture and Life Sciences, 1 Gwanak-gu, Seoul 08826, Republic of Korea
- Interdisciplinary Program in Agricultural and Forest Meteorology, Seoul National University College of Agriculture and Life Sciences, 1 Gwanak-gu, Seoul 08826, Republic of Korea
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Guo Y, Liu C, Zhang Y, Zheng S, Cao P, Wang X, Tian Z. Characterization key genes of Arabidopsis seedlings in response to β-caryophyllene, eugenol using combined transcriptome and WGCN analysis. FRONTIERS IN PLANT SCIENCE 2024; 14:1295779. [PMID: 38239209 PMCID: PMC10794411 DOI: 10.3389/fpls.2023.1295779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 12/07/2023] [Indexed: 01/22/2024]
Abstract
Weeds present a significant challenge to high crop yield and quality. In our study, we investigated the phytotoxic activity of β-caryophyllene (BCP) and eugenol, which are natural allelopathic chemical compounds, on Arabidopsis seedlings. We found that these compounds inhibited the growth of Arabidopsis thaliana plants. When either BCP or eugenol was applied, it led to decrease in the content of cell wall components such as lignin, cellulose, hemicellulose, and pectin; and increase in the levels of endogenous hormones like ETH, ABA, SA, and JA in the seedlings. Through transcriptome profiling, we identified 7181 differentially expressed genes (DEGs) in the roots and shoots that were induced by BCP or eugenol. The genes involved in the synthesis of lignin, cellulose, hemicellulose, and pectin were down-regulated, whereas genes related to synthesis and signal transduction of ABA, ETH, SA, and JA were up-regulated. However, genes related to IAA synthesis and signal transduction were found to be down-regulated. Furthermore, we characterized 24 hub genes using Weighted Correlation Network Analysis (WGCNA). Among them, the identified 16 genes in response to BCP was primarily associated with hypoxia stress, while 8 genes induced by eugenol were linked to inhibition of cell division. Our results suggested that BCP and eugenol had ability to target multiple genes to inhibit growth and development of Arabidopsis plants. Therefore, they can serve as excellent candidates for natural biological herbicides.
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Affiliation(s)
- Yuqi Guo
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Chang Liu
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Yaran Zhang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Shuting Zheng
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Ping Cao
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Xiaomin Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Zengyuan Tian
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou, Henan, China
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Xing M, Huang K, Zhang C, Xi D, Luo H, Pei J, Ruan R, Liu H. Transcriptome Analysis Reveals the Molecular Mechanism and Responsive Genes of Waterlogging Stress in Actinidia deliciosa Planch Kiwifruit Plants. Int J Mol Sci 2023; 24:15887. [PMID: 37958870 PMCID: PMC10649176 DOI: 10.3390/ijms242115887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 10/13/2023] [Accepted: 10/20/2023] [Indexed: 11/15/2023] Open
Abstract
Waterlogging stress is one of the major natural issues resulting in stunted growth and loss of agricultural productivity. Cultivated kiwifruits are popular for their rich vitamin C content and unique flavor among consumers, while commonly sensitive to waterlogging stress. The wild kiwifruit plants are usually obliged to survive in harsh environments. Here, we carried out a transcriptome analysis by high-throughput RNA sequencing using the root tissues of Actinidia deliciosa (a wild resource with stress-tolerant phenotype) after waterlogging for 0 d, 3 d, and 7 d. Based on the RNA sequencing data, a high number of differentially expressed genes (DEGs) were identified in roots under waterlogging treatment, which were significantly enriched into four biological processes, including stress response, metabolic processes, molecular transport, and mitotic organization, by gene ontology (GO) simplify enrichment analysis. Among these DEGs, the hypoxia-related genes AdADH1 and AdADH2 were correlated well with the contents of acetaldehyde and ethanol, and three transcription factors Acc26216, Acc08443, and Acc16908 were highly correlated with both AdADH1/2 genes and contents of acetaldehyde and ethanol. In addition, we found that there might be an evident difference among the promoter sequences of ADH genes from A. deliciosa and A. chinensis. Taken together, our results provide additional information on the waterlogging response in wild kiwifruit plants.
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Affiliation(s)
| | | | | | | | | | | | | | - Hui Liu
- Hangzhou Academy of Agricultural Sciences, Hangzhou 310024, China; (M.X.); (K.H.); (C.Z.); (D.X.); (H.L.); (J.P.); (R.R.)
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Gedam PA, Khandagale K, Shirsat D, Thangasamy A, Kulkarni O, Kulkarni A, Patil SS, Barvkar VT, Mahajan V, Gupta AJ, Bhagat KP, Khade YP, Singh M, Gawande S. Elucidating the molecular responses to waterlogging stress in onion ( Allium cepa L.) leaf by comparative transcriptome profiling. FRONTIERS IN PLANT SCIENCE 2023; 14:1150909. [PMID: 37615019 PMCID: PMC10442827 DOI: 10.3389/fpls.2023.1150909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 07/19/2023] [Indexed: 08/25/2023]
Abstract
Introduction Waterlogging is a major stress that severely affects onion cultivation worldwide, and developing stress-tolerant varieties could be a valuable measure for overcoming its adverse effects. Gathering information regarding the molecular mechanisms and gene expression patterns of waterlogging-tolerant and sensitive genotypes is an effective method for improving stress tolerance in onions. To date, the waterlogging tolerance-governing molecular mechanism in onions is unknown. Methods This study identified the differentially expressed genes (DEGs) through transcriptome analysis in leaf tissue of two onion genotypes (Acc. 1666; tolerant and W-344; sensitive) presenting contrasting responses to waterlogging stress. Results Differential gene expression analysis revealed that in Acc. 1666, 1629 and 3271 genes were upregulated and downregulated, respectively. In W-344, 2134 and 1909 genes were upregulated and downregulated, respectively, under waterlogging stress. The proteins coded by these DEGs regulate several key biological processes to overcome waterlogging stress such as phytohormone production, antioxidant enzymes, programmed cell death, and energy production. The clusters of orthologous group pathway analysis revealed that DEGs contributed to the post-translational modification, energy production, and carbohydrate metabolism-related pathways under waterlogging stress. The enzyme assay demonstrated higher activity of antioxidant enzymes in Acc. 1666 than in W-344. The differential expression of waterlogging tolerance related genes, such as those related to antioxidant enzymes, phytohormone biosynthesis, carbohydrate metabolism, and transcriptional factors, suggested that significant fine reprogramming of gene expression occurs in response to waterlogging stress in onion. A few genes such as ADH, PDC, PEP carboxylase, WRKY22, and Respiratory burst oxidase D were exclusively upregulated in Acc. 1666. Discussion The molecular information about DEGs identified in the present study would be valuable for improving stress tolerance and for developing waterlogging tolerant onion varieties.
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Affiliation(s)
- Pranjali A. Gedam
- Indian Council of Agricultural Research (ICAR)-Directorate of Onion and Garlic Research, Pune, India
| | - Kiran Khandagale
- Indian Council of Agricultural Research (ICAR)-Directorate of Onion and Garlic Research, Pune, India
| | - Dhananjay Shirsat
- Indian Council of Agricultural Research (ICAR)-Directorate of Onion and Garlic Research, Pune, India
| | - A. Thangasamy
- Indian Council of Agricultural Research (ICAR)-Directorate of Onion and Garlic Research, Pune, India
| | - Onkar Kulkarni
- Bioinformatics Centre, Savitribai Phule Pune University, Pune, India
| | - Abhijeet Kulkarni
- Bioinformatics Centre, Savitribai Phule Pune University, Pune, India
| | | | | | - Vijay Mahajan
- Indian Council of Agricultural Research (ICAR)-Directorate of Onion and Garlic Research, Pune, India
| | - Amar Jeet Gupta
- Indian Council of Agricultural Research (ICAR)-Directorate of Onion and Garlic Research, Pune, India
| | - Kiran P. Bhagat
- Indian Council of Agricultural Research (ICAR)-Directorate of Floriculture Research, Pune, India
| | - Yogesh P. Khade
- Indian Council of Agricultural Research (ICAR)-Directorate of Onion and Garlic Research, Pune, India
| | - Major Singh
- Indian Council of Agricultural Research (ICAR)-Directorate of Onion and Garlic Research, Pune, India
| | - Suresh Gawande
- Indian Council of Agricultural Research (ICAR)-Directorate of Onion and Garlic Research, Pune, India
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Gao M, Gai C, Li X, Feng X, Lai R, Song Y, Zeng R, Chen D, Chen Y. Waterlogging Tolerance of Actinidia valvata Dunn Is Associated with High Activities of Pyruvate Decarboxylase, Alcohol Dehydrogenase and Antioxidant Enzymes. PLANTS (BASEL, SWITZERLAND) 2023; 12:2872. [PMID: 37571025 PMCID: PMC10421509 DOI: 10.3390/plants12152872] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/27/2023] [Accepted: 08/01/2023] [Indexed: 08/13/2023]
Abstract
Kiwifruit (Actinidia spp.) is susceptible to waterlogging stress. Although abundant wild germplasm resources exist among Actinidia plants for improving the waterlogging tolerance of kiwifruit cultivars, the underlying mechanisms remain largely unknown. Here, a comparative study was undertaken using one wild germplasm, Maorenshen (A. valvata Dunn, MRS), and one cultivar, Miliang-1 (A. chinensis var. deliciosa (A.Chev.) A.Chev. cv. Miliang-1, ML). Under stress, the ML plantlets were seriously damaged with wilted chlorotic leaves and blackened rotten roots, whereas the symptoms of injury in the MRS plantlets were much fewer, along with higher photosynthetic rates, chlorophyll fluorescence characteristics and root activity under stress conditions. However, neither aerenchyma in the root nor adventitious roots appeared in both germplasms upon stress exposure. The activities of pyruvate decarboxylase (PDC) and alcohol dehydrogenase (ADH), as well as their transcript levels, were constitutively higher in MRS than those in ML under both normal and stress conditions. Waterlogging stress significantly enhanced the PDC and ADH enzyme activities in both germplasms, which were 60.8% and 22.4% higher in the MRS roots than those in the ML roots under waterlogging stress, respectively. Moreover, MRS displayed higher activities of antioxidant enzymes, including SOD, CAT, and APX, as well as DPPH-radical scavenging ability, and decreased H2O2 and MDA accumulation under both normal and stress conditions. Our findings suggest that the waterlogging tolerance of the wild A. valvata germplasm was associated with high PDC and ADH, as well as antioxidant ability.
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Affiliation(s)
- Minxia Gao
- Fruit Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou 350013, China
| | - Chaoyue Gai
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Jinshan, Fuzhou 350002, China
| | - Xinyu Li
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Jinshan, Fuzhou 350002, China
| | - Xin Feng
- Fruit Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou 350013, China
| | - Ruilian Lai
- Fruit Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou 350013, China
| | - Yuanyuan Song
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Jinshan, Fuzhou 350002, China
| | - Rensen Zeng
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Jinshan, Fuzhou 350002, China
| | - Daoqian Chen
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Jinshan, Fuzhou 350002, China
| | - Yiting Chen
- Fruit Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou 350013, China
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Gu L, Chen X, Hou Y, Wang H, Wang H, Zhu B, Du X. ZmWRKY70 activates the expression of hypoxic responsive genes in maize and enhances tolerance to submergence in Arabidopsis. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 201:107861. [PMID: 37364509 DOI: 10.1016/j.plaphy.2023.107861] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/29/2023] [Accepted: 06/22/2023] [Indexed: 06/28/2023]
Abstract
Hypoxic stress due to submergence is a serious threat to the growth and development of maize. WRKY transcription factors are significant regulators of plant responses to various abiotic and biotic stresses. Nevertheless, their function and regulatory mechanisms in the resistance of maize to submergence stress remain unclear. Here we report the cloning of a maize WRKY transcription factor gene, ZmWRKY70, transcripts of which accumulate under submergence stress in maize seedlings. Subcellular localization analysis and yeast transcriptional activation assay indicated that ZmWRKY70 was localized in the nucleus and had transcriptional activation activity. Heterologous overexpression of ZmWRKY70 in Arabidopsis increased the tolerance of seeds and seedlings to submergence stress by upregulating the transcripts of several key genes involved in anaerobic respiration, such as group VII ethylene-responsive factor (ERFVII) (AtRAP2.2), alcohol dehydrogenase (AtADH1), pyruvate decarboxylase (AtPDC1/2), and sucrose synthase (AtSUS4), under submergence conditions. Moreover, the overexpression of ZmWRKY70 in maize mesophyll protoplasts enhanced the expression of ZmERFVII members (ZmERF148, ZmERF179, and ZmERF193), ZmADH1, ZmPDC2/3, and ZmSUS1. Yeast one-hybrid and dual-luciferase activity assays further confirmed that ZmWRKY70 enhanced the expression of ZmERF148 by binding to the W box motif located in the promoter region of ZmERF148. Together, these results indicate that ZmWRKY70 plays a significant role in tolerance of submergence stress. This work provides a theoretical basis, and suggests excellent genes, for biotechnological breeding to improve the tolerance of maize to submergence through the regulation of ZmWRKY genes.
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Affiliation(s)
- Lei Gu
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, China
| | - Xuanxuan Chen
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, China
| | - Yunyan Hou
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, China
| | - Heyan Wang
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, China
| | - Hongcheng Wang
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, China
| | - Bin Zhu
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, China
| | - Xuye Du
- School of Life Sciences, Guizhou Normal University, Guiyang, 550025, China.
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Yang X, Jiang Z, He J, Shen L. iTRAQ-Based Quantitative Proteomics Unveils Protein Dynamics in the Root of Solanum melongena L. under Waterlogging Stress Conditions. Life (Basel) 2023; 13:1399. [PMID: 37374181 DOI: 10.3390/life13061399] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 06/10/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Waterlogging poses significant abiotic stress that endangers the survival of plants, including crops. In response, plants dramatically change their physiology to enhance their tolerance to waterlogging, such as proteome reconfiguration. Here, we utilized isobaric tags for the relative and absolute quantitation (iTRAQ)-based protein labeling technique to examine the proteomic changes induced by waterlogging in the roots of Solanum melongena L., a solanaceous plant. The plants were subjected to 6, 12, and 24 h of waterlogging stress at the flowering stage. Of the 4074 identified proteins, compared to the control, the abundance of the proteins increased and decreased in 165 and 78 proteins, respectively, in 6 h of treatments; 219 and 89 proteins, respectively, in 12 h of treatments; and 126 and 127 proteins, respectively, in 24 h of treatments. The majority of these differentially regulated proteins participated in processes such as energy metabolism, amino acid biosynthesis, signal transduction, and nitrogen metabolism. Fructose-bisphosphate aldolase and three alcohol dehydrogenase genes, in particular, were up- or down-regulated in waterlogging-treated Solanum melongena roots, suggesting that some proteins related to anaerobic metabolism (glycolysis and fermentation) may play vital roles in protecting its roots from waterlogging stress to enable long-term survival. Overall, this research not only offers a comprehensive dataset of protein alterations in waterlogged Solanum melongena roots but also insights into the mechanisms by which solanaceous plants adapt to waterlogging stress.
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Affiliation(s)
- Xu Yang
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China
| | - Zheng Jiang
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China
| | - Jie He
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China
| | - Lei Shen
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China
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8
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Neri-Silva R, Monteiro-Batista RDC, Fonseca-Pereira PD, Nunes MD, Viana-Silva AL, Palhares Ribeiro T, Pérez-Díaz JL, Medeiros DB, Araújo WL, Fernie AR, Nunes-Nesi A. On the Significance of the ADNT1 Carrier in Arabidopsis thaliana under Waterlogging Conditions. Biomolecules 2023; 13:biom13050731. [PMID: 37238601 DOI: 10.3390/biom13050731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 04/20/2023] [Indexed: 05/28/2023] Open
Abstract
Among the adenylate carriers identified in Arabidopsis thaliana, only the AMP/ATP transporter ADNT1 shows increased expression in roots under waterlogging stress conditions. Here, we investigated the impact of a reduced expression of ADNT1 in A. thaliana plants submitted to waterlogging conditions. For this purpose, an adnt1 T-DNA mutant and two ADNT1 antisense lines were evaluated. Following waterlogging, ADNT1 deficiency resulted in a reduced maximum quantum yield of PSII electron transport (significantly for adnt1 and antisense Line 10), indicating a higher impact caused by the stress in the mutants. In addition, ADNT1 deficient lines showed higher levels of AMP in roots under nonstress condition. This result indicates that the downregulation of ADNT1 impacts the levels of adenylates. ADNT1-deficient plants exhibited a differential expression pattern of hypoxia-related genes with an increase in non-fermenting-related-kinase 1 (SnRK1) expression and upregulation of adenylate kinase (ADK) under stress and non-stress conditions. Together, these results indicated that the lower expression of ADNT1 is associated with an early "hypoxic status" due to the perturbation of the adenylate pool caused by reduced AMP import by mitochondria. This perturbation, which is sensed by SnRK1, results in a metabolic reprogramming associated with early induction of the fermentative pathway in ADNT1 deficient plants.
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Affiliation(s)
- Roberto Neri-Silva
- National Institute of Science and Technology on Plant Physiology under Stress Conditions, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
| | - Rita de Cássia Monteiro-Batista
- National Institute of Science and Technology on Plant Physiology under Stress Conditions, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
| | - Paula da Fonseca-Pereira
- National Institute of Science and Technology on Plant Physiology under Stress Conditions, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
| | - Mateus Dias Nunes
- National Institute of Science and Technology on Plant Physiology under Stress Conditions, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
| | - Ana Luiza Viana-Silva
- National Institute of Science and Technology on Plant Physiology under Stress Conditions, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
| | - Tamara Palhares Ribeiro
- National Institute of Science and Technology on Plant Physiology under Stress Conditions, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
| | - Jorge L Pérez-Díaz
- National Institute of Science and Technology on Plant Physiology under Stress Conditions, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
| | - David B Medeiros
- Max-Planck-Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476 Potsdam-Golm, Germany
| | - Wagner L Araújo
- National Institute of Science and Technology on Plant Physiology under Stress Conditions, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
| | - Alisdair R Fernie
- Max-Planck-Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476 Potsdam-Golm, Germany
| | - Adriano Nunes-Nesi
- National Institute of Science and Technology on Plant Physiology under Stress Conditions, Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
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9
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Transcriptomic insights into the effects of abscisic acid on the germination of Magnolia sieboldii K. Koch seed. Gene 2023; 853:147066. [PMID: 36455787 DOI: 10.1016/j.gene.2022.147066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 11/07/2022] [Accepted: 11/18/2022] [Indexed: 11/30/2022]
Abstract
Magnolia sieboldii K. Koch is a deciduous tree species. However, the wild resource of M. sieboldii has been declining due to excessive utilization and seed dormancy. In our previous research, M. sieboldii seeds have morphophysiological dormancy and low germination rates under natural conditions. The aim of the present study was to identify the genes involved in dormancy maintenance. In this study, the germination percentage of M. sieboldii seeds negatively correlated with the content of endogenous abscisic acid (ABA). The hydration of seeds for germination showed three distinct phases. Five key time points were identified: 0 h imbibition (dry seed, GZ), 0 day after imbibition (DAI), 16 DAI, 40 DAI, and 56 DAI. The comprehensive transcript profiles of M. sieboldii seeds treated with ABA and water at the five key germinating stages were obtained. A total of 9641 differentially expressed genes (DEGs) were identified, and 208 and 197 common DEGs were found throughout the ABA and water treatments, respectively. Compared with that in the GZ, 518, 696, 2133, and 1535 DEGs were identified in the SH group at 0, 16, 40 and 56 DAI, respectively. 666, 1725, 1560 and 1415 DEGs were identified in the ABA group at 0, 16, 40, and 56 DAI, respectively. Among the identified DEGs, 12 722 were annotated with GO terms, the top three enriched GO terms were different among the DEGs at 56 DAI in the ABA vs. SH treatments. KEGG pathway enrichment analysis for DEGs indicated that oxidative phosphorylation, protein processing in endoplasmic reticulum, starch and sucrose metabolism play an important role in seed response to ABA. 1926 TFs are obtained and classified into 72 families from the M. sieboldii transcriptome. Results of differential gene expression analysis together with qRT-PCR indicated that phase II is crucial for rapid and successful seed germination. This study is the first to present the global expression patterns of ABA-regulated transcripts in M. sieboldii seeds at different germinating phases.
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Pan R, Ding M, Feng Z, Zeng F, Medison MB, Hu H, Han Y, Xu L, Li C, Zhang W. HvGST4 enhances tolerance to multiple abiotic stresses in barley: Evidence from integrated meta-analysis to functional verification. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 188:47-59. [PMID: 35981439 DOI: 10.1016/j.plaphy.2022.07.027] [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: 04/18/2022] [Revised: 07/18/2022] [Accepted: 07/23/2022] [Indexed: 06/15/2023]
Abstract
Extreme weather events have become more frequent, increasing crop yield fluctuations in many regions and thus the risk to global food security. Breeding crop cultivars with improved tolerance to a combination of abiotic stresses is an effective solution to counter the adverse impact of climate change. The ever-increasing genomic data and analytical tools provide unprecedented opportunities to mine genes with tolerance to multiple abiotic stresses through bioinformatics analysis. We undertook an integrated meta-analysis using 260 transcriptome data of barley related to drought, salt, heat, cold, and waterlogging stresses. A total of 223 shared differentially expressed genes (DEGs) were identified in response to five abiotic stresses, and significantly enriched in 'glutathione metabolism' and 'monoterpenoid biosynthesis' pathways. Using weighted gene co-expression network analysis (WGCNA), we further identified 15 hub genes (e.g., MYB, WRKY, NADH, and GST4) and selected the GST4 gene for functional validation. HvGST4 overexpression in Arabidopsis thaliana enhanced the tolerance to multiple abiotic stresses, likely through increasing the content of glutathione to scavenge reactive oxygen species and alleviate cell membrane peroxidation. Furthermore, we showed that virus-induced gene silencing (VIGS) of HvGST4 in barley leaves exacerbated cell membrane peroxidation under five abiotic stresses, reducing tolerance to multiple abiotic stress. Our study provides a new solution for identifying genes with tolerance to multiple abiotic stresses based on meta-analysis, which could contribute to breeding new varieties adapted genetically to adverse environmental conditions.
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Affiliation(s)
- Rui Pan
- Research Center of Crop Stresses Resistance Technologies, Yangtze University, Jingzhou, 434025, China
| | - Minqiang Ding
- Research Center of Crop Stresses Resistance Technologies, Yangtze University, Jingzhou, 434025, China
| | - Zhenbao Feng
- Research Center of Crop Stresses Resistance Technologies, Yangtze University, Jingzhou, 434025, China
| | - Fanrong Zeng
- Research Center of Crop Stresses Resistance Technologies, Yangtze University, Jingzhou, 434025, China
| | - Milca Banda Medison
- Research Center of Crop Stresses Resistance Technologies, Yangtze University, Jingzhou, 434025, China
| | - Haifei Hu
- Western Crop Genetics Alliance, Western Australian State Agricultural Biotechnology Centre, College of Science, Health, Engineering and Education, Murdoch University, Murdoch, WA, 6105, Australia
| | - Yong Han
- Western Crop Genetics Alliance, Western Australian State Agricultural Biotechnology Centre, College of Science, Health, Engineering and Education, Murdoch University, Murdoch, WA, 6105, Australia
| | - Le Xu
- Research Center of Crop Stresses Resistance Technologies, Yangtze University, Jingzhou, 434025, China
| | - Chengdao Li
- Western Crop Genetics Alliance, Western Australian State Agricultural Biotechnology Centre, College of Science, Health, Engineering and Education, Murdoch University, Murdoch, WA, 6105, Australia.
| | - Wenying Zhang
- Research Center of Crop Stresses Resistance Technologies, Yangtze University, Jingzhou, 434025, China.
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11
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Wang X, Komatsu S. The Role of Phytohormones in Plant Response to Flooding. Int J Mol Sci 2022; 23:6383. [PMID: 35742828 PMCID: PMC9223812 DOI: 10.3390/ijms23126383] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/05/2022] [Accepted: 06/06/2022] [Indexed: 02/07/2023] Open
Abstract
Climatic variations influence the morphological, physiological, biological, and biochemical states of plants. Plant responses to abiotic stress include biochemical adjustments, regulation of proteins, molecular mechanisms, and alteration of post-translational modifications, as well as signal transduction. Among the various abiotic stresses, flooding stress adversely affects the growth of plants, including various economically important crops. Biochemical and biological techniques, including proteomic techniques, provide a thorough understanding of the molecular mechanisms during flooding conditions. In particular, plants can cope with flooding conditions by embracing an orchestrated set of morphological adaptations and physiological adjustments that are regulated by an elaborate hormonal signaling network. With the help of these findings, the main objective is to identify plant responses to flooding and utilize that information for the development of flood-tolerant plants. This review provides an insight into the role of phytohormones in plant response mechanisms to flooding stress, as well as different mitigation strategies that can be successfully administered to improve plant growth during stress exposure. Ultimately, this review will expedite marker-assisted genetic enhancement studies in crops for developing high-yield lines or varieties with flood tolerance.
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Affiliation(s)
- Xin Wang
- College of Agronomy and Biotechnology, China Agricultural University, Beijing 100193, China;
| | - Setsuko Komatsu
- Faculty of Environmental and Information Sciences, Fukui University of Technology, Fukui 910-8505, Japan
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12
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Evolutionary History and Functional Diversification of the JmjC Domain-Containing Histone Demethylase Gene Family in Plants. PLANTS 2022; 11:plants11081041. [PMID: 35448769 PMCID: PMC9029850 DOI: 10.3390/plants11081041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/01/2022] [Accepted: 04/08/2022] [Indexed: 11/23/2022]
Abstract
Histone demethylases containing JumonjiC (JmjC) domains regulate gene transcription and chromatin structure by changing the methylation status of lysine residues and play an important role in plant growth and development. In this study, a total of 332 JmjC family genes were identified from 21 different plant species. The evolutionary analysis results showed that the JmjC gene was detected in each species, that is, the gene has already appeared in algae. The phylogenetic analysis showed that the KDM3/JHDM2 subfamily genes may have appeared when plants transitioned from water to land, but were lost in lycophytes (Selaginella moellendorffii). During the evolutionary process, some subfamily genes may have been lost in individual species. According to the analysis of the conserved domains, all of the plant JmjC genes contained a typical JmjC domain, which was highly conserved during plant evolution. The analysis of cis-acting elements showed that the promoter region of the JmjC gene was rich in phytohormones and biotic and abiotic stress-related elements. The transcriptome data analysis and protein interaction analyses showed that JmjC genes play an important role in plant growth and development. The results clarified the evolutionary history of JmjC family genes in plants and lay the foundation for the analysis of the biological functions of JmjC family genes.
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Full-Length Transcriptome and RNA-Seq Analyses Reveal the Mechanisms Underlying Waterlogging Tolerance in Kiwifruit ( Actinidia valvata). Int J Mol Sci 2022; 23:ijms23063237. [PMID: 35328659 PMCID: PMC8951935 DOI: 10.3390/ijms23063237] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/15/2022] [Accepted: 03/15/2022] [Indexed: 12/13/2022] Open
Abstract
Actinidia valvata possesses waterlogging tolerance; however, the mechanisms underlying this trait are poorly characterized. Here, we performed a transcriptome analysis by combining single-molecule real-time (SMRT) sequencing and Illumina RNA sequencing and investigated the physiological responses of the roots of KR5 (A. valvata, a tolerant genotype) after 0, 12, 24 and 72 h of waterlogging stress. KR5 roots responded to waterlogging stress mainly via carbohydrate and free amino acids metabolism and reactive oxygen species (ROS) scavenging pathways. Trehalose-6-phosphate synthase (TPS) activity, alcohol dehydrogenase (ADH) activity and the total free amino acid content increased significantly under waterlogging stress. The nicotinamide adenine dinucleotide-dependent glutamate synthase/alanine aminotransferase (NADH-GOGAT/AlaAT) cycle was correlated with alanine accumulation. Levels of genes encoding peroxidase (POD) and catalase (CAT) decreased and enzyme activity increased under waterlogging stress. Members of the LATERAL ORGAN BOUNDARIES (LOB), AP2/ERF-ERF, Trihelix and C3H transcription factor families were identified as potential regulators of the transcriptional response. Several hub genes were identified as key factors in the response to waterlogging stress by a weighted gene co-expression network analysis (WGCNA). Our results provide insights into the factors contributing to waterlogging tolerance in kiwifruit, providing a basis for further studies of interspecific differences in an important plant trait and for molecular breeding.
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Wang Z, Han Y, Luo S, Rong X, Song H, Jiang N, Li C, Yang L. Calcium peroxide alleviates the waterlogging stress of rapeseed by improving root growth status in a rice-rape rotation field. FRONTIERS IN PLANT SCIENCE 2022; 13:1048227. [PMID: 36466266 PMCID: PMC9718366 DOI: 10.3389/fpls.2022.1048227] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 11/04/2022] [Indexed: 05/16/2023]
Abstract
Waterlogging stress has a negative influence on agricultural production, particularly for rapeseed yield in a rice-rape rotation field. To alleviate the profound impacts of waterlogging stress on rapeseed production, a new fertilization with calcium peroxide (CaO2) was proposed. In this field experiment, with the conventional rape (Brassica napus L.) variety fengyou958 (FY958) and early maturing rape variety xiangyou420 (XY420) as materials, waterlogging was imposed from the bud to flowering stage, and three supplies of CaO2 (0, C1 for the 594 kg hm-2 and C2 for the 864 kg hm-2) were added as basal fertilizer. The results showed that CaO2 significantly reduced the accumulation of fermentation products in roots and alleviated the peroxidation of leaves. The reduced waterlogging stress promoted the root vigor and agronomic characters, such as branches, plant height and stem diameter, accelerated dry matter and nutrients accumulation, and resulting in 22.7% (C1) to 232.8% (C2) higher grain yields in XY420, and 112.4% (C1) to 291.8% (C2) higher grain yields in FY958, respectively. In conclusion, 594 kg hm-2 to 864 kg hm-2 CaO2 application restored the growth of waterlogged rapeseed leaves, and reduced the anaerobic intensity of root, which enhanced the resistance of plants to waterlogging, and improved crop productivity. In a certain range, the higher CaO2 application, the more the yield. This study provides a valid method to prevent damage from flooding in crop fields.
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Affiliation(s)
- Zhiyuan Wang
- College of Resources and Environmental, Hunan Agricultural University, Changsha, China
- National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, Changsha, China
| | - Yongliang Han
- College of Resources and Environmental, Hunan Agricultural University, Changsha, China
- National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, Changsha, China
| | - Shang Luo
- College of Resources and Environmental, Hunan Agricultural University, Changsha, China
- National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, Changsha, China
| | - Xiangmin Rong
- College of Resources and Environmental, Hunan Agricultural University, Changsha, China
- National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, Changsha, China
| | - Haixing Song
- College of Resources and Environmental, Hunan Agricultural University, Changsha, China
- National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, Changsha, China
| | - Na Jiang
- College of Resources and Environmental, Hunan Agricultural University, Changsha, China
- National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, Changsha, China
| | - Changwei Li
- College of Resources and Environmental, Hunan Agricultural University, Changsha, China
- National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, Changsha, China
| | - Lan Yang
- College of Resources and Environmental, Hunan Agricultural University, Changsha, China
- National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, Changsha, China
- *Correspondence: Lan Yang,
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15
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Yang R, Li M, Harrison MT, Fahad S, Wei M, Li X, Yin L, Sha A, Zhou M, Liu K, Wang X. iTRAQ Proteomic Analysis of Wheat ( Triticum aestivum L.) Genotypes Differing in Waterlogging Tolerance. FRONTIERS IN PLANT SCIENCE 2022; 13:890083. [PMID: 35548301 PMCID: PMC9084233 DOI: 10.3389/fpls.2022.890083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 03/25/2022] [Indexed: 05/11/2023]
Abstract
Transient and chronic waterlogging constrains crop production in many regions of the world. Here, we invoke a novel iTRAQ-based proteomic strategy to elicit protein synthesis and regulation responses to waterlogging in tolerant (XM 55) and sensitive genotypes (YM 158). Of the 7,710 proteins identified, 16 were distinct between the two genotypes under waterlogging, partially defining a proteomic basis for waterlogging tolerance (and sensitivity). We found that 11 proteins were up-regulated and 5 proteins were down-regulated; the former included an Fe-S cluster assembly factor, heat shock cognate 70, GTP-binding protein SAR1A-like and CBS domain-containing protein. Down-regulated proteins contained photosystem II reaction center protein H, carotenoid 9, 10 (9', 10')-cleavage dioxygenase-like, psbP-like protein 1 and mitochondrial ATPase inhibitor. We showed that nine proteins responded to waterlogging with non-cultivar specificity: these included 3-isopropylmalate dehydratase large subunit, solanesyl-diphosphate synthase 2, DEAD-box ATP-dependent RNA helicase 3, and 3 predicted or uncharacterized proteins. Sixteen of the 28 selected proteins showed consistent expression patterns between mRNA and protein levels. We conclude that waterlogging stress may redirect protein synthesis, reduce chlorophyll synthesis and enzyme abundance involved in photorespiration, thus influencing synthesis of other metabolic enzymes. Collectively, these factors accelerate the accumulation of harmful metabolites in leaves in waterlogging-susceptible genotypes. The differentially expressed proteins enumerated here could be used as biological markers for enhancing waterlogging tolerance as part of future crop breeding programs.
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Affiliation(s)
- Rui Yang
- Hubei Collaborative Innovation Center for Grain Industry, Yangtze University, Jingzhou, China
- Agriculture College, Yangtze University, Jingzhou, China
| | - Murong Li
- Hubei Collaborative Innovation Center for Grain Industry, Yangtze University, Jingzhou, China
- Agriculture College, Yangtze University, Jingzhou, China
| | - Matthew Tom Harrison
- Tasmanian Institute of Agriculture, University of Tasmania, Burnie, TAS, Australia
| | - Shah Fahad
- Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresource, College of Tropical Crops, Hainan University, Haikou, China
- Department of Agronomy, The University of Haripur, Haripur, Pakistan
- *Correspondence: Shah Fahad,
| | - Mingmei Wei
- Hubei Collaborative Innovation Center for Grain Industry, Yangtze University, Jingzhou, China
- Agriculture College, Yangtze University, Jingzhou, China
| | - Xiu Li
- Hubei Collaborative Innovation Center for Grain Industry, Yangtze University, Jingzhou, China
- Agriculture College, Yangtze University, Jingzhou, China
| | - Lijun Yin
- Hubei Collaborative Innovation Center for Grain Industry, Yangtze University, Jingzhou, China
- Agriculture College, Yangtze University, Jingzhou, China
| | - Aihua Sha
- Hubei Collaborative Innovation Center for Grain Industry, Yangtze University, Jingzhou, China
| | - Meixue Zhou
- Tasmanian Institute of Agriculture, University of Tasmania, Burnie, TAS, Australia
| | - Ke Liu
- Tasmanian Institute of Agriculture, University of Tasmania, Burnie, TAS, Australia
- Ke Liu,
| | - Xiaoyan Wang
- Hubei Collaborative Innovation Center for Grain Industry, Yangtze University, Jingzhou, China
- Agriculture College, Yangtze University, Jingzhou, China
- Xiaoyan Wang,
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16
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Liu J, Chen Y, Wang WQ, Liu JH, Zhu CQ, Zhong YP, Zhang HQ, Liu XF, Yin XR. Transcription factors AcERF74/75 respond to waterlogging stress and trigger alcoholic fermentation-related genes in kiwifruit. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 314:111115. [PMID: 34895544 DOI: 10.1016/j.plantsci.2021.111115] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 11/04/2021] [Accepted: 11/08/2021] [Indexed: 06/14/2023]
Abstract
Kiwifruit plants have a fleshy, shallow root system which is sensitive to waterlogging stress, which results in a decrease in crop yield or even plants death. Although the waterlogging stress responses in kiwifruit have attracted much attention, the underlying molecular mechanism remains unclear. In this study, waterlogging led to drastic inhibition of root growth of 'Donghong' kiwifruit (Actinidia chinensis) plants grown in vitro, which was accompanied by significant elevation of endogenous acetaldehyde and ethanol contents. RNA-seq of roots of plants waterlogged for 0, 1 and 2 days revealed that a total of 149 genes were up- or down-regulated, including seven biosynthetic genes related to the glycolysis/gluconeogenesis pathway and 10 transcription factors. Analyses with real-time PCR, dual-luciferase assays and EMSA demonstrated that AcERF74 and AcERF75, two members of the ERF-VII subfamily, directly upregulated AcADH1 (alcohol dehydrogenase). Moreover, the overexpression of AcERF74/75 in transgenic calli resulted in dramatic increase of endogenous ethanol contents through the triggering of AcADH1 and AcADH2 expression. Although the AcPDC2 (pyruvate decarboxylase) expression was also enhanced in transgenic lines, the endogenous acetaldehyde contents showed no significant changes. These results illustrated that AcERF74/75 are two transcriptional activators on alcoholic fermentation related genes and are responsive to waterlogging stress in kiwifruit.
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Affiliation(s)
- Jiao Liu
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China; The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China
| | - Yue Chen
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China; The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China
| | - Wen-Qiu Wang
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China; The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China
| | - Ji-Hong Liu
- Key Laboratory of Horticultural Plant Biology, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, 430070, PR China
| | - Chang-Qing Zhu
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China; The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China
| | - Yun-Peng Zhong
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, PR China
| | - Hui-Qin Zhang
- Institute of Horticulture, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, PR China.
| | - Xiao-Fen Liu
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China; The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China.
| | - Xue-Ren Yin
- Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, College of Agriculture and Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China; The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, PR China
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17
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Jia W, Ma M, Chen J, Wu S. Plant Morphological, Physiological and Anatomical Adaption to Flooding Stress and the Underlying Molecular Mechanisms. Int J Mol Sci 2021; 22:ijms22031088. [PMID: 33499312 PMCID: PMC7865476 DOI: 10.3390/ijms22031088] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 01/17/2021] [Accepted: 01/19/2021] [Indexed: 01/09/2023] Open
Abstract
Globally, flooding is a major threat causing substantial yield decline of cereal crops, and is expected to be even more serious in many parts of the world due to climatic anomaly in the future. Understanding the mechanisms of plants coping with unanticipated flooding will be crucial for developing new flooding-tolerance crop varieties. Here we describe survival strategies of plants adaptation to flooding stress at the morphological, physiological and anatomical scale systemically, such as the formation of adventitious roots (ARs), aerenchyma and radial O2 loss (ROL) barriers. Then molecular mechanisms underlying the adaptive strategies are summarized, and more than thirty identified functional genes or proteins associated with flooding-tolerance are searched out and expounded. Moreover, we elaborated the regulatory roles of phytohormones in plant against flooding stress, especially ethylene and its relevant transcription factors from the group VII Ethylene Response Factor (ERF-VII) family. ERF-VIIs of main crops and several reported ERF-VIIs involving plant tolerance to flooding stress were collected and analyzed according to sequence similarity, which can provide references for screening flooding-tolerant genes more precisely. Finally, the potential research directions in the future were summarized and discussed. Through this review, we aim to provide references for the studies of plant acclimation to flooding stress and breeding new flooding-resistant crops in the future.
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18
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Tang H, Bi H, Liu B, Lou S, Song Y, Tong S, Chen N, Jiang Y, Liu J, Liu H. WRKY33 interacts with WRKY12 protein to up-regulate RAP2.2 during submergence induced hypoxia response in Arabidopsis thaliana. THE NEW PHYTOLOGIST 2021; 229:106-125. [PMID: 33098101 DOI: 10.1111/nph.17020] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 10/12/2020] [Indexed: 05/23/2023]
Abstract
Tolerance of hypoxia is essential for most plants, but the underlying mechanisms are largely unknown. Here we show that adaptation to submergence induced hypoxia in Arabidopsis involves up-regulation of RAP2.2 through interactive action of WRKY33 and WRKY12. WRKY33- or WRKY12-overexpressing plants showed enhanced resistance to hypoxia. Y2H, BiFC, Co-IP and pull-down experiments confirmed the interaction of WRKY33 with WRKY12. Genetic experiments showed that RAP2.2 acts downstream of WRKY33/WRKY12. WRKY33 and WRKY12 can bind to and activate RAP2.2 individually. Genetic and molecular experiments demonstrate that the two WRKYs can synergistically enhance activation towards RAP2.2 to increase hypoxia tolerance. WRKY33 expression is increased in RAP2.2-overexpressing plants, indicating a feedback regulation by RAP2.2 during submergence process, which was corroborated by EMSA, ChIP, dual-LUC and genetic experiments. Our results show that a regulatory cascade module involving WRKY33, WRKY12 and RAP2.2 plays a key role in submergence induced hypoxia response of Arabidopsis and illuminate functions of WRKYs in hypoxia tolerance.
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Affiliation(s)
- Hu Tang
- Key Laboratory for Bio-resources and Eco-environment, College of Life Science, Sichuan University, Chengdu, 610065, China
| | - Hao Bi
- Key Laboratory for Bio-resources and Eco-environment, College of Life Science, Sichuan University, Chengdu, 610065, China
| | - Bao Liu
- Key Laboratory for Bio-resources and Eco-environment, College of Life Science, Sichuan University, Chengdu, 610065, China
| | - Shangling Lou
- Key Laboratory for Bio-resources and Eco-environment, College of Life Science, Sichuan University, Chengdu, 610065, China
| | - Yan Song
- Key Laboratory for Bio-resources and Eco-environment, College of Life Science, Sichuan University, Chengdu, 610065, China
| | - Shaofei Tong
- Key Laboratory for Bio-resources and Eco-environment, College of Life Science, Sichuan University, Chengdu, 610065, China
| | - Ningning Chen
- Key Laboratory for Bio-resources and Eco-environment, College of Life Science, Sichuan University, Chengdu, 610065, China
| | - Yuanzhong Jiang
- Key Laboratory for Bio-resources and Eco-environment, College of Life Science, Sichuan University, Chengdu, 610065, China
| | - Jianquan Liu
- Key Laboratory for Bio-resources and Eco-environment, College of Life Science, Sichuan University, Chengdu, 610065, China
| | - Huanhuan Liu
- Key Laboratory for Bio-resources and Eco-environment, College of Life Science, Sichuan University, Chengdu, 610065, China
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19
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Lando AP, Viana WG, Vale EM, Santos M, Silveira V, Steiner N. Cellular alteration and differential protein profile explain effects of GA 3 and ABA and their inhibitor on Trichocline catharinensis (Asteraceae) seed germination. PHYSIOLOGIA PLANTARUM 2020; 169:258-275. [PMID: 32065665 DOI: 10.1111/ppl.13076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 02/09/2020] [Accepted: 02/13/2020] [Indexed: 06/10/2023]
Abstract
Seed physiology of wild species has not been studied as deeply as that of domesticated crop species. Trichocline catharinensis (Asteraceae) is an endemic wildflower species from the high-altitude fields of southern Brazil. This species is of interest as a source of genes to improve cultivated Asteraceae because of its ornamental features, disease resistance and ability to tolerate drought and poor soil conditions. We studied the effects of abscisic acid (ABA) and gibberellic acid (GA3 ) and their inhibitors, fluridone (FLU) and paclobutrazol (PAC), on seed germination. We individually assessed ultrastructural changes and differential protein accumulation. The principal component analysis explained 69.66% of differential accumulation for 32 proteins at phase II of seed germination in response to hormone and inhibitor treatment. GA3 -imbibed seed germination (98.75%) resulted in increased protein accumulation to meet energy demand, redox regulation, and reserve metabolism activation. FLU-imbibed seeds showed a higher germination speed index as a consequence of metabolism activation. ABA-imbibed seeds (58.75%) showed osmotolerance and flattened cells in the hypocotyl-radicular axis, suggesting that ABA inhibits cell expansion. PAC-imbibed seeds remained at phase II for 300 h, and germination was suppressed (7.5%) because of the increased signaling proteins and halted reserve mobilization. Therefore, our findings provide insight into the behavior of Asteraceae non-dormant seed germination, which broadens our knowledge of seed germination in a wild and endemic plant species from a threatened ecosystem.
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Affiliation(s)
- Ana P Lando
- Plant Physiology Laboratory, Department of Botany, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Willian G Viana
- Plant Physiology Laboratory, Department of Botany, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Ellen M Vale
- Laboratory of Biotechnology, Center for Biosciences and Biotechnology (CBB), State University of Northern Rio de Janeiro (UENF), Campos dos Goytacazes, RJ, 28013-602, Brazil
- Unit of Integrative Biology, Genomic and Proteomics Sector, UENF, Campos dos Goytacazes, RJ, 28013-602, Brazil
| | - Marisa Santos
- Plant Physiology Laboratory, Department of Botany, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
| | - Vanildo Silveira
- Laboratory of Biotechnology, Center for Biosciences and Biotechnology (CBB), State University of Northern Rio de Janeiro (UENF), Campos dos Goytacazes, RJ, 28013-602, Brazil
- Unit of Integrative Biology, Genomic and Proteomics Sector, UENF, Campos dos Goytacazes, RJ, 28013-602, Brazil
| | - Neusa Steiner
- Plant Physiology Laboratory, Department of Botany, Federal University of Santa Catarina, Florianópolis, SC, 88040-900, Brazil
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Luan H, Guo B, Shen H, Pan Y, Hong Y, Lv C, Xu R. Overexpression of Barley Transcription Factor HvERF2.11 in Arabidopsis Enhances Plant Waterlogging Tolerance. Int J Mol Sci 2020; 21:ijms21061982. [PMID: 32183237 PMCID: PMC7139581 DOI: 10.3390/ijms21061982] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 03/10/2020] [Accepted: 03/11/2020] [Indexed: 12/23/2022] Open
Abstract
Waterlogging stress significantly affects the growth, development, and productivity of crop plants. However, manipulation of gene expression to enhance waterlogging tolerance is very limited. In this study, we identified an ethylene-responsive factor from barley, which was strongly induced by waterlogging stress. This transcription factor named HvERF2.11 was 1158 bp in length and encoded 385 amino acids, and mainly expressed in the adventitious root and seminal root. Overexpression of HvERF2.11 in Arabidopsis led to enhanced tolerance to waterlogging stress. Further analysis of the transgenic plants showed that the expression of AtSOD1, AtPOD1 and AtACO1 increased rapidly, while the same genes did not do so in non-transgenic plants, under waterlogging stress. Activities of antioxidant enzymes and alcohol dehydrogenase (ADH) were also significantly higher in the transgenic plants than in the non-transgenic plants under waterlogging stress. Therefore, these results indicate that HvERF2.11 plays a positive regulatory role in plant waterlogging tolerance through regulation of waterlogging-related genes, improving antioxidant and ADH enzymes activities.
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Affiliation(s)
- Haiye Luan
- Key Laboratory of Plant Functional Genomics of the Ministry of Education, Yangzhou 225009, China; (H.L.); (Y.P.)
- Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding, Yangzhou 225009, China;
| | - Baojian Guo
- Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding, Yangzhou 225009, China;
| | - Huiquan Shen
- Co-Innovation Center for Modern Production Technology of Grain Crops, College of Agriculture, Yangzhou 225009, China;
| | - Yuhan Pan
- Key Laboratory of Plant Functional Genomics of the Ministry of Education, Yangzhou 225009, China; (H.L.); (Y.P.)
| | - Yi Hong
- Institutes of Agricultural Science and Technology Development, Yangzhou University, Yangzhou 225009, China;
| | - Chao Lv
- Institute of Agricultural Science in Jiangsu Coastal Areas, Yancheng 224002, China;
| | - Rugen Xu
- Key Laboratory of Plant Functional Genomics of the Ministry of Education, Yangzhou 225009, China; (H.L.); (Y.P.)
- Institutes of Agricultural Science and Technology Development, Yangzhou University, Wenhui East Road NO. 48, Yangzhou, Jiangsu 225009, China
- Correspondence: ; Tel.: +86-0514-87979254
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21
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Zhou W, Chen F, Meng Y, Chandrasekaran U, Luo X, Yang W, Shu K. Plant waterlogging/flooding stress responses: From seed germination to maturation. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 148:228-236. [PMID: 31981875 DOI: 10.1016/j.plaphy.2020.01.020] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 01/13/2020] [Accepted: 01/14/2020] [Indexed: 05/27/2023]
Abstract
Global climate change is strongly associated with variations in precipitation and flooding events. Flooding usually causes submergence- or partial submergence stress in plants, which significantly has a negative influence on agricultural production, from seed germination to vegetative and reproductive growth. Flooding stress results in crop growth under low oxygen conditions and thus, negatively affects the developmental periods of plant lifecycle. The survival strategies of different plant species under this stressful condition are distinct, whereas the perception pathways associated with flooding stress are similar at the molecular level. Plants respond to flooding stress by mediating changes in their architecture, energy metabolism, photosynthesis, respiration and endogenous phytohormone biosynthesis/signaling, because aerobic respiration is inhibited under flooding stress, the decrease of energy metabolism further constrains plant development. Consequently, to acclimate under these unfavorable conditions, the anaerobic respiration cascade must be promoted. In this updated review, we primarily focus on recent advances in our understanding of the mechanisms underlying plant responses to flooding stress. We summarize the functions of the flooding response factors involved in energy metabolism and phytohormone biosynthesis/signaling cascades. Finally, the current understanding of how plants circumvent flooding stress, and the potential challenges for future research, are discussed.
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Affiliation(s)
- Wenguan Zhou
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, 710129, China; Institute of Ecological Agriculture, Sichuan Agricultural University, Chengdu, 611130, China
| | - Feng Chen
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, 710129, China; Institute of Ecological Agriculture, Sichuan Agricultural University, Chengdu, 611130, China
| | - Yongjie Meng
- Institute of Ecological Agriculture, Sichuan Agricultural University, Chengdu, 611130, China
| | | | - Xiaofeng Luo
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, 710129, China; Institute of Ecological Agriculture, Sichuan Agricultural University, Chengdu, 611130, China
| | - Wenyu Yang
- Institute of Ecological Agriculture, Sichuan Agricultural University, Chengdu, 611130, China
| | - Kai Shu
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, 710129, China.
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22
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Pan J, Sharif R, Xu X, Chen X. Mechanisms of Waterlogging Tolerance in Plants: Research Progress and Prospects. FRONTIERS IN PLANT SCIENCE 2020; 11:627331. [PMID: 33643336 PMCID: PMC7902513 DOI: 10.3389/fpls.2020.627331] [Citation(s) in RCA: 91] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 12/30/2020] [Indexed: 05/19/2023]
Abstract
Waterlogging is one of the main abiotic stresses suffered by plants. Inhibition of aerobic respiration during waterlogging limits energy metabolism and restricts growth and a wide range of developmental processes, from seed germination to vegetative growth and further reproductive growth. Plants respond to waterlogging stress by regulating their morphological structure, energy metabolism, endogenous hormone biosynthesis, and signaling processes. In this updated review, we systematically summarize the changes in morphological structure, photosynthesis, respiration, reactive oxygen species damage, plant hormone synthesis, and signaling cascades after plants were subjected to waterlogging stress. Finally, we propose future challenges and research directions in this field.
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Affiliation(s)
- Jiawei Pan
- School of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou University, Yangzhou, China
| | - Rahat Sharif
- School of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - Xuewen Xu
- School of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou University, Yangzhou, China
| | - Xuehao Chen
- School of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou University, Yangzhou, China
- *Correspondence: Xuehao Chen,
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23
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Zhang Y, Wei M, Liu A, Zhou R, Li D, Dossa K, Wang L, Zhang Y, Gong H, Zhang X, You J. Comparative proteomic analysis of two sesame genotypes with contrasting salinity tolerance in response to salt stress. J Proteomics 2019; 201:73-83. [PMID: 31009803 DOI: 10.1016/j.jprot.2019.04.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 04/08/2019] [Accepted: 04/15/2019] [Indexed: 01/08/2023]
Abstract
Sesame is one of the most important oilseed crops and has high nutritional value. The yield and quality of sesame are severely affected by high salinity in coastal and semi-arid/arid regions. In this study, the phenotypic, physiological, and proteomic changes induced by salt treatment were analyzed in salt-tolerant (G441) and salt-sensitive (G358) seedlings. Phenotypic and physiological results indicated that G441 had an enhanced capacity to withstand salinity stress compared to G358. Proteomic analysis revealed a strong induction of salt-responsive protein species in sesame, mainly related to catalytic, hydrolase, oxidoreductase, and binding activities. Pathway enrichment analysis showed that more salt-responsive proteins in G441 were involved in tyrosine metabolism, carbon fixation in photosynthetic organisms, carbon metabolism, alpha-linolenic acid metabolism, biosynthesis of amino acids, photosynthesis, and glutathione metabolism. Furthermore, G441 displayed unique differentially accumulated proteins in seedlings functioning as heat shock proteins, abscisic acid receptor PYL2-like, calcium-dependent protein kinases, serine/threonine-protein phosphatases, nucleoredoxin, and antioxidant enzymes. Quantitative real-time PCR analysis revealed that some of the proteins were also regulated by salinity stress at the transcript level. Our findings provide important information on salinity responses in plants and may constitute useful resources for enhancing salinity tolerance in sesame. SIGNIFICANCE: Our study identified potential biological pathways and salt-responsive protein species related to transducing stress signals and scavenging reactive oxygen species under salt stress. These findings will provide possible participants/pathways/proteins that contribute to salt tolerance and may serve as the basis for improving salinity tolerance in sesame and other plants.
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Affiliation(s)
- Yujuan Zhang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China; Cotton Research Center, Shandong Academy of Agricultural Sciences, Jinan 250100, China.
| | - Mengyuan Wei
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Aili Liu
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Rong Zhou
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Donghua Li
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Komivi Dossa
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China; Centre d'Etude Régional pour l'Amélioration de l'Adaptation à la Sécheresse (CERAAS), Route de Khombole, Thiès, BP 3320, Senegal
| | - Linhai Wang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
| | - Yanxin Zhang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China.
| | - Huihui Gong
- Cotton Research Center, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Xiurong Zhang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China.
| | - Jun You
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China.
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24
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Bui LT, Novi G, Lombardi L, Iannuzzi C, Rossi J, Santaniello A, Mensuali A, Corbineau F, Giuntoli B, Perata P, Zaffagnini M, Licausi F. Conservation of ethanol fermentation and its regulation in land plants. JOURNAL OF EXPERIMENTAL BOTANY 2019; 70:1815-1827. [PMID: 30861072 PMCID: PMC6436157 DOI: 10.1093/jxb/erz052] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 01/24/2019] [Indexed: 05/18/2023]
Abstract
Ethanol fermentation is considered as one of the main metabolic adaptations to ensure energy production in higher plants under anaerobic conditions. Following this pathway, pyruvate is decarboxylated and reduced to ethanol with the concomitant oxidation of NADH to NAD+. Despite its acknowledgement as an essential metabolic strategy, the conservation of this pathway and its regulation throughout plant evolution have not been assessed so far. To address this question, we compared ethanol fermentation in species representing subsequent steps in plant evolution and related it to the structural features and transcriptional regulation of the two enzymes involved: pyruvate decarboxylase (PDC) and alcohol dehydrogenase (ADH). We observed that, despite the conserved ability to produce ethanol upon hypoxia in distant phyla, transcriptional regulation of the enzymes involved is not conserved in ancient plant lineages, whose ADH homologues do not share structural features distinctive for acetaldehyde/ethanol-processing enzymes. Moreover, Arabidopsis mutants devoid of ADH expression exhibited enhanced PDC activity and retained substantial ethanol production under hypoxic conditions. Therefore, we concluded that, whereas ethanol production is a highly conserved adaptation to low oxygen, its catalysis and regulation in land plants probably involve components that will be identified in the future.
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Affiliation(s)
- Liem T Bui
- Institute of Life Sciences, Scuola Superiore Sant’Anna, Pisa, Italy
| | - Giacomo Novi
- Institute of Life Sciences, Scuola Superiore Sant’Anna, Pisa, Italy
| | | | - Cristina Iannuzzi
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Jacopo Rossi
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | | | - Anna Mensuali
- Institute of Life Sciences, Scuola Superiore Sant’Anna, Pisa, Italy
| | - Françoise Corbineau
- UMR 7622 CNRS-UPMC, Biologie du développement, Institut de Biologie Paris Seine, Sorbonne Université, Paris, France
| | - Beatrice Giuntoli
- Institute of Life Sciences, Scuola Superiore Sant’Anna, Pisa, Italy
- Biology Department, University of Pisa, Pisa, Italy
| | | | - Mirko Zaffagnini
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Francesco Licausi
- Institute of Life Sciences, Scuola Superiore Sant’Anna, Pisa, Italy
- Biology Department, University of Pisa, Pisa, Italy
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25
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Pan DL, Wang G, Wang T, Jia ZH, Guo ZR, Zhang JY. AdRAP2.3, a Novel Ethylene Response Factor VII from Actinidia deliciosa, Enhances Waterlogging Resistance in Transgenic Tobacco through Improving Expression Levels of PDC and ADH Genes. Int J Mol Sci 2019; 20:E1189. [PMID: 30857203 PMCID: PMC6429156 DOI: 10.3390/ijms20051189] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 02/28/2019] [Accepted: 03/05/2019] [Indexed: 01/18/2023] Open
Abstract
APETALA2/ethylene-responsive factor superfamily (AP2/ERF) is a transcription factor involved in abiotic stresses, for instance, cold, drought, and low oxygen. In this study, a novel ethylene-responsive transcription factor named AdRAP2.3 was isolated from Actinidia deliciosa 'Jinkui'. AdRAP2.3 transcription levels in other reproductive organs except for the pistil were higher than those in the vegetative organs (root, stem, and leaf) in kiwi fruit. Plant hormones (Salicylic acid (SA), Methyl-jasmonate acid (MeJA), 1-Aminocyclopropanecarboxylic Acid (ACC), Abscisic acid (ABA)), abiotic stresses (waterlogging, heat, 4 °C and NaCl) and biotic stress (Pseudomonas Syringae pv. Actinidiae, Psa) could induce the expression of AdRAP2.3 gene in kiwi fruit. Overexpression of the AdRAP2.3 gene conferred waterlogging stress tolerance in transgenic tobacco plants. When completely submerged, the survival rate, fresh weight, and dry weight of transgenic tobacco lines were significantly higher than those of wile type (WT). Upon the roots being submerged, transgenic tobacco lines grew aerial roots earlier. Overexpression of AdRAP2.3 in transgenic tobacco improved the pyruvate decarboxylase (PDC) and alcohol dehydrogenase (ADH) enzyme activities, and improved the expression levels of waterlogging mark genes NtPDC, NtADH, NtHB1, NtHB2, NtPCO1, and NtPCO2 in roots under waterlogging treatment. Overall, these results demonstrated that AdRAP2.3 might play an important role in resistance to waterlogging through regulation of PDC and ADH genes in kiwi fruit.
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Affiliation(s)
- De-Lin Pan
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - Gang Wang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - Tao Wang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - Zhan-Hui Jia
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - Zhong-Ren Guo
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - Ji-Yu Zhang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
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26
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Pan R, He D, Xu L, Zhou M, Li C, Wu C, Xu Y, Zhang W. Proteomic analysis reveals response of differential wheat (Triticum aestivum L.) genotypes to oxygen deficiency stress. BMC Genomics 2019; 20:60. [PMID: 30658567 PMCID: PMC6339445 DOI: 10.1186/s12864-018-5405-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 12/21/2018] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Waterlogging is one of the main abiotic stresses that limit wheat production. Quantitative proteomics analysis has been applied in the study of crop abiotic stress as an effective way in recent years (e.g. salt stress, drought stress, heat stress and waterlogging stress). However, only a few proteins related to primary metabolism and signal transduction, such as UDP - glucose dehydrogenase, UGP, beta glucosidases, were reported to response to waterlogging stress in wheat. The differentially expressed proteins between genotypes of wheat in response to waterlogging are less-defined. In this study, two wheat genotypes, one is sensitive to waterlogging stress (Seri M82, named as S) and the other is tolerant to waterlogging (CIGM90.863, named as T), were compared in seedling roots under hypoxia conditions to evaluate the different responses at proteomic level. RESULTS A total of 4560 proteins were identified and the number of differentially expressed proteins (DEPs) were 361, 640, 788 in S and 33, 207, 279 in T in 1, 2, 3 days, respectively. These DEPs included 270 common proteins, 681 S-specific and 50 T-specific proteins, most of which were misc., protein processing, DNA and RNA processing, amino acid metabolism and stress related proteins induced by hypoxia. Some specific proteins related to waterlogging stress, including acid phosphatase, oxidant protective enzyme, S-adenosylmethionine synthetase 1, were significantly different between S and T. A total of 20 representative genes encoding DEPs, including 7 shared DEPs and 13 cultivar-specific DEPs, were selected for further RT-qPCR analysis. Fourteen genes showed consistent dynamic expression patterns at mRNA and protein levels. CONCLUSIONS Proteins involved in primary metabolisms and protein processing were inclined to be affected under hypoxia stress. The negative effects were more severe in the sensitive genotype. The expression patterns of some specific proteins, such as alcohol dehydrogenases and S-adenosylmethionine synthetase 1, could be applied as indexes for improving the waterlogging tolerance in wheat. Some specific proteins identified in this study will facilitate the subsequent protein function validation and biomarker development.
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Affiliation(s)
- Rui Pan
- Hubei Collaborative Innovation Center for Grain Industry/ School of Agriculture, Yangtze University, Jingzhou, 434025 China
| | - Dongli He
- College of Life Sciences, Hubei University, Wuhan, 430074 China
| | - Le Xu
- Hubei Collaborative Innovation Center for Grain Industry/ School of Agriculture, Yangtze University, Jingzhou, 434025 China
| | - Meixue Zhou
- Hubei Collaborative Innovation Center for Grain Industry/ School of Agriculture, Yangtze University, Jingzhou, 434025 China
- Tasmanian Institute of Agriculture, University of Tasmania, Private Bag 1375, Prospect, Hobart, Tasmania 7250 Australia
| | - Chengdao Li
- Hubei Collaborative Innovation Center for Grain Industry/ School of Agriculture, Yangtze University, Jingzhou, 434025 China
- Western Barley Genetics Alliance, School of Veterinary and Life Sciences (VLS), Murdoch University, Murdoch, WA Australia
| | - Chu Wu
- College of Horticulture and Gardening, Yangtze University, Jingzhou, 434025 China
| | - Yanhao Xu
- Hubei Collaborative Innovation Center for Grain Industry/ School of Agriculture, Yangtze University, Jingzhou, 434025 China
| | - Wenying Zhang
- Hubei Collaborative Innovation Center for Grain Industry/ School of Agriculture, Yangtze University, Jingzhou, 434025 China
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27
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Wang G, Wang T, Jia ZH, Xuan JP, Pan DL, Guo ZR, Zhang JY. Genome-Wide Bioinformatics Analysis of MAPK Gene Family in Kiwifruit ( Actinidia Chinensis). Int J Mol Sci 2018; 19:ijms19092510. [PMID: 30149559 PMCID: PMC6164783 DOI: 10.3390/ijms19092510] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 08/16/2018] [Accepted: 08/20/2018] [Indexed: 12/12/2022] Open
Abstract
Mitogen activated protein kinase (MAPK) cascades are universal signal transduction modules that play crucial roles in various biotic and abiotic stresses, hormones, cell division, and developmental processes in plants. Mitogen activated protein kinase (MAPK/MPK), being a part of this cascade, performs an important function for further appropriate cellular responses. Although MAPKs have been investigated in several model plants, no systematic analysis has been conducted in kiwifruit (Actinidia chinensis). In the present study, we identified 18 putative MAPKs in the kiwifruit genome. This gene family was analyzed bioinformatically in terms of their chromosome locations, sequence alignment, gene structures, and phylogenetic and conserved motifs. All members possess fully canonical motif structures of MAPK. Phylogenetic analysis indicated that AcMAPKs could be classified into five subfamilies, and these gene motifs in the same group showed high similarity. Gene structure analysis demonstrated that the number of exons in AcMAPK genes ranged from 2 to 29, suggesting large variation among kiwifruit MAPK genes. The expression profiles of these AcMAPK genes were further investigated using quantitative real-time polymerase chain reaction (qRT-PCR), which demonstrated that AcMAPKs were induced or repressed by various biotic and abiotic stresses and hormone treatments, suggesting their potential roles in the biotic and abiotic stress response and various hormone signal transduction pathways in kiwifruit. The results of this study provide valuable insight into the putative physiological and biochemical functions of MAPK genes in kiwifruit.
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Affiliation(s)
- Gang Wang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - Tao Wang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - Zhan-Hui Jia
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - Ji-Ping Xuan
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - De-Lin Pan
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - Zhong-Ren Guo
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - Ji-Yu Zhang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
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28
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Functional Characterization of Waterlogging and Heat Stresses Tolerance Gene Pyruvate decarboxylase 2 from Actinidia deliciosa. Int J Mol Sci 2017; 18:ijms18112377. [PMID: 29120390 PMCID: PMC5713346 DOI: 10.3390/ijms18112377] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Revised: 11/02/2017] [Accepted: 11/07/2017] [Indexed: 11/17/2022] Open
Abstract
A previous report showed that both Pyruvatedecarboxylase (PDC) genes were significantly upregulated in kiwifruit after waterlogging treatment using Illumina sequencing technology, and that the kiwifruit AdPDC1 gene was required during waterlogging, but might not be required during other environmental stresses. Here, the function of another PDC gene, named AdPDC2, was analyzed. The expression of the AdPDC2 gene was determined using qRT-PCR, and the results showed that the expression levels of AdPDC2 in the reproductive organs were much higher than those in the nutritive organs. Waterlogging, NaCl, and heat could induce the expression of AdPDC2. Overexpression of kiwifruit AdPDC2 in transgenic Arabidopsis enhanced resistance to waterlogging and heat stresses in five-week-old seedlings, but could not enhance resistance to NaCl and mannitol stresses at the seed germination stage and in early seedlings. These results suggested that the kiwifruit AdPDC2 gene may play an important role in waterlogging resistance and heat stresses in kiwifruit.
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