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Jia X, Xiong Y, Xiong Y, Li D, Ji X, Lei X, You M, Bai S, Zhang J, Ma X. The molecular regulatory mechanism of reed canary grass under salt, waterlogging, and combined stress was analyzed by transcriptomic analysis. BMC PLANT BIOLOGY 2024; 24:857. [PMID: 39266955 PMCID: PMC11396401 DOI: 10.1186/s12870-024-05564-w] [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: 02/17/2024] [Accepted: 09/02/2024] [Indexed: 09/14/2024]
Abstract
BACKGROUND Reed canary grass has been identified as a suitable species for restoring plateau wetlands and understanding plant adaptation mechanisms in wetland environments. In this study, we subjected a reed canary grass cultivar 'Chuanxi' to waterlogging, salt, and combined stresses to investigate its phenotypic characteristics, physiological indices, and transcriptome changes under these conditions. RESULTS The results revealed that the growth rate was slower under salt stress than under waterlogging stress. The chlorophyll content and energy capture efficiency of the PS II reaction center decreased with prolonged exposure to each stress. Conversely, while the activities of enzymes associated with respiratory metabolism, as well as MDA, PRO, Na+, and K+-ATPase, increased. The formation of distinct aerenchyma was observed under waterlogging stress and combined stress. Transcriptome sequencing analysis identified 5,379, 4,169, and 14,993 DEGs under CK vs. W, CK vs. S, and CK vs. SW conditions, respectively. The WRKY was found to be the most abundant under waterlogging stress, whereas the MYB predominated under salt stress and combined stress. Glutathione metabolic pathways and Plant hormone signal transduction have also been found to play important roles in stress. CONCLUSION By integrating phenotypic, physiological, anatomical, and transcriptomic, this research provides valuable insights into how reed canary grass responds to salt, waterlogging, and combined stresses. These findings may inform the ecological application of reed canary grass in high-altitude wetlands and for breeding purposes.
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Affiliation(s)
- Xuejie Jia
- Sichuan Academy of Grassland Science, Chengdu, 610097, China
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Yi Xiong
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Yanli Xiong
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Daxu Li
- Sichuan Academy of Grassland Science, Chengdu, 610097, China
| | - Xiaofei Ji
- Sichuan Academy of Grassland Science, Chengdu, 610097, China
| | - Xiong Lei
- Sichuan Academy of Grassland Science, Chengdu, 610097, China
| | - Minghong You
- Sichuan Academy of Grassland Science, Chengdu, 610097, China
| | - Shiqie Bai
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621002, China
| | - Jianbo Zhang
- Sichuan Academy of Grassland Science, Chengdu, 610097, China.
| | - Xiao Ma
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.
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Zhang Y, Qiao D, Zhang Z, Li Y, Shi S, Yang Y. Calcium signal regulated carbohydrate metabolism in wheat seedlings under salinity stress. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2024; 30:123-136. [PMID: 38435855 PMCID: PMC10902238 DOI: 10.1007/s12298-024-01413-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 12/19/2023] [Accepted: 01/22/2024] [Indexed: 03/05/2024]
Abstract
This study aimed to explore the mechanism by which calcium (Ca) signal regulated carbohydrate metabolism and exogenous Ca alleviated salinity toxicity. Wheat seedlings were treated with sodium chloride (NaCl, 150 mM) alone or combined with 500 μM calcium chloride (CaCl2), lanthanum chloride (LaCl3) and/or ethylene glycol tetraacetic acid (EGTA) to primarily analyse carbohydrate starch and sucrose metabolism, as well as Ca signaling components. Treatment with NaCl, EGTA, or LaCl3 alone retarded wheat-seedling growth and decreased starch content accompanied by weakened ribulose-1,5-bisphosphate carboxylation/oxygenase (Rubisco) and Rubisco activase activities, as well as enhanced glyceraldehyde-3-phosphate dehydrogenase, phosphoglycerate kinase, alpha-amylase, and beta-amylase activities. However, it increased the sucrose level, up-regulated the sucrose phosphate synthase (SPS) and sucrose synthase (SuSy) activities and TaSPS and TaSuSy expression together, but down-regulated the acid invertase (SA-Inv) and alkaline/neutral invertase (A/N-Inv) activities and TaSA-Inv and TaA/N-Inv expression. Except for unchanged A/N-Inv activities and TaA/N-Inv expression, adding CaCl2 effectively blocked the sodium salt-induced changes of these parameters, which was partially eliminated by EGTA or LaCl3 presence. Furthermore, NaCl treatment also significantly inhibited Ca-dependent protein kinases and Ca2+-ATPase activities and their gene expression in wheat leaves, which was effectively relieved by adding CaCl2. Taken together, CaCl2 application effectively alleviated the sodium salt-induced retardation of wheat-seedling growth by enhancing starch anabolism and sucrose catabolism, and intracellular Ca signal regulated the enzyme activities and gene expression of starch and sucrose metabolism in the leaves of sodium salt-stressed wheat seedlings.
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Affiliation(s)
- Ya Zhang
- School of Life Science, College of Life Science, Northwest Normal University, Lanzhou, 730070 Gansu People’s Republic of China
| | - Dan Qiao
- School of Life Science, College of Life Science, Northwest Normal University, Lanzhou, 730070 Gansu People’s Republic of China
| | - Zhe Zhang
- School of Life Science, College of Life Science, Northwest Normal University, Lanzhou, 730070 Gansu People’s Republic of China
| | - Yaping Li
- School of Life Science, College of Life Science, Northwest Normal University, Lanzhou, 730070 Gansu People’s Republic of China
| | - Shuqian Shi
- School of Life Science, College of Life Science, Northwest Normal University, Lanzhou, 730070 Gansu People’s Republic of China
| | - Yingli Yang
- School of Life Science, College of Life Science, Northwest Normal University, Lanzhou, 730070 Gansu People’s Republic of China
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Lee YR, Ko KS, Lee HE, Lee ES, Han K, Yoo JY, Vu BN, Choi HN, Lee YN, Hong JC, Lee KO, Kim DS. CRISPR/Cas9-Mediated HY5 Gene Editing Reduces Growth Inhibition in Chinese Cabbage ( Brassica rapa) under ER Stress. Int J Mol Sci 2023; 24:13105. [PMID: 37685921 PMCID: PMC10487758 DOI: 10.3390/ijms241713105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 08/17/2023] [Accepted: 08/21/2023] [Indexed: 09/10/2023] Open
Abstract
Various stresses can affect the quality and yield of crops, including vegetables. In this study, CRISPR/Cas9 technology was employed to examine the role of the ELONGATED HYPOCOTYL 5 (HY5) gene in influencing the growth of Chinese cabbage (Brassica rapa). Single guide RNAs (sgRNAs) were designed to target the HY5 gene, and deep-sequencing analysis confirmed the induction of mutations in the bZIP domain of the gene. To investigate the response of Chinese cabbage to endoplasmic reticulum (ER) stress, plants were treated with tunicamycin (TM). Both wild-type and hy5 mutant plants showed increased growth inhibition with increasing TM concentration. However, the hy5 mutant plants displayed less severe growth inhibition compared to the wild type. Using nitroblue tetrazolium (NBT) and 3,3'-diaminobenzidine (DAB) staining methods, we determined the amount of reactive oxygen species (ROS) produced under ER stress conditions, and found that the hy5 mutant plants generated lower levels of ROS compared to the wild type. Under ER stress conditions, the hy5 mutant plants exhibited lower expression levels of UPR- and cell death-related genes than the wild type. These results indicate that CRISPR/Cas9-mediated editing of the HY5 gene can mitigate growth inhibition in Chinese cabbage under stresses, improving the quality and yield of crops.
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Affiliation(s)
- Ye Rin Lee
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea; (Y.R.L.); (H.E.L.); (E.S.L.); (K.H.)
| | - Ki Seong Ko
- Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Gyeongsang National University, 501 Jinju-daero, Jinju 52828, Republic of Korea; (K.S.K.); (J.Y.Y.); (J.C.H.)
| | - Hye Eun Lee
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea; (Y.R.L.); (H.E.L.); (E.S.L.); (K.H.)
| | - Eun Su Lee
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea; (Y.R.L.); (H.E.L.); (E.S.L.); (K.H.)
| | - Koeun Han
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea; (Y.R.L.); (H.E.L.); (E.S.L.); (K.H.)
| | - Jae Yong Yoo
- Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Gyeongsang National University, 501 Jinju-daero, Jinju 52828, Republic of Korea; (K.S.K.); (J.Y.Y.); (J.C.H.)
| | - Bich Ngoc Vu
- Division of Life Science, Division of Applied Life Sciences (BK4 Program), Gyeongsang National University, 501 Jinju-daero, Jinju 52828, Republic of Korea; (B.N.V.); (H.N.C.); (Y.N.L.)
| | - Ha Na Choi
- Division of Life Science, Division of Applied Life Sciences (BK4 Program), Gyeongsang National University, 501 Jinju-daero, Jinju 52828, Republic of Korea; (B.N.V.); (H.N.C.); (Y.N.L.)
| | - Yoo Na Lee
- Division of Life Science, Division of Applied Life Sciences (BK4 Program), Gyeongsang National University, 501 Jinju-daero, Jinju 52828, Republic of Korea; (B.N.V.); (H.N.C.); (Y.N.L.)
| | - Jong Chan Hong
- Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Gyeongsang National University, 501 Jinju-daero, Jinju 52828, Republic of Korea; (K.S.K.); (J.Y.Y.); (J.C.H.)
- Division of Life Science, Division of Applied Life Sciences (BK4 Program), Gyeongsang National University, 501 Jinju-daero, Jinju 52828, Republic of Korea; (B.N.V.); (H.N.C.); (Y.N.L.)
| | - Kyun Oh Lee
- Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Gyeongsang National University, 501 Jinju-daero, Jinju 52828, Republic of Korea; (K.S.K.); (J.Y.Y.); (J.C.H.)
- Division of Life Science, Division of Applied Life Sciences (BK4 Program), Gyeongsang National University, 501 Jinju-daero, Jinju 52828, Republic of Korea; (B.N.V.); (H.N.C.); (Y.N.L.)
| | - Do Sun Kim
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea; (Y.R.L.); (H.E.L.); (E.S.L.); (K.H.)
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Li Y, Zhang T, Kang Y, Wang P, Yu W, Wang J, Li W, Jiang X, Zhou Y. Integrated metabolome, transcriptome analysis, and multi-flux full-length sequencing offer novel insights into the function of lignin biosynthesis as a Sesuvium portulacastrum response to salt stress. Int J Biol Macromol 2023; 237:124222. [PMID: 36990407 DOI: 10.1016/j.ijbiomac.2023.124222] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/21/2023] [Accepted: 03/24/2023] [Indexed: 03/30/2023]
Abstract
Sesuvium portulacastrum is a typical halophyte. However, few studies have investigated its salt-tolerant molecular mechanism. In this study, metabolome, transcriptome, and multi-flux full-length sequencing analysis were conducted to investigate the significantly different metabolites (SDMs) and differentially expressed genes (DEGs) of S. portulacastrum samples under salinity. The complete-length transcriptome of S. portulacastrum was developed, which contained 39,659 non-redundant unigenes. RNA-seq results showed that 52 DEGs involved in lignin biosynthesis may be responsible for S. portulacastrum salt tolerance. Furthermore, 130 SDMs were identified, and the salt response could be attributed to the p-coumaryl alcohol-rich in lignin biosynthesis. The co-expression network that was constructed after comparing the different salt treatment processes showed that the p-Coumaryl alcohol was linked to 30 DEGs. Herein, 8 structures genes, i.e., Sp4CL, SpCAD, SpCCR, SpCOMT, SpF5H, SpCYP73A, SpCCoAOMT, and SpC3'H were identified as significant factors in regulating lignin biosynthesis. Further investigation revealed that 64 putative transcription factors (TFs) may interact with the promoters of the above-mentioned genes. Together, the data revealed a potential regulatory network comprising important genes, putative TFs, and metabolites involved in the lignin biosynthesis of S. portulacastrum roots under salt stress, which could serve as a rich useful genetic resource for breeding excellent salt-tolerant plants.
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Hou R, Yang L, Wuyun T, Chen S, Zhang L. Genes related to osmoregulation and antioxidation play important roles in the response of Trollius chinensis seedlings to saline-alkali stress. FRONTIERS IN PLANT SCIENCE 2023; 14:1080504. [PMID: 36778702 PMCID: PMC9911134 DOI: 10.3389/fpls.2023.1080504] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 01/05/2023] [Indexed: 06/18/2023]
Abstract
Saline-alkali stress is one of the main abiotic stress factors affecting plant growth and development. Trollius chinensis is a perennial herbal medicinal plant with high values for garden application. However, its response and tolerance to saline-alkali stress is unclear. In this study, we mixed four salts (NaCl: Na2SO4: NaHCO3: Na2CO3) with a concentration ratio of 1:9:9:1, and applied low (40 and 80 mM) and high (120 and 160 mM) saline-alkali stress to analyze osmotic regulation substances, antioxidant systems and the gene expression of T. chinensis. Along with higher saline-alkali stress, the leaf relative water content (RWC) started to decrease only from high stress, while the malondialdehyde (MDA) content in leaves decreased continuously, and the contents of proline (Pro), soluble sugar (SS) and soluble protein (SP) increased compared with control. The activities of antioxidant enzymes and the contents of non-enzymatic antioxidants were increased positively with the accumulation of superoxide anion (O2 •-) and hydrogen peroxide (H2O2). For instance, the ascorbic acid-glutathione (AsA-GSH) cycle was enhanced in T. chinensis seedling leaves subject to saline-alkali stress. Principal Component Analysis (PCA) indicates that MDA, Pro, SS, SP, H2O2, O2 •-, and GSH are important indexes to evaluate the response and tolerance of T. chinensis to saline-alkali stress. Through RNA-Seq, a total of 474 differentially expressed genes (DEGs) were found in plant under low saline-alkaline stress (40 mM, MSA1) vs. control. Among them, 364 genes were up-regulated and 110 genes were down-regulated. DEGs were extensively enriched in carbohydrate transport, transferase activity, zeatin biosynthesis, ABC transporters, and spliceosome. The transcription factor family MYB, BZIP, WRKY, and NAC were related to its saline-alkali tolerance. In addition, some DEGs encode key enzymes in the processes of osmoregulation and antioxidation, including betaine aldehyde dehydrogenase (BADH), inositol monophosphatase (IMP), chloroperoxidase (CPO), thioredoxin (Trx), and germin-like protein (GLPs) were found. Overall, these findings provide new insights into the physiological changes and molecular mechanism of T. chinensis to saline-alkali stress and lay a foundation for application of T. chinensis in saline-alkali environment.
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Affiliation(s)
- Rongmiao Hou
- College of Landscape and Architecture, Zhejiang A&F University, Hangzhou, China
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, China
| | - Lizhi Yang
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, China
| | - Tana Wuyun
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Tartu, Estonia
| | - Shiyao Chen
- College of Landscape and Architecture, Zhejiang A&F University, Hangzhou, China
| | - Lu Zhang
- College of Landscape and Architecture, Zhejiang A&F University, Hangzhou, China
- Zhejiang Provincial Key Laboratory of Germplasm Innovation and Utilization for Garden Plants, Zhejiang A&F University, Hangzhou, China
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6
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Yuan S, Hu D, Wang Y, Shao C, Liu T, Zhang C, Cheng F, Hou X, Li Y. BcWRKY1 confers salt sensitivity via inhibiting Reactive oxygen species scavenging. PLANT MOLECULAR BIOLOGY 2022; 109:741-759. [PMID: 35553313 DOI: 10.1007/s11103-022-01272-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 04/07/2022] [Indexed: 06/15/2023]
Abstract
WRKY transcription factors play important roles in abiotic stress by directly regulating stress-related genes. However, the molecular mechanism of its involvement in salt stress in pak-choi is still poorly understood. In this study, we elucidated the function of BcWRKY1 from pak-choi (Brassica rapa ssp. chinensis) in salt stress. The expression level of BcWRKY1 showed the highest in rosette leaves among different tissues and was induced by salt and ABA treatment in pak-choi. Subcellular localization showed that BcWRKY1 was located in nucleus. The transgenic Arabidopsis overexpressing BcWRKY1 exhibited enhanced salt sensitivity and higher H2O2 contents, which were further confirmed by silencing BcWRKY1 in pak-choi. In addition, the expression of ZAT12 was negatively regulated with BcWRKY1 under salt stress both in pak-choi and Arabidopsis. Yeast one-hybrid and dual luciferase reporter assay showed that BcWRKY1 could bind to the promoter of BcZAT12, and BcsAPX expression was activated by BcZAT12. To sum up, we propose a BcWRKY1-BcZAT12-BcsAPX regulatory model that involves in pak-choi salt stress response.
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Affiliation(s)
- Shuilin Yuan
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, Jiangsu Province, China
| | - Die Hu
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, Jiangsu Province, China
- Guangdong Key Laboratory of Tea Plant Resources Innovation & Utilization, Tea Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, Guangdong Province, China
| | - Yuan Wang
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, Jiangsu Province, China
| | - Cen Shao
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, Jiangsu Province, China
| | - Tongkun Liu
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, Jiangsu Province, China
| | - Changwei Zhang
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, Jiangsu Province, China
| | - Feng Cheng
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture, Sino-Dutch Joint Laboratory of Horticultural Genomics, Beijing, China
| | - Xilin Hou
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, Jiangsu Province, China
| | - Ying Li
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, Jiangsu Province, China.
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Cao J, Li X, Chen L, He M, Lan H. The Developmental Delay of Seedlings With Cotyledons Only Confers Stress Tolerance to Suaeda aralocaspica (Chenopodiaceae) by Unique Performance on Morphology, Physiology, and Gene Expression. FRONTIERS IN PLANT SCIENCE 2022; 13:844430. [PMID: 35734249 PMCID: PMC9208309 DOI: 10.3389/fpls.2022.844430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 04/19/2022] [Indexed: 06/15/2023]
Abstract
Cotyledons play an important role in seedling establishment, although they may just exist for a short time and become senescent upon the emergence of euphylla. So far, the detailed function of cotyledons has not been well understood. Suaeda aralocaspica is an annual halophyte distributed in cold deserts; its cotyledons could exist for a longer time, even last until maturity, and they must exert a unique function in seedling development. Therefore, in this study, we conducted a series of experiments to investigate the morphological and physiological performances of cotyledons under salt stress at different developmental stages. The results showed that the cotyledons kept growing slowly to maintain the normal physiological activities of seedlings by balancing phytohormone levels, accumulating osmoprotectants and antioxidants, and scavenging reactive oxygen species (ROS). Salt stress activated the expression of osmoprotectant-related genes and enhanced the accumulation of related primary metabolites. Furthermore, differentially expressed transcriptional profiles of the cotyledons were also analyzed by cDNA-AFLP to gain an understanding of cotyledons in response to development and salt stress, and the results revealed a progressive increase in the expression level of development-related genes, which accounted for a majority of the total tested TDFs. Meanwhile, key photosynthetic and important salt stress-related genes also actively responded. All these performances suggest that "big cotyledons" are experiencing a delayed but active developmental process, by which S. aralocaspica may survive the harsh condition of the seedling stage.
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Shu J, Ma X, Ma H, Huang Q, Zhang Y, Guan M, Guan C. Transcriptomic, proteomic, metabolomic, and functional genomic approaches of Brassica napus L. during salt stress. PLoS One 2022; 17:e0262587. [PMID: 35271582 PMCID: PMC8912142 DOI: 10.1371/journal.pone.0262587] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 12/30/2021] [Indexed: 12/30/2022] Open
Abstract
Environmental abiotic stresses limit plant growth, development, and reproduction. This study aims to reveal the response of Brassica napus to salt stress. Here, transcriptomics, metabolomics, and proteomics analysis were performed on 15 Brassica napus leave samples treated with salt at different times. Through functional enrichment analyzing the differentially expressed genes (DEGs), differential metabolites (DMs) and differentially expressed proteins (DEPs), the key factors that dominate Brassica napus response to salt stress were identified. The results showed that the two key hormones responding to salt stress were Abscisic acid (ABA) and jasmonic acid (JA). Salt stress for 24h is an important milestone. Brassica napus adjusted multiple pathways at 24h to avoid over-response to salt stress and cause energy consumption. The increased expression in BnPP2C is tangible evidence. In response to salt stress, JA and ABA work together to reduce the damage caused by salt stress in Brassica napus. The increased expression of all BnJAZs after salt stress highlighted the function of JA that cannot be ignored responding to salt stress. In addition, some metabolites, such as N-acetyl-5-hydroxytryptamine, L-Cysteine and L-(+)-Arginine, play a critical role in maintaining the balance of ROS. Proteins like catalase-3, cysteine desulfurase, HSP90 and P450_97A3 were the most critical differential proteins in response to salt stress. These findings of this study provide data support for Brassica napus breeding.
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Affiliation(s)
- Jiabin Shu
- The Oilseed Crop Research Institute, National Oilseed Crop Improvement Center (Hunan), Hunan Agricultural University, Hunan, China
- Quzhou Academy of Agricultural and Forestry Sciences, Quzhou, Zhejiang, China
| | - Xiao Ma
- The Oilseed Crop Research Institute, National Oilseed Crop Improvement Center (Hunan), Hunan Agricultural University, Hunan, China
| | - Hua Ma
- The Oilseed Crop Research Institute, National Oilseed Crop Improvement Center (Hunan), Hunan Agricultural University, Hunan, China
| | - Qiurong Huang
- The Oilseed Crop Research Institute, National Oilseed Crop Improvement Center (Hunan), Hunan Agricultural University, Hunan, China
| | - Ye Zhang
- The Oilseed Crop Research Institute, National Oilseed Crop Improvement Center (Hunan), Hunan Agricultural University, Hunan, China
| | - Mei Guan
- The Oilseed Crop Research Institute, National Oilseed Crop Improvement Center (Hunan), Hunan Agricultural University, Hunan, China
| | - Chunyun Guan
- The Oilseed Crop Research Institute, National Oilseed Crop Improvement Center (Hunan), Hunan Agricultural University, Hunan, China
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Wang J, Zhang Y, Yan X, Guo J. Physiological and transcriptomic analyses of yellow horn (Xanthoceras sorbifolia) provide important insights into salt and saline-alkali stress tolerance. PLoS One 2020; 15:e0244365. [PMID: 33351842 PMCID: PMC7755187 DOI: 10.1371/journal.pone.0244365] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 12/08/2020] [Indexed: 12/19/2022] Open
Abstract
Yellow horn (Xanthoceras sorbifolia) is an oil-rich woody plant cultivated for bio-energy production in China. Soil saline-alkalization is a prominent agricultural-related environmental problem limiting plant growth and productivity. In this study, we performed comparative physiological and transcriptomic analyses to examine the mechanisms of X. sorbifolia seedling responding to salt and alkaline-salt stress. With the exception of chlorophyll content, physiological experiments revealed significant increases in all assessed indices in response to salt and saline-alkali treatments. Notably, compared with salt stress, we observed more pronounced changes in electrolyte leakage (EL) and malondialdehyde (MDA) levels in response to saline-alkali stress, which may contribute to the greater toxicity of saline-alkali soils. In total, 3,087 and 2,715 genes were differentially expressed in response to salt and saline-alkali treatments, respectively, among which carbon metabolism, biosynthesis of amino acids, starch and sucrose metabolism, and reactive oxygen species signaling networks were extensively enriched, and transcription factor families of bHLH, C2H2, bZIP, NAC, and ERF were transcriptionally activated. Moreover, relative to salt stress, saline-alkali stress activated more significant upregulation of genes related to H+ transport, indicating that regulation of intracellular pH may play an important role in coping with saline-alkali stress. These findings provide new insights for investigating the physiological changes and molecular mechanisms underlying the responses of X. sorbifolia to salt and saline-alkali stress.
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Affiliation(s)
- Juan Wang
- College of Forestry, Shanxi Agricultural University, Taigu, Shanxi, China
- Shanxi Key Laboratory of Functional Oil Tree Cultivation and Research, Taigu, Shanxi, China
| | - Yunxiang Zhang
- College of Forestry, Shanxi Agricultural University, Taigu, Shanxi, China
- Shanxi Key Laboratory of Functional Oil Tree Cultivation and Research, Taigu, Shanxi, China
| | - Xingrong Yan
- College of Forestry, Shanxi Agricultural University, Taigu, Shanxi, China
- Shanxi Key Laboratory of Functional Oil Tree Cultivation and Research, Taigu, Shanxi, China
| | - Jinping Guo
- College of Forestry, Shanxi Agricultural University, Taigu, Shanxi, China
- Shanxi Key Laboratory of Functional Oil Tree Cultivation and Research, Taigu, Shanxi, China
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Lee YR, Lim CY, Lim S, Park SR, Hong JP, Kim J, Lee HE, Ko K, Kim DS. Expression of Colorectal Cancer Antigenic Protein Fused to IgM Fc in Chinese Cabbage ( Brassica rapa). PLANTS 2020; 9:plants9111466. [PMID: 33143243 PMCID: PMC7693566 DOI: 10.3390/plants9111466] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 10/22/2020] [Accepted: 10/23/2020] [Indexed: 12/11/2022]
Abstract
The epithelial cell adhesion molecule (EpCAM) is a tumor-associated antigen and a potential target for tumor vaccine. The EpCAM is a cell-surface glycoprotein highly expressed in colorectal carcinomas. The objective of the present study is to develop an edible vaccine system through Agrobacterium-mediated transformation in Chinese cabbage (Brassica rapa). For the transformation, two plant expression vectors containing genes encoding for the EpCAM recombinant protein along with the fragment crystallizable (Fc) region of immunoglobulin M (IgM) and Joining (J)-chain tagged with the KDEL endoplasmic reticulum retention motif (J-chain K) were constructed. The vectors were successfully transformed and expressed in the Chinese cabbage individually using Agrobacterium. The transgenic Chinese cabbages were screened using genomic polymerase chain reaction (PCR) in T0 transgenic plant lines generated from both transformants. Similarly, the immunoblot analysis revealed the expression of recombinant proteins in the transformants. Further, the T1 transgenic plants were generated by selfing the transgenic plants (T0) carrying EpCAM-IgM Fc and J-chain K proteins, respectively. Subsequently, the T1 plants generated from EpCAM-IgM Fc and J-chain K transformants were crossed to generate F1 plants carrying both transgenes. The presence of both transgenes was validated using PCR in the F1 plants. In addition, the expression of Chinese cabbage-derived EpCAM-IgM Fc × J-chain K was evaluated using immunoblot and ELISA analyses in the F1 plants. The outcomes of the present study can be utilized for the development of a potential anti-cancer vaccine candidate using Chinese cabbage.
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Affiliation(s)
- Ye-Rin Lee
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju-gun 55365, Korea; (Y.-R.L.); (C.-Y.L.); (J.-P.H.); (J.K.); (H.-E.L.)
| | - Chae-Yeon Lim
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju-gun 55365, Korea; (Y.-R.L.); (C.-Y.L.); (J.-P.H.); (J.K.); (H.-E.L.)
| | - Sohee Lim
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea; (S.L.); (S.R.P.)
| | - Se Ra Park
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea; (S.L.); (S.R.P.)
| | - Jong-Pil Hong
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju-gun 55365, Korea; (Y.-R.L.); (C.-Y.L.); (J.-P.H.); (J.K.); (H.-E.L.)
| | - Jinhee Kim
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju-gun 55365, Korea; (Y.-R.L.); (C.-Y.L.); (J.-P.H.); (J.K.); (H.-E.L.)
| | - Hye-Eun Lee
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju-gun 55365, Korea; (Y.-R.L.); (C.-Y.L.); (J.-P.H.); (J.K.); (H.-E.L.)
| | - Kisung Ko
- Department of Medicine, College of Medicine, Chung-Ang University, Seoul 06974, Korea; (S.L.); (S.R.P.)
- Correspondence: (K.K.); (D.-S.K.); Tel.: +82-63-238-6670 (K.K.); +82-63-238-6670 (D.-S.K.)
| | - Do-Sun Kim
- Vegetable Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju-gun 55365, Korea; (Y.-R.L.); (C.-Y.L.); (J.-P.H.); (J.K.); (H.-E.L.)
- Correspondence: (K.K.); (D.-S.K.); Tel.: +82-63-238-6670 (K.K.); +82-63-238-6670 (D.-S.K.)
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11
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Chang H, Liu S, Tong T, He Q, Crittenden JC, Vidic RD, Liu B. On-Site Treatment of Shale Gas Flowback and Produced Water in Sichuan Basin by Fertilizer Drawn Forward Osmosis for Irrigation. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:10926-10935. [PMID: 32693582 DOI: 10.1021/acs.est.0c03243] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Fertilizer drawn forward osmosis (FDFO) was proposed to extract fresh water from flowback and produced water (FPW) from shale gas extraction for irrigation, with fertilizer types and membrane orientations assessed. The draw solution (DS) with NH4H2PO4 displayed the best performance, while the DS with (NH4)2HPO4 resulted in the most severe membrane fouling. The DS with KCl and KNO3 led to substantial reverse solute fluxes. The FDFO operation where the active layer of the membrane was facing the feed solution outperformed that when the active layer was facing the DS. The diluted DS and diluted FPW samples were used for irrigation of Cherry radish and Chinese cabbage. Compared to deionized water, irrigation with the diluted DS (total dissolved solid (TDS) = 350 mg·L-1) promoted plant growth. In contrast, inhibited plant growth was observed when FPW with high salinity (TDS = 5000 mg·L-1) and low salinity (TDS = 1000 mg·L-1) was used for irrigation of long-term (8-week) plant cultures. Finally, upregulated genes were identified to illustrate the difference in plant growth. The results of this study provide a guide for efficient and safe use of FPW after FDFO treatment for agricultural application.
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Affiliation(s)
- Haiqing Chang
- Key Laboratory of Deep Earth Science and Engineering (Ministry of Education), College of Architecture and Environment, Institute of New Energy and Low-Carbon Technology, Sichuan University, Chengdu 610207, PR China
| | - Shi Liu
- Chuanqing Drilling Engineering Company Limited, Chinese National Petroleum Corporation, Chengdu 610081, PR China
| | - Tiezheng Tong
- Department of Civil and Environmental Engineering, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Qiping He
- Chuanqing Drilling Engineering Company Limited, Chinese National Petroleum Corporation, Chengdu 610081, PR China
| | - John C Crittenden
- Brook Byers Institute for Sustainable Systems, School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Radisav D Vidic
- Department of Civil and Environmental Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Baicang Liu
- Key Laboratory of Deep Earth Science and Engineering (Ministry of Education), College of Architecture and Environment, Institute of New Energy and Low-Carbon Technology, Sichuan University, Chengdu 610207, PR China
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12
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Ye W, Wang T, Wei W, Lou S, Lan F, Zhu S, Li Q, Ji G, Lin C, Wu X, Ma L. The Full-Length Transcriptome of Spartina alterniflora Reveals the Complexity of High Salt Tolerance in Monocotyledonous Halophyte. PLANT & CELL PHYSIOLOGY 2020; 61:882-896. [PMID: 32044993 DOI: 10.1093/pcp/pcaa013] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 01/31/2020] [Indexed: 05/09/2023]
Abstract
Spartina alterniflora (Spartina) is the only halophyte in the salt marsh. However, the molecular basis of its high salt tolerance remains elusive. In this study, we used Pacific Biosciences (PacBio) full-length single-molecule long-read sequencing and RNA-seq to elucidate the transcriptome dynamics of high salt tolerance in Spartina by salt gradient experiments. High-quality unigenes, transcription factors, non-coding RNA and Spartina-specific transcripts were identified. Co-expression network analysis found that protein kinase-encoding genes (SaOST1, SaCIPK10 and SaLRRs) are hub genes in the salt tolerance regulatory network. High salt stress induced the expression of transcription factors but repressed the expression of long non-coding RNAs. The Spartina transcriptome is closer to rice than Arabidopsis, and a higher proportion of transporter and transcription factor-encoding transcripts have been found in Spartina. Transcriptome analysis showed that high salt stress induced the expression of carbohydrate metabolism, especially cell-wall biosynthesis-related genes in Spartina, and repressed its expression in rice. Compared with rice, high salt stress highly induced the expression of stress response, protein modification and redox-related gene expression and greatly inhibited translation in Spartina. High salt stress also induced alternative splicing in Spartina, while differentially expressed alternative splicing events associated with photosynthesis were overrepresented in Spartina but not in rice. Finally, we built the SAPacBio website for visualizing full-length transcriptome sequences, transcription factors, ncRNAs, salt-tolerant genes and alternative splicing events in Spartina. Overall, this study suggests that the salt tolerance mechanism in Spartina is different from rice in many aspects and is far more complex than expected.
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Affiliation(s)
- Wenbin Ye
- Department of Automation, Xiamen University, Xiamen 361005, China
| | - Taotao Wang
- Fujian Provincial Key Laboratory of Plant Functional Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Basic Forestry and Proteomics Research Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Wei Wei
- Fujian Provincial Key Laboratory of Plant Functional Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Shuaitong Lou
- Fujian Provincial Key Laboratory of Plant Functional Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Faxiu Lan
- Basic Forestry and Proteomics Research Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Sheng Zhu
- Department of Automation, Xiamen University, Xiamen 361005, China
| | - Qinzhen Li
- Fujian Provincial Key Laboratory of Plant Functional Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Department of Automation, Xiamen University, Xiamen 361005, China
| | - Guoli Ji
- Department of Automation, Xiamen University, Xiamen 361005, China
| | - Chentao Lin
- Department of Molecular, Cell and Developmental Biology, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Xiaohui Wu
- Department of Automation, Xiamen University, Xiamen 361005, China
| | - Liuyin Ma
- Fujian Provincial Key Laboratory of Plant Functional Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Basic Forestry and Proteomics Research Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
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Kamran M, Xie K, Sun J, Wang D, Shi C, Lu Y, Gu W, Xu P. Modulation of growth performance and coordinated induction of ascorbate-glutathione and methylglyoxal detoxification systems by salicylic acid mitigates salt toxicity in choysum (Brassica parachinensis L.). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 188:109877. [PMID: 31704320 DOI: 10.1016/j.ecoenv.2019.109877] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 10/15/2019] [Accepted: 10/25/2019] [Indexed: 05/07/2023]
Abstract
Salinity represents a serious environmental threat to crop production and by extension, to world food supply, social and economic prosperity of the developing world. Salicylic acid (SA) is an endogenous plant signal molecule involved in regulating various plant responses to stress. In the present study, we characterized the regulatory role of exogenous SA for their ability to ameliorate deleterious effects of salt stress (0, 100, 150, 200 mM NaCl) in choysum plants through coordinated induction of antioxidants, ascorbate glutathione (AsA-GSH) cycle, and the glyoxalase enzymes. An increase in salt stress dramatically declined root and shoot growth, leaf chlorophyll and relative water content (RWC), subsequently increased electrolyte leakage (EL) and osmolytes accumulation in choysum plants. Salt stress disrupted the antioxidant and glyoxalase defense systems which persuaded oxidative damages and carbonyl toxicity, indicated by increased H2O2 generation, lipid peroxidation, and methylglyoxal (MG) content. However, application of SA had an additive effect on the growth of salt-affected choysum plants, which enhanced root length, plant biomass, chlorophyll contents, leaf area, and RWC. Moreover, SA application effectively eliminated the oxidative and carbonyl stress by improving AsA and GSH pool, upregulating the activities of antioxidant enzymes and the enzymes associated with AsA-GSH cycle and glyoxalase system. Overall, SA application completely counteracted the salinity-induced deleterious effects of 100 and 150 mM NaCl and partially mediated that of 200 mM NaCl stress. Therefore, we concluded that SA application induced tolerance to salinity stress in choysum plants due to the synchronized increase in activities of enzymatic and non-enzymatic antioxidants, enhanced efficiency of AsA-GSH cycle and the MG detoxification systems.
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Affiliation(s)
- Muhammad Kamran
- Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China; Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture, Guangzhou, 510640, China; Guangdong Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangzhou, 510640, China
| | - Kaizhi Xie
- Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China; Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture, Guangzhou, 510640, China; Guangdong Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangzhou, 510640, China
| | - Jie Sun
- Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China; Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture, Guangzhou, 510640, China; Guangdong Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangzhou, 510640, China
| | - Dan Wang
- Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China; Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture, Guangzhou, 510640, China; Guangdong Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangzhou, 510640, China
| | - Chaohong Shi
- Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China; Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture, Guangzhou, 510640, China; Guangdong Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangzhou, 510640, China
| | - Yusheng Lu
- Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China; Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture, Guangzhou, 510640, China; Guangdong Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangzhou, 510640, China
| | - Wenjie Gu
- Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China; Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture, Guangzhou, 510640, China; Guangdong Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangzhou, 510640, China.
| | - Peizhi Xu
- Institute of Agricultural Resources and Environment, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China; Key Laboratory of Plant Nutrition and Fertilizer in South Region, Ministry of Agriculture, Guangzhou, 510640, China; Guangdong Key Laboratory of Nutrient Cycling and Farmland Conservation, Guangzhou, 510640, China.
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14
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Huang L, Li Z, Pan S, Liu Q, Pu G, Zhang Y, Li J. Ameliorating effects of exogenous calcium on the photosynthetic physiology of honeysuckle (Lonicera japonica) under salt stress. FUNCTIONAL PLANT BIOLOGY : FPB 2019; 46:1103-1113. [PMID: 31581977 DOI: 10.1071/fp19116] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 07/11/2019] [Indexed: 06/10/2023]
Abstract
Calcium (Ca2+) plays pivotal roles in modulating plant growth, development and stress responses. This work was conducted to study the effects of 20 mM calcium on the biomass, malondialdehyde content, chlorophyll content, ion ratio, chlorophyll a fluorescence and gas-exchange parameters, gene expression of annual honeysuckle under 50, 100 and 200 mM NaCl. At the end of treatment, Na+ concentration was increased with the mounting salinity, but a higher ratio of K+/Na2+, Ca2+/Na+, Mg2+/Na+ were obtained after calcium addition. Salinity exerted an adverse effect on the dry weights and chlorophyll content, whereas CaCl2 played a positive role. Consistent with biomass reduction, the photosynthetic rate and stomatal conductance declined in leaves of honeysuckle exposed to elevated salinity. However, the extent of reduction was much less under CaCl2 combination treatments than one caused by NaCl treatments. Exogenous calcium also protects the photochemical activity of PSII by protecting reaction centre from inactivation and maintaining electron transport from QA- to QB-. Further, exogenous calcium promoted the overexpression of LHCB coding gene Cab and Rubisco large subunit coding gene rbcL under short-term stress. In conclusion, exogenous calcium was effective in improving the salt tolerance of honeysuckle in the photosynthetic base, thereby improving the growth of plants.
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Affiliation(s)
- Luyao Huang
- Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Zhuangzhuang Li
- Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Shaobin Pan
- Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Qian Liu
- Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Gaobin Pu
- Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Yongqing Zhang
- Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Jia Li
- Shandong University of Traditional Chinese Medicine, Jinan 250355, China; and Corresponding author.
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15
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Sharma N, Arrigoni G, Ebinezer LB, Trentin AR, Franchin C, Giaretta S, Carletti P, Thiele-Bruhn S, Ghisi R, Masi A. A proteomic and biochemical investigation on the effects of sulfadiazine in Arabidopsis thaliana. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 178:146-158. [PMID: 31002969 DOI: 10.1016/j.ecoenv.2019.04.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 03/26/2019] [Accepted: 04/03/2019] [Indexed: 06/09/2023]
Abstract
Animal manure or bio-solids used as fertilizers are the main routes of antibiotic exposure in the agricultural land, which can have immense detrimental effects on plants. Sulfadiazine (SDZ), belonging to the class of sulfonamides, is one of the most detected antibiotics in the agricultural soil. In this study, the effect of SDZ on the growth, changes in antioxidant metabolite content and enzyme activities related to oxidative stress were analysed. Moreover, the proteome alterations in Arabidopsis thaliana roots in response to SDZ was examined by means of a combined iTRAQ-LC-MS/MS quantitative proteomics approach. A dose-dependent decrease in leaf biomass and root length was evidenced in response to SDZ. Increased malondialdehyde content at higher concentration (2 μM) of SDZ indicated increased lipid peroxidation and suggest the induction of oxidative stress. Glutathione levels were significantly higher compared to control, whereas there was no increase in ascorbate content or the enzyme activities of glutathione metabolism, even at higher concentrations. In total, 48 differentially abundant proteins related to stress/stimuli response followed by transcription and translation, metabolism, transport and other functions were identified. Several proteins related to oxidative, dehydration, salinity and heavy metal stresses were represented. Upregulation of peroxidases was validated with total peroxidase activity. Pathway analysis provided an indication of increased phenylpropanoid biosynthesis. Probable molecular mechanisms altered in response to SDZ are highlighted.
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Affiliation(s)
- Nisha Sharma
- DAFNAE, University of Padova, Viale Università 16, 30520 Legnaro, PD, Italy
| | - Giorgio Arrigoni
- Department of Biomedical Sciences, University of Padova, Via U. Bassi 58/B, Padova, Italy; Proteomics Center, University of Padova and Azienda Ospedaliera di Padova, Italy
| | | | - Anna Rita Trentin
- DAFNAE, University of Padova, Viale Università 16, 30520 Legnaro, PD, Italy
| | - Cinzia Franchin
- Department of Biomedical Sciences, University of Padova, Via U. Bassi 58/B, Padova, Italy; Proteomics Center, University of Padova and Azienda Ospedaliera di Padova, Italy
| | - Sabrina Giaretta
- DAFNAE, University of Padova, Viale Università 16, 30520 Legnaro, PD, Italy
| | - Paolo Carletti
- DAFNAE, University of Padova, Viale Università 16, 30520 Legnaro, PD, Italy
| | - Sören Thiele-Bruhn
- Soil Science, Trier University, Behringstraße 21, D-54286, Trier, Germany
| | - Rossella Ghisi
- DAFNAE, University of Padova, Viale Università 16, 30520 Legnaro, PD, Italy
| | - Antonio Masi
- DAFNAE, University of Padova, Viale Università 16, 30520 Legnaro, PD, Italy
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Wang J, Qiu N, Wang P, Zhang W, Yang X, Chen M, Wang B, Sun J. Na + compartmentation strategy of Chinese cabbage in response to salt stress. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2019; 140:151-157. [PMID: 31103797 DOI: 10.1016/j.plaphy.2019.05.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 04/30/2019] [Accepted: 05/02/2019] [Indexed: 05/03/2023]
Abstract
Na+/H+ antiporter (NHX), responsible for counter-transport of Na+ and H+ across membranes (Na+ compartmentalization), plays a central role in plant salt-tolerance. In order to explore the Na+ compartmentalization modes and salt tolerance strategy in Chinese cabbage (Brassica rapa L. ssp. pekinensis), the seedlings of a salt-susceptible cabbage cultivar (Kuaicai 38) and a salt-tolerant cabbage cultivar (Qingmaye) were exposed to 100-400 mM NaCl for 30 days. Both of these cultivars showed a gradual decrease in fresh weight and water content and an increase in root-shoot ratio with the increasing NaCl-treatment concentration. The distribution of Na+ in these two cultivars was similar, with the green leaves showing the highest Na+ content, followed by inflated midribs, stems, and roots. The Na+ concentration in the apoplast was higher than that in the protoplast of the leaves. The expression levels of BrNHX1-1 and BrNHX1-2 in the leaves of Qingmaye were the highest among all BrNHX members, and increased after salt treatment. However, only BrNHX1-1 was expressed in Kuaicai 38. These results indicate that Na+ compartmentation into vacuoles is the major salt-adaptation strategy in Chinese cabbage. Coordinated overexpression of BrNHX1-1 and BrNHX1-2 may confer greater salt-tolerance for Chinese cabbage.
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Affiliation(s)
- Juan Wang
- College of Life Sciences, Qufu Normal University, Qufu, Shandong, 273165, China
| | - Nianwei Qiu
- College of Life Sciences, Qufu Normal University, Qufu, Shandong, 273165, China.
| | - Ping Wang
- College of Life Sciences, Qufu Normal University, Qufu, Shandong, 273165, China
| | - Weirong Zhang
- College of Life Sciences, Qufu Normal University, Qufu, Shandong, 273165, China
| | - Xiaoying Yang
- College of Life Sciences, Qufu Normal University, Qufu, Shandong, 273165, China
| | - Min Chen
- Shandong Provincial Key Laboratory of Plant Stress, Shandong Normal University, Jinan, 250014, China
| | - Baoshan Wang
- Shandong Provincial Key Laboratory of Plant Stress, Shandong Normal University, Jinan, 250014, China
| | - Jingkuan Sun
- Shandong Provincial Key Laboratory of Eco-Environmental Science for Yellow River Delta, Binzhou University, Binzhou, Shandong, 256600, China.
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17
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Pi B, He X, Ruan Y, Jang JC, Huang Y. Genome-wide analysis and stress-responsive expression of CCCH zinc finger family genes in Brassica rapa. BMC PLANT BIOLOGY 2018; 18:373. [PMID: 30587139 PMCID: PMC6307296 DOI: 10.1186/s12870-018-1608-7] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 12/17/2018] [Indexed: 05/03/2023]
Abstract
BACKGROUND Ubiquitous CCCH nucleic acid-binding motif is found in a wide-variety of organisms. CCCH genes are involved in plant developmental processes and biotic and abiotic stress responses. Brassica rapa is a vital economic crop and classical model plant of polyploidy evolution, but the functions of CCCH genes in B. rapa are unclear. RESULTS In this study, 103 CCCH genes in B. rapa were identified. A comparative analysis of the chromosomal position, gene structure, domain organization and duplication event between B. rapa and Arabidopsis thaliana were performed. Results showed that CCCH genes could be divided into 18 subfamilies, and segmental duplication might mainly contribute to this family expansion. C-X7/8-C-X5-C3-H was the most commonly found motif, but some novel CCCH motifs were also found, along with some loses of typical CCCH motifs widespread in other plant species. The multifarious gene structures and domain organizations implicated functional diversity of CCCH genes in B. rapa. Evidence also suggested functional redundancy in at least one subfamily due to high conservation between members. Finally, the expression profiles of subfamily-IX genes indicated that they are likely involved in various stress responses. CONCLUSION This study provides the first genome-wide characterization of the CCCH genes in B. rapa. The results suggest that B. rapa CCCH genes are likely functionally divergent, but mostly involved in plant development and stress response. These results are expected to facilitate future functional characterization of this potential RNA-binding protein family in Brassica crops.
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Affiliation(s)
- Boyi Pi
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, 410128 China
- Key Laboratory of Crop Epigenetic Regulation and Development in Hunan Province, Changsha, 410128 China
- Key Laboratory of Plant Genetics and Molecular Biology of Education Department in Hunan Province, Changsha, 410128 China
| | - Xinghui He
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, 410128 China
- Key Laboratory of Crop Epigenetic Regulation and Development in Hunan Province, Changsha, 410128 China
- Key Laboratory of Plant Genetics and Molecular Biology of Education Department in Hunan Province, Changsha, 410128 China
| | - Ying Ruan
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, 410128 China
- Key Laboratory of Crop Epigenetic Regulation and Development in Hunan Province, Changsha, 410128 China
- Key Laboratory of Plant Genetics and Molecular Biology of Education Department in Hunan Province, Changsha, 410128 China
| | - Jyan-Chyun Jang
- Department of Horticulture and Crop Science, Molecular Genetics, and Center for Applied Plant Sciences, The Ohio State University, Columbus, OH 43210 USA
| | - Yong Huang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, 410128 China
- Key Laboratory of Crop Epigenetic Regulation and Development in Hunan Province, Changsha, 410128 China
- Key Laboratory of Plant Genetics and Molecular Biology of Education Department in Hunan Province, Changsha, 410128 China
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18
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Dong W, Liu X, Li D, Gao T, Song Y. Transcriptional profiling reveals that a MYB transcription factor MsMYB4 contributes to the salinity stress response of alfalfa. PLoS One 2018; 13:e0204033. [PMID: 30252877 PMCID: PMC6155508 DOI: 10.1371/journal.pone.0204033] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 09/02/2018] [Indexed: 12/23/2022] Open
Abstract
MYB transcription factors are important regulators of the plant response to abiotic stress. Their participation in the salinity stress of the key forage legume species alfalfa (Medicago sativa) was investigated here by comparing the transcriptomes of the two cultivars Dryland (DL) and Sundory (SD), which differed with respect to their ability to tolerate salinity stress. When challenged by the stress, DL plants were better able than SD ones to scavenge reactive oxygen species. A large number of genes encoding transcription regulators, signal transducers and proteins involved in both primary and secondary metabolism were differentially transcribed in the two cultivars, especially when plants were subjected to salinity stress. The set of induced genes included 17 MYB family of transcription factors, all of which were subsequently isolated. The effect of constitutively expressing these genes on the salinity tolerance expressed by Arabidopsis thaliana was investigated. The introduction of MsMYB4 significantly increased the plants’ salinity tolerance in an abscisic acid-dependent manner. A sub-cellular localization experiment and a transactivation assay indicated that MsMYB4 was deposited in the nucleus and was able to activate transcription in yeast. Based on this information, we propose that the MsMYB4 products is likely directly involved in alfalfa’s response to salinity stress.
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Affiliation(s)
- Wei Dong
- School of Life Science, Qufu Normal University, Qufu, Shandong, P.R.China
| | - Xijiang Liu
- School of Life Science, Qufu Normal University, Qufu, Shandong, P.R.China
| | - Donglei Li
- School of Life Science, Qufu Normal University, Qufu, Shandong, P.R.China
| | - Tianxue Gao
- School of Life Science, Qufu Normal University, Qufu, Shandong, P.R.China
| | - Yuguang Song
- School of Life Science, Qufu Normal University, Qufu, Shandong, P.R.China
- * E-mail:
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Transcriptome Analysis in Chinese Cabbage (Brassica rapa ssp. pekinensis) Provides the Role of Glucosinolate Metabolism in Response to Drought Stress. Molecules 2018; 23:molecules23051186. [PMID: 29762546 PMCID: PMC6099646 DOI: 10.3390/molecules23051186] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Revised: 05/12/2018] [Accepted: 05/12/2018] [Indexed: 02/01/2023] Open
Abstract
Although drought stress is one of the most limiting factors in growth and production of Chinese cabbage (Brassica rapa L. ssp. pekinensis), the underlying biochemical and molecular causes are poorly understood. In the present study, to address the mechanisms underlying the drought responses, we analyzed the transcriptome profile of Chinese cabbage grown under drought conditions. Drought stress transcriptionally activated several transcription factor genes, including AP2/ERFs, bHLHs, NACs and bZIPs, and was found to possibly result in transcriptional variation in genes involved in organic substance metabolic processes. In addition, comparative expression analysis of selected BrbZIPs under different stress conditions suggested that drought-induced BrbZIPs are important for improving drought tolerance. Further, drought stress in Chinese cabbage caused differential acclimation responses in glucosinolate metabolism in leaves and roots. Analysis of stomatal aperture indicated that drought-induced accumulation of glucosinolates in leaves directly or indirectly controlled stomatal closure to prevent water loss, suggesting that organ-specific responses are essential for plant survival under drought stress condition. Taken together, our results provide information important for further studies on molecular mechanisms of drought tolerance in Chinese cabbage.
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Modeling and Testing of Growth Status for Chinese Cabbage and White Radish with UAV-Based RGB Imagery. REMOTE SENSING 2018. [DOI: 10.3390/rs10040563] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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