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Huang Y, Jiao Y, Yang S, Mao D, Wang F, Chen L, Liang M. SiNCED1, a 9-cis-epoxycarotenoid dioxygenase gene in Setaria italica, is involved in drought tolerance and seed germination in transgenic Arabidopsis. FRONTIERS IN PLANT SCIENCE 2023; 14:1121809. [PMID: 36968367 PMCID: PMC10034083 DOI: 10.3389/fpls.2023.1121809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
Foxtail millet (Setaria italica L.) is a vital cereal food crop with promising development and utilization potential because of its outstanding ability to resist drought stress. However, the molecular mechanisms underlying its drought stress resistance remain unclear. In this study, we aimed to elucidate the molecular function of a 9-cis-epoxycarotenoid dioxygenase gene, SiNCED1, in the drought stress response of foxtail millet. Expression pattern analysis showed that SiNCED1 expression was significantly induced by abscisic acid (ABA), osmotic stress, and salt stress. Furthermore, ectopic overexpression of SiNCED1 could enhance drought stress resistance by elevating endogenous ABA levels and promoting stomatal closure. Transcript analysis indicated that SiNCED1 modulated ABA-related stress responsive gene expression. In addition, we found that ectopic expression of SiNCED1 delayed seed germination under normal and abiotic stress conditions. Taken together, our results show that SiNCED1 plays a positive role in the drought tolerance and seed dormancy of foxtail millet by modulating ABA biosynthesis. In conclusion, this study revealed that SiNCED1 is an important candidate gene for the improvement of drought stress tolerance in foxtail millet and could be beneficial in the breeding and investigation of drought tolerance in other agronomic crops.
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Affiliation(s)
- Yuan Huang
- College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, China
- College of Life Science, Hunan Normal University, Changsha, China
| | - Yang Jiao
- College of Life Science, Hunan Normal University, Changsha, China
| | - Sha Yang
- College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Dandan Mao
- College of Life Science, Hunan Normal University, Changsha, China
- Hunan Province Key Laboratory of Crop Sterile Germplasm Resource Innovation and Application, College of Life Science, Hunan Normal University, Changsha, China
| | - Feng Wang
- College of Life Science, Hunan Normal University, Changsha, China
| | - Liangbi Chen
- College of Life Science, Hunan Normal University, Changsha, China
- Hunan Province Key Laboratory of Crop Sterile Germplasm Resource Innovation and Application, College of Life Science, Hunan Normal University, Changsha, China
| | - Manzhong Liang
- College of Life Science, Hunan Normal University, Changsha, China
- Hunan Province Key Laboratory of Crop Sterile Germplasm Resource Innovation and Application, College of Life Science, Hunan Normal University, Changsha, China
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102
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Jensen NB, Ottosen CO, Zhou R. Exogenous Melatonin Alters Stomatal Regulation in Tomato Seedlings Subjected to Combined Heat and Drought Stress through Mechanisms Distinct from ABA Signaling. PLANTS (BASEL, SWITZERLAND) 2023; 12:1156. [PMID: 36904016 PMCID: PMC10005520 DOI: 10.3390/plants12051156] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 02/25/2023] [Accepted: 02/27/2023] [Indexed: 06/18/2023]
Abstract
The understanding of stomatal regulation in climate stress is essential for ensuring resilient crops. The investigation of the stomatal regulation in combined heat and drought stress aimed to link effects of exogenous melatonin on stomatal conductance (gs) and its mechanistic interactions with ABA or ROS signaling. Melatonin-treated and non-treated tomato seedlings were subjected to moderate and severe levels of heat (38°C for one or three days) and drought stress (soil relative water content of 50% or 20%) applied individually and in combination. We measured gs, stomatal anatomy, ABA metabolites and enzymatic ROS scavengers. The stomata in combined stress responded predominantly to heat at soil relative water content (SRWC) = 50% and to drought stress at SRWC = 20%. Drought stress increased ABA levels at severe stress, whereas heat stress caused an accumulation of the conjugated form, ABA glucose ester, at both moderate and severe stress. The melatonin treatment affected gs and the activity of ROS scavenging enzymes but had no effect on ABA levels. The ABA metabolism and conjugation of ABA might play a role in stomatal opening toward high temperatures. We provide evidence that melatonin increases gs in combined heat and drought stress, but the effect is not mediated through ABA signaling.
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Affiliation(s)
- Nikolaj Bjerring Jensen
- Department of Food Science, Plant, Food & Climate, Aarhus University, Agro Food Park 48, DK-8200 Aarhus N, Denmark
| | - Carl-Otto Ottosen
- Department of Food Science, Plant, Food & Climate, Aarhus University, Agro Food Park 48, DK-8200 Aarhus N, Denmark
| | - Rong Zhou
- Department of Food Science, Plant, Food & Climate, Aarhus University, Agro Food Park 48, DK-8200 Aarhus N, Denmark
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China
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103
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Li L, Li T, Liu Y, Li L, Huang X, Xie J. Effects of antibiotics stress on root development, seedling growth, antioxidant status and abscisic acid level in wheat (Triticum aestivum L.). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 252:114621. [PMID: 36774794 DOI: 10.1016/j.ecoenv.2023.114621] [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: 06/27/2022] [Revised: 01/22/2023] [Accepted: 02/05/2023] [Indexed: 06/18/2023]
Abstract
The veterinary antibiotics contamination in agroecosystems is a substantial problem globally. However, little is known about their toxicity to crops, especially in wheat. This study evaluated the phytotoxic effects of the two most representative antibiotics, namely oxytetracycline (OTC) and enrofloxacin (ENR), on seed germination, seedling growth, root elongation and antioxidant status in wheat, and investigated the response of abscisic acid (ABA) to antibiotic stress and its underlying mechanism. The results showed that OTC and ENR under the experimental concentrations (5, 10, 20, 40 and 80 mg·L-1) had no influence on seed germination of wheat. The reduced root length, fresh weight and surface area were observed when the concentrations of OTC and ENR were higher than 10 mg·L-1 and 5 mg·L-1, respectively. High concentrations (>40 mg·L-1) of antibiotics dramatically decreased the root length, fresh weight, root numbers and surface area as well as the number of stele cells and stele area. The activity of catalase (CAT), superoxide dismutase (SOD) and peroxidase (POD), and malondialdehyde (MDA) content in shoots and roots were increased with the increasing OTC and ENR concentrations. High concentrations (>40 mg·L-1) of antibiotics improved ABA content and enhanced the transcription levels of genes related to ABA biosynthesis (TaNCED1 and TaNCED2) and metabolism (TaABA8'OH1-A and TaABA8'OH2-A) in shoots and roots of wheat seedlings. Wheat seedlings had relatively strong sensitivity to low concentration (5 mg·L-1) of ENR. These results suggest that OTC and ENR modulate root development and seedling growth by regulating ABA level and antioxidant defense system in wheat.
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Affiliation(s)
- Li Li
- College of Resources and Environment, Shanxi Agricultural University, Taigu 030801, PR China; Environmental Monitoring Center, Shanxi Agricultural University, Taigu 030801, PR China
| | - Tingliang Li
- College of Resources and Environment, Shanxi Agricultural University, Taigu 030801, PR China; Environmental Monitoring Center, Shanxi Agricultural University, Taigu 030801, PR China.
| | - Yang Liu
- Environmental Monitoring Center, Shanxi Agricultural University, Taigu 030801, PR China
| | - Lina Li
- College of Resources and Environment, Shanxi Agricultural University, Taigu 030801, PR China; Environmental Monitoring Center, Shanxi Agricultural University, Taigu 030801, PR China
| | - Xiaolei Huang
- College of Resources and Environment, Shanxi Agricultural University, Taigu 030801, PR China; Environmental Monitoring Center, Shanxi Agricultural University, Taigu 030801, PR China
| | - Junyu Xie
- College of Resources and Environment, Shanxi Agricultural University, Taigu 030801, PR China; Environmental Monitoring Center, Shanxi Agricultural University, Taigu 030801, PR China
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104
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Yang Y, Abuauf H, Song S, Wang JY, Alagoz Y, Moreno JC, Mi J, Ablazov A, Jamil M, Ali S, Zheng X, Balakrishna A, Blilou I, Al-Babili S. The Arabidopsis D27-LIKE1 is a cis/cis/trans-β-carotene isomerase that contributes to Strigolactone biosynthesis and negatively impacts ABA level. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 113:986-1003. [PMID: 36602437 DOI: 10.1111/tpj.16095] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 12/06/2022] [Accepted: 12/21/2022] [Indexed: 06/17/2023]
Abstract
The enzyme DWARF27 (D27) catalyzes the reversible isomerization of all-trans- into 9-cis-β-carotene, initiating strigolactone (SL) biosynthesis. Genomes of higher plants encode two D27-homologs, D27-like1 and -like2, with unknown functions. Here, we investigated the enzymatic activity and biological function of the Arabidopsis D27-like1. In vitro enzymatic assays and expression in Synechocystis sp. PCC6803 revealed an unreported 13-cis/15-cis/9-cis- and a 9-cis/all-trans-β-carotene isomerization. Although disruption of AtD27-like1 did not cause SL deficiency phenotypes, overexpression of AtD27-like1 in the d27 mutant restored the more-branching phenotype, indicating a contribution of AtD27-like1 to SL biosynthesis. Accordingly, generated d27 d27like1 double mutants showed a more pronounced branching phenotype compared to d27. The contribution of AtD27-like1 to SL biosynthesis is likely a result of its formation of 9-cis-β-carotene that was present at higher levels in AtD27-like1 overexpressing lines. By contrast, AtD27-like1 expression correlated negatively with the content of 9-cis-violaxanthin, a precursor of ABA, in shoots. Consistently, ABA levels were higher in shoots and also in dry seeds of the d27like1 and d27 d27like1 mutants. Transgenic lines expressing GUS driven by the AtD27LIKE1 promoter and transcript analysis of hormone-treated Arabidopsis seedlings revealed that AtD27LIKE1 is expressed in different tissues and affects ABA and auxin. Taken together, our work reports a cis/cis-β-carotene isomerase that affects the content of both cis-carotenoid-derived plant hormones, ABA and SLs.
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Affiliation(s)
- Yu Yang
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Jeddah, 23955, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Jeddah, 23955, Saudi Arabia
| | - Haneen Abuauf
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Jeddah, 23955, Saudi Arabia
- Department of Biology, Faculty of Applied Sciences, Umm Al-Qura University, 8XH2+XVP, Mecca, 24382, Saudi Arabia
| | - Shanshan Song
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Jeddah, 23955, Saudi Arabia
| | - Jian You Wang
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Jeddah, 23955, Saudi Arabia
| | - Yagiz Alagoz
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Jeddah, 23955, Saudi Arabia
| | - Juan C Moreno
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Jeddah, 23955, Saudi Arabia
| | - Jianing Mi
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Jeddah, 23955, Saudi Arabia
| | - Abdugaffor Ablazov
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Jeddah, 23955, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Jeddah, 23955, Saudi Arabia
| | - Muhammad Jamil
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Jeddah, 23955, Saudi Arabia
| | - Shawkat Ali
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Jeddah, 23955, Saudi Arabia
- Agriculture and Agri-Food Canada, Kentville Research and Development Centre, 32 Main Street, Kentville, NS, B4N 1J5, Canada
| | - Xiongjie Zheng
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Jeddah, 23955, Saudi Arabia
| | - Aparna Balakrishna
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Jeddah, 23955, Saudi Arabia
| | - Ikram Blilou
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Jeddah, 23955, Saudi Arabia
- The Laboratory of Plant Cell and Developmental Biology, King Abdullah University of Science and Technology, Thuwal, Jeddah, 23955, Saudi Arabia
| | - Salim Al-Babili
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Jeddah, 23955, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Jeddah, 23955, Saudi Arabia
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105
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Xie Y, Liu X, Sun C, Song X, Li X, Cui H, Guo J, Liu L, Ying A, Zhang Z, Zhu X, Yan L, Zhang X. CsTRM5 regulates fruit shape via mediating cell division direction and cell expansion in cucumber. HORTICULTURE RESEARCH 2023; 10:uhad007. [PMID: 36960430 PMCID: PMC10028494 DOI: 10.1093/hr/uhad007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 01/18/2023] [Indexed: 06/18/2023]
Abstract
Fruit shape and size are important appearance and yield traits in cucumber, but the underlying genes and their regulatory mechanisms remain poorly understood. Here we identified a mutant with spherical fruits from an Ethyl Methane Sulfonate (EMS)-mutagenized library, named the qiu mutant. Compared with the cylindrical fruit shape in 32X (wild type), the fruit shape in qiu was round due to reduced fruit length and increased fruit diameter. MutMap analysis narrowed the candidate gene in the 6.47 MB range on Chr2, harboring the FS2.1 locus reported previously. A single-nucleotide polymorphism (SNP) (11359603) causing a truncated protein of CsaV3_2G013800, the homolog of tomato fruit shape gene SlTRM5, may underlie the fruit shape variation in the qiu mutant. Knockout of CsTRM5 by the CRISPR-Cas9 system confirmed that CsaV3_2G013800/CsTRM5 was the causal gene responsible for qiu. Sectioning analysis showed that the spherical fruit in qiu resulted mainly from increased and reduced cell division along the transverse and longitudinal directions, respectively. Meanwhile, the repressed cell expansion contributed to the decreased fruit length in qiu. Transcriptome profiling showed that the expression levels of cell-wall-related genes and abscisic acid (ABA) pathway genes were significantly upregulated in qiu. Hormone measurements indicated that ABA content was greatly increased in the qiu mutant. Exogenous ABA application reduced fruit elongation by inhibiting cell expansion in cucumber. Taken together, these data suggest that CsTRM5 regulates fruit shape by affecting cell division direction and cell expansion, and that ABA participates in the CsTRM5-mediated cell expansion during fruit elongation in cucumber.
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Affiliation(s)
| | | | | | - Xiaofei Song
- Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization, College of Horticulture Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China
| | - Xiaoli Li
- Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization, College of Horticulture Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China
| | - Haonan Cui
- Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization, College of Horticulture Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China
| | - Jingyu Guo
- State Key Laboratories of Agrobiotechnology, Joint International Research Laboratory of Crop Molecular Breeding, Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Liu Liu
- State Key Laboratories of Agrobiotechnology, Joint International Research Laboratory of Crop Molecular Breeding, Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Ao Ying
- State Key Laboratories of Agrobiotechnology, Joint International Research Laboratory of Crop Molecular Breeding, Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Zeqin Zhang
- State Key Laboratories of Agrobiotechnology, Joint International Research Laboratory of Crop Molecular Breeding, Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Xueyun Zhu
- Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization, College of Horticulture Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China
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106
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Zhao Y, Wang J, Huang W, Zhang D, Wu J, Li B, Li M, Liu L, Yan M. Abscisic-Acid-Regulated Responses to Alleviate Cadmium Toxicity in Plants. PLANTS (BASEL, SWITZERLAND) 2023; 12:1023. [PMID: 36903884 PMCID: PMC10005406 DOI: 10.3390/plants12051023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/12/2023] [Accepted: 02/20/2023] [Indexed: 06/18/2023]
Abstract
High levels of cadmium (Cd) in soil can cause crop yield reduction or death. Cadmium accumulation in crops affects human and animal health as it passes through the food chain. Therefore, a strategy is needed to enhance the tolerance of crops to this heavy metal or reduce its accumulation in crops. Abscisic acid (ABA) plays an active role in plants' response to abiotic stress. The application of exogenous ABA can reduce Cd accumulation in shoots of some plants and enhance the tolerance of plants to Cd; therefore, ABA may have good application prospects. In this paper, we reviewed the synthesis and decomposition of ABA, ABA-mediated signal transduction, and ABA-mediated regulation of Cd-responsive genes in plants. We also introduced physiological mechanism underlying Cd tolerance because of ABA. Specifically, ABA affects metal ion uptake and transport by influencing transpiration and antioxidant systems, as well as by affecting the expression of metal transporter and metal chelator protein genes. This study may provide a reference for further research on the physiological mechanism of heavy metal tolerance in plants.
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Affiliation(s)
- Yuquan Zhao
- School of Life and Health Sciences, Hunan University of Science and Technology, Xiangtan 411201, China
- Crop Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Jiaqi Wang
- School of Life and Health Sciences, Hunan University of Science and Technology, Xiangtan 411201, China
- Hunan Key Laboratory of Economic Crops Genetic Improvement and Integrated Utilization, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Wei Huang
- Crop Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
- Hunan Engineering and Technology Research Center of Hybrid Rapeseed, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Dawei Zhang
- School of Life and Health Sciences, Hunan University of Science and Technology, Xiangtan 411201, China
- Hunan Key Laboratory of Economic Crops Genetic Improvement and Integrated Utilization, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Jinfeng Wu
- School of Life and Health Sciences, Hunan University of Science and Technology, Xiangtan 411201, China
- Hunan Key Laboratory of Economic Crops Genetic Improvement and Integrated Utilization, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Bao Li
- Crop Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
- Hunan Engineering and Technology Research Center of Hybrid Rapeseed, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Mei Li
- Crop Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
- Hunan Engineering and Technology Research Center of Hybrid Rapeseed, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Lili Liu
- School of Life and Health Sciences, Hunan University of Science and Technology, Xiangtan 411201, China
- Hunan Key Laboratory of Economic Crops Genetic Improvement and Integrated Utilization, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Mingli Yan
- Crop Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
- Hunan Key Laboratory of Economic Crops Genetic Improvement and Integrated Utilization, Hunan University of Science and Technology, Xiangtan 411201, China
- Hunan Engineering and Technology Research Center of Hybrid Rapeseed, Hunan Academy of Agricultural Sciences, Changsha 410125, China
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107
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Xu W, Sato H, Bente H, Santos-González J, Köhler C. Endosperm cellularization failure induces a dehydration-stress response leading to embryo arrest. THE PLANT CELL 2023; 35:874-888. [PMID: 36427255 PMCID: PMC9940880 DOI: 10.1093/plcell/koac337] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 11/22/2022] [Indexed: 06/16/2023]
Abstract
The endosperm is a nutritive tissue supporting embryo growth in flowering plants. Most commonly, the endosperm initially develops as a coenocyte (multinucleate cell) and then cellularizes. This process of cellularization is frequently disrupted in hybrid seeds generated by crosses between different flowering plant species or plants that differ in ploidy, resulting in embryo arrest and seed lethality. The reason for embryo arrest upon cellularization failure remains unclear. In this study, we show that triploid Arabidopsis thaliana embryos surrounded by uncellularized endosperm mount an osmotic stress response that is connected to increased levels of abscisic acid (ABA) and enhanced ABA responses. Impairing ABA biosynthesis and signaling aggravated triploid seed abortion, while increasing endogenous ABA levels as well as the exogenous application of ABA-induced endosperm cellularization and suppressed embryo growth arrest. Taking these results together, we propose that endosperm cellularization is required to establish dehydration tolerance in the developing embryo, ensuring its survival during seed maturation.
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Affiliation(s)
- Wenjia Xu
- Swedish University of Agricultural Sciences & Linnean Center for Plant Biology, Uppsala BioCenter, Almas Allé 5, SE-750 07 Uppsala, Sweden
| | - Hikaru Sato
- Swedish University of Agricultural Sciences & Linnean Center for Plant Biology, Uppsala BioCenter, Almas Allé 5, SE-750 07 Uppsala, Sweden
| | - Heinrich Bente
- Swedish University of Agricultural Sciences & Linnean Center for Plant Biology, Uppsala BioCenter, Almas Allé 5, SE-750 07 Uppsala, Sweden
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476 Potsdam-Golm, Germany
| | - Juan Santos-González
- Swedish University of Agricultural Sciences & Linnean Center for Plant Biology, Uppsala BioCenter, Almas Allé 5, SE-750 07 Uppsala, Sweden
| | - Claudia Köhler
- Swedish University of Agricultural Sciences & Linnean Center for Plant Biology, Uppsala BioCenter, Almas Allé 5, SE-750 07 Uppsala, Sweden
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476 Potsdam-Golm, Germany
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108
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Liao P, Wu QY, Li S, Hu KB, Liu HL, Wang HY, Long ZY, Lu XM, Wang YT. The ameliorative effects and mechanisms of abscisic acid on learning and memory. Neuropharmacology 2023; 224:109365. [PMID: 36462635 DOI: 10.1016/j.neuropharm.2022.109365] [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: 09/02/2022] [Revised: 11/28/2022] [Accepted: 11/29/2022] [Indexed: 12/03/2022]
Abstract
Abscisic acid (ABA), a conserved hormone existing in plants and animals, not only regulates blood glucose and inflammation but also has good therapeutic effects on obesity, diabetes, atherosclerosis and inflammatory diseases in animals. Studies have shown that exogenous ABA can pass the blood-brain barrier and inhibit neuroinflammation, promote neurogenesis, enhance synaptic plasticity, improve learning, memory and cognitive ability in the central nervous system. At the same time, ABA plays a crucial role in significant improvement of Alzheimer's disease, depression, and anxiety. Here we review the previous research progress of ABA on the physiological effects and clinical application in the related diseases. By summarizing the biological functions of ABA, we aim to reveal the possible mechanisms of ameliorative function of ABA on learning and memory, to provide a theoretical basis that ABA as a novel and safe drug improves learning memory and cognitive impairment in central system diseases such as aging, neurodegenerative diseases and traumatic brain injury.
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Affiliation(s)
- Ping Liao
- College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing, 400054, China; State Key Laboratory of Trauma, Burns and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, China
| | - Qing-Yun Wu
- College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing, 400054, China
| | - Sen Li
- State Key Laboratory of Trauma, Burns and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, China
| | - Kai-Bin Hu
- College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing, 400054, China
| | - Hui-Lin Liu
- College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing, 400054, China
| | - Hai-Yan Wang
- State Key Laboratory of Trauma, Burns and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, China
| | - Zai-Yun Long
- State Key Laboratory of Trauma, Burns and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, China
| | - Xiu-Min Lu
- College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing, 400054, China.
| | - Yong-Tang Wang
- State Key Laboratory of Trauma, Burns and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, China.
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109
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Shohat H, Cheriker H, Cohen A, Weiss D. Tomato ABA-IMPORTING TRANSPORTER 1.1 inhibits seed germination under high salinity conditions. PLANT PHYSIOLOGY 2023; 191:1404-1415. [PMID: 36449559 PMCID: PMC9922386 DOI: 10.1093/plphys/kiac545] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/04/2022] [Accepted: 11/29/2022] [Indexed: 05/27/2023]
Abstract
The plant hormone abscisic acid (ABA) plays a central role in the regulation of seed maturation and dormancy. ABA also restrains germination under abiotic-stress conditions. Here, we show in tomato (Solanum lycopersicum) that the ABA importer ABA-IMPORTING TRANSPORTER 1.1 (AIT1.1/NPF4.6) has a role in radicle emergence under salinity conditions. AIT1.1 expression was upregulated following seed imbibition, and CRISPR/Cas9-derived ait1.1 mutants exhibited faster radicle emergence, increased germination and partial resistance to ABA. AIT1.1 was highly expressed in the endosperm, but not in the embryo, and ait1.1 isolated embryos did not show resistance to ABA. On the other hand, loss of AIT1.1 activity promoted the expression of endosperm-weakening-related genes, and seed-coat scarification eliminated the promoting effect of ait1.1 on radicle emergence. Therefore, we propose that imbibition-induced AIT1.1 expression in the micropylar endosperm mediates ABA-uptake into micropylar cells to restrain endosperm weakening. While salinity conditions strongly inhibited wild-type M82 seed germination, high salinity had a much weaker effect on ait1.1 germination. We suggest that AIT1.1 evolved to inhibit germination under unfavorable conditions, such as salinity. Unlike other ABA mutants, ait1.1 exhibited normal seed longevity, and therefore, the ait1.1 allele may be exploited to improve seed germination in crops.
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Affiliation(s)
- Hagai Shohat
- Institute of Plant Sciences and Genetics in Agriculture, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot 76100, Israel
| | - Hadar Cheriker
- Institute of Plant Sciences and Genetics in Agriculture, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot 76100, Israel
| | - Amir Cohen
- Institute of Plant Sciences and Genetics in Agriculture, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot 76100, Israel
| | - David Weiss
- Institute of Plant Sciences and Genetics in Agriculture, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot 76100, Israel
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Fei R, Guan S, Duan S, Ge J, Sun T, Sun X. Elucidating Biological Functions of 9- cis-Epoxycarotenoid Dioxygenase Genes Involved in Seed Dormancy in Paeonia lactiflora. PLANTS (BASEL, SWITZERLAND) 2023; 12:710. [PMID: 36840058 PMCID: PMC9967950 DOI: 10.3390/plants12040710] [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: 12/20/2022] [Revised: 01/19/2023] [Accepted: 02/02/2023] [Indexed: 06/18/2023]
Abstract
Abscisic acid (ABA) is a major phytohormone affecting seed dormancy and germination in plants. ABA is synthesized mainly through the C40 carotenoid pathway. In the ABA biosynthesis pathway, 9-cis-epoxycarotenoid dioxygenase (NCED) is a key rate-limiting enzyme that regulates the accumulation and content of ABA. However, the role of the NCED gene in perennial plants with complex seed dormancy remains largely unknown. Here, we cloned two differentially expressed paralogs of herbaceous peony NCED genes, named PlNCED1 and PlNCED2, and further identified their involvement in seed dormancy from perennial herbaceous peony experiencing complex double seed dormancy. The deduced PlNCED amino acid sequences had high sequence homology with NCED sequences from other plants and contained the typical conserved RPE65 domain of the NCED family. Phylogenetic analysis showed that PlNCED1 and PlNCED2 have a close relationship with PoNCED in Paeonia ostii and VvNCED6 in Vitis vinifera, respectively. A subcellular localization assay demonstrated that the PlNCED1 protein resided within the nucleus, while the PlNCED2 protein was located in the cytoplasm, indicating their different roles in the biosynthesis of ABA. Furthermore, the content of endogenous ABA in transgenic calluses showed that PlNCEDs were positively correlated with ABA content. Both PlNCED transgenic Arabidopsis lines and the functional complementation of Arabidopsis NCED mutants found that PlNCEDs promoted seed dormancy and delayed seed germination. These results reveal that PlNCEDs participate in the seed dormancy of herbaceous peony by regulating the accumulation of endogenous ABA.
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Affiliation(s)
- Riwen Fei
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China
- Key Laboratory of Forest Tree Genetics Breeding and Cultivation of Liaoning Province, College of Forestry, Shenyang Agricultural University, Shenyang 110866, China
| | - Shixin Guan
- Key Laboratory of Forest Tree Genetics Breeding and Cultivation of Liaoning Province, College of Forestry, Shenyang Agricultural University, Shenyang 110866, China
- College of Forestry, Shenyang Agricultural University, Shenyang 110866, China
| | - Siyang Duan
- Key Laboratory of Forest Tree Genetics Breeding and Cultivation of Liaoning Province, College of Forestry, Shenyang Agricultural University, Shenyang 110866, China
- College of Forestry, Shenyang Agricultural University, Shenyang 110866, China
| | - Jiayuan Ge
- Key Laboratory of Forest Tree Genetics Breeding and Cultivation of Liaoning Province, College of Forestry, Shenyang Agricultural University, Shenyang 110866, China
- College of Forestry, Shenyang Agricultural University, Shenyang 110866, China
| | - Tianyi Sun
- Key Laboratory of Forest Tree Genetics Breeding and Cultivation of Liaoning Province, College of Forestry, Shenyang Agricultural University, Shenyang 110866, China
- College of Forestry, Shenyang Agricultural University, Shenyang 110866, China
| | - Xiaomei Sun
- Key Laboratory of Forest Tree Genetics Breeding and Cultivation of Liaoning Province, College of Forestry, Shenyang Agricultural University, Shenyang 110866, China
- College of Forestry, Shenyang Agricultural University, Shenyang 110866, China
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Ortiz-García P, González Ortega-Villaizán A, Onejeme FC, Müller M, Pollmann S. Do Opposites Attract? Auxin-Abscisic Acid Crosstalk: New Perspectives. Int J Mol Sci 2023; 24:ijms24043090. [PMID: 36834499 PMCID: PMC9960826 DOI: 10.3390/ijms24043090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/20/2023] [Accepted: 02/02/2023] [Indexed: 02/08/2023] Open
Abstract
Plants are constantly exposed to a variety of different environmental stresses, including drought, salinity, and elevated temperatures. These stress cues are assumed to intensify in the future driven by the global climate change scenario which we are currently experiencing. These stressors have largely detrimental effects on plant growth and development and, therefore, put global food security in jeopardy. For this reason, it is necessary to expand our understanding of the underlying mechanisms by which plants respond to abiotic stresses. Especially boosting our insight into the ways by which plants balance their growth and their defense programs appear to be of paramount importance, as this may lead to novel perspectives that can pave the way to increase agricultural productivity in a sustainable manner. In this review, our aim was to present a detailed overview of different facets of the crosstalk between the antagonistic plant hormones abscisic acid (ABA) and auxin, two phytohormones that are the main drivers of plant stress responses, on the one hand, and plant growth, on the other.
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Affiliation(s)
- Paloma Ortiz-García
- Centro de Biotecnología y Genómica de Plantas, Instituto Nacional de Investigación y Tecnología Agraria y Alimentación (INIA/CSIC), Universidad Politécnica de Madrid (UPM), Campus de Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
| | - Adrián González Ortega-Villaizán
- Centro de Biotecnología y Genómica de Plantas, Instituto Nacional de Investigación y Tecnología Agraria y Alimentación (INIA/CSIC), Universidad Politécnica de Madrid (UPM), Campus de Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
| | - Francis Chukwuma Onejeme
- Centro de Biotecnología y Genómica de Plantas, Instituto Nacional de Investigación y Tecnología Agraria y Alimentación (INIA/CSIC), Universidad Politécnica de Madrid (UPM), Campus de Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
| | - Maren Müller
- Department of Evolutionary Biology, Ecology and Environmental Sciences, Faculty of Biology, University of Barcelona, 08028 Barcelona, Spain
- Correspondence: (M.M.); (S.P.); Tel.: +34-934033718 (M.M.); +34-910679183 (S.P.)
| | - Stephan Pollmann
- Centro de Biotecnología y Genómica de Plantas, Instituto Nacional de Investigación y Tecnología Agraria y Alimentación (INIA/CSIC), Universidad Politécnica de Madrid (UPM), Campus de Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Universidad Politécnica de Madrid (UPM), 28040 Madrid, Spain
- Correspondence: (M.M.); (S.P.); Tel.: +34-934033718 (M.M.); +34-910679183 (S.P.)
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112
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Götz KP, Chmielewski FM. Metabolites That Confirm Induction and Release of Dormancy Phases in Sweet Cherry Buds. Metabolites 2023; 13:metabo13020231. [PMID: 36837849 PMCID: PMC9961560 DOI: 10.3390/metabo13020231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 01/18/2023] [Accepted: 01/25/2023] [Indexed: 02/09/2023] Open
Abstract
Here we report on metabolites found in a targeted profiling of 'Summit' flower buds for nine years, which could be indicators for the timing of endodormancy release (t1) and beginning of ontogenetic development (t1*). Investigated metabolites included chrysin, arabonic acid, pentose acid, sucrose, abscisic acid (ABA), and abscisic acid glucose ester (ABA-GE). Chrysin and water content showed an almost parallel course between leaf fall and t1*. After 'swollen bud', water content raised from ~60 to ~80% at open cluster, while chrysin content decreased and lost its function as an acetylcholinesterase inhibitor. Both parameters can be suitable indicators for t1*. Arabonic acid showed a clear increase after t1*. Pentose acid would be a suitable metabolite to identify t1 and t1*, but would not allow describing the ecodormancy phase, because of its continuously low value during this time. Sucrose reached a maximum during ecodormancy and showed a significant correlation with air temperature, which confirms its cryoprotective role in this phase. The ABA content showed maximum values during endodormancy and decreased during ecodormancy, reaching 50% of its content t1 at t1*. It appears to be the key metabolite to define the ecodormancy phase. The ABA-GE was present at all stages and phases and was much higher than the ABA content and is a readily available storage pool in cherry buds.
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Wang T, Sun Z, Wang S, Feng S, Wang R, Zhu C, Zhong L, Cheng Y, Bao M, Zhang F. DcWRKY33 promotes petal senescence in carnation (Dianthus caryophyllus L.) by activating genes involved in the biosynthesis of ethylene and abscisic acid and accumulation of reactive oxygen species. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 113:698-715. [PMID: 36564995 DOI: 10.1111/tpj.16075] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
Carnation (Dianthus caryophyllus L.) is one of the most famous and ethylene-sensitive cut flowers worldwide, but how ethylene interacts with other plant hormones and factors to regulate petal senescence in carnation is largely unknown. Here we found that a gene encoding WRKY family transcription factor, DcWRKY33, was significantly upregulated upon ethylene treatment. Silencing and overexpression of DcWRKY33 could delay and accelerate the senescence of carnation petals, respectively. Abscisic acid (ABA) and H2 O2 treatments could also accelerate the senescence of carnation petals by inducing the expression of DcWRKY33. Further, DcWRKY33 can bind directly to the promoters of ethylene biosynthesis genes (DcACS1 and DcACO1), ABA biosynthesis genes (DcNCED2 and DcNCED5), and the reactive oxygen species (ROS) generation gene DcRBOHB to activate their expression. Lastly, relationships are existed between ethylene, ABA and ROS. This study elucidated that DcWRKY33 promotes petal senescence by activating genes involved in the biosynthesis of ethylene and ABA and accumulation of ROS in carnation, supporting the development of new strategies to prolong the vase life of cut carnation.
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Affiliation(s)
- Teng Wang
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- National R&D Center for Citrus Postharvest Technology, Huazhong Agricultural University, Wuhan, China
| | - Zheng Sun
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- National R&D Center for Citrus Postharvest Technology, Huazhong Agricultural University, Wuhan, China
| | - Siqi Wang
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- National R&D Center for Citrus Postharvest Technology, Huazhong Agricultural University, Wuhan, China
| | - Shan Feng
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- National R&D Center for Citrus Postharvest Technology, Huazhong Agricultural University, Wuhan, China
| | - Ruiming Wang
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- National R&D Center for Citrus Postharvest Technology, Huazhong Agricultural University, Wuhan, China
| | - Chunlin Zhu
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- National R&D Center for Citrus Postharvest Technology, Huazhong Agricultural University, Wuhan, China
| | - Linlin Zhong
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan, China
- National R&D Center for Citrus Postharvest Technology, Huazhong Agricultural University, Wuhan, China
| | - Yunjiang Cheng
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- National R&D Center for Citrus Postharvest Technology, Huazhong Agricultural University, Wuhan, China
| | - Manzhu Bao
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan, China
- The Institute of Flowers Research, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Huazhong Urban Agriculture, Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, Wuhan, China
| | - Fan Zhang
- National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- National R&D Center for Citrus Postharvest Technology, Huazhong Agricultural University, Wuhan, China
- The Institute of Flowers Research, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Huazhong Urban Agriculture, Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, Wuhan, China
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Subodh, Ravina, Priyanka, Narang J, Mohan H. Biosensors for phytohormone Abscisic acid and its role in humans: A review. SENSORS INTERNATIONAL 2023. [DOI: 10.1016/j.sintl.2023.100234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/24/2023] Open
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115
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Bwalya J, Kim KH. The Crucial Role of Chloroplast-Related Proteins in Viral Genome Replication and Host Defense against Positive-Sense Single-Stranded RNA Viruses. THE PLANT PATHOLOGY JOURNAL 2023; 39:28-38. [PMID: 36760047 PMCID: PMC9929168 DOI: 10.5423/ppj.rw.10.2022.0139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 12/19/2022] [Accepted: 12/22/2022] [Indexed: 06/18/2023]
Abstract
Plant viruses are responsible for worldwide production losses of numerous economically important crops. The most common plant RNA viruses are positivesense single-stranded RNA viruses [(+)ss RNA viruses]. These viruses have small genomes that encode a limited number of proteins. The viruses depend on their host's machinery for the replication of their RNA genome, assembly, movement, and attraction to the vectors for dispersal. Recently researchers have reported that chloroplast proteins are crucial for replicating (+)ss plant RNA viruses. Some chloroplast proteins, including translation initiation factor [eIF(iso)4E] and 75 DEAD-box RNA helicase RH8, help viruses fulfill their infection cycle in plants. In contrast, other chloroplast proteins such as PAP2.1, PSaC, and ATPsyn-α play active roles in plant defense against viruses. This is also consistent with the idea that reactive oxygen species, salicylic acid, jasmonic acid, and abscisic acid are produced in chloroplast. However, knowledge of molecular mechanisms and functions underlying these chloroplast host factors during the virus infection is still scarce and remains largely unknown. Our review briefly summarizes the latest knowledge regarding the possible role of chloroplast in plant virus replication, emphasizing chloroplast-related proteins. We have highlighted current advances regarding chloroplast-related proteins' role in replicating plant (+)ss RNA viruses.
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Affiliation(s)
- John Bwalya
- Department of Agriculture Biotechnology, College of Agriculture and Life Sciences, Seoul National University, Seoul 08826,
Korea
| | - Kook-Hyung Kim
- Department of Agriculture Biotechnology, College of Agriculture and Life Sciences, Seoul National University, Seoul 08826,
Korea
- Plant Genomics and Breeding Institute, Seoul National University, Seoul 08826,
Korea
- Research of Institute Agriculture and Life Sciences, Seoul National University, Seoul 08826,
Korea
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116
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Hirayama T, Mochida K. Plant Hormonomics: A Key Tool for Deep Physiological Phenotyping to Improve Crop Productivity. PLANT & CELL PHYSIOLOGY 2023; 63:1826-1839. [PMID: 35583356 PMCID: PMC9885943 DOI: 10.1093/pcp/pcac067] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 04/07/2022] [Accepted: 05/18/2022] [Indexed: 06/15/2023]
Abstract
Agriculture is particularly vulnerable to climate change. To cope with the risks posed by climate-related stressors to agricultural production, global population growth, and changes in food preferences, it is imperative to develop new climate-smart crop varieties with increased yield and environmental resilience. Molecular genetics and genomic analyses have revealed that allelic variations in genes involved in phytohormone-mediated growth regulation have greatly improved productivity in major crops. Plant science has remarkably advanced our understanding of the molecular basis of various phytohormone-mediated events in plant life. These findings provide essential information for improving the productivity of crops growing in changing climates. In this review, we highlight the recent advances in plant hormonomics (multiple phytohormone profiling) and discuss its application to crop improvement. We present plant hormonomics as a key tool for deep physiological phenotyping, focusing on representative plant growth regulators associated with the improvement of crop productivity. Specifically, we review advanced methodologies in plant hormonomics, highlighting mass spectrometry- and nanosensor-based plant hormone profiling techniques. We also discuss the applications of plant hormonomics in crop improvement through breeding and agricultural management practices.
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Affiliation(s)
- Takashi Hirayama
- Institute of Plant Science and Resources, Okayama University, 2-20-1 Chuo, Kurashiki, Okayama, 710-0046 Japan
| | - Keiichi Mochida
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehirocho, Tsurumiku, Yokohama, Kanagawa, 230-0045 Japan
- Kihara Institute for Biological Research, Yokohama City University, 641-12 Maiokacho, Totsukaku, Yokohama, Kanagawa, 244-0813 Japan
- School of Information and Data Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521 Japan
- RIKEN Baton Zone Program, RIKEN Cluster for Science, Technology and Innovation Hub, 1-7-22 Suehirocho, Tsurumiku, Yokohama, Kanagawa 230-0045 Japan
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Chen D, Shu D, Wei Z, Luo D, Yang J, Li Z, Tan H. Combined transcriptome and proteome analysis of Bcfrp1 involved in regulating the biosynthesis of abscisic acid and growth in Botrytis cinerea TB-31. Front Microbiol 2023; 13:1085000. [PMID: 36777027 PMCID: PMC9909433 DOI: 10.3389/fmicb.2022.1085000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 12/23/2022] [Indexed: 01/27/2023] Open
Abstract
Introduction Abscisic acid (ABA) is an important sesquiterpene compound that regulates the stress resistance of plants. Botrytis cinerea can synthesize ABA via the mevalonic acid pathway. To identify the functional genes that are involved in the biosynthesis of ABA, we performed insertion mutagenesis into B. cinerea TB-31. Methods We obtained the ABA-reduced mutant E154 by insertion mutagenesis, and we identified the insertion site was located upstream of the gene bcfrp1 by Thermal asymmetric interlaced PCR. We performed a detailed phenotypic characterization of the bcfrp1 knockout and complementation mutants in TB-31. Furthermore, transcriptome and proteome analyses were conducted to explore how bcfrp1 affects the level of the ABA biosynthesis. Results The bcfrp1 gene encodes an F-box protein. The phenotypic results confirmed the positive contribution of bcfrp1 to the biosynthesis of ABA and growth. Between TB-31 and ΔBcfrp1, we obtained 4,128 and 1,073 differentially expressed genes and proteins, respectively. The impaired ABA biosynthesis in the ΔBcfrp1 mutants was primarily affected by the different levels of expression of the ABA biosynthetic gene cluster and the genes involved in the mevalonic acid pathway. In addition, we further characterized the differentially expressed genes and proteins that participated in the growth, secondary metabolism, and signal transduction in B. cinerea based on the transcriptome and proteome data. Discussion This research based on the transcriptome and proteome analyses to display the changes after the deletion of bcfrp1 in B. cinerea TB-31, will help us to explore the molecular mechanism of ABA biosynthesis in B. cinerea.
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Affiliation(s)
- Dongbo Chen
- CAS Key Laboratory of Environmental and Applied Microbiology, Environmental Microbiology Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China,Chengdu Institute of Biology, China Academy of Sciences (CAS), University of the Chinese Academy of Sciences, Chengdu, China
| | - Dan Shu
- CAS Key Laboratory of Environmental and Applied Microbiology, Environmental Microbiology Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China,*Correspondence: Dan Shu, ✉
| | - Zhao Wei
- CAS Key Laboratory of Environmental and Applied Microbiology, Environmental Microbiology Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China,Chengdu Institute of Biology, China Academy of Sciences (CAS), University of the Chinese Academy of Sciences, Chengdu, China
| | - Di Luo
- CAS Key Laboratory of Environmental and Applied Microbiology, Environmental Microbiology Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
| | - Jie Yang
- CAS Key Laboratory of Environmental and Applied Microbiology, Environmental Microbiology Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
| | - Zhemin Li
- CAS Key Laboratory of Environmental and Applied Microbiology, Environmental Microbiology Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
| | - Hong Tan
- CAS Key Laboratory of Environmental and Applied Microbiology, Environmental Microbiology Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China,Hong Tan, ✉
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da Silva Ripardo-Filho H, Coca Ruíz V, Suárez I, Moraga J, Aleu J, Collado IG. From Genes to Molecules, Secondary Metabolism in Botrytis cinerea: New Insights into Anamorphic and Teleomorphic Stages. PLANTS (BASEL, SWITZERLAND) 2023; 12:553. [PMID: 36771642 PMCID: PMC9920419 DOI: 10.3390/plants12030553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/22/2022] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
The ascomycete Botrytis cinerea Pers. Fr., classified within the family Sclerotiniaceae, is the agent that causes grey mould disease which infects at least 1400 plant species, including crops of economic importance such as grapes and strawberries. The life cycle of B. cinerea consists of two phases: asexual (anamorph, Botrytis cinerea Pers. Fr.) and sexual (teleomorph, Botryotinia fuckeliana (de Bary) Wetzel). During the XVI International Symposium dedicated to the Botrytis fungus, which was held in Bari in June 2013, the scientific community unanimously decided to assign the most widely used name of the asexual form, Botrytis, to this genus of fungi. However, in the literature, we continue to find articles referring to both morphic stages. In this review, we take stock of the genes and metabolites reported for both morphic forms of B. cinerea between January 2015 and October 2022.
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Affiliation(s)
| | - Víctor Coca Ruíz
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain
- Instituto de Investigación en Biomoléculas (INBIO), Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain
| | - Ivonne Suárez
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain
- Departamento de Biomedicina, Biotecnología y Salud Pública, Laboratorio de Microbiología, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain
- Instituto de Investigación en Biomoléculas (INBIO), Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain
| | - Javier Moraga
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain
- Departamento de Biomedicina, Biotecnología y Salud Pública, Laboratorio de Microbiología, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain
- Instituto de Investigación en Biomoléculas (INBIO), Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain
| | - Josefina Aleu
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain
- Instituto de Investigación en Biomoléculas (INBIO), Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain
| | - Isidro G. Collado
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain
- Instituto de Investigación en Biomoléculas (INBIO), Universidad de Cádiz, Puerto Real, 11510 Cádiz, Spain
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Roeder J, Liu J, Doch I, Ruschhaupt M, Christmann A, Grill E, Helmke H, Hohmann S, Lehr S, Frackenpohl J, Yang Z. Abscisic acid agonists suitable for optimizing plant water use. FRONTIERS IN PLANT SCIENCE 2023; 13:1071710. [PMID: 36743550 PMCID: PMC9894685 DOI: 10.3389/fpls.2022.1071710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 12/28/2022] [Indexed: 06/18/2023]
Abstract
Climate change and overexploitation of groundwater resources cause constraints on water demand for agriculture, thus threatening crop productivity. For future food security, there is an urgent need for crops of high water use efficiency combined with high crop productivity, i.e. having high water productivity. High water productivity means efficient biomass accumulation at reduced transpiration. Recent studies show that plants are able to optimize carbon uptake per water transpired with little or no trade-off in yield. The phytohormone abscisic acid (ABA) plays a pivotal role in minimizing leaf transpiration and mediating enhanced water productivity. Hence, ABA and more chemically stable ABA agonists have the potential to improve crop water productivity. Synthesis, screening, and identification of suitable ABA agonists are major efforts currently undertaken. In this study, we used yeast expressing the plant ABA signal pathway to prescreen ABA-related cyano cyclopropyl compounds (CCPs). The yeast analysis allowed testing the ABA agonists for general toxicity, efficient uptake, and specificity in regulating different ABA receptor complexes. Subsequently, promising ABA-mimics were analyzed in vitro for ligand-receptor interaction complemented by physiological analyses. Several CCPs activated ABA signaling in yeast and plant cells. CCP1, CCP2, and CCP5 were by an order of magnitude more efficient than ABA in minimizing transpiration of Arabidopsis plants. In a progressive drought experiment, CCP2 mediated an increase in water use efficiency superior to ABA without trade-offs in biomass accumulation.
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Affiliation(s)
- Jan Roeder
- Department of Botany, Technical University of Munich, Freising, Germany
| | - Jinghui Liu
- Department of Botany, Technical University of Munich, Freising, Germany
| | - Isabel Doch
- Department of Botany, Technical University of Munich, Freising, Germany
| | - Moritz Ruschhaupt
- Department of Botany, Technical University of Munich, Freising, Germany
| | | | - Erwin Grill
- Department of Botany, Technical University of Munich, Freising, Germany
| | - Hendrik Helmke
- Research and Development, Weed Control Research, Division Crop Science, Bayer AG, Frankfurt am Main, Germany
| | - Sabine Hohmann
- Research and Development, Weed Control Research, Division Crop Science, Bayer AG, Frankfurt am Main, Germany
| | - Stefan Lehr
- Research and Development, Weed Control Research, Division Crop Science, Bayer AG, Frankfurt am Main, Germany
| | - Jens Frackenpohl
- Research and Development, Weed Control Research, Division Crop Science, Bayer AG, Frankfurt am Main, Germany
| | - Zhenyu Yang
- Department of Botany, Technical University of Munich, Freising, Germany
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120
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Jasmonic Acid-Induced β-Cyclocitral Confers Resistance to Bacterial Blight and Negatively Affects Abscisic Acid Biosynthesis in Rice. Int J Mol Sci 2023; 24:ijms24021704. [PMID: 36675223 PMCID: PMC9866013 DOI: 10.3390/ijms24021704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/10/2023] [Accepted: 01/12/2023] [Indexed: 01/18/2023] Open
Abstract
Jasmonic acid (JA) regulates the production of several plant volatiles that are involved in plant defense mechanisms. In this study, we report that the JA-responsive volatile apocarotenoid, β-cyclocitral (β-cyc), negatively affects abscisic acid (ABA) biosynthesis and induces a defense response against Xanthomonas oryzae pv. oryzae (Xoo), which causes bacterial blight in rice (Oryza sativa L.). JA-induced accumulation of β-cyc was regulated by OsJAZ8, a repressor of JA signaling in rice. Treatment with β-cyc induced resistance against Xoo and upregulated the expression of defense-related genes in rice. Conversely, the expression of ABA-responsive genes, including ABA-biosynthesis genes, was downregulated by JA and β-cyc treatment, resulting in a decrease in ABA levels in rice. β-cyc did not inhibit the ABA-dependent interactions between OsPYL/RCAR5 and OsPP2C49 in yeast cells. Furthermore, we revealed that JA-responsive rice carotenoid cleavage dioxygenase 4b (OsCCD4b) was localized in the chloroplast and produced β-cyc both in vitro and in planta. These results suggest that β-cyc plays an important role in the JA-mediated resistance against Xoo in rice.
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121
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Ablazov A, Votta C, Fiorilli V, Wang JY, Aljedaani F, Jamil M, Balakrishna A, Balestrini R, Liew KX, Rajan C, Berqdar L, Blilou I, Lanfranco L, Al-Babili S. ZAXINONE SYNTHASE 2 regulates growth and arbuscular mycorrhizal symbiosis in rice. PLANT PHYSIOLOGY 2023; 191:382-399. [PMID: 36222582 PMCID: PMC9806602 DOI: 10.1093/plphys/kiac472] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 09/09/2022] [Indexed: 05/24/2023]
Abstract
Carotenoid cleavage, catalyzed by CAROTENOID CLEAVAGE DIOXYGENASEs (CCDs), provides signaling molecules and precursors of plant hormones. Recently, we showed that zaxinone, a apocarotenoid metabolite formed by the CCD ZAXINONE SYNTHASE (ZAS), is a growth regulator required for normal rice (Oryza sativa) growth and development. The rice genome encodes three OsZAS homologs, called here OsZAS1b, OsZAS1c, and OsZAS2, with unknown functions. Here, we investigated the enzymatic activity, expression pattern, and subcellular localization of OsZAS2 and generated and characterized loss-of-function CRISPR/Cas9 (clustered regularly interspaced short palindromic repeats and associated protein 9)-Oszas2 mutants. We show that OsZAS2 formed zaxinone in vitro. OsZAS2 was predominantly localized in plastids and mainly expressed under phosphate starvation. Moreover, OsZAS2 expression increased during mycorrhization, specifically in arbuscule-containing cells. Oszas2 mutants contained lower zaxinone content in roots and exhibited reduced root and shoot biomass, fewer tillers, and higher strigolactone (SL) levels. Exogenous zaxinone application repressed SL biosynthesis and partially rescued the growth retardation of the Oszas2 mutant. Consistent with the OsZAS2 expression pattern, Oszas2 mutants displayed a lower frequency of arbuscular mycorrhizal colonization. In conclusion, OsZAS2 is a zaxinone-forming enzyme that, similar to the previously reported OsZAS, determines rice growth, architecture, and SL content, and is required for optimal mycorrhization.
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Affiliation(s)
| | | | - Valentina Fiorilli
- Department of Life Sciences and Systems Biology, University of Torino, Torino 10125, Italy
| | - Jian You Wang
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture (CDA), King Abdullah University of Science and Technology (KAUST), The BioActives Lab, Thuwal, 23955-15 6900, Saudi Arabia
| | - Fatimah Aljedaani
- The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Plant Cell and Developmental Biology, Biological and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Muhammad Jamil
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture (CDA), King Abdullah University of Science and Technology (KAUST), The BioActives Lab, Thuwal, 23955-15 6900, Saudi Arabia
| | - Aparna Balakrishna
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture (CDA), King Abdullah University of Science and Technology (KAUST), The BioActives Lab, Thuwal, 23955-15 6900, Saudi Arabia
| | - Raffaella Balestrini
- National Research Council, Institute for Sustainable Plant Protection, Turin 10135, Italy
| | - Kit Xi Liew
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture (CDA), King Abdullah University of Science and Technology (KAUST), The BioActives Lab, Thuwal, 23955-15 6900, Saudi Arabia
| | - Chakravarthy Rajan
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture (CDA), King Abdullah University of Science and Technology (KAUST), The BioActives Lab, Thuwal, 23955-15 6900, Saudi Arabia
| | - Lamis Berqdar
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture (CDA), King Abdullah University of Science and Technology (KAUST), The BioActives Lab, Thuwal, 23955-15 6900, Saudi Arabia
| | - Ikram Blilou
- The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Plant Cell and Developmental Biology, Biological and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Luisa Lanfranco
- Department of Life Sciences and Systems Biology, University of Torino, Torino 10125, Italy
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122
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Yang T, Wu X, Wang W, Wu Y. Regulation of seed storage protein synthesis in monocot and dicot plants: A comparative review. MOLECULAR PLANT 2023; 16:145-167. [PMID: 36495013 DOI: 10.1016/j.molp.2022.12.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 11/27/2022] [Accepted: 12/07/2022] [Indexed: 06/17/2023]
Abstract
Seeds are a major source of nutrients for humans and animal livestock worldwide. With improved living standards, high nutritional quality has become one of the main targets for breeding. Storage protein content in seeds, which is highly variable depending on plant species, serves as a pivotal criterion of seed nutritional quality. In the last few decades, our understanding of the molecular genetics and regulatory mechanisms of storage protein synthesis has greatly advanced. Here, we systematically and comprehensively summarize breakthroughs on the conservation and divergence of storage protein synthesis in dicot and monocot plants. With regard to storage protein accumulation, we discuss evolutionary origins, developmental processes, characteristics of main storage protein fractions, regulatory networks, and genetic modifications. In addition, we discuss potential breeding strategies to improve storage protein accumulation and provide perspectives on some key unanswered problems that need to be addressed.
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Affiliation(s)
- Tao Yang
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Xingguo Wu
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200233, China
| | - Wenqin Wang
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200233, China
| | - Yongrui Wu
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China.
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123
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An S, Liu Y, Sang K, Wang T, Yu J, Zhou Y, Xia X. Brassinosteroid signaling positively regulates abscisic acid biosynthesis in response to chilling stress in tomato. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2023; 65:10-24. [PMID: 36053143 DOI: 10.1111/jipb.13356] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 09/01/2022] [Indexed: 06/15/2023]
Abstract
Brassinosteroids (BRs) and abscisic acid (ABA) are essential regulators of plant growth and stress tolerance. Although the antagonistic interaction of BRs and ABA is proposed to ensure the balance between growth and defense in model plants, the crosstalk between BRs and ABA in response to chilling in tomato (Solanum lycopersicum), a warm-climate horticultural crop, is unclear. Here, we determined that overexpression of the BR biosynthesis gene DWARF (DWF) or the key BR signaling gene BRASSINAZOLE-RESISTANT1 (BZR1) increases ABA levels in response to chilling stress via positively regulating the expression of the ABA biosynthesis gene 9-CIS-EPOXYCAROTENOID DIOXYGENASE1 (NCED1). BR-induced chilling tolerance was mostly dependent on ABA biosynthesis. Chilling stress or high BR levels decreased the abundance of BRASSINOSTEROID-INSENSITIVE2 (BIN2), a negative regulator of BR signaling. Moreover, we observed that chilling stress increases BR levels and results in the accumulation of BZR1. BIN2 negatively regulated both the accumulation of BZR1 protein and chilling tolerance by suppressing ABA biosynthesis. Our results demonstrate that BR signaling positively regulates chilling tolerance via ABA biosynthesis in tomato. The study has implications in production of warm-climate crops in horticulture.
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Affiliation(s)
- Shengmin An
- Department of Horticulture, Zhejiang University, Hangzhou, 310058, China
| | - Yue Liu
- Department of Horticulture, Zhejiang University, Hangzhou, 310058, China
| | - Kangqi Sang
- Department of Horticulture, Zhejiang University, Hangzhou, 310058, China
| | - Ting Wang
- Department of Horticulture, Zhejiang University, Hangzhou, 310058, China
| | - Jingquan Yu
- Department of Horticulture, Zhejiang University, Hangzhou, 310058, China
- Hainan Institute, Zhejiang University, Sanya, 572025, China
- Key Laboratory of Horticultural Plants Growth, Development and Quality Improvement, Agricultural Ministry of China, Hangzhou, 310058, China
| | - Yanhong Zhou
- Department of Horticulture, Zhejiang University, Hangzhou, 310058, China
- Hainan Institute, Zhejiang University, Sanya, 572025, China
| | - Xiaojian Xia
- Department of Horticulture, Zhejiang University, Hangzhou, 310058, China
- Hainan Institute, Zhejiang University, Sanya, 572025, China
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124
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Shimizu T, Kanno Y, Watanabe S, Seo M. Arabidopsis NPF5.1 regulates ABA homeostasis and seed germination by mediating ABA uptake into the seed coat. PLANT SIGNALING & BEHAVIOR 2022; 17:2095488. [PMID: 35848501 PMCID: PMC9298153 DOI: 10.1080/15592324.2022.2095488] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 06/09/2022] [Accepted: 06/09/2022] [Indexed: 06/15/2023]
Abstract
Abscisic acid (ABA) is a plant hormone that induces seed dormancy during seed development and inhibits seed germination after imbibition. Although ABA is synthesized in the seed coat (testa), endosperm, and embryo, the physiological roles of the hormone derived from each tissue are not fully understood. We found that the gene encoding an Arabidopsis ABA importer, NPF5.1, was expressed in the seed coat during seed development. Dry seeds of loss-of-function npf5.1 mutants contained significantly higher levels of dihydrophaseic acid (DPA), an inactive ABA metabolite, than the wild type. The npf5.1 mutant also had a slight increase in ABA content. An increase in DPA was prominent in the fraction containing the seed coat and endosperm. Seed germination of the npf5.1 mutant was similar to the wild type in the presence of ABA or the gibberellin biosynthesis inhibitor paclobutrazol. However, a mutation in NPF5.1 suppressed the paclobutrazol-resistant germination of npf4.6, a mutant impaired in an ABA importer expressed in the embryo. These results suggest that ABA uptake into the seed coat mediated by NPF5.1 is important for ABA homeostasis during seed development and for regulating seed germination.
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Affiliation(s)
- Takafumi Shimizu
- RIKEN Center for Sustainable Resource Science, Kanagawa, Japan
- Graduate school of Science and Technology, Nara Institute of Science and Technology, Nara, Japan
- Research Institute of Innovative Technology for the Earth (RITE), Kizugawa, Kyoto, Japan
| | - Yuri Kanno
- RIKEN Center for Sustainable Resource Science, Kanagawa, Japan
| | - Shunsuke Watanabe
- RIKEN Center for Sustainable Resource Science, Kanagawa, Japan
- IPSiM, University of Montpellier, CNRS, INRAE, Institut Agro, Montpellier, France
| | - Mitsunori Seo
- RIKEN Center for Sustainable Resource Science, Kanagawa, Japan
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125
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Ding F, Wang X, Li Z, Wang M. Jasmonate Positively Regulates Cold Tolerance by Promoting ABA Biosynthesis in Tomato. PLANTS (BASEL, SWITZERLAND) 2022; 12:60. [PMID: 36616188 PMCID: PMC9823970 DOI: 10.3390/plants12010060] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/13/2022] [Accepted: 12/13/2022] [Indexed: 06/17/2023]
Abstract
As a cold-sensitive species, tomato is frequently challenged by cold stress during vegetative and reproductive growth. Understanding how tomato responds to cold stress is of critical importance for sustainable tomato production. In this work, we demonstrate that jasmonate (JA) plays a crucial role in tomato response to cold stress by promoting abscisic acid (ABA) biosynthesis. It was observed that both JA and ABA levels were substantially increased under cold conditions, whereas the suppression of JA biosynthesis abated ABA accumulation. The ABA biosynthesis gene 9-CIS-EPOXYCAROTENOID DIOXYGENASE2 (NCED2) was subsequently found to be associated with JA-mediated ABA biosynthesis in tomato plants in response to cold stress. NCED2 was rapidly induced by exogenous MeJA and cold treatment. Silencing NCED2 led to a decrease in ABA accumulation that was concurrent with increased cold sensitivity. Moreover, blocking ABA biosynthesis using a chemical inhibitor impaired JA-induced cold tolerance in tomato. Furthermore, MYC2, a core component of the JA signaling pathway, promoted the transcription of NCED2, ABA accumulation and cold tolerance in tomato. Collectively, our results support that JA signaling promotes ABA biosynthesis to confer cold tolerance in tomato.
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126
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Zhang Y, Liu X, Su R, Xiao Y, Deng H, Lu X, Wang F, Chen G, Tang W, Zhang G. 9- cis-epoxycarotenoid dioxygenase 1 confers heat stress tolerance in rice seedling plants. FRONTIERS IN PLANT SCIENCE 2022; 13:1092630. [PMID: 36605966 PMCID: PMC9807918 DOI: 10.3389/fpls.2022.1092630] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 12/05/2022] [Indexed: 06/17/2023]
Abstract
High temperature is one of the main constraints affecting plant growth and development. It has been reported that abscisic acid (ABA) synthesis gene 9-cis-epoxycarotenoid dioxygenase (NCED) positively regulates plant resistance to salt, cold, and drought stresses. However, little is known about the function of the NCED gene in heat tolerance of rice. Here, we found that OsNCED1 was a heat stress inducible gene. Rice seedlings overexpressing OsNCED1 showed enhanced heat tolerance with more abundant ABA content, whereas the knockout mutant osnced1 accumulated less ABA and showed more sensitive to heat stress. Under heat stress, increased expression of OsNCED1 could reduce membrane damage and reactive oxygen species (ROS) level of plants, and elevate the activity of antioxidant enzymes. Moreover, real time-quantitative PCR (RT-qPCR) analysis showed that overexpression of OsNCED1 significantly activated the expression of genes involved in antioxidant enzymes, ABA signaling pathway, heat response, and defense. Together, our results indicate that OsNCED1 positively regulates heat tolerance of rice seedling by raising endogenous ABA contents, which leads to the improved antioxidant capacity and activated expression of heat and ABA related genes.
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Affiliation(s)
- Yijin Zhang
- College of Agronomy, Hunan Agricultural University, Changsha, China
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Changsha, China
| | - Xiong Liu
- College of Agronomy, Hunan Agricultural University, Changsha, China
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Changsha, China
| | - Rui Su
- College of Agronomy, Hunan Agricultural University, Changsha, China
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Changsha, China
| | - Yunhua Xiao
- College of Agronomy, Hunan Agricultural University, Changsha, China
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Changsha, China
| | - Huabing Deng
- College of Agronomy, Hunan Agricultural University, Changsha, China
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Changsha, China
| | - Xuedan Lu
- College of Agronomy, Hunan Agricultural University, Changsha, China
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Changsha, China
| | - Feng Wang
- College of Agronomy, Hunan Agricultural University, Changsha, China
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Changsha, China
| | - Guihua Chen
- College of Agronomy, Hunan Agricultural University, Changsha, China
| | - Wenbang Tang
- College of Agronomy, Hunan Agricultural University, Changsha, China
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Changsha, China
- Hunan Hybrid Rice Research Center, Hunan Academy of Agricultural Sciences, Changsha, China
- State Key Laboratory of Hybrid Rice, Changsha, China
| | - Guilian Zhang
- College of Agronomy, Hunan Agricultural University, Changsha, China
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Changsha, China
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127
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Wang K, Xu F, Yuan W, Ding Y, Sun L, Feng Z, Liu X, Xu W, Zhang J, Wang F. Elevated
CO
2
enhances rice root growth under alternate wetting and drying irrigation by involving
ABA
response: Evidence from the seedling stage. Food Energy Secur 2022. [DOI: 10.1002/fes3.442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Affiliation(s)
- Ke Wang
- Institute of Soil and Fertilizer Fujian Academy of Agricultural Sciences Fuzhou China
| | - Feiyun Xu
- College of Resources and Environment, Joint International Research Laboratory of Water and Nutrient in Crop Fujian Agriculture and Forestry University Fuzhou China
| | - Wei Yuan
- College of Resources and Environment, Joint International Research Laboratory of Water and Nutrient in Crop Fujian Agriculture and Forestry University Fuzhou China
| | - Yexin Ding
- College of Resources and Environment, Joint International Research Laboratory of Water and Nutrient in Crop Fujian Agriculture and Forestry University Fuzhou China
| | - Leyun Sun
- College of Resources and Environment, Joint International Research Laboratory of Water and Nutrient in Crop Fujian Agriculture and Forestry University Fuzhou China
| | - Zhiwei Feng
- College of Resources and Environment, Joint International Research Laboratory of Water and Nutrient in Crop Fujian Agriculture and Forestry University Fuzhou China
| | - Xin Liu
- College of Resources and Environment, Joint International Research Laboratory of Water and Nutrient in Crop Fujian Agriculture and Forestry University Fuzhou China
| | - Weifeng Xu
- College of Resources and Environment, Joint International Research Laboratory of Water and Nutrient in Crop Fujian Agriculture and Forestry University Fuzhou China
| | - Jianhua Zhang
- Department of Biology Hong Kong Baptist University Hong Kong China
| | - Fei Wang
- Institute of Soil and Fertilizer Fujian Academy of Agricultural Sciences Fuzhou China
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128
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Botton A, Girardi F, Ruperti B, Brilli M, Tijero V, Eccher G, Populin F, Schievano E, Riello T, Munné-Bosch S, Canton M, Rasori A, Cardillo V, Meggio F. Grape Berry Responses to Sequential Flooding and Heatwave Events: A Physiological, Transcriptional, and Metabolic Overview. PLANTS (BASEL, SWITZERLAND) 2022; 11:3574. [PMID: 36559686 PMCID: PMC9788187 DOI: 10.3390/plants11243574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/06/2022] [Accepted: 12/13/2022] [Indexed: 06/17/2023]
Abstract
Grapevine cultivation, such as the whole horticulture, is currently challenged by several factors, among which the extreme weather events occurring under the climate change scenario are the most relevant. Within this context, the present study aims at characterizing at the berry level the physiological response of Vitis vinifera cv. Sauvignon Blanc to sequential stresses simulated under a semi-controlled environment: flooding at bud-break followed by multiple summer stress (drought plus heatwave) occurring at pre-vèraison. Transcriptomic and metabolomic assessments were performed through RNASeq and NMR, respectively. A comprehensive hormone profiling was also carried out. Results pointed out a different response to the heatwave in the two situations. Flooding caused a developmental advance, determining a different physiological background in the berry, thus affecting its response to the summer stress at both transcriptional levels, with the upregulation of genes involved in oxidative stress responses, and metabolic level, with the increase in osmoprotectants, such as proline and other amino acids. In conclusion, sequential stress, including a flooding event at bud-break followed by a summer heatwave, may impact phenological development and berry ripening, with possible consequences on berry and wine quality. A berry physiological model is presented that may support the development of sustainable vineyard management solutions to improve the water use efficiency and adaptation capacity of actual viticultural systems to future scenarios.
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Affiliation(s)
- Alessandro Botton
- Department of Agronomy, Food, Natural Resources, Animals and Environment—DAFNAE, University of Padova, Agripolis, Viale dell’università 16, Legnaro, 35020 Padova, Italy
- Interdepartmental Research Centre for Viticulture and Enology—CIRVE, University of Padova, Via XXVIII Aprile 14, Conegliano, 31015 Treviso, Italy
| | - Francesco Girardi
- Department of Agronomy, Food, Natural Resources, Animals and Environment—DAFNAE, University of Padova, Agripolis, Viale dell’università 16, Legnaro, 35020 Padova, Italy
| | - Benedetto Ruperti
- Department of Agronomy, Food, Natural Resources, Animals and Environment—DAFNAE, University of Padova, Agripolis, Viale dell’università 16, Legnaro, 35020 Padova, Italy
- Interdepartmental Research Centre for Viticulture and Enology—CIRVE, University of Padova, Via XXVIII Aprile 14, Conegliano, 31015 Treviso, Italy
| | - Matteo Brilli
- Department of Biosciences, University of Milan, Via Celoria 26, 20133 Milan, Italy
| | - Veronica Tijero
- Department of Agronomy, Food, Natural Resources, Animals and Environment—DAFNAE, University of Padova, Agripolis, Viale dell’università 16, Legnaro, 35020 Padova, Italy
| | - Giulia Eccher
- Department of Agronomy, Food, Natural Resources, Animals and Environment—DAFNAE, University of Padova, Agripolis, Viale dell’università 16, Legnaro, 35020 Padova, Italy
| | - Francesca Populin
- Unit of Fruit Crop Genetics and Breeding, Research and Innovation Centre—CRI, Edmund Mach Foundation—FEM, Via E. Mach 1, San Michele all’Adige, 38098 Trento, Italy
| | - Elisabetta Schievano
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131 Padova, Italy
| | - Tobia Riello
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131 Padova, Italy
| | - Sergi Munné-Bosch
- Department of Evolutionary Biology, Ecology and Environmental Sciences, University of Barcelona, Diagonal 643, 08017 Barcelona, Spain
| | - Monica Canton
- Department of Agronomy, Food, Natural Resources, Animals and Environment—DAFNAE, University of Padova, Agripolis, Viale dell’università 16, Legnaro, 35020 Padova, Italy
| | - Angela Rasori
- Department of Agronomy, Food, Natural Resources, Animals and Environment—DAFNAE, University of Padova, Agripolis, Viale dell’università 16, Legnaro, 35020 Padova, Italy
| | - Valerio Cardillo
- Department of Agronomy, Food, Natural Resources, Animals and Environment—DAFNAE, University of Padova, Agripolis, Viale dell’università 16, Legnaro, 35020 Padova, Italy
| | - Franco Meggio
- Department of Agronomy, Food, Natural Resources, Animals and Environment—DAFNAE, University of Padova, Agripolis, Viale dell’università 16, Legnaro, 35020 Padova, Italy
- Interdepartmental Research Centre for Viticulture and Enology—CIRVE, University of Padova, Via XXVIII Aprile 14, Conegliano, 31015 Treviso, Italy
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129
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Hao DL, Zhou JY, Huang YN, Wang HR, Li XH, Guo HL, Liu JX. Roles of plastid-located phosphate transporters in carotenoid accumulation. FRONTIERS IN PLANT SCIENCE 2022; 13:1059536. [PMID: 36589064 PMCID: PMC9798012 DOI: 10.3389/fpls.2022.1059536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 11/28/2022] [Indexed: 06/17/2023]
Abstract
Enhanced carotenoid accumulation in plants is crucial for the nutritional and health demands of the human body since these beneficial substances are acquired through dietary intake. Plastids are the major organelles to accumulate carotenoids in plants and it is reported that manipulation of a single plastid phosphate transporter gene enhances carotenoid accumulation. Amongst all phosphate transport proteins including phosphate transporters (PHTs), plastidial phosphate translocators (pPTs), PHOSPHATE1 (PHO1), vacuolar phosphate efflux transporter (VPE), and Sulfate transporter [SULTR]-like phosphorus distribution transporter (SPDT) in plants, plastidic PHTs (PHT2 & PHT4) are found as the only clade that is plastid located, and manipulation of which affects carotenoid accumulation. Manipulation of a single chromoplast PHT (PHT4;2) enhances carotenoid accumulation, whereas manipulation of a single chloroplast PHT has no impact on carotenoid accumulation. The underlying mechanism is mainly attributed to their different effects on plastid orthophosphate (Pi) concentration. PHT4;2 is the only chromoplast Pi efflux transporter, and manipulating this single chromoplast PHT significantly regulates chromoplast Pi concentration. This variation subsequently modulates the carotenoid accumulation by affecting the supply of glyceraldehyde 3-phosphate, a substrate for carotenoid biosynthesis, by modulating the transcript abundances of carotenoid biosynthesis limited enzyme genes, and by regulating chromoplast biogenesis (facilitating carotenoid storage). However, at least five orthophosphate influx PHTs are identified in the chloroplast, and manipulating one of the five does not substantially modulate the chloroplast Pi concentration in a long term due to their functional redundancy. This stable chloroplast Pi concentration upon one chloroplast PHT absence, therefore, is unable to modulate Pi-involved carotenoid accumulation processes and finally does affect carotenoid accumulation in photosynthetic tissues. Despite these advances, several cases including the precise location of plastid PHTs, the phosphate transport direction mediated by these plastid PHTs, the plastid PHTs participating in carotenoid accumulation signal pathway, the potential roles of these plastid PHTs in leaf carotenoid accumulation, and the roles of these plastid PHTs in other secondary metabolites are waiting for further research. The clarification of the above-mentioned cases is beneficial for breeding high-carotenoid accumulation plants (either in photosynthetic or non-photosynthetic edible parts of plants) through the gene engineering of these transporters.
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Affiliation(s)
- Dong-Li Hao
- The National Forestry and Grassland Administration Engineering Research Center for Germplasm Innovation and Utilization of Warm-Season Turfgrasses, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
| | - Jin-Yan Zhou
- Department of Agronomy and Horticulture, Jiangsu Vocational College of Agriculture and Forest, Jurong, China
| | - Ya-Nan Huang
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Nanjing, China
| | - Hao-Ran Wang
- The National Forestry and Grassland Administration Engineering Research Center for Germplasm Innovation and Utilization of Warm-Season Turfgrasses, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
| | - Xiao-Hui Li
- The National Forestry and Grassland Administration Engineering Research Center for Germplasm Innovation and Utilization of Warm-Season Turfgrasses, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
| | - Hai-Lin Guo
- The National Forestry and Grassland Administration Engineering Research Center for Germplasm Innovation and Utilization of Warm-Season Turfgrasses, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
| | - Jian-Xiu Liu
- The National Forestry and Grassland Administration Engineering Research Center for Germplasm Innovation and Utilization of Warm-Season Turfgrasses, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
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Kavi Kishor PB, Tiozon RN, Fernie AR, Sreenivasulu N. Abscisic acid and its role in the modulation of plant growth, development, and yield stability. TRENDS IN PLANT SCIENCE 2022; 27:1283-1295. [PMID: 36100537 DOI: 10.1016/j.tplants.2022.08.013] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 07/28/2022] [Accepted: 08/19/2022] [Indexed: 06/15/2023]
Abstract
Abscisic acid (ABA) is known to confer stress tolerance; however, at elevated levels it impairs plant growth under prolonged stress. Paradoxically, at its basal level, ABA plays many vital roles in promoting plant growth and development, including modulation of tillering, flowering, and seed development, as well as seed maturation. In this review, we provide insight into novel discoveries of ABA fluxes, ABA signaling responses, and their impact on yield stability. We discuss ABA homeostasis implicated under pre- and postanthesis drought and its impact on productive tillers, grain number determination, and seed development to address yield stability in cereal crops while considering the new knowledge that emerged from the model plant systems.
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Affiliation(s)
- Polavarapu B Kavi Kishor
- Department of Biotechnology, Vignan's Foundation for Science, Technology & Research (Deemed to be University), Vadlamudi, Guntur 522 213, Andhra Pradesh, India
| | - Rhowell N Tiozon
- Max-Planck-Institut für Molekulare Pflanzenphysiologie, Am Muhlenberg 1, 14476 Potsdam-Golm, Germany; International Rice Research Institute, DAPO Box 7777, Metro Manila, Philippines
| | - Alisdair R Fernie
- Max-Planck-Institut für Molekulare Pflanzenphysiologie, Am Muhlenberg 1, 14476 Potsdam-Golm, Germany
| | - Nese Sreenivasulu
- International Rice Research Institute, DAPO Box 7777, Metro Manila, Philippines.
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Kim MS, Kim JH, Amoah JN, Seo YW. Wheat (Triticum aestivum. L) Plant U-box E3 ligases TaPUB2 and TaPUB3 enhance ABA response and salt stress resistance in Arabidopsis. FEBS Lett 2022; 596:3037-3050. [PMID: 36349399 DOI: 10.1002/1873-3468.14536] [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: 08/02/2022] [Revised: 10/10/2022] [Accepted: 10/25/2022] [Indexed: 11/10/2022]
Abstract
Plant U-box E3 ligases (PUBs) are important regulators of responses to various abiotic stress conditions. In this study, we found that wheat (Triticum aestivum. L) PUBs TaPUB2 and TaPUB3 enhanced abscisic acid (ABA) responses and salt tolerance in Arabidopsis. We generated transgenic Arabidopsis lines overexpressing TaPUB2 and TaPUB3 and performed various plant physiological experiments. Overexpression of TaPUB2 and TaPUB3 increased tolerance to salinity stress in an ABA-dependent manner in transgenic plants, as evidenced by germination and survival rates, root length, stomatal aperture regulation, membrane peroxidation, photosynthetic activities, reactive oxygen species scavenging activities and expression of various ABA and salinity stress-related genes. These results demonstrate the functions of PUBs under ABA and salinity stress conditions and provide valuable information for the development of salinity stress-tolerant crop species.
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Affiliation(s)
- Moon Seok Kim
- Department of Plant Biotechnology, Korea University, Seoul, Korea
| | - Jae Ho Kim
- Department of Plant Biotechnology, Korea University, Seoul, Korea.,Institute of Animal Molecular Biotechnology, Korea University, Seoul, Korea
| | | | - Yong Weon Seo
- Department of Plant Biotechnology, Korea University, Seoul, Korea.,Ojeong Plant Breeding Research Center, Korea University, Seoul, Korea
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Gulyás Z, Moncsek B, Hamow KÁ, Stráner P, Tolnai Z, Badics E, Incze N, Darkó É, Nagy V, Perczel A, Kovács L, Soós V. D27-LIKE1 isomerase has a preference towards trans/cis and cis/cis conversions of carotenoids in Arabidopsis. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2022; 112:1377-1395. [PMID: 36308414 DOI: 10.1111/tpj.16017] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 10/20/2022] [Accepted: 10/25/2022] [Indexed: 06/16/2023]
Abstract
Carotenoids contribute to a variety of physiological processes in plants, functioning also as biosynthesis precursors of ABA and strigolactones (SLs). SL biosynthesis starts with the enzymatic conversion of all-trans-β-carotene to 9-cis-β-carotene by the DWARF27 (D27) isomerase. In Arabidopsis, D27 has two closely related paralogs, D27-LIKE1 and D27-LIKE2, which were predicted to be β-carotene-isomerases. In the present study, we characterised D27-LIKE1 and identified some key aspects of its physiological and enzymatic functions in Arabidopsis. d27-like1-1 mutant does not display any strigolactone-deficient traits and exhibits a substantially higher 9-cis-violaxanthin content, which is accompanied by a slightly higher ABA level. In vitro feeding assays with recombinant D27-LIKE1 revealed that the protein exhibits affinity to all β-carotene isoforms but with an exclusive preference towards trans/cis conversions and the interconversion between 9-cis, 13-cis and 15-cis-β-carotene forms, and accepts zeaxanthin and violaxanthin as substrates. Finally, we present evidence showing that D27-LIKE1 mRNA is phloem mobile and D27-LIKE1 is an ancient isomerase with a long evolutionary history. In summary, we demonstrate that D27-LIKE1 is a carotenoid isomerase with multi-substrate specificity and has a characteristic preference towards the catalysation of cis/cis interconversion of carotenoids. Therefore, D27-LIKE1 is a potential regulator of carotenoid cis pools and, eventually, SL and ABA biosynthesis pathways.
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Affiliation(s)
- Zsolt Gulyás
- Agricultural Institute, Centre for Agricultural Research, ELKH, Brunszvik u. 2, Martonvásár, 2462, Hungary
| | - Blanka Moncsek
- Agricultural Institute, Centre for Agricultural Research, ELKH, Brunszvik u. 2, Martonvásár, 2462, Hungary
- Doctoral School of Biology, Institute of Biology, ELTE Eötvös Loránd University, Pázmány Péter s. 1/A, Budapest, 1117, Hungary
| | - Kamirán Áron Hamow
- Agricultural Institute, Centre for Agricultural Research, ELKH, Brunszvik u. 2, Martonvásár, 2462, Hungary
| | - Pál Stráner
- Laboratory of Structural Chemistry and Biology, MTA-ELTE Protein Modelling Research Group, Institute of Chemistry, Eötvös Loránd University, Pázmány Péter s. 1/A, Budapest, 1117, Hungary
| | - Zoltán Tolnai
- Agricultural Institute, Centre for Agricultural Research, ELKH, Brunszvik u. 2, Martonvásár, 2462, Hungary
| | - Eszter Badics
- Agricultural Institute, Centre for Agricultural Research, ELKH, Brunszvik u. 2, Martonvásár, 2462, Hungary
- Doctoral School of Biology, Institute of Biology, ELTE Eötvös Loránd University, Pázmány Péter s. 1/A, Budapest, 1117, Hungary
| | - Norbert Incze
- Agricultural Institute, Centre for Agricultural Research, ELKH, Brunszvik u. 2, Martonvásár, 2462, Hungary
- Doctoral School of Biology, Institute of Biology, ELTE Eötvös Loránd University, Pázmány Péter s. 1/A, Budapest, 1117, Hungary
| | - Éva Darkó
- Agricultural Institute, Centre for Agricultural Research, ELKH, Brunszvik u. 2, Martonvásár, 2462, Hungary
| | - Valéria Nagy
- Biological Research Centre, ELKH, 6726, Szeged, Temesvári krt. 62, Hungary
| | - András Perczel
- Laboratory of Structural Chemistry and Biology, MTA-ELTE Protein Modelling Research Group, Institute of Chemistry, Eötvös Loránd University, Pázmány Péter s. 1/A, Budapest, 1117, Hungary
| | - László Kovács
- Biological Research Centre, ELKH, 6726, Szeged, Temesvári krt. 62, Hungary
| | - Vilmos Soós
- Agricultural Institute, Centre for Agricultural Research, ELKH, Brunszvik u. 2, Martonvásár, 2462, Hungary
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Li S, Liu S, Zhang Q, Cui M, Zhao M, Li N, Wang S, Wu R, Zhang L, Cao Y, Wang L. The interaction of ABA and ROS in plant growth and stress resistances. FRONTIERS IN PLANT SCIENCE 2022; 13:1050132. [PMID: 36507454 PMCID: PMC9729957 DOI: 10.3389/fpls.2022.1050132] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 11/08/2022] [Indexed: 05/31/2023]
Abstract
The plant hormone ABA (abscisic acid) plays an extremely important role in plant growth and adaptive stress, including but are not limited to seed germination, stomatal closure, pathogen infection, drought and cold stresses. Reactive oxygen species (ROS) are response molecules widely produced by plant cells under biotic and abiotic stress conditions. The production of apoplast ROS is induced and regulated by ABA, and participates in the ABA signaling pathway and its regulated plant immune system. In this review, we summarize ABA and ROS in apoplast ROS production, plant response to biotic and abiotic stresses, plant growth regulation, ABA signal transduction, and the regulatory relationship between ABA and other plant hormones. In addition, we also discuss the effects of protein post-translational modifications on ABA and ROS related factors.
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Affiliation(s)
- Shenghui Li
- School of Landscape and Ecological Engineering, Hebei University of Engineering, Handan, China
| | - Sha Liu
- School of Landscape and Ecological Engineering, Hebei University of Engineering, Handan, China
| | - Qiong Zhang
- Institute of Pomology, Shandong Academy of Agricultural Sciences, Tai’an, China
| | - Meixiang Cui
- School of Landscape and Ecological Engineering, Hebei University of Engineering, Handan, China
| | - Min Zhao
- School of Landscape and Ecological Engineering, Hebei University of Engineering, Handan, China
| | - Nanyang Li
- School of Landscape and Ecological Engineering, Hebei University of Engineering, Handan, China
| | - Suna Wang
- School of Landscape and Ecological Engineering, Hebei University of Engineering, Handan, China
| | - Ruigang Wu
- School of Landscape and Ecological Engineering, Hebei University of Engineering, Handan, China
| | - Lin Zhang
- School of Basic Medical Sciences, Hubei University of Chinese Medicine, Wuhan, China
| | - Yunpeng Cao
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
| | - Lihu Wang
- School of Landscape and Ecological Engineering, Hebei University of Engineering, Handan, China
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Široká J, Brunoni F, Pěnčík A, Mik V, Žukauskaitė A, Strnad M, Novák O, Floková K. High-throughput interspecies profiling of acidic plant hormones using miniaturised sample processing. PLANT METHODS 2022; 18:122. [PMID: 36384566 PMCID: PMC9670418 DOI: 10.1186/s13007-022-00954-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 10/20/2022] [Indexed: 05/12/2023]
Abstract
BACKGROUND Acidic phytohormones are small molecules controlling many physiological functions in plants. A comprehensive picture of their profiles including the active forms, precursors and metabolites provides an important insight into ongoing physiological processes and is essential for many biological studies performed on plants. RESULTS A high-throughput sample preparation method for liquid chromatography-tandem mass spectrometry determination of 25 acidic phytohormones classed as auxins, jasmonates, abscisates and salicylic acid was optimised. The method uses a small amount of plant tissue (less than 10 mg fresh weight) and acidic extraction in 1 mol/L formic acid in 10% aqueous methanol followed by miniaturised purification on reverse phase sorbent accommodated in pipette tips organised in a 3D printed 96-place interface, capable of processing 192 samples in one run. The method was evaluated in terms of process efficiency, recovery and matrix effects as well as establishing validation parameters such as accuracy and precision. The applicability of the method in relation to the amounts of sample collected from distantly related plant species was evaluated and the results for phytohormone profiles are discussed in the context of literature reports. CONCLUSION The method developed enables high-throughput profiling of acidic phytohormones with minute amounts of plant material, and it is suitable for large scale interspecies studies.
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Affiliation(s)
- Jitka Široká
- Laboratory of Growth Regulators, Institute of Experimental Botany of the Czech Academy of Sciences & Palacký University, Šlechtitelů 27, 78371, Olomouc, Czech Republic.
| | - Federica Brunoni
- Laboratory of Growth Regulators, Institute of Experimental Botany of the Czech Academy of Sciences & Palacký University, Šlechtitelů 27, 78371, Olomouc, Czech Republic
| | - Aleš Pěnčík
- Laboratory of Growth Regulators, Institute of Experimental Botany of the Czech Academy of Sciences & Palacký University, Šlechtitelů 27, 78371, Olomouc, Czech Republic
| | - Václav Mik
- Department of Experimental Biology, Faculty of Science, Palacký University, Šlechtitelů 27, 78371, Olomouc, Czech Republic
| | - Asta Žukauskaitė
- Department of Chemical Biology, Faculty of Science, Palacký University, Šlechtitelů 27, 78371, Olomouc, Czech Republic
| | - Miroslav Strnad
- Laboratory of Growth Regulators, Institute of Experimental Botany of the Czech Academy of Sciences & Palacký University, Šlechtitelů 27, 78371, Olomouc, Czech Republic
| | - Ondřej Novák
- Laboratory of Growth Regulators, Institute of Experimental Botany of the Czech Academy of Sciences & Palacký University, Šlechtitelů 27, 78371, Olomouc, Czech Republic
| | - Kristýna Floková
- Laboratory of Growth Regulators, Institute of Experimental Botany of the Czech Academy of Sciences & Palacký University, Šlechtitelů 27, 78371, Olomouc, Czech Republic
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
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135
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Landi M, Misra BB, Nocito FF, Lucchini G, Bruno L, Malara A, Abenavoli MR, Araniti F. Metabolic changes induced by Cuscuta campestris Yunck in the host species Artemisia campestris subsp. variabilis (Ten.) Greuter as a strategy for successful parasitisation. PLANTA 2022; 256:118. [PMID: 36376619 PMCID: PMC9663405 DOI: 10.1007/s00425-022-04025-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 10/29/2022] [Indexed: 06/16/2023]
Abstract
C. campestris parasitisation increases internal host defences at the expense of environmentally directed ones in the host species A. campestris, thus limiting plant defence against progressive parasitisation. Cuscuta campestris Yunck is a holoparasitic species that parasitises wild species and crops. Among their hosts, Artemisia campestris subsp. variabilis (Ten.) Greuter is significantly affected in natural ecosystems. Limited information is available on the host recognition mechanism and there are no data on the interactions between these species and the effects on the primary and specialised metabolism in response to parasitisation. The research aims at evaluating the effect of host-parasite interactions, through a GC-MS untargeted metabolomic analysis, chlorophyll a fluorescence, ionomic and δ13C measurements, as well as volatile organic compound (VOC) fingerprint in A. campestris leaves collected in natural environment. C. campestris parasitisation altered plant water status, forcing stomatal opening, stimulating plant transpiration, and inducing physical damages to the host antenna complex, thus reducing the efficiency of its photosynthetic machinery. Untargeted-metabolomics analysis highlighted that the parasitisation significantly perturbed the amino acids and sugar metabolism, inducing an increase in the production of osmoprotectants, which generally accumulate in plants as a protective strategy against oxidative stress. Notably, VOCs analysis highlighted a reduction in sesquiterpenoids and an increase in monoterpenoids levels; involved in plant defence and host recognition, respectively. Moreover, C. campestris induced in the host a reduction in 3-hexenyl-acetate, a metabolite with known repellent activity against Cuscuta spp. We offer evidences that C. campestris parasitisation increases internal host defences via primary metabolites at the expense of more effective defensive compounds (secondary metabolites), thus limiting A. campestris defence against progressive parasitisation.
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Affiliation(s)
- Marco Landi
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124, Pisa, Italy
| | - Biswapriya B Misra
- Independent Researcher, Pine-211, Raintree Park Dwaraka Krishna, Namburu, 522508, India
| | - Fabio Francesco Nocito
- Dipartimento di Scienze Agrarie e Ambientali-Produzione, Territorio, Agroenergia, Università degli Studi di Milano, Via Celoria 2, 20133, Milano, Italy
| | - Giorgio Lucchini
- Dipartimento di Scienze Agrarie e Ambientali-Produzione, Territorio, Agroenergia, Università degli Studi di Milano, Via Celoria 2, 20133, Milano, Italy
| | - Leonardo Bruno
- Dipartimento di Biologia, Ecologia e Scienzedella Terra (DiBEST), Università della Calabria, 87036, Arcavacata di Rende, Cosenza, Italy
| | - Angela Malara
- Dipartimento di Ingegneria Civile, dell'Energia, Dell'Ambiente e dei Materiali (DICEAM), Università degli Studi "Mediterranea" di Reggio Calabria, Loc. Feo di Vito, 89122, Reggio Calabria, Italy
| | - Maria Rosa Abenavoli
- Dipartimento AGRARIA, Università degli Studi "Mediterranea" di Reggio Calabria, località Feo di Vito SNC, 89124, Reggio Calabria, Italy
| | - Fabrizio Araniti
- Dipartimento di Scienze Agrarie e Ambientali-Produzione, Territorio, Agroenergia, Università degli Studi di Milano, Via Celoria 2, 20133, Milano, Italy.
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136
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Zhao X, Wang H, Zhang B, Cheng Y, Ma X. Overexpression of histone deacetylase gene 84KHDA909 from poplar confers enhanced tolerance to drought and salt stresses in Arabidopsis. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 324:111434. [PMID: 36029898 DOI: 10.1016/j.plantsci.2022.111434] [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: 04/24/2022] [Revised: 08/11/2022] [Accepted: 08/22/2022] [Indexed: 06/15/2023]
Abstract
Histone deacetylases (HDACs) are important enzymes participating in histone modification and epigenetic regulation of gene transcription. HDACs play an essential role in plant development and stress responses. To date, the role of HDACs is largely uninvestigated in woody plants. In this study, we identified a RPD3/HDA1-type HDAC, named 84KHDA909, from 84 K poplar (Populus alba × Populus glandulosa). The protein encoded by 84KHDA909 contained an HDAC domain. The 84KHDA909 was responsive to drought, salt, and cold stresses, but displayed different expression patterns. Overexpression of 84KHDA909 improved root growth, and conferred enhanced tolerance to drought and salt stresses in Arabidopsis. The transgenic plants displayed greater fresh weight, higher proline content and lower malondialdehyde (MDA) accumulation than the wild type. In the transgenic plants, transcript levels of several genes related to abscisic acid (ABA) biosynthesis and response were altered upon exposure to drought and salt stresses. Our results suggested that 84KHDA909 positively regulates drought and salt stress tolerance through ABA pathway.
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Affiliation(s)
- Xiao Zhao
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin 150040, China
| | - Hanbin Wang
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin 150040, China
| | - Bing Zhang
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin 150040, China
| | - Yuxiang Cheng
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin 150040, China
| | - Xujun Ma
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin 150040, China.
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137
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Rehal PK, Tuan PA, Nguyen TN, Cattani DJ, Humphreys DG, Ayele BT. Genetic variation of seed dormancy in wheat (Triticum aestivum L.) is mediated by transcriptional regulation of abscisic acid metabolism and signaling. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 324:111432. [PMID: 36029895 DOI: 10.1016/j.plantsci.2022.111432] [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: 07/18/2022] [Revised: 08/09/2022] [Accepted: 08/20/2022] [Indexed: 06/15/2023]
Abstract
Abscisic acid (ABA) regulates seed dormancy and therefore preharvest sprouting (PHS) in wheat. This study investigated the contribution of transcriptional regulation of ABA metabolism and signaling genes to genetic variation in dormancy of wheat seeds. Our results showed that genetic variation in seed dormancy is highly correlated with ABA content (r > 0.86), which, in turn, was closely associated with the expression levels of ABA biosynthesis genes, TaNCED1 (r = 0.78) and TaNCED2 (r = 0.67). A relatively lower correlation was observed between ABA content and the expression levels of ABA catabolism genes, TaCYP707A1 (r = 0.51) and TaCYP707A2 (r = 0.57). The expression level of TaABI5 exhibited strong associations with the levels of ABA (r = 0.8) and seed dormancy (r > 0.9), indicating the importance of seed ABA sensitivity in mediating genetic variation in dormancy. Furthermore, high positive correlations were prevalent between the expression patterns of TaABI5 and TaNCED1 (r = 0.91) or TaNCED2 (r = 0.82). Overall, our results implicated the significance of TaNCEDs and TaABI5 in regulating genetic variation in ABA level and sensitivity and thereby seed dormancy, highlighting the potential use of these genes to develop molecular markers for incorporating PHS resistance in wheat.
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Affiliation(s)
- Pawanpuneet K Rehal
- Department of Plant Science, University of Manitoba, 222 Agriculture Building, Winnipeg, Manitoba R3T 2N2, Canada
| | - Pham Anh Tuan
- Department of Plant Science, University of Manitoba, 222 Agriculture Building, Winnipeg, Manitoba R3T 2N2, Canada
| | - Tran-Nguyen Nguyen
- Department of Plant Science, University of Manitoba, 222 Agriculture Building, Winnipeg, Manitoba R3T 2N2, Canada
| | - Douglas J Cattani
- Department of Plant Science, University of Manitoba, 222 Agriculture Building, Winnipeg, Manitoba R3T 2N2, Canada
| | - D Gavin Humphreys
- Ottawa Research and Development Center, Agriculture and Agri-Food Canada, KW Neatby Building, 960 Carling Avenue, Ottawa, Ontario K1A 0C6, Canada
| | - Belay T Ayele
- Department of Plant Science, University of Manitoba, 222 Agriculture Building, Winnipeg, Manitoba R3T 2N2, Canada.
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138
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Marešová J, Húdoková H, Sarvašová L, Fleischer P, Ditmarová Ľ, Blaženec M, Jamnická G. Dynamics of internal isoprenoid metabolites in young Picea abies (Norway spruce) shoots during drought stress conditions in springtime. PHYTOCHEMISTRY 2022; 203:113414. [PMID: 36057316 DOI: 10.1016/j.phytochem.2022.113414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 08/22/2022] [Accepted: 08/22/2022] [Indexed: 06/15/2023]
Abstract
Currently, large areas of Picea abies (Norway spruce) stands in Europe are increasingly affected by drought and heat waves. Moreover, early spring drought has occurred with much higher frequency. Our work focuses on physiological changes induced by drought in four-year-old spruce seedlings during shoot elongation. We investigated drought effect on photosynthetic rate, concentration of abscisic acid and its metabolites, amount and composition of monoterpenes in needles of seedlings from five different provenances (altitude range 550-1280 m above sea level) in Western Carpathians. Spruce seedlings subjected to one-month drought stress of moderate intensity (about 50% of soil water content at the end of experiment) showed significant reduction of CO2 uptake and increased concentration of ABA related to untreated controls. Induced drought affected needle monoterpene content and composition. Observed changes in drought-induced physiological parameters were influenced by seedling provenance. The provenance from 920 m above sea level showed the greatest sensitivity to drought with significantly highest ABA content and, at the same time, a clear decline of CO2 uptake and amounts of total monoterpenes. Our results indicating intra-specific provenance-related variability in physiological response of spruce seedlings to drought may provide a basis for improved reforestation strategies in drought risk areas.
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Affiliation(s)
- Jana Marešová
- Institute of Forest Ecology, Slovak Academy of Sciences, Ľ. Štúra 2, 96001, Zvolen, Slovakia
| | - Hana Húdoková
- Institute of Forest Ecology, Slovak Academy of Sciences, Ľ. Štúra 2, 96001, Zvolen, Slovakia; Technical University in Zvolen, Faculty of Ecology and Environmental Sciences, TG Masaryka 24, 96001, Zvolen, Slovakia.
| | - Lenka Sarvašová
- Institute of Forest Ecology, Slovak Academy of Sciences, Ľ. Štúra 2, 96001, Zvolen, Slovakia
| | - Peter Fleischer
- Institute of Forest Ecology, Slovak Academy of Sciences, Ľ. Štúra 2, 96001, Zvolen, Slovakia; Technical University in Zvolen, Faculty of Forestry, TG Masaryka 24, 96001, Zvolen, Slovakia
| | - Ľubica Ditmarová
- Institute of Forest Ecology, Slovak Academy of Sciences, Ľ. Štúra 2, 96001, Zvolen, Slovakia
| | - Miroslav Blaženec
- Institute of Forest Ecology, Slovak Academy of Sciences, Ľ. Štúra 2, 96001, Zvolen, Slovakia
| | - Gabriela Jamnická
- Institute of Forest Ecology, Slovak Academy of Sciences, Ľ. Štúra 2, 96001, Zvolen, Slovakia
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Ke D, Guo J, Li K, Wang Y, Han X, Fu W, Miao Y, Jia KP. Carotenoid-derived bioactive metabolites shape plant root architecture to adapt to the rhizospheric environments. FRONTIERS IN PLANT SCIENCE 2022; 13:986414. [PMID: 36388571 PMCID: PMC9643742 DOI: 10.3389/fpls.2022.986414] [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: 07/05/2022] [Accepted: 10/14/2022] [Indexed: 06/16/2023]
Abstract
Roots are important plant organs for the uptake of water and nutrient elements. Plant root development is finely regulated by endogenous signals and environmental cues, which shapes the root system architecture to optimize the plant growth and adapt to the rhizospheric environments. Carotenoids are precursors of plant hormones strigolactones (SLs) and ABA, as well as multiple bioactive molecules. Numerous studies have demonstrated SLs and ABA as essential regulators of plant root growth and development. In addition, a lot carotenoid-derived bioactive metabolites are recently identified as plant root growth regulators, such as anchorene, β-cyclocitral, retinal and zaxinone. However, our knowledge on how these metabolites affect the root architecture to cope with various stressors and how they interact with each other during these processes is still quite limited. In the present review, we will briefly introduce the biosynthesis of carotenoid-derived root regulators and elaborate their biological functions on root development and architecture, focusing on their contribution to the rhizospheric environmental adaption of plants.
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Affiliation(s)
- Danping Ke
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
| | - Jinggong Guo
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
- Sanya Institute of Henan University, Sanya, Hainan, China
- Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng, China
| | - Kun Li
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
- Sanya Institute of Henan University, Sanya, Hainan, China
- Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng, China
| | - Yujie Wang
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
| | - Xiaomeng Han
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
| | - Weiwei Fu
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
| | - Yuchen Miao
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
- Sanya Institute of Henan University, Sanya, Hainan, China
- Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng, China
| | - Kun-Peng Jia
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
- Sanya Institute of Henan University, Sanya, Hainan, China
- Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng, China
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140
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Nguyen NH, Vu NT, Cheong JJ. Transcriptional Stress Memory and Transgenerational Inheritance of Drought Tolerance in Plants. Int J Mol Sci 2022; 23:12918. [PMID: 36361708 PMCID: PMC9654142 DOI: 10.3390/ijms232112918] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/19/2022] [Accepted: 10/25/2022] [Indexed: 12/03/2023] Open
Abstract
Plants respond to drought stress by producing abscisic acid, a chemical messenger that regulates gene expression and thereby expedites various physiological and cellular processes including the stomatal operation to mitigate stress and promote tolerance. To trigger or suppress gene transcription under drought stress conditions, the surrounding chromatin architecture must be converted between a repressive and active state by epigenetic remodeling, which is achieved by the dynamic interplay among DNA methylation, histone modifications, loop formation, and non-coding RNA generation. Plants can memorize chromatin status under drought conditions to enable them to deal with recurrent stress. Furthermore, drought tolerance acquired during plant growth can be transmitted to the next generation. The epigenetically modified chromatin architectures of memory genes under stressful conditions can be transmitted to newly developed cells by mitotic cell division, and to germline cells of offspring by overcoming the restraints on meiosis. In mammalian cells, the acquired memory state is completely erased and reset during meiosis. The mechanism by which plant cells overcome this resetting during meiosis to transmit memory is unclear. In this article, we review recent findings on the mechanism underlying transcriptional stress memory and the transgenerational inheritance of drought tolerance in plants.
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Affiliation(s)
- Nguyen Hoai Nguyen
- Faculty of Biotechnology, Ho Chi Minh City Open University, Ho Chi Minh City 700000, Vietnam
| | - Nam Tuan Vu
- Center for Food and Bioconvergence, Seoul National University, Seoul 08826, Korea
| | - Jong-Joo Cheong
- Center for Food and Bioconvergence, Seoul National University, Seoul 08826, Korea
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141
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Li G, Wang Y, Wu J, Hu H, Datla R, Bu Q, Moncaleán P, Li J, Zhang J. Editorial: Roles and regulatory mechanisms of ABA in plant development. FRONTIERS IN PLANT SCIENCE 2022; 13:1039265. [PMID: 36340366 PMCID: PMC9632727 DOI: 10.3389/fpls.2022.1039265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 09/30/2022] [Indexed: 06/16/2023]
Affiliation(s)
- Guanghao Li
- State Key Lab of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Yifeng Wang
- State Key Lab of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Jian Wu
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China
| | - Honghong Hu
- Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, China
| | - Raju Datla
- Global Institute for Food Security, University of Saskatchewan, Saskatoon, SK, Canada
| | - Qingyun Bu
- Northeast Institute of Geography and Agroecology, Key Laboratory of Soybean Molecular Design Breeding, the Chinese Academy of Sciences, Harbin, China
| | - Paloma Moncaleán
- Department of Forestry Sciences, NEIKER-BRTA, Centro de Arkaute, Vitoria-Gasteiz, Spain
| | - Jiaxu Li
- Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology, Mississippi State University, Mississippi, MS, United States
| | - Jian Zhang
- State Key Lab of Rice Biology, China National Rice Research Institute, Hangzhou, China
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142
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Higgins S, Serada V, Herron B, Gadhave KR, Kurouski D. Confirmatory detection and identification of biotic and abiotic stresses in wheat using Raman spectroscopy. FRONTIERS IN PLANT SCIENCE 2022; 13:1035522. [PMID: 36325557 PMCID: PMC9618938 DOI: 10.3389/fpls.2022.1035522] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 09/30/2022] [Indexed: 05/26/2023]
Abstract
Wheat is one of the oldest and most widely cultivated staple food crops worldwide. Wheat encounters an array of biotic and abiotic stresses during its growth that significantly impact the crop yield and consequently global food security. Molecular and imaging methods that can be used to detect such stresses are laborious and have numerous limitations. This catalyzes the search for alternative techniques that can be used to monitor plant health. Raman spectroscopy (RS) is a modern analytical technique that is capable of probing structure and composition of samples non-invasively and non-destructively. In this study, we investigate the accuracy of RS in confirmatory diagnostics of biotic and abiotic stresses in wheat. Specifically, we modelled nitrogen deficiency (ND) and drought, key abiotic stresses, and Russian wheat aphid (Diuraphis noxia) infestation and viral diseases: wheat streak mosaic virus (WSMV) and Triticum mosaic virus (TriMV), economically significant biotic stresses in common bread wheat. Raman spectra as well as high pressure liquid chromatography (HPLC)-based analyses revealed drastically distinct changes in the intensity of carotenoid vibration (1185 cm-1) and in the concentration of lutein, chlorophyll, and pheophytin biomolecules of wheat, triggered in response to aforementioned biotic and abiotic stresses. The biochemical changes were reflected in unique vibrational signatures in the corresponding Raman spectra, which, in turn could be used for ~100% accurate identification of biotic and abiotic stresses in wheat. These results demonstrate that a hand-held Raman spectrometer could provide an efficient, scalable, and accurate diagnosis of both biotic as well as abiotic stresses in the field.
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Affiliation(s)
- Samantha Higgins
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX, United States
| | - Valeryia Serada
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX, United States
| | | | - Kiran R. Gadhave
- Texas A&M AgriLife Research, Amarillo, TX, United States
- Department of Entomology, Texas A&M University, College Station, TX, United States
| | - Dmitry Kurouski
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX, United States
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143
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Faizan M, Tonny SH, Afzal S, Farooqui Z, Alam P, Ahmed SM, Yu F, Hayat S. β-Cyclocitral: Emerging Bioactive Compound in Plants. Molecules 2022; 27:molecules27206845. [PMID: 36296438 PMCID: PMC9608612 DOI: 10.3390/molecules27206845] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/05/2022] [Accepted: 10/06/2022] [Indexed: 11/16/2022] Open
Abstract
β-cyclocitral (βCC), a main apocarotenoid of β-carotene, increases plants’ resistance against stresses. It has recently appeared as a novel bioactive composite in a variety of organisms from plants to animals. In plants, βCC marked as stress signals that accrue under adverse ecological conditions. βCC regulates nuclear gene expression through several signaling pathways, leading to stress tolerance. In this review, an attempt has been made to summarize the recent findings of the potential role of βCC. We emphasize the βCC biosynthesis, signaling, and involvement in the regulation of abiotic stresses. From this review, it is clear that discussing compound has great potential against abiotic stress tolerance and be used as photosynthetic rate enhancer. In conclusion, this review establishes a significant reference base for future research.
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Affiliation(s)
- Mohammad Faizan
- Botany Section, School of Sciences, Maulana Azad National Urdu University, Hyderabad 500032, India
| | - Sadia Haque Tonny
- Faculty of Agriculture, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Shadma Afzal
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj 211004, India
| | - Zeba Farooqui
- College of Pharmacy, University of Houston, Houston, TX 77204, USA
| | - Pravej Alam
- Department of Biology, College of Science and Humanities, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia
| | - S Maqbool Ahmed
- Botany Section, School of Sciences, Maulana Azad National Urdu University, Hyderabad 500032, India
| | - Fangyuan Yu
- Collaborative Innovation Center of Sustainable Forestry in Southern China, College of Forest Science, Nanjing Forestry University, Nanjing 210037, China
| | - Shamsul Hayat
- Department of Botany, Faculty of Life Sciences, Aligarh Muslim University, Aligarh 202002, India
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144
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Li Y, Qin P, Sun A, Xiao W, Chen F, He Y, Yu K, Li Y, Zhang M, Guo X. Genome-wide identification, new classification, expression analysis and screening of drought & heat resistance related candidates in the RING zinc finger gene family of bread wheat (Triticum aestivum L.). BMC Genomics 2022; 23:696. [PMID: 36207690 PMCID: PMC9547421 DOI: 10.1186/s12864-022-08905-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 09/23/2022] [Indexed: 11/12/2022] Open
Abstract
Background RING (Really Interesting New Gene) zinc finger (RING-zf) proteins belong to an important subclass of zinc fingers superfamily, which play versatile roles during various developmental stages and in abiotic stress responses. Based on the conserved cysteine and histidine residues, the RING-zf domains are classified into RING-HC (C3HC4), RING-H2 (C3H2C3), RING-v, RING-D, RING-S/T, RING-G, and RING-C2. However, little is known about the function of the RING-zfs of wheat. Results In this study, 129 (93.5%) of 138 members were found in nucleus, indicating TaRING-zf were primarily engaged in the degradation of transcription factors and other nuclear-localized proteins. 138 TaRING-zf domains can be divided into four canonical or modified types (RING-H2, RING-HC, RING-D, and RING-M). The RING-M was newly identified in T. aestivum, and might represent the intermediate other states between RING-zf domain and other modified domains. The consensus sequence of the RING-M domain can be described as M-X2-R-X14-Cys-X1-H-X2-Cys-X2-Cys-X10-Cys-X2-Cys. Further interspecies collinearity analyses showed that TaRING-zfs were more closely related to the genes in Poaceae. According to the public transcriptome data, most of the TaRING-zfs were expressed at different 15 stages of plant growth, development, and some of them exhibited specific responses to drought/heat stress. Moreover, 4 RING-HC (TraesCS2A02G526800.1, TraesCS4A02G290600.1, TraesCS4B02G023600.1 and TraesCS4D02G021200.1) and 2 RING-H2 (TraesCS3A02G288900.1 and TraesCS4A02G174600.1) were significantly expressed at different development stages and under drought stress. These findings provide valuable reference data for further study of their physiological functions in wheat varieties. Conclusions Taken together, the characterization and classifications of the TaRING-zf family were extensively studied and some new features about it were revealed. This study could provide some valuable targets for further studies on their functions in growth and development, and abiotic stress responses in wheat. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-022-08905-x.
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Affiliation(s)
- Yongliang Li
- College of Biology, Hunan University, Changsha, 410082, China
| | - Pai Qin
- College of Biology, Hunan University, Changsha, 410082, China
| | - Aolong Sun
- College of Biology, Hunan University, Changsha, 410082, China
| | - Wenjun Xiao
- College of Biology, Hunan University, Changsha, 410082, China.
| | - Fenglin Chen
- College of Biology, Hunan University, Changsha, 410082, China
| | - Yang He
- College of Biology, Hunan University, Changsha, 410082, China
| | - Keyao Yu
- College of Biology, Hunan University, Changsha, 410082, China
| | - You Li
- College of Biology, Hunan University, Changsha, 410082, China
| | - Meng Zhang
- College of Biology, Hunan University, Changsha, 410082, China
| | - Xinhong Guo
- College of Biology, Hunan University, Changsha, 410082, China.
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145
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Zhong C, Chen C, Gao X, Tan C, Bai H, Ning K. Multi-omics profiling reveals comprehensive microbe-plant-metabolite regulation patterns for medicinal plant Glycyrrhiza uralensis Fisch. PLANT BIOTECHNOLOGY JOURNAL 2022; 20:1874-1887. [PMID: 35668676 PMCID: PMC9491449 DOI: 10.1111/pbi.13868] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 04/04/2022] [Accepted: 06/02/2022] [Indexed: 05/16/2023]
Abstract
Glycyrrhiza uralensis Fisch is a medicinal plant widely used to treat multiple diseases in Europe and Asia, and its efficacy largely depends on liquiritin and glycyrrhizic acid. The regulatory pattern responsible for the difference in efficacy between wild and cultivated G. uralensis remains largely undetermined. Here, we collected roots and rhizosphere soils from wild (WT) G. uralensis as well as those farmed for 1 year (C1) and 3 years (C3), generated metabolite and transcript data for roots, microbiota data for rhizospheres and conducted comprehensive multi-omics analyses. We updated gene structures for all 40 091 genes in G. uralensis, and based on 52 differentially expressed genes, we charted the route-map of both liquiritin and glycyrrhizic acid biosynthesis, with genes BAS, CYP72A154 and CYP88D6 critical for glycyrrhizic acid biosynthesis being significantly expressed higher in wild G. uralensis than in cultivated G. uralensis. Additionally, multi-omics network analysis identified that Lysobacter was strongly associated with CYP72A154, which was required for glycyrrhizic acid biosynthesis. Finally, we developed a holistic multi-omics regulation model that confirmed the importance of rhizosphere microbial community structure in liquiritin accumulation. This study thoroughly decoded the key regulatory mechanisms of liquiritin and glycyrrhizic acid, and provided new insights into the interactions of the plant's key metabolites with its transcriptome, rhizosphere microbes and environment, which would guide future cultivation of G. uralensis.
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Affiliation(s)
- Chaofang Zhong
- Key Laboratory of Molecular Biophysics of the Ministry of Education, Hubei Key Laboratory of Bioinformatics and Molecular‐imaging, Center of AI Biology, Department of Bioinformatics and Systems Biology, College of Life Science and TechnologyHuazhong University of Science and TechnologyWuhanHubeiChina
- Key Laboratory of Karst Biodiversity and Ecological Security, College of Environmental and Life SciencesNanning Normal UniversityNanningChina
| | - Chaoyun Chen
- Key Laboratory of Molecular Biophysics of the Ministry of Education, Hubei Key Laboratory of Bioinformatics and Molecular‐imaging, Center of AI Biology, Department of Bioinformatics and Systems Biology, College of Life Science and TechnologyHuazhong University of Science and TechnologyWuhanHubeiChina
| | - Xi Gao
- Key Laboratory of Molecular Biophysics of the Ministry of Education, Hubei Key Laboratory of Bioinformatics and Molecular‐imaging, Center of AI Biology, Department of Bioinformatics and Systems Biology, College of Life Science and TechnologyHuazhong University of Science and TechnologyWuhanHubeiChina
| | - Chongyang Tan
- Key Laboratory of Molecular Biophysics of the Ministry of Education, Hubei Key Laboratory of Bioinformatics and Molecular‐imaging, Center of AI Biology, Department of Bioinformatics and Systems Biology, College of Life Science and TechnologyHuazhong University of Science and TechnologyWuhanHubeiChina
| | - Hong Bai
- Key Laboratory of Molecular Biophysics of the Ministry of Education, Hubei Key Laboratory of Bioinformatics and Molecular‐imaging, Center of AI Biology, Department of Bioinformatics and Systems Biology, College of Life Science and TechnologyHuazhong University of Science and TechnologyWuhanHubeiChina
| | - Kang Ning
- Key Laboratory of Molecular Biophysics of the Ministry of Education, Hubei Key Laboratory of Bioinformatics and Molecular‐imaging, Center of AI Biology, Department of Bioinformatics and Systems Biology, College of Life Science and TechnologyHuazhong University of Science and TechnologyWuhanHubeiChina
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146
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Yang QX, Chen D, Zhao Y, Zhang XY, Zhao M, Peng R, Sun NX, Baldwin TC, Yang SC, Liang YL. RNA-seq analysis reveals key genes associated with seed germination of Fritillaria taipaiensis P.Y.Li by cold stratification. FRONTIERS IN PLANT SCIENCE 2022; 13:1021572. [PMID: 36247582 PMCID: PMC9555243 DOI: 10.3389/fpls.2022.1021572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 09/08/2022] [Indexed: 06/16/2023]
Abstract
Seed dormancy is an adaptive strategy for environmental evolution. However, the molecular mechanism of the breaking of seed dormancy at cold temperatures is still unclear, and the genetic regulation of germination initiated by exposure to cold temperature requires further investigation. In the initial phase of the current study, the seed coat characteristics and embryo development of Fritillaria taipaiensis P.Y.Li at different temperatures (0°C, 4°C, 10°C & 25°C) was recorded. The results obtained demonstrated that embryo elongation and the dormancy-breaking was most significantly affected at 4°C. Subsequently, transcriptome analyses of seeds in different states of dormancy, at two stratification temperatures (4°C and 25°C) was performed, combined with weighted gene coexpression network analysis (WGCNA) and metabolomics, to explore the transcriptional regulation of seed germination in F. taipaiensis at the two selected stratification temperatures. The results showed that stratification at the colder temperature (4°C) induced an up-regulation of gene expression involved in gibberellic acid (GA) and auxin biosynthesis and the down-regulation of genes related to the abscisic acid (ABA) biosynthetic pathway. Thereby promoting embryo development and the stimulation of seed germination. Collectively, these data constitute a significant advance in our understanding of the role of cold temperatures in the regulation of seed germination in F. taipaiensis and also provide valuable transcriptomic data for seed dormancy for other non-model plant species.
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Affiliation(s)
- Qiu-Xiong Yang
- College of Agronomy & Biotechnology, Yunnan Agricultural University, Kunming, China
- Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural Waseda University, Fengyuan, Kunming, China
- National & Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwestern China, Yunnan Agricultural University, Kunming, China
| | - Dan Chen
- College of Agronomy & Biotechnology, Yunnan Agricultural University, Kunming, China
- Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural Waseda University, Fengyuan, Kunming, China
- National & Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwestern China, Yunnan Agricultural University, Kunming, China
| | - Yan Zhao
- College of Agronomy & Biotechnology, Yunnan Agricultural University, Kunming, China
- Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural Waseda University, Fengyuan, Kunming, China
- National & Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwestern China, Yunnan Agricultural University, Kunming, China
| | - Xiao-Yu Zhang
- College of Agronomy & Biotechnology, Yunnan Agricultural University, Kunming, China
- Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural Waseda University, Fengyuan, Kunming, China
- National & Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwestern China, Yunnan Agricultural University, Kunming, China
| | - Min Zhao
- College of Agronomy & Biotechnology, Yunnan Agricultural University, Kunming, China
- Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural Waseda University, Fengyuan, Kunming, China
- National & Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwestern China, Yunnan Agricultural University, Kunming, China
| | - Rui Peng
- Chongqing Academy of Chinese Materia Medica, Chongqing, China
| | - Nian-Xi Sun
- Chongqing Academy of Chinese Materia Medica, Chongqing, China
| | - Timothy Charles Baldwin
- Faculty of Science and Engineering, University of Wolverhampton, Wolverhampton, United Kingdom
| | - Sheng-Chao Yang
- College of Agronomy & Biotechnology, Yunnan Agricultural University, Kunming, China
- Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural Waseda University, Fengyuan, Kunming, China
- National & Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwestern China, Yunnan Agricultural University, Kunming, China
| | - Yan-Li Liang
- College of Agronomy & Biotechnology, Yunnan Agricultural University, Kunming, China
- Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural Waseda University, Fengyuan, Kunming, China
- National & Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwestern China, Yunnan Agricultural University, Kunming, China
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147
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Identification of Key Genes Related to Dormancy Control in Prunus Species by Meta-Analysis of RNAseq Data. PLANTS 2022; 11:plants11192469. [PMID: 36235335 PMCID: PMC9573011 DOI: 10.3390/plants11192469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/14/2022] [Accepted: 09/16/2022] [Indexed: 11/18/2022]
Abstract
Bud dormancy is a genotype-dependent mechanism observed in Prunus species in which bud growth is inhibited, and the accumulation of a specific amount of chilling (endodormancy) and heat (ecodormancy) is necessary to resume growth and reach flowering. We analyzed publicly available transcriptome data from fifteen cultivars of four Prunus species (almond, apricot, peach, and sweet cherry) sampled at endo- and ecodormancy points to identify conserved genes and pathways associated with dormancy control in the genus. A total of 13,018 genes were differentially expressed during dormancy transitions, of which 139 and 223 were of interest because their expression profiles correlated with endo- and ecodormancy, respectively, in at least one cultivar of each species. The endodormancy-related genes comprised transcripts mainly overexpressed during chilling accumulation and were associated with abiotic stresses, cell wall modifications, and hormone regulation. The ecodormancy-related genes, upregulated after chilling fulfillment, were primarily involved in the genetic control of carbohydrate regulation, hormone biosynthesis, and pollen development. Additionally, the integrated co-expression network of differentially expressed genes in the four species showed clusters of co-expressed genes correlated to dormancy stages and genes of breeding interest overlapping with quantitative trait loci for bloom time and chilling and heat requirements.
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148
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Zhao L, Li M, Ma X, Luo D, Zhou Q, Liu W, Liu Z. Transcriptome analysis and identification of abscisic acid and gibberellin-related genes during seed development of alfalfa (Medicago sativa L.). BMC Genomics 2022; 23:651. [PMID: 36100883 PMCID: PMC9472388 DOI: 10.1186/s12864-022-08875-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 09/06/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Alfalfa (Medicago sativa) is a widely cultivated plant. Unlike many crops, the main goal of breeding alfalfa is to increase its aboveground biomass rather than the biomass of its seeds. However, the low yield of alfalfa seeds limits alfalfa production. Many studies have explored the factors affecting seed development, in which phytohormones, especially ABA and GAs, play an important role in seed development. RESULTS Here, we performed a transcriptome analysis of alfalfa seeds at five development stages. A total of 16,899 differentially expressed genes (DEGs) were identified and classified into 10 clusters, and the enriched Gene Ontology (GO) terms and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways were determined. The contents of ABA, GA1, GA3, GA4 and GA7 in alfalfa seeds at five development stages were determined. In addition, 14 ABA-related DEGs and 20 GA-related DEGs were identified and analysed. These DEGs are involved in plant hormone pathways and play an important role in seed development. Moreover, morphological and physiological analyses revealed the dynamic changes during the development of alfalfa seeds. CONCLUSION Overall, our study is the first to analyse the transcriptome across various stages of seed development in alfalfa. The results of our study could be used to improve alfalfa seed yield. The key ABA and GA related-genes are potential targets for improving alfalfa seed yield via genetic engineering in the future.
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Affiliation(s)
- Lu Zhao
- The State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China
| | - Mingyu Li
- The State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China
| | - Xiaomei Ma
- The State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China
| | - Dong Luo
- The State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China
| | - Qiang Zhou
- The State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China
| | - Wenxian Liu
- The State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China
| | - Zhipeng Liu
- The State Key Laboratory of Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China.
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149
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Bai YL, Yin X, Xiong CF, Cai BD, Wu Y, Zhang XY, Wei Z, Ye T, Feng YQ. Neophaseic acid catabolism in the 9'-hydroxylation pathway of abscisic acid in Arabidopsis thaliana. PLANT COMMUNICATIONS 2022; 3:100340. [PMID: 35585783 PMCID: PMC9482987 DOI: 10.1016/j.xplc.2022.100340] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 05/06/2022] [Accepted: 05/12/2022] [Indexed: 06/15/2023]
Abstract
Abscisic acid (ABA) hydroxylation is an important pathway for ABA inactivation and homeostasis maintenance. Here, we discover a new downstream catabolite of neophaseic acid (neoPA) in the ABA 9'-hydroxyl pathway and identify it as epi-neodihydrophaseic acid (epi-neoDPA) by comparing its accurate mass, retention time, and MSn spectra with those of our chemically synthesized epi-neoDPA. Analyses of Arabidopsis seed germination and ABA-related gene expression reveal that neoPA rather than epi-neoDPA possesses ABA-like hormonal activity. In vitro enzyme activity tests of prokaryotic recombinant protein reveal that NeoPAR1 (neoPA reductase 1) identified from Arabidopsis converts neoPA into epi-neoDPA. Site-directed mutation at Tyr163 in the conserved motif of NeoPAR1 abolishes the catalytic activity of NeoPAR1. Accelerated seed germination was observed in NeoPAR1 knockdown and knockout mutants, whereas retarded seed germination and the accumulation of epi-neoDPA and ABA were observed in NeoPAR1 overexpression lines, suggesting that NeoPAR1 is involved in seed germination and maintenance of ABA homeostasis.
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Affiliation(s)
- Ya-Li Bai
- Department of Chemistry, Wuhan University, Wuhan 430072, P.R. China
| | - Xiaoming Yin
- Department of Chemistry, Wuhan University, Wuhan 430072, P.R. China
| | - Cai-Feng Xiong
- Department of Chemistry, Wuhan University, Wuhan 430072, P.R. China
| | - Bao-Dong Cai
- Department of Chemistry, Wuhan University, Wuhan 430072, P.R. China
| | - Yan Wu
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, P.R. China
| | - Xiao-Yun Zhang
- Department of Chemistry, Lanzhou University, Lanzhou 730000, P.R. China
| | - Zhenwei Wei
- Department of Chemistry, Wuhan University, Wuhan 430072, P.R. China
| | - Tiantian Ye
- Department of Chemistry, Wuhan University, Wuhan 430072, P.R. China.
| | - Yu-Qi Feng
- Department of Chemistry, Wuhan University, Wuhan 430072, P.R. China; Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430072, P.R. China.
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150
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Exogenous Betaine Enhances the Protrusion Vigor of Rice Seeds under Heat Stress by Regulating Plant Hormone Signal Transduction and Its Interaction Network. Antioxidants (Basel) 2022; 11:antiox11091792. [PMID: 36139866 PMCID: PMC9496009 DOI: 10.3390/antiox11091792] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/07/2022] [Accepted: 09/07/2022] [Indexed: 11/16/2022] Open
Abstract
Rice is an important food crop. Rice seedlings are mainly composed of root, coleoptile, mesocotyl and euphylla. The elongation of coleoptile and mesocotyl promotes the emergence of rice seedlings. Therefore, analyzing the mechanism of coleoptile and mesocotyl elongation is important for the cultivation of rice varieties. Due to global warming, heat stress is threatening rice yields. Betaine plays an important role in plant resistance to heat stress; however, we lack research on its regulation mechanism of rice seed germination under heat stress. Therefore, we explored the effects of soaking seeds with betaine at different concentrations on rice seed germination under heat stress. According to the results, soaking seeds with 10 mM of betaine could effectively improve the seeds’ germination potential and rate under heat stress to promote the germination of rice seeds. To clarify the mitigation mechanism of betaine in heat stress, we measured the antioxidant enzyme activity, malondialdehyde content, soluble protein content and endogenous hormone content of seed protrusion under heat stress. We constructed the cDNA library for transcriptome sequencing. According to the results, 10 mM of betaine improved the activities of the superoxide dismutase, peroxidase and catalase of seed protrusion under heat stress to reduce the malondialdehyde content and increase the soluble protein content to alleviate the effect of heat stress on rice seed germination. The detection of the endogenous hormone content showed that soaking seeds with 10 mM of betaine increased the content of gibberellin and decreased the contents of auxin and abscisic acid of seed protrusion under heat stress. According to the transcriptome analysis, betaine can induce the expressions of key genes in the biosynthesis and metabolism of auxin, abscisic acid and gibberellins in the seed coleoptile and mesocotyl elongation stage, regulate the signal transduction of three hormones and promote the germination of rice seeds under heat stress. This study revealed, for the first time, the physiological and molecular regulation mechanism of betaine promotion of seed germination under heat stress.
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