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Li L, Zhang D, Zhang Z, Zhang B. CRISPR/Cas: a powerful tool for designing and improving oil crops. Trends Biotechnol 2024:S0167-7799(24)00253-1. [PMID: 39362812 DOI: 10.1016/j.tibtech.2024.09.007] [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: 06/05/2024] [Revised: 09/09/2024] [Accepted: 09/09/2024] [Indexed: 10/05/2024]
Abstract
Improving oil yield and quality is a major goal for crop breeding, and CRISPR/Cas-mediated genome editing has opened a new era for designing oil crops with enhanced yield and quality. CRISPR/Cas technology can not only increase oil production but also enhance oil quality, including enhancing pharmaceutical and health components, improving oil nutrients, and removing allergic and toxic components. As new molecular targets for oil biosynthesis are discovered and the CRISPR/Cas system is further improved, CRISPR/Cas will become a better molecular tool for designing new oil crops with higher oil production, enhanced nutrients, and improved health components. 'CRISPRized' oil crops will have broad applications both in industry (e.g., as biofuels) and in daily human life.
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Affiliation(s)
- Lijie Li
- Henan Collaborative Innovation Center of Modern Biological Breeding, Henan Key Laboratory for Molecular Ecology and Germplasm Innovation of Cotton and Wheat, and Xinxiang Key Laboratory of Crop Root Biology and Green Efficient Production, School of Life Sciences, Henan Institute of Science and Technology, Xinxiang, Henan 453003, China; Department of Biology, East Carolina University, Greenville, NC 27858, USA.
| | - Dangquan Zhang
- Henan Province Engineering Research Center for Forest Biomass Value-Added Products, College of Forestry, Henan Agricultural University, Zhengzhou, Henan 450002, China.
| | - Zhiyong Zhang
- Henan Collaborative Innovation Center of Modern Biological Breeding, Henan Key Laboratory for Molecular Ecology and Germplasm Innovation of Cotton and Wheat, and Xinxiang Key Laboratory of Crop Root Biology and Green Efficient Production, School of Life Sciences, Henan Institute of Science and Technology, Xinxiang, Henan 453003, China.
| | - Baohong Zhang
- Department of Biology, East Carolina University, Greenville, NC 27858, USA.
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2
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Batelli G, Ruggiero A, Esposito S, Venezia A, Lupini A, Nurcato R, Costa A, Palombieri S, Vitiello A, Mauceri A, Cammareri M, Sunseri F, Grandillo S, Granell A, Abenavoli MR, Grillo S. Combined salt and low nitrate stress conditions lead to morphophysiological changes and tissue-specific transcriptome reprogramming in tomato. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 215:108976. [PMID: 39094482 DOI: 10.1016/j.plaphy.2024.108976] [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: 05/23/2024] [Revised: 07/23/2024] [Accepted: 07/25/2024] [Indexed: 08/04/2024]
Abstract
Despite intense research towards the understanding of abiotic stress adaptation in tomato, the physiological adjustments and transcriptome modulation induced by combined salt and low nitrate (low N) conditions remain largely unknown. Here, three traditional tomato genotypes were grown under long-term single and combined stresses throughout a complete growth cycle. Physiological, molecular, and growth measurements showed extensive morphophysiological modifications under combined stress compared to the control, and single stress conditions, resulting in the highest penalty in yield and fruit size. The mRNA sequencing performed on both roots and leaves of genotype TRPO0040 indicated that the transcriptomic signature in leaves under combined stress conditions largely overlapped that of the low N treatment, whereas root transcriptomes were highly sensitive to salt stress. Differentially expressed genes were functionally interpreted using GO and KEGG enrichment analysis, which confirmed the stress and the tissue-specific changes. We also disclosed a set of genes underlying the specific response to combined conditions, including ribosome components and nitrate transporters, in leaves, and several genes involved in transport and response to stress in roots. Altogether, our results provide a comprehensive understanding of above- and below-ground physiological and molecular responses of tomato to salt stress and low N treatment, alone or in combination.
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Affiliation(s)
- Giorgia Batelli
- National Research Council of Italy, Institute of Biosciences and BioResources, Research Division Portici (CNR-IBBR), Portici, 80055, Italy
| | - Alessandra Ruggiero
- National Research Council of Italy, Institute of Biosciences and BioResources, Research Division Portici (CNR-IBBR), Portici, 80055, Italy
| | - Salvatore Esposito
- National Research Council of Italy, Institute of Biosciences and BioResources, Research Division Portici (CNR-IBBR), Portici, 80055, Italy
| | - Accursio Venezia
- Research Centre for Vegetable and Ornamental Crops, Council for Agricultural Research and Economics (CREA-OF), 84098, Pontecagnano Faiano, Italy
| | - Antonio Lupini
- Department of Agraria, University Mediterranea of Reggio Calabria, Reggio Calabria, Italy
| | - Roberta Nurcato
- National Research Council of Italy, Institute of Biosciences and BioResources, Research Division Portici (CNR-IBBR), Portici, 80055, Italy
| | - Antonello Costa
- National Research Council of Italy, Institute of Biosciences and BioResources, Research Division Portici (CNR-IBBR), Portici, 80055, Italy
| | - Samuela Palombieri
- National Research Council of Italy, Institute of Biosciences and BioResources, Research Division Portici (CNR-IBBR), Portici, 80055, Italy
| | - Antonella Vitiello
- National Research Council of Italy, Institute of Biosciences and BioResources, Research Division Portici (CNR-IBBR), Portici, 80055, Italy
| | - Antonio Mauceri
- Department of Agraria, University Mediterranea of Reggio Calabria, Reggio Calabria, Italy
| | - Maria Cammareri
- National Research Council of Italy, Institute of Biosciences and BioResources, Research Division Portici (CNR-IBBR), Portici, 80055, Italy
| | - Francesco Sunseri
- Department of Agraria, University Mediterranea of Reggio Calabria, Reggio Calabria, Italy
| | - Silvana Grandillo
- National Research Council of Italy, Institute of Biosciences and BioResources, Research Division Portici (CNR-IBBR), Portici, 80055, Italy
| | - Antonio Granell
- Instituto de Biología Molecular y Celular de Plantas (IBMCP). Consejo Superior de Investigaciones Científicas (CSIC), Universitat Politècnica de València, València, Spain
| | - Maria Rosa Abenavoli
- Department of Agraria, University Mediterranea of Reggio Calabria, Reggio Calabria, Italy.
| | - Stefania Grillo
- National Research Council of Italy, Institute of Biosciences and BioResources, Research Division Portici (CNR-IBBR), Portici, 80055, Italy.
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3
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Wei H, Xu T, Luo C, Ma D, Yang F, Yang P, Zhou X, Liu G, Lian B, Zhong F, Zhang J. Salix matsudana fatty acid desaturases: Identification, classification, evolution, and expression profiles for development and stress tolerances. Int J Biol Macromol 2024; 278:134574. [PMID: 39122077 DOI: 10.1016/j.ijbiomac.2024.134574] [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: 04/14/2024] [Revised: 07/24/2024] [Accepted: 08/06/2024] [Indexed: 08/12/2024]
Abstract
Fatty acid desaturases (FADs) are enzymes that transform carbon‑carbon single bonds into carbon‑carbon double bonds within acyl chains, resulting in the production of unsaturated FAs (UFAs). They are crucial for plant growth, development, and adaptation to environmental stress. In our research, we identified 40 FAD candidates in the Salix matsudana genome, grouping them into seven categories. Exon-intron structures and conserved motifs of SmFADs within the same group showed significant conservation. Cis-element analysis revealed SmFADs are responsive to hormones and stress. Additionally, GO and KEGG analyses linked SmFADs closely with lipid biosynthesis and UFA biosynthesis, which were crucial for the plant's response to environmental stresses. Notably, the SmFAB2.4, SmADS1, SmFAD7.5, and SmFAD8.2 were predicted to participate in submergence tolerance, whereas SmFAD8.1 and SmFAD7.1 played an essential role in salt stress response. The diverse expression profiles of SmFADs across willow varieties, in various tissues, and throughout the willow bud development stages revealed a spectrum of functional diversity for these genes. Moreover, specific SmFADs might play a crucial role in callus development and the response to culturing conditions in various willow cultivars. This research underscored the importance of SmFAD profiles and functions and identified potential genes for enhancing forest resilience.
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Affiliation(s)
- Hui Wei
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, China; Key Lab of Landscape Plant Genetics and Breeding, Nantong 226000, China
| | - Tiantian Xu
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, China; Key Lab of Landscape Plant Genetics and Breeding, Nantong 226000, China
| | - Chunying Luo
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, China; Key Lab of Landscape Plant Genetics and Breeding, Nantong 226000, China
| | - Duojin Ma
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, China; Key Lab of Landscape Plant Genetics and Breeding, Nantong 226000, China
| | - Fan Yang
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, China; Key Lab of Landscape Plant Genetics and Breeding, Nantong 226000, China
| | - Peijian Yang
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, China; Key Lab of Landscape Plant Genetics and Breeding, Nantong 226000, China
| | - Xiaoxi Zhou
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, China; Key Lab of Landscape Plant Genetics and Breeding, Nantong 226000, China
| | - Guoyuan Liu
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, China; Key Lab of Landscape Plant Genetics and Breeding, Nantong 226000, China
| | - Bolin Lian
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, China; Key Lab of Landscape Plant Genetics and Breeding, Nantong 226000, China.
| | - Fei Zhong
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, China; Key Lab of Landscape Plant Genetics and Breeding, Nantong 226000, China.
| | - Jian Zhang
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, China; Key Lab of Landscape Plant Genetics and Breeding, Nantong 226000, China.
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4
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Fang X, Jia Z, Yu T, Rui P, Zheng H, Lu Y, Peng J, Rao S, Wu J, Chen J, Yan F, Wu G. FATTY ACID DESATURASE4 enhances plant RNA virus replication and undergoes host vacuolar ATPase-mediated degradation. PLANT PHYSIOLOGY 2024; 196:1502-1517. [PMID: 38935533 DOI: 10.1093/plphys/kiae350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 05/14/2024] [Accepted: 05/14/2024] [Indexed: 06/29/2024]
Abstract
Emerging evidence indicates that fatty acid (FA) metabolic pathways regulate host immunity to vertebrate viruses. However, information on FA signaling in plant virus infection remains elusive. In this study, we demonstrate the importance of fatty acid desaturase (FAD), an enzyme that catalyzes the rate-limiting step in the conversion of saturated FAs into unsaturated FAs, during infection by a plant RNA virus. We previously found that the rare Kua-ubiquitin-conjugating enzyme (Kua-UEV1) fusion protein FAD4 from Nicotiana benthamiana (NbFAD4) was downregulated upon turnip mosaic virus (TuMV) infection. We now demonstrate that NbFAD4 is unstable and is degraded as TuMV infection progresses. NbFAD4 is required for TuMV replication, as it interacts with TuMV replication protein 6K2 and colocalizes with viral replication complexes. Moreover, NbFAD4 overexpression dampened the accumulation of immunity-related phytohormones and FA metabolites, and its catalytic activity appears to be crucial for TuMV infection. Finally, a yeast 2-hybrid library screen identified the vacuolar H+-ATPase component ATP6V0C as involved in NbFAD4 degradation and further suppression of TuMV infection. This study reveals the intricate role of FAD4 in plant virus infection, and sheds light on a new mechanism by which a V-ATPase is involved in plant antiviral defense.
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Affiliation(s)
- Xinxin Fang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo 315211, China
| | - Zhaoxing Jia
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo 315211, China
| | - Tianqi Yu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo 315211, China
| | - Penghuan Rui
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo 315211, China
| | - Hongying Zheng
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo 315211, China
| | - Yuwen Lu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo 315211, China
| | - Jiejun Peng
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo 315211, China
| | - Shaofei Rao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo 315211, China
| | - Jian Wu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo 315211, China
| | - Jianping Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo 315211, China
| | - Fei Yan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo 315211, China
| | - Guanwei Wu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province, Institute of Plant Virology, Ningbo University, Ningbo 315211, China
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5
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Wang Z, Qu L, Fan Z, Hou L, Hu J, Wang L. Dynamic Metabolic Responses of Resistant and Susceptible Poplar Clones Induced by Hyphantria cunea Feeding. BIOLOGY 2024; 13:723. [PMID: 39336150 PMCID: PMC11428749 DOI: 10.3390/biology13090723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2024] [Revised: 08/28/2024] [Accepted: 09/13/2024] [Indexed: 09/30/2024]
Abstract
Poplar trees are significant for both economic and ecological purposes, and the fall webworm (Hyphantria cunea Drury) poses a major threat to their plantation in China. The preliminary resistance assessment in the previous research indicated that there were differences in resistance to the insect among these varieties, with '2KEN8' being more resistant and 'Nankang' being more susceptible. The present study analyzed the dynamic changes in the defensive enzymes and metabolic profiles of '2KEN8' and 'Nankang' at 24 hours post-infestation (hpi), 48 hpi, and 96 hpi. The results demonstrated that at the same time points, compared to susceptible 'Nankang', the leaf consumption by H. cunea in '2KEN8' was smaller, and the larval weight gain was slower, exhibiting clear resistance to the insect. Biochemical analysis revealed that the increased activity of the defensive enzymes in '2KEN8' triggered by the feeding of H. cunea was significantly higher than that of 'Nankang'. Metabolomics analysis indicated that '2KEN8' initiated an earlier and more intense reprogramming of the metabolic profile post-infestation. In the early stages of infestation, the differential metabolites induced in '2KEN8' primarily included phenolic compounds, flavonoids, and unsaturated fatty acids, which are related to the biosynthesis pathways of phenylpropanoids, flavonoids, unsaturated fatty acids, and jasmonates. The present study is helpful for identifying the metabolic biomarkers for inductive resistance to H. cunea and lays a foundation for the further elucidation of the chemical resistance mechanism of poplar trees against this insect.
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Affiliation(s)
- Zheshu Wang
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation of the State Forestry Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
| | - Liangjian Qu
- Key Laboratory of Forest Protection of National Forestry and Grassland Administration, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing 100091, China
| | - Zhibin Fan
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation of the State Forestry Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
| | - Luxuan Hou
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation of the State Forestry Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
| | - Jianjun Hu
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation of the State Forestry Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China
| | - Lijuan Wang
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation of the State Forestry Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China
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Wang JX, Zhang Y, Hu J, Li YF, Egorovich KV, Nikolaevna PN, Vasilevich MV, Zhang ZF, Tang ZH. Metabolomics combined with physiology reveal how white clover (Trifolium repens L.) respond to 6PPD stress. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 954:176121. [PMID: 39260487 DOI: 10.1016/j.scitotenv.2024.176121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2024] [Revised: 09/02/2024] [Accepted: 09/05/2024] [Indexed: 09/13/2024]
Abstract
As a ubiquitous tire antioxidant, N-(1,3-Dimethyl-butyl)-N'-phenyl-p-phenylene- diamine (6PPD) exists widely in various environmental media and has been detected at high levels in the environment. However, the effects of 6PPD on plants are still poorly understood. In this study, a hydroponic experiment was carried out to investigate the response of white clover (Trifolium repens L.) stressed by 6PPD on physiology and metabolomics. The results indicated that the length of stem and root, as well as biomass were significantly reduced after 500 μg L-1 6PPD treatment. Photosynthetic performances including photosynthetic rate (Pn), stomatal conductance (Gs), intercellular CO2 concentration (Ci), transpiration rate (Tr) and chlorophyll content of leaves decreased in all treatments except 500 μg L-1 of 6PPD. The malondialdehyde (MDA) content in the shoot of white clover increased by 66.33 % when exposed to 500 μg L-1 of 6PPD compared to control group (CK). Hydrogen peroxide and superoxide anion presented a U-shape trend and began to increase at 500 μg L-1. Besides, peroxidase and catalase significantly decreased compared to CK after exposure to 500 μg L-1. Metabolic analysis of clover showed that 6PPD treatment induced changes in 10 metabolic pathways of white clover. Metabolites were significantly down-regulated after exposure to 500 μg L-1 in shoot, while significantly down-regulated in all treatment groups except 500 μg L-1 in root. These findings may provide a novel perspective for phytotoxicity assessment and phytoremediation of 6PPD.
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Affiliation(s)
- Jian-Xin Wang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, China; Key Laboratory of Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Ye Zhang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, China; Key Laboratory of Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Jie Hu
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, China; Key Laboratory of Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Yi-Fan Li
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China; International Joint Research Center for Arctic Environment and Ecosystem (IJRC-AEE), Polar Academy, Harbin Institute of Technology, Harbin 150090, China
| | | | | | - Mukhin Vasilii Vasilevich
- Institute of Natural Sciences, M.K. Ammosov North-Eastern Federal University, Yakutsk 677000, Russia
| | - Zi-Feng Zhang
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China; International Joint Research Center for Arctic Environment and Ecosystem (IJRC-AEE), Polar Academy, Harbin Institute of Technology, Harbin 150090, China.
| | - Zhong-Hua Tang
- College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, China; Key Laboratory of Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150040, China.
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Li J, Zhang Q, Chen H, Xu D, Chen Z, Wen Y. Dynamic changes of fatty acids and (R)-dichlorprop toxicity in Arabidopsis thaliana: correlation, mechanism, and implications. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:55522-55534. [PMID: 39235754 DOI: 10.1007/s11356-024-34888-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 08/28/2024] [Indexed: 09/06/2024]
Abstract
Plant fatty acids (FAs) are critical components of lipids and play an important role in coping with pollution-induced stress. However, the relationship between the fluctuating changes of FAs and the toxic effects of pollutants is not clear. Here, we analyzed and identified 19 FAs, namely 14 medium and long chain fatty acids (MLCFAs) and 5 very long chain fatty acids (VLCFAs). First, a positive correlation between plant biomass and LCFA content was observed. Changes in unsaturation were inversely related to cell membrane permeability, which serves as an indicator of the toxic effects. In particular, the use of herbicides led to a reduction in total FA content, but caused a significant increase in free fatty acids (FFAs), which facilitate oxidative stress. In addition, supplementation with exogenous FAs, particularly linoleic and alpha-linolenic acids, effectively alleviated the toxic inhibition. (R)-dichlorprop causes abnormal FA metabolism that can be reversed by ferrostatin-1, a ferroptosis inhibitor. Under (R)-dichlorprop exposure, the balance of FA unsaturation in plants is disrupted by inhibition of FA desaturase activity, ultimately leading to ferroptosis and disruption of cell membrane integrity. This study aims to enhance the understanding of the ecotoxic effects of herbicides by examining changes in FAs. The findings will provide a scientific basis for controlling environmental risks associated with hazardous substances.
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Affiliation(s)
- Jun Li
- MOE Key Laboratory of Environmental Remediation & Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Qiushui Zhang
- MOE Key Laboratory of Environmental Remediation & Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Hui Chen
- College of Science and Technology, Ningbo University, Ningbo, 315211, China
| | - Dongmei Xu
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, College of Biological and Environmental Engineering, Zhejiang Shuren University, Hangzhou, 310015, China
| | - Zunwei Chen
- Program in Molecular and Integrative Physiological Sciences, Department of Environmental Health, Harvard University T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Yuezhong Wen
- MOE Key Laboratory of Environmental Remediation & Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China.
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8
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Zhou L, Wu Q, Yang Y, Li Q, Li R, Ye J. Regulation of Oil Biosynthesis and Genetic Improvement in Plants: Advances and Prospects. Genes (Basel) 2024; 15:1125. [PMID: 39336716 PMCID: PMC11431182 DOI: 10.3390/genes15091125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2024] [Revised: 08/23/2024] [Accepted: 08/25/2024] [Indexed: 09/30/2024] Open
Abstract
Triglycerides are the main storage form of oil in plant seeds. Both fatty acids and triglycerides possess important functions in the process of plant growth and development. To improve the seed oil content and improve its fatty acid composition, this paper analyzed the research progress on the oil regulation and synthesis metabolism process of plant seeds and summarized the strategies for the improvement of plant seed oil: (a) To regulate carbon distribution by inhibiting the expression of genes encoding key enzymes, allocating carbon sources into the protein synthesis pathway, and enhancing the expression of key genes encoding key enzymes, leading carbon sources into the synthesis pathway of fatty acids; (b) To intervene in lipid synthesis by promoting the biosynthesis of fatty acids and improving the expression level of key genes encoding enzymes in the triacylglycerol (TAG) assembly process; (c) To improve seed oil quality by altering the plant fatty acid composition and regulating the gene expression of fatty acid desaturase, as well as introducing an exogenous synthesis pathway of long chain polyunsaturated fatty acids; (d) To regulate the expression of transcription factors for lipid synthesis metabolism to increase the seed oil content. In addition, this article reviews the key enzymes involved in the biosynthesis of plant fatty acids, the synthesis of triacylglycerol, and the regulation process. It also summarizes the regulatory roles of transcription factors such as WRI, LEC, and Dof on the key enzymes during the synthesis process. This review holds significant implications for research on the genetic engineering applications in plant seed lipid metabolism.
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Affiliation(s)
- Lixia Zhou
- National Key Laboratory for Tropical Crop Breeding, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China (Y.Y.); (Q.L.); (R.L.)
- Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wenchang 571339, China
| | - Qiufei Wu
- National Key Laboratory for Tropical Crop Breeding, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China (Y.Y.); (Q.L.); (R.L.)
- Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wenchang 571339, China
| | - Yaodong Yang
- National Key Laboratory for Tropical Crop Breeding, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China (Y.Y.); (Q.L.); (R.L.)
- Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wenchang 571339, China
| | - Qihong Li
- National Key Laboratory for Tropical Crop Breeding, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China (Y.Y.); (Q.L.); (R.L.)
- Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wenchang 571339, China
| | - Rui Li
- National Key Laboratory for Tropical Crop Breeding, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China (Y.Y.); (Q.L.); (R.L.)
- Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wenchang 571339, China
| | - Jianqiu Ye
- National Key Laboratory for Tropical Crop Breeding, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China (Y.Y.); (Q.L.); (R.L.)
- Coconut Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wenchang 571339, China
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Yang D, Wang R, Lai H, He Y, Chen Y, Xun C, Zhang Y, He Z. Comparative Transcriptomic and Lipidomic Analysis of Fatty Acid Accumulation in Three Camellia oleifera Varieties During Seed Maturing. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:18257-18270. [PMID: 39084609 PMCID: PMC11328181 DOI: 10.1021/acs.jafc.4c03614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/02/2024]
Abstract
Camellia oleifera, a major woody oil crop in China, produces tea oil rich in unsaturated fatty acids, earning it names like liquid gold and eastern olive oil. This study provides an integrated investigation of the transcriptome and lipidome within seeds at the maturing process across three C. oleifera varieties, revealing a significant relationship between fatty acid production and genes involved in lipid synthesis. Through transcriptomic analysis, 26,344 genes with varied expression were found. Functional enrichment analysis highlighted that pathways related to starch and sucrose metabolism, plant hormone signal transduction, and lipid accumulation were highly enriched among the differentially expressed genes. Coordinated high expression of key genes (ACCase, KAS I, KAS II, KAS III, KAR, HAD, EAR, SAD, LPAAT, LACS, DGAT, PDAT) during the late maturation stage contributes largely to high oil content. Additionally, expression variations of SAD and FADs among different varieties were explored. The analysis suggests that high expression of genes such as FAD3, FAD7, and FAD8 notably increased linolenic acid content. This research provides new insights into the molecular mechanisms of oil biosynthesis in C. oleifera, offering valuable references for improving yield and quality.
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Affiliation(s)
- Dayu Yang
- School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Rui Wang
- Research Institute of Oil Tea Camellia, Hunan Academy of Forestry, Changsha 410004, China
- National Engineering Research Center for Oil-Tea Camellia, State Key Laboratory of Utilization of Woody Oil Resource, Hunan Academy of Forestry, Changsha 410116, China
| | - Hanggui Lai
- School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Yimin He
- School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Yongzhong Chen
- Research Institute of Oil Tea Camellia, Hunan Academy of Forestry, Changsha 410004, China
- National Engineering Research Center for Oil-Tea Camellia, State Key Laboratory of Utilization of Woody Oil Resource, Hunan Academy of Forestry, Changsha 410116, China
| | - Chengfeng Xun
- Research Institute of Oil Tea Camellia, Hunan Academy of Forestry, Changsha 410004, China
- National Engineering Research Center for Oil-Tea Camellia, State Key Laboratory of Utilization of Woody Oil Resource, Hunan Academy of Forestry, Changsha 410116, China
| | - Ying Zhang
- Research Institute of Oil Tea Camellia, Hunan Academy of Forestry, Changsha 410004, China
- National Engineering Research Center for Oil-Tea Camellia, State Key Laboratory of Utilization of Woody Oil Resource, Hunan Academy of Forestry, Changsha 410116, China
| | - Zhilong He
- Research Institute of Oil Tea Camellia, Hunan Academy of Forestry, Changsha 410004, China
- National Engineering Research Center for Oil-Tea Camellia, State Key Laboratory of Utilization of Woody Oil Resource, Hunan Academy of Forestry, Changsha 410116, China
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10
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Wan X, Sun D, Nie Y, Wang Q, Zhang T, Wang R, Li F, Zhao X, Gao C. Analysis and evaluation of Camellia oleifera Abel. Germplasm fruit traits from the high-altitude areas of East Guizhou Province, China. Sci Rep 2024; 14:18440. [PMID: 39117844 PMCID: PMC11310447 DOI: 10.1038/s41598-024-69454-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 08/05/2024] [Indexed: 08/10/2024] Open
Abstract
Camellia oleifera, a significant woody edible oil species, was examined using 48 germplasm resources from high-altitude regions in East Guizhou Province, China, to analyze fruit quality. The analysis aimed to identify high-performance germplasm, providing theoretical and research foundations for selecting and cross-breeding superior C. oleifera varieties in these regions. Fifteen primary traits of mature fruits were measured and analyzed, including four phenotypic traits (single fruit weight, transverse diameter, longitudinal diameter, peel thickness) and eleven quality traits (fresh seed yield rate, dry seed yield rate, dry kernel yield rate, seed kernel oil content, palmitic acid, palmitoleic acid, stearic acid, oleic acid, linoleic acid, α-linolenic acid, cis-11-eicosenoic acid). A comprehensive evaluation employing cluster and principal component analyses (PCA) was conducted. The cluster analysis categorized the germplasms into five groups at a squared Euclidean distance of 14, with the first category comprising 17 germplasms, the second 28, and the third, fourth, and fifth each containing one. PCA reduced the 15 traits to five principal components (PCs), with PC1 having the highest eigenvalue of 3.57 and a contribution rate of 23.8%, mainly representing phenotypic traits. PC2, contributing 20.44%, represented linoleic acid, while PC3, PC4, and PC5, with contribution rates of 12.99%, 9.13%, and 7.45% respectively, predominantly represented seed kernel oil content, fresh seed yield, and palmitoleic acid. Employing a weighted sum method, a comprehensive evaluation function was developed to calculate total scores for each superior individual, forming the basis for rankings and selections. Notable variability was detected in single fruit weight, peel thickness, and fresh and dry seed yields, while oleic acid exhibited the lowest coefficient of variation. Dry seed yield showed a robust positive correlation with seed kernel oil content and the concentrations of palmitic and linoleic acids, whereas seed kernel oil content was inversely correlated with cis-11-eicosenoic acid levels. Five PCs with eigenvalues > 1 were identified, highlighting the top ten superior individuals: QD (Qian Dong: the code of eastern Guizhou Province)-33 > QD-34 > QD-48 > QD-38 > QD-27 > QD-15 > QD-35 > QD-5 > QD-14 > QD-36. Thus, the 48 C. oleifera germplasms from East Guizhou's high-altitude areas demonstrate significant potential for enhancing traits such as single fruit weight, peel thickness, and fresh and dry seed yields. Specifically, QD-33, QD-34, and QD-48 exhibited superior comprehensive performance, designating them as prime candidates for variety selection and breeding.
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Affiliation(s)
- Xianqin Wan
- Institute for Forest Resources and Environment of Guizhou/Key Laboratory of Forest Cultivation in Plateau Mountain of Guizhou Province/College of Forestry, Guizhou University, Guiyang, 550025, China
| | - Dongchan Sun
- Institute for Forest Resources and Environment of Guizhou/Key Laboratory of Forest Cultivation in Plateau Mountain of Guizhou Province/College of Forestry, Guizhou University, Guiyang, 550025, China
| | - Yanmei Nie
- Institute for Forest Resources and Environment of Guizhou/Key Laboratory of Forest Cultivation in Plateau Mountain of Guizhou Province/College of Forestry, Guizhou University, Guiyang, 550025, China
| | - Qimei Wang
- Institute for Forest Resources and Environment of Guizhou/Key Laboratory of Forest Cultivation in Plateau Mountain of Guizhou Province/College of Forestry, Guizhou University, Guiyang, 550025, China
| | - Tianfeng Zhang
- Institute for Forest Resources and Environment of Guizhou/Key Laboratory of Forest Cultivation in Plateau Mountain of Guizhou Province/College of Forestry, Guizhou University, Guiyang, 550025, China
| | - Rui Wang
- Institute for Forest Resources and Environment of Guizhou/Key Laboratory of Forest Cultivation in Plateau Mountain of Guizhou Province/College of Forestry, Guizhou University, Guiyang, 550025, China
| | - Feifei Li
- Institute for Forest Resources and Environment of Guizhou/Key Laboratory of Forest Cultivation in Plateau Mountain of Guizhou Province/College of Forestry, Guizhou University, Guiyang, 550025, China
| | - Xudong Zhao
- Institute for Forest Resources and Environment of Guizhou/Key Laboratory of Forest Cultivation in Plateau Mountain of Guizhou Province/College of Forestry, Guizhou University, Guiyang, 550025, China
| | - Chao Gao
- Institute for Forest Resources and Environment of Guizhou/Key Laboratory of Forest Cultivation in Plateau Mountain of Guizhou Province/College of Forestry, Guizhou University, Guiyang, 550025, China.
- Postdoctoral Research Station, Guizhou Yuping Qianlin Forestry Investment Co., LTD., Tongren, 554300, China.
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11
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Fu Y, Ou Q, Ye L, You H, Wang Z, Yi A, Wang J, Niu J. The Evolution of Lipidomics during Oil Accumulation of Plukenetia volubilis Seeds. PLANTS (BASEL, SWITZERLAND) 2024; 13:2193. [PMID: 39204629 PMCID: PMC11360747 DOI: 10.3390/plants13162193] [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: 07/05/2024] [Revised: 08/02/2024] [Accepted: 08/06/2024] [Indexed: 09/04/2024]
Abstract
Sacha inchi (Plukenetia volubilis) is a valuable oilseed crop with a high content of polyunsaturated fatty acids (PUFAs). However, there is a lack of in-depth understanding of the lipidomics in Sacha inchi seeds (SIDs). Saturated fatty acids occupied more than half of the proportion (59.31%) in early development, while PUFAs accounted for 78.92% at maturation. The main triacylglycerols were TAG(18:3/18:3/18:3), TAG(18:2/18:2/18:3), and TAG(16:0/18:2/18:2). The corresponding species (18:3/18:3, 18:2/18:2, and 16:0/18:2) were also the main ingredients in diacylglycerol and phosphatidic acid, indicating high PUFA composition in the sn-1 and sn-2 positions of TAG. Only LPC(18:3), LPC(18:2), and LPC(16:0) were identified in SIDs, implying that those PUFAs on the sn-2 positions of the PC(18:3/-), PC(18:2/-), and PC(16:0/-) categories were released into the acyl-CoA pool for the Kennedy pathway. Conversely, the PC(18:1/-) and PC(18:0/-) categories might be responsible for the generation of PC-derived DAG and TAG. The lipidomics data will contribute to understanding the TAG assembly in developing SIDs, especially for PUFAs.
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Affiliation(s)
- Yijun Fu
- Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants-Ministry of Education, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China; (Y.F.); (Q.O.); (L.Y.); (H.Y.); (Z.W.); (A.Y.)
- School of Information and Communication Engineering, Hainan University, Haikou 570228, China
| | - Qiongjian Ou
- Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants-Ministry of Education, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China; (Y.F.); (Q.O.); (L.Y.); (H.Y.); (Z.W.); (A.Y.)
| | - Lixuan Ye
- Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants-Ministry of Education, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China; (Y.F.); (Q.O.); (L.Y.); (H.Y.); (Z.W.); (A.Y.)
| | - Huiyan You
- Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants-Ministry of Education, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China; (Y.F.); (Q.O.); (L.Y.); (H.Y.); (Z.W.); (A.Y.)
| | - Zhaohui Wang
- Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants-Ministry of Education, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China; (Y.F.); (Q.O.); (L.Y.); (H.Y.); (Z.W.); (A.Y.)
| | - Ao Yi
- Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants-Ministry of Education, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China; (Y.F.); (Q.O.); (L.Y.); (H.Y.); (Z.W.); (A.Y.)
| | - Jia Wang
- Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants-Ministry of Education, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China; (Y.F.); (Q.O.); (L.Y.); (H.Y.); (Z.W.); (A.Y.)
| | - Jun Niu
- Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants-Ministry of Education, School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China; (Y.F.); (Q.O.); (L.Y.); (H.Y.); (Z.W.); (A.Y.)
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12
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Kumachova TK, Voronkov AS. Cutinsomes of Malus Mill. (Rosaceae) leaf and pericarp: genesis, localization, and transport. Micron 2024; 183:103657. [PMID: 38735105 DOI: 10.1016/j.micron.2024.103657] [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: 03/07/2024] [Revised: 05/04/2024] [Accepted: 05/06/2024] [Indexed: 05/14/2024]
Abstract
New data were obtained on specific bionanostructures, cutinsomes, which are involved in the formation of cuticles on the surface of leaf blades and pericarp of Malus domestica Borkh (Malus Mill., Rosaceae)introduced to the mountains at the altitudes of 1200 and 1700 m above sea level. Cutinsomes, which are electron-dense structures of spherical shape, have been identified by transmission electron microscopy. It was demonstrated that plastids can be involved in the synthesis of their constituent nanocomponents. The greatest number of nanoparticles was observed in the granal thylakoid lumen of the chloroplasts in palisade mesophyll cells and pericarp hypodermal cells. The transmembrane transport of cutinsomes into the cell wall cuticle proper by exocytosis has been visualized for the first time. The plasma membrane is directly involved in the excretion of nanostructures from the cell. Nanoparticles of cutinsomes in the form of necklace-like formations line up in a chain near cell walls, merge into larger conglomerates and are loaded into plasmalemma invaginations, and then, in membrane packing, they move into the cuticle, which covers both outer and inner cell walls of external tissues. The original materials obtained by us supplement the ideas about the non-enzymatic synthesis of cuticle components available in the literature and expand the cell compartment geography involved in this process.
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Affiliation(s)
- Tamara Kh Kumachova
- Russian State Agrarian University - Moscow Timiryazev Agricultural Academy, Timiryazevskaya 49, Moscow 127550, Russia
| | - Alexander S Voronkov
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya 35, Moscow 127276, Russia.
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Wang H, Shi J, Guo W, Sun X, Niu S, Chen L, Liu S, Ma L. The identification and expression analysis of walnut Acyl-ACP thioesterases. Front Genet 2024; 15:1409159. [PMID: 39135682 PMCID: PMC11317280 DOI: 10.3389/fgene.2024.1409159] [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: 03/29/2024] [Accepted: 07/15/2024] [Indexed: 08/15/2024] Open
Abstract
Walnuts (Juglans regia L.), renowned for their nutritional potency, are a rich source of unsaturated fatty acids. Their regular intake plays a pivotal role in health maintenance and recuperation from a myriad of ailments. Fatty acyl-acyl carrier protein thioesterases, which orchestrate the hydrolysis of acyl-ACP thioester bonds, thereby yielding fatty acids of varying chain lengths, are instrumental in augmenting plant fatty acid content and modulating the balance between saturated and unsaturated fatty acids. Despite some investigative efforts into the synthesis and metabolic pathways of fatty acids in walnuts, our comprehension of Fat in walnuts remains rudimentary. This research undertook a comprehensive characterization of the JrFat family, predicated on the complete genome sequence of walnuts, leading to the identification of 8 JrFat genes and an exploration of their protein physicochemical properties. Utilizing Arabidopsis and soybean Fat genes as outgroups, JrFat genes can be categorized into 5 distinct subgroups, three of which encompass a pair of homologous gene pairs. These genes have demonstrated remarkable conservation throughout the evolutionary process, with highly analogous conserved base sequences. The promoter region of JrFats genes predominantly harbors light response and plant hormone response regulatory elements, with no discernible disparity in promoter elements among different JrFats. Predictive analyses indicate that JrFats proteins engage extensively with walnut fatty acid synthesis and metabolism-associated proteins. qRT-PCR analysis reveals an initial surge in the expression of JrFats during the development of walnut kernels, which either stabilizes or diminishes following the hard core period. Homologous gene pairs exhibit analogous expression patterns, and the expression trajectory of JrFats aligns with the dynamic accumulation of fatty acids in kernels. The expression of JrFatA2 exhibits a strong correlation with the content of Alpha-linolenic acid, while the expression of JrFatB2 is inversely correlated with the content of two saturated fatty acids. Collectively, these findings enrich our understanding of fatty acid synthesis and metabolism in walnuts and furnish gene resources for enhancing the content and ratio of fatty acids in walnuts.
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Affiliation(s)
- Hui Wang
- Key Laboratory of Agro-Products Quality and Safety of Xinjiang, Institute of Agricultural Quality Standards and Testing Technology, Xinjiang Academy of Agricultural Sciences, Ürümqi, China
| | - Jianqing Shi
- Jiepin Planting Farmers’ Professional Cooperative, Maigaiti, China
| | - Wanhui Guo
- Key Laboratory of Agro-Products Quality and Safety of Xinjiang, Institute of Agricultural Quality Standards and Testing Technology, Xinjiang Academy of Agricultural Sciences, Ürümqi, China
| | - Xiaohui Sun
- Key Laboratory of Agro-Products Quality and Safety of Xinjiang, Institute of Agricultural Quality Standards and Testing Technology, Xinjiang Academy of Agricultural Sciences, Ürümqi, China
| | - Shuhui Niu
- Key Laboratory of Agro-Products Quality and Safety of Xinjiang, Institute of Agricultural Quality Standards and Testing Technology, Xinjiang Academy of Agricultural Sciences, Ürümqi, China
| | - Li Chen
- College of Food Science and Pharmacy, Xinjiang Agricultural University, Ürümqi, China
| | - Shenghong Liu
- Key Laboratory of Agro-Products Quality and Safety of Xinjiang, Institute of Agricultural Quality Standards and Testing Technology, Xinjiang Academy of Agricultural Sciences, Ürümqi, China
| | - Lei Ma
- Key Laboratory of Agro-Products Quality and Safety of Xinjiang, Institute of Agricultural Quality Standards and Testing Technology, Xinjiang Academy of Agricultural Sciences, Ürümqi, China
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14
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Valenčič V, Bučar-Miklavčič M, Podgornik M. Bioactive Compounds in the Oils of the Autochthonous Slovenian Olive Varieties 'Buga', 'Črnica' and 'Drobnica'. PLANTS (BASEL, SWITZERLAND) 2024; 13:1995. [PMID: 39065522 PMCID: PMC11281259 DOI: 10.3390/plants13141995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 07/12/2024] [Accepted: 07/18/2024] [Indexed: 07/28/2024]
Abstract
The adaptation of autochthonous olive varieties to local soil and climatic conditions can lead to a unique chemical composition and characteristics of olive oils that may differ from the generally accepted quality standards set out in the International Olive Oil Council strategy documents and EU regulations. Therefore, the fatty acid composition, biophenol, tocopherol, sterol and triterpenic dialcohol content and composition of the autochthonous Slovenian olive varieties 'Buga', 'Črnica' and 'Drobnica' were studied for a three-year period with the aim of valorising the characteristics of the three olive varieties. Standardised and accredited analytical methods in accordance with SIST EN ISO/IEC 17025:2017 were applied. The results of the investigation showed that the highest average amount of oleic acid (75.75%) was found in the oils of the 'Črnica' variety, followed by the 'Drobnica' (72.06%) and the 'Buga' (68.73%). All three varieties are a good source of total biophenols ('Buga' 616 mg/kg, 'Drobnica' 569 mg/kg and 'Črnica' 427 mg/kg) and α-tocopherol ('Buga' 378 mg/kg, 'Drobnica' 279 mg/kg, and 'Črnica' 243 mg/kg). 'Buga' and 'Drobnica' are characterised by high amounts of total sterols, 2468 mg/kg and 2391 mg/kg, respectively, while 'Črnica' oils, in comparison, showed a lower average value of total sterols (1351 mg/kg). Due to their exceptional chemical composition, 'Buga', 'Črnica' and 'Drobnica' show great potential for the further cultivation and valorisation of traditional olive oil production in the region, thus contributing to the preservation of biodiversity and local traditions. The quality parameters of olive oil from the autochthonous Slovenian olive varieties 'Buga', 'Črnica' and 'Drobnica' also fulfil the limits for extra virgin olive oil according to the Commission Delegated Regulation (EU) 2022/2104, despite local climatic influences. However, accelerated growth due to climatic changes affecting early harvest can lead to them falling outside these limits, which was observed in particular for the 'Buga' variety in terms of the linoleic acid content. This study emphasises the importance of timing the harvest to achieve optimum maturity and meet EU quality standards, taking into account the genetic makeup of the varieties and their response to the current climatic conditions.
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Affiliation(s)
| | | | - Maja Podgornik
- Science and Research Centre Koper, Garibaldijeva 1, 6000 Koper, Slovenia
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15
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Kodikara C, Netticadan T, Joseph Thandapilly S, Bandara N, Wijekoon C. Underutilized Canadian wild berries as potential sources of lipophilic bioactive compounds with antihypertensive properties. Food Funct 2024; 15:7534-7552. [PMID: 38920290 DOI: 10.1039/d4fo00665h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2024]
Abstract
Traditional berries are small fruits and are widely distributed in the Canadian prairies. The current study investigates the lipophilic bioactive compounds such as fatty acids, phytosterols, and terpenes, and their bioactivities, such as lipid peroxidation, as well as the antihypertensive activities of fourteen underutilized Canadian wild berries. These berries include Saskatoon berries (Amelanchier alnifolia), gooseberries (Ribes hirtellum), wild grapes (Vitis riparia), blackcurrants (Ribes nigrum), redcurrants (Ribes rubrum), haskap berries (Lonicera caerulea), wild raspberries (Rubus idaeus), wild blueberries (Vaccinium angustifolium), chokeberries (Aronia melanocarpa), buckthorn (Rhamnus cathartica), highbush cranberries (Viburnum trilobum), chokecherries (Prunus virginiana), nannyberries (Viburnum lentago) and snowberries (Symphoricarpos albus). The fatty acids, phytosterols, and terpenes were identified using Gas Chromatography-Mass Spectrometry (GC-MS). Lipid peroxidation and the antihypertensive activity assessed by measuring the berries' angiotensin converting enzyme 1 (ACE1) inhibitory activity were determined using in vitro methods. Notably, wild grapes exhibited the highest (p < 0.05) total fat content (7659 ± 312 μg per g DW), followed by haskap berries (4650 ± 184 μg per g DW). Polyunsaturated fatty acids (PUFAs) were highest (p < 0.05) in wild grapes (74%). Predominant phytosterols and terpenes identified in Canadian wild berries included β-sitosterol, isofucosterol, phytol, and α-amyrin. Saskatoon berries and gooseberries showed a distinct phytosterol and terpene profile compared to the other wild berries. Snowberries demonstrated the highest (p < 0.05) lipid peroxidation and the lowest (p < 0.05) angiotensin converting enzyme (ACE1) activity. This research provides valuable insights into the lipophilic bioactive compounds and their potential activities in vitro of the Canadian wild berries, offering a foundation for further exploration and potential applications in the context of nutraceuticals and functional foods.
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Affiliation(s)
- Chamali Kodikara
- Agriculture and Agri-Food Canada, Morden Research and Development Centre, Morden, Manitoba, R6M 1Y5, Canada.
- Canadian Centre for Agri-Food Research in Health and Medicine, Winnipeg, MB R3C 1B2, Canada
- Department of Food & Human Nutritional Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - Thomas Netticadan
- Agriculture and Agri-Food Canada, Morden Research and Development Centre, Morden, Manitoba, R6M 1Y5, Canada.
- Canadian Centre for Agri-Food Research in Health and Medicine, Winnipeg, MB R3C 1B2, Canada
| | - Sijo Joseph Thandapilly
- Agriculture and Agri-Food Canada, Morden Research and Development Centre, Morden, Manitoba, R6M 1Y5, Canada.
- Richardson Centre for Food Technology and Research, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - Nandika Bandara
- Department of Food & Human Nutritional Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
- Richardson Centre for Food Technology and Research, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - Champa Wijekoon
- Agriculture and Agri-Food Canada, Morden Research and Development Centre, Morden, Manitoba, R6M 1Y5, Canada.
- Canadian Centre for Agri-Food Research in Health and Medicine, Winnipeg, MB R3C 1B2, Canada
- Department of Food & Human Nutritional Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
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Zhang R, Li X, Qu J, Zhang D, Cao L, Qin X, Li Z. Intercropping with maize and sorghum-induced saikosaponin accumulation in Bupleurum chinense DC. by liquid chromatography-mass spectrometry-based metabolomics. JOURNAL OF MASS SPECTROMETRY : JMS 2024; 59:e5035. [PMID: 38726730 DOI: 10.1002/jms.5035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 04/08/2024] [Accepted: 04/10/2024] [Indexed: 08/24/2024]
Abstract
Bupleuri Radix is an important medicinal plant, which has been used in China and other Asian countries for thousands of years. Cultivated Bupleurum chinense DC. (B. chinense) is the main commodity of Bupleuri Radix. The benefits of intercropping with various crops for B. chinense have been recognized; however, the influence of intercropping on the chemical composition of B. chinense is still unclear yet. In this study, intercropping with sorghum and maize exhibited little effect on the root length, root diameter, and single root mass of B. chinense. Only the intercropping with sorghum increased the root length of B. chinense slightly compared to the monocropping. In addition, 200 compounds were identified by UHPLC-Q-TOF-MS, and metabolomic combined with the Venn diagram and heatmap analysis showed apparent separation between the intercropped and monocropped B. chinense samples. Intercropping with sorghum and maize could both increase the saikosaponins, fatty acyls, and organic acids in B. chinense while decreasing the phospholipids. The influence of intercropping on the saikosaponin biosynthesis was probably related with the light intensity and hormone levels in B. chinense. Moreover, we found intercropping increased the anti-inflammatory activity of B. chinense. This study provides a scientific reference for the beneficial effect of intercropping mode of B. chinense.
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Affiliation(s)
- Rui Zhang
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan, China
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
| | - Xiangchuan Li
- Shanxi Institute of Medicine and Life Sciences, Taiyuan, China
| | - Jixu Qu
- Shanxi Institute of Medicine and Life Sciences, Taiyuan, China
| | - Doudou Zhang
- Shanxi Institute of Medicine and Life Sciences, Taiyuan, China
| | - Linxu Cao
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan, China
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
| | - Xuemei Qin
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan, China
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
| | - Zhenyu Li
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan, China
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
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17
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Wang Z, Lei Y, Liao B. Omics-driven advances in the understanding of regulatory landscape of peanut seed development. FRONTIERS IN PLANT SCIENCE 2024; 15:1393438. [PMID: 38766472 PMCID: PMC11099219 DOI: 10.3389/fpls.2024.1393438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 04/18/2024] [Indexed: 05/22/2024]
Abstract
Peanuts (Arachis hypogaea) are an essential oilseed crop known for their unique developmental process, characterized by aerial flowering followed by subterranean fruit development. This crop is polyploid, consisting of A and B subgenomes, which complicates its genetic analysis. The advent and progression of omics technologies-encompassing genomics, transcriptomics, proteomics, epigenomics, and metabolomics-have significantly advanced our understanding of peanut biology, particularly in the context of seed development and the regulation of seed-associated traits. Following the completion of the peanut reference genome, research has utilized omics data to elucidate the quantitative trait loci (QTL) associated with seed weight, oil content, protein content, fatty acid composition, sucrose content, and seed coat color as well as the regulatory mechanisms governing seed development. This review aims to summarize the advancements in peanut seed development regulation and trait analysis based on reference genome-guided omics studies. It provides an overview of the significant progress made in understanding the molecular basis of peanut seed development, offering insights into the complex genetic and epigenetic mechanisms that influence key agronomic traits. These studies highlight the significance of omics data in profoundly elucidating the regulatory mechanisms of peanut seed development. Furthermore, they lay a foundational basis for future research on trait-related functional genes, highlighting the pivotal role of comprehensive genomic analysis in advancing our understanding of plant biology.
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Affiliation(s)
- Zhihui Wang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS), Wuhan, China
- National Key Laboratory of Crop Genetic Improvement, National Center of Crop Molecular Breeding Technology, National Center of Oil Crop Improvement (Wuhan), Huazhong Agricultural University, Wuhan, China
| | - Yong Lei
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS), Wuhan, China
| | - Boshou Liao
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences (CAAS), Wuhan, China
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Strzemski M, Adamec L, Dresler S, Mazurek B, Dubaj K, Stolarczyk P, Feldo M, Płachno BJ. Shoots and Turions of Aquatic Plants as a Source of Fatty Acids. Molecules 2024; 29:2062. [PMID: 38731554 PMCID: PMC11085451 DOI: 10.3390/molecules29092062] [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: 03/22/2024] [Revised: 04/22/2024] [Accepted: 04/25/2024] [Indexed: 05/13/2024] Open
Abstract
BACKGROUND Fatty acids are essential for human health. Currently, there is a search for alternative sources of fatty acids that could supplement such sources as staple crops or fishes. Turions of aquatic plants accumulate a variety of substances such as starch, free sugars, amino acids, reserve proteins and lipids. Our aim is to see if turions can be a valuable source of fatty acids. METHODS Overwintering shoots and turions of aquatic carnivorous plants were collected. The plant material was extracted with hexane. The oils were analyzed using a gas chromatograph with mass spectrometer. RESULTS The dominant compound in all samples was linolenic acid. The oil content was different in turions and shoots. The oil content of the shoots was higher than that of the turions, but the proportion of fatty acids in the oils from the shoots was low in contrast to the oils from the turions. The turions of Utricularia species were shown to be composed of about 50% fatty acids. CONCLUSIONS The turions of Utricularia species can be used to obtain oil with unsaturated fatty acids. In addition, the high fatty acid content of turions may explain their ability to survive at low temperatures.
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Affiliation(s)
- Maciej Strzemski
- Department of Analytical Chemistry, Medical University of Lublin, 4a Chodzki St., 20-093 Lublin, Poland;
| | - Lubomir Adamec
- Department of Experimental and Functional Morphology, Institute of Botany of the Czech Academy of Sciences, Dukelská 135, CZ-379 01 Třeboň, Czech Republic;
| | - Sławomir Dresler
- Department of Analytical Chemistry, Medical University of Lublin, 4a Chodzki St., 20-093 Lublin, Poland;
- Department of Plant Physiology and Biophysics, Institute of Biological Sciences, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, 19 Akademicka St., 20-033 Lublin, Poland
| | - Barbara Mazurek
- Analytical Department, New Chemical Syntheses Institute, 13A Tysiąclecia Państwa Polskiego Ave., 24-110 Puławy, Poland;
| | - Katarzyna Dubaj
- Department of Basic Medical Sciences, Faculty of Medical and Health Sciences, Casimir Pulaski Radom University, 27 Boleslawa Chrobrego Str., 26-600 Radom, Poland;
| | - Piotr Stolarczyk
- Department of Botany, Physiology and Plant Protection, Faculty of Biotechnology and Horticulture, University of Agriculture in Kraków, 29 Listopada 54 Ave., 31-425 Cracow, Poland;
| | - Marcin Feldo
- Department of Vascular Surgery, Medical University of Lublin, Staszica 11 St., 20-081 Lublin, Poland;
| | - Bartosz J. Płachno
- Department of Plant Cytology and Embryology, Institute of Botany, Faculty of Biology, Jagiellonian University in Kraków, 9 Gronostajowa St., 30-387 Krakow, Poland
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Zhou JL, Li JN, Zhou D, Wang JM, Ye YH, Zhang C, Gao F. Dialysis bag-microalgae photobioreactor: Novel strategy for enhanced bioresource production and wastewater purification. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 354:120439. [PMID: 38401502 DOI: 10.1016/j.jenvman.2024.120439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/25/2024] [Accepted: 02/20/2024] [Indexed: 02/26/2024]
Abstract
Cultivating microalgae in wastewater offers various advantages, but it still faces limitations such as bacteria and other impurities in wastewater affecting the growth and purity of microalgae, difficulty in microalgae harvesting, and extracellular products of microalgae affecting effluent quality. In this study, a novel dialysis bag-microalgae photobioreactor (Db-PBR) was developed to achieve wastewater purification and purer bioresource recovery by culturing microalgae in a dialysis bag. The dialysis bag in the Db-PBR effectively captured the microalgae cells and promoted their lipid accumulation, leading to higher biomass (1.53 times of the control) and lipid production (2.50 times of the control). During the stable operation stage of Db-PBR, the average soluble microbial products (SMP) content outside the dialysis bag was 25.83 mg L-1, which was significantly lower than that inside the dialysis bag (185.63 mg L-1), indicating that the dialysis bag effectively intercepted the SMP secreted by microalgae. As a result, the concentration of dissolved organic carbon (DOC) in Db-PBR effluent was significantly lower than that of traditional photobioreactor. Furthermore, benefiting from the dialysis bag in the reactor effectively intercepted the microorganisms in wastewater, significantly improving the purity of the cultured microalgae biomass, which is beneficial for the development of high-value microalgae products.
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Affiliation(s)
- Jin-Long Zhou
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan, 316000, China; Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, Zhoushan, 316000, China
| | - Jia-Nan Li
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan, 316000, China; Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, Zhoushan, 316000, China
| | - Dan Zhou
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan, 316000, China; Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, Zhoushan, 316000, China
| | - Jia-Ming Wang
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan, 316000, China; Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, Zhoushan, 316000, China
| | - Yi-Hang Ye
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan, 316000, China; Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, Zhoushan, 316000, China
| | - Ci Zhang
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan, 316000, China; Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, Zhoushan, 316000, China
| | - Feng Gao
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan, 316000, China; Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, Zhoushan, 316000, China.
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20
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Adigun OA, Pham TH, Grapov D, Nadeem M, Jewell LE, Galagedara L, Cheema M, Thomas R. Lipid mediated plant immunity in susceptible and tolerant soybean cultivars in response to Phytophthora sojae colonization and infection. BMC PLANT BIOLOGY 2024; 24:154. [PMID: 38424489 PMCID: PMC10905861 DOI: 10.1186/s12870-024-04808-z] [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: 04/12/2023] [Accepted: 02/08/2024] [Indexed: 03/02/2024]
Abstract
BACKGROUND Soybean is one of the most cultivated crops globally and a staple food for much of the world's population. The annual global crop losses due to infection by Phytophthora sojae is currently estimated at $20B USD, yet we have limited understanding of the role of lipid mediators in the adaptative strategies used by the host plant to limit infection. Since root is the initial site of this infection, we examined the infection process in soybean root infected with Phytophthora sojae using scanning electron microscopy to observe the changes in root morphology and a multi-modal lipidomics approach to investigate how soybean cultivars remodel their lipid mediators to successfully limit infection by Phytophthora sojae. RESULTS The results reveal the presence of elevated biogenic crystals and more severe damaged cells in the root morphology of the infected susceptible cultivar compared to the infected tolerant cultivars. Furthermore, induced accumulation of stigmasterol was observed in the susceptible cultivar whereas, induced accumulation of phospholipids and glycerolipids occurred in tolerant cultivar. CONCLUSION The altered lipidome reported in this study suggest diacylglycerol and phosphatidic acid mediated lipid signalling impacting phytosterol anabolism appears to be a strategy used by tolerant soybean cultivars to successfully limit infection and colonization by Phytophthora sojae.
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Affiliation(s)
- Oludoyin Adeseun Adigun
- School of Science and the Environment/Boreal Ecosystems and Agricultural Sciences, Grenfell Campus, Memorial University of Newfoundland, Corner Brook, NL A2H 5G4, Canada.
| | - Thu Huong Pham
- School of Science and the Environment/Boreal Ecosystems and Agricultural Sciences, Grenfell Campus, Memorial University of Newfoundland, Corner Brook, NL A2H 5G4, Canada
| | | | - Muhammad Nadeem
- School of Science and the Environment/Boreal Ecosystems and Agricultural Sciences, Grenfell Campus, Memorial University of Newfoundland, Corner Brook, NL A2H 5G4, Canada
| | - Linda Elizabeth Jewell
- St. John's Research and Development Centre, Agriculture and Agri-Food Canada, 204 Brookfield Road, St. John's, Newfoundland and Labrador, A1E 6J5, Canada
| | - Lakshman Galagedara
- School of Science and the Environment/Boreal Ecosystems and Agricultural Sciences, Grenfell Campus, Memorial University of Newfoundland, Corner Brook, NL A2H 5G4, Canada
| | - Mumtaz Cheema
- School of Science and the Environment/Boreal Ecosystems and Agricultural Sciences, Grenfell Campus, Memorial University of Newfoundland, Corner Brook, NL A2H 5G4, Canada
| | - Raymond Thomas
- Department of Biology/Biotron Climate Change Experimental Research Centre, Western University, London, ON, Canada.
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21
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Tsalgatidou PC, Boutsika A, Papageorgiou AG, Dalianis A, Michaliou M, Chatzidimopoulos M, Delis C, Tsitsigiannis DI, Paplomatas E, Zambounis A. Global Transcriptome Analysis of the Peach ( Prunus persica) in the Interaction System of Fruit-Chitosan- Monilinia fructicola. PLANTS (BASEL, SWITZERLAND) 2024; 13:567. [PMID: 38475414 DOI: 10.3390/plants13050567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 02/11/2024] [Accepted: 02/14/2024] [Indexed: 03/14/2024]
Abstract
The peach (Prunus persica L.) is one of the most important stone-fruit crops worldwide. Nevertheless, successful peach fruit production is seriously reduced by losses due to Monilinia fructicola the causal agent of brown rot. Chitosan has a broad spectrum of antimicrobial properties and may also act as an elicitor that activate defense responses in plants. As little is known about the elicitation potential of chitosan in peach fruits and its impact at their transcriptional-level profiles, the aim of this study was to uncover using RNA-seq the induced responses regulated by the action of chitosan in fruit-chitosan-M. fructicola interaction. Samples were obtained from fruits treated with chitosan or inoculated with M. fructicola, as well from fruits pre-treated with chitosan and thereafter inoculated with the fungus. Chitosan was found to delay the postharvest decay of fruits, and expression profiles showed that its defense-priming effects were mainly evident after the pathogen challenge, driven particularly by modulations of differentially expressed genes (DEGs) related to cell-wall modifications, pathogen perception, and signal transduction, preventing the spread of fungus. In contrast, as the compatible interaction of fruits with M. fructicola was challenged, a shift towards defense responses was triggered with a delay, which was insufficient to limit fungal expansion, whereas DEGs involved in particular processes have facilitated early pathogen colonization. Physiological indicators of peach fruits were also measured. Additionally, expression profiles of particular M. fructicola genes highlight the direct antimicrobial activity of chitosan against the fungus. Overall, the results clarify the possible mechanisms of chitosan-mediated tolerance to M. fructicola and set new foundations for the potential employment of chitosan in the control of brown rot in peaches.
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Affiliation(s)
- Polina C Tsalgatidou
- Department of Agriculture, University of the Peloponnese, 24100 Kalamata, Greece
| | - Anastasia Boutsika
- Institute of Plant Breeding and Genetic Resources, ELGO-DEMETER, 57001 Thessaloniki, Greece
| | - Anastasia G Papageorgiou
- Laboratory of Plant Pathology, Department of Crop Science, Agricultural University of Athens, 11855 Athens, Greece
| | - Andreas Dalianis
- Laboratory of Vegetable Crops, Institute of Olive Tree, Subtropical Crops and Viticulture, ELGO-DEMETER, 71307 Heraklion, Greece
| | - Maria Michaliou
- Laboratory of Vegetable Crops, Institute of Olive Tree, Subtropical Crops and Viticulture, ELGO-DEMETER, 71307 Heraklion, Greece
| | | | - Costas Delis
- Department of Agriculture, University of the Peloponnese, 24100 Kalamata, Greece
| | - Dimitrios I Tsitsigiannis
- Laboratory of Plant Pathology, Department of Crop Science, Agricultural University of Athens, 11855 Athens, Greece
| | - Epaminondas Paplomatas
- Laboratory of Plant Pathology, Department of Crop Science, Agricultural University of Athens, 11855 Athens, Greece
| | - Antonios Zambounis
- Institute of Plant Breeding and Genetic Resources, ELGO-DEMETER, 57001 Thessaloniki, Greece
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22
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Kiani H, Khalesro S, Mokhatssi-Bidgoli A, Sharifi Z. Biochar and conservation tillage affect the agronomic performance and fatty acid composition of Nigella sativa L. under both irrigated and dryland conditions. Sci Rep 2024; 14:2648. [PMID: 38302576 PMCID: PMC10834544 DOI: 10.1038/s41598-024-52425-5] [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: 09/01/2023] [Accepted: 01/18/2024] [Indexed: 02/03/2024] Open
Abstract
Soils in arid and semi-arid regions like Iran have suffered greatly from low organic matter content and low water availability. Traditional tillage and the overuse of chemical fertilizers are accelerating the problems in the region. So, sensible and sustainable strategies such as conservation tillage and natural organic inputs are becoming increasingly important to enhance organic matter and humidity in the soil and grow high-quality crops in agroecosystems. Thus, in 2019 and 2020, a split-split plot arrangement within a randomized complete block design was conducted in Iran to assess the effects of irrigated conditions, tillage systems, and biochar on the aforementioned traits. There were two irrigation conditions (irrigated and dryland) as the main plots, three tillage methods (conventional, minimum, and no-tillage) as sub-plots, and two application rates for biochar (0 and 15 ton ha-1) as sub-sub plots. The findings indicated that biochar application enhanced grain yield across all tillage methods under both irrigation conditions. Biochar with minimum tillage improved oil yield by 23% and 29% compared to those that did not use biochar under the dryland and irrigated conditions, respectively. Moreover, oil yield was higher in 2020 than in 2019 for all tillage systems and biochar rates. The main components of Nigella sativa L. oil belong to linoleic, oleic, and palmitic acids. Minimum tillage with biochar under irrigated conditions in 2020 and no-tillage without biochar under dryland conditions in 2019 had the most (59%) and the least linoleic acid (53%), respectively. Conventional, minimum, and no-tillage with biochar in dryland conditions significantly increased linoleic acid by 2%, 3%, and 5% compared to those without biochar in 2020, respectively. In general, adopting biochar with minimum tillage produced the best outcomes for Nigella sativa L. yield, and grain oil quality under both irrigation conditions. It is recommended that farmers incorporate these practices to produce high-quality Nigella sativa L. in sustainable agricultural systems.
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Affiliation(s)
- Hawre Kiani
- Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Kurdistan, Pasdaran Street, Sanandaj, 66177-15175, Iran
| | - Shiva Khalesro
- Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Kurdistan, Pasdaran Street, Sanandaj, 66177-15175, Iran.
| | - Ali Mokhatssi-Bidgoli
- Department of Agronomy, Faculty of Agriculture, Tarbiat Modares University, Tehran, 14115-336, Iran
| | - Zahed Sharifi
- Department of Soil Science, Faculty of Agriculture, University of Kurdistan, Pasdaran Street, Sanandaj, 66177-15175, Iran
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23
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Liu G, Liu F, Pan L, Wang H, Lu Y, Liu C, Yu S, Hu X. Agronomic, physiological and transcriptional characteristics provide insights into fatty acid biosynthesis in yellowhorn ( Xanthoceras sorbifolium Bunge) during fruit ripening. Front Genet 2024; 15:1325484. [PMID: 38356698 PMCID: PMC10864670 DOI: 10.3389/fgene.2024.1325484] [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: 10/21/2023] [Accepted: 01/19/2024] [Indexed: 02/16/2024] Open
Abstract
Yellowhorn (Xanthoceras sorbifolium Bunge) is an oil-bearing tree species in northern China. In this study, we used yellowhorn from Heilongjiang to analyze the morphological and physiological changes of fruit development and conducted transcriptome sequencing. The results showed that the fruit experienced relatively slow growth from fertilization to DAF20 (20 days after flowering). From DAF40 to DAF60, the fruit entered an accelerated development stage, with a rapid increase in both transverse and longitudinal diameters, and the kernel contour developed completely at DAF40. From DAF60 to DAF80, the transverse and vertical diameters of the fruit developed slowly, and the overall measures remained stable until maturity. The soluble sugar, starch, and anthocyanin content gradually accumulated until reaching a peak at DAF80 and then rapidly decreased. RNA-seq analysis revealed differentially expressed genes (DEGs) in the seed coat and kernel, implying that seed components have different metabolite accumulation mechanisms. During the stages of seed kernel development, k-means clustering separated the DEGs into eight sub-classes, indicating gene expression shifts during the fruit ripening process. In subclass 8, the fatty acid biosynthesis pathway was enriched, suggesting that this class was responsible for lipid accumulation in the kernel. WGCNA revealed ten tissue-specific modules for the 12 samples among 20 modules. We identified 54 fatty acid biosynthesis pathway genes across the genome, of which 14 was quantified and confirmed by RT-qPCR. Most genes in the plastid synthesis stage showed high expression during the DAF40-DAF60 period, while genes in the endoplasmic reticulum synthesis stage showed diverse expression patterns. EVM0012847 (KCS) and EVM0002968 (HCD) showed similar high expression in the early stages and low expression in the late stages. EVM0022385 (HCD) exhibited decreased expression from DAF40 to DAF60 and then increased from DAF60 to DAF100. EVM0000575 (KCS) was increasingly expressed from DAF40 to DAF60 and then decreased from DAF60 to DAF100. Finally, we identified transcription factors (TFs) (HB-other, bHLH and ARF) that were predicted to bind to fatty acid biosynthesis pathway genes with significant correlations. These results are conducive to promoting the transcriptional regulation of lipid metabolism and the genetic improvement in terms of high lipid content of yellowhorn.
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Affiliation(s)
- Guan Liu
- State Key Laboratory of Tree Genetics and Breeding, College of Forestry, Northeast Forestry University, Harbin, China
- College of Advanced Agriculture and Ecological Environment, Heilongjiang University, Harbin, China
| | - Fengjiao Liu
- College of Advanced Agriculture and Ecological Environment, Heilongjiang University, Harbin, China
| | - Lin Pan
- College of Advanced Agriculture and Ecological Environment, Heilongjiang University, Harbin, China
| | - Hanhui Wang
- State Key Laboratory of Tree Genetics and Breeding, College of Forestry, Northeast Forestry University, Harbin, China
| | - Yanan Lu
- State Key Laboratory of Tree Genetics and Breeding, College of Forestry, Northeast Forestry University, Harbin, China
| | - Changhua Liu
- College of Advanced Agriculture and Ecological Environment, Heilongjiang University, Harbin, China
| | - Song Yu
- State Key Laboratory of Tree Genetics and Breeding, College of Forestry, Northeast Forestry University, Harbin, China
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Science, Northeast Forestry University, Harbin, China
| | - Xiaohang Hu
- College of Advanced Agriculture and Ecological Environment, Heilongjiang University, Harbin, China
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24
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Fleck SA, Biswas P, DeWitt ED, Knuteson RL, Eisman RC, Nemkov T, D'Alessandro A, Tennessen JM, Rideout E, Weaver LN. Auxin exposure disrupts feeding behavior and fatty acid metabolism in adult Drosophila. eLife 2024; 12:RP91953. [PMID: 38240746 PMCID: PMC10945601 DOI: 10.7554/elife.91953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024] Open
Abstract
The ease of genetic manipulation in Drosophila melanogaster using the Gal4/UAS system has been beneficial in addressing key biological questions. Current modifications of this methodology to temporally induce transgene expression require temperature changes or exposure to exogenous compounds, both of which have been shown to have detrimental effects on physiological processes. The recently described auxin-inducible gene expression system (AGES) utilizes the plant hormone auxin to induce transgene expression and is proposed to be the least toxic compound for genetic manipulation, with no obvious effects on Drosophila development and survival in one wild-type strain. Here, we show that auxin delays larval development in another widely used fly strain, and that short- and long-term auxin exposure in adult Drosophila induces observable changes in physiology and feeding behavior. We further reveal a dosage response to adult survival upon auxin exposure, and that the recommended auxin concentration for AGES alters feeding activity. Furthermore, auxin-fed male and female flies exhibit a significant decrease in triglyceride levels and display altered transcription of fatty acid metabolism genes. Although fatty acid metabolism is disrupted, auxin does not significantly impact adult female fecundity or progeny survival, suggesting AGES may be an ideal methodology for studying limited biological processes. These results emphasize that experiments using temporal binary systems must be carefully designed and controlled to avoid confounding effects and misinterpretation of results.
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Affiliation(s)
- Sophie A Fleck
- Department of Biology, Indiana UniversityBloomingtonUnited States
| | - Puja Biswas
- Department of Cellular and Physiological Sciences, Life Sciences Institute, The University of British ColumbiaVancouverCanada
| | - Emily D DeWitt
- Department of Biology, Indiana UniversityBloomingtonUnited States
| | | | - Robert C Eisman
- Department of Biology, Indiana UniversityBloomingtonUnited States
| | - Travis Nemkov
- Department of Biochemistry and Molecular Genetics, Anschutz Medical Campus, University of Colorado School of MedicineAuroraUnited States
| | - Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, Anschutz Medical Campus, University of Colorado School of MedicineAuroraUnited States
| | | | - Elizabeth Rideout
- Department of Cellular and Physiological Sciences, Life Sciences Institute, The University of British ColumbiaVancouverCanada
| | - Lesley N Weaver
- Department of Biology, Indiana UniversityBloomingtonUnited States
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25
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Wanichthanarak K, In-on A, Fan S, Fiehn O, Wangwiwatsin A, Khoomrung S. Data processing solutions to render metabolomics more quantitative: case studies in food and clinical metabolomics using Metabox 2.0. Gigascience 2024; 13:giae005. [PMID: 38488666 PMCID: PMC10941642 DOI: 10.1093/gigascience/giae005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 12/22/2023] [Accepted: 02/02/2024] [Indexed: 03/18/2024] Open
Abstract
In classic semiquantitative metabolomics, metabolite intensities are affected by biological factors and other unwanted variations. A systematic evaluation of the data processing methods is crucial to identify adequate processing procedures for a given experimental setup. Current comparative studies are mostly focused on peak area data but not on absolute concentrations. In this study, we evaluated data processing methods to produce outputs that were most similar to the corresponding absolute quantified data. We examined the data distribution characteristics, fold difference patterns between 2 metabolites, and sample variance. We used 2 metabolomic datasets from a retail milk study and a lupus nephritis cohort as test cases. When studying the impact of data normalization, transformation, scaling, and combinations of these methods, we found that the cross-contribution compensating multiple standard normalization (ccmn) method, followed by square root data transformation, was most appropriate for a well-controlled study such as the milk study dataset. Regarding the lupus nephritis cohort study, only ccmn normalization could slightly improve the data quality of the noisy cohort. Since the assessment accounted for the resemblance between processed data and the corresponding absolute quantified data, our results denote a helpful guideline for processing metabolomic datasets within a similar context (food and clinical metabolomics). Finally, we introduce Metabox 2.0, which enables thorough analysis of metabolomic data, including data processing, biomarker analysis, integrative analysis, and data interpretation. It was successfully used to process and analyze the data in this study. An online web version is available at http://metsysbio.com/metabox.
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Affiliation(s)
- Kwanjeera Wanichthanarak
- Siriraj Center of Research Excellence in Metabolomics and Systems Biology (SiCORE-MSB), Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
- Siriraj Metabolomics and Phenomics Center, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Ammarin In-on
- Siriraj Center of Research Excellence in Metabolomics and Systems Biology (SiCORE-MSB), Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
- Siriraj Metabolomics and Phenomics Center, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Sili Fan
- Department of Biostatistics, University of California Davis, Davis, CA 95616, USA
| | - Oliver Fiehn
- West Coast Metabolomics Center, University of California Davis Genome Center, Davis, CA 95616, USA
| | - Arporn Wangwiwatsin
- Department of Systems Biosciences and Computational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Sakda Khoomrung
- Siriraj Center of Research Excellence in Metabolomics and Systems Biology (SiCORE-MSB), Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
- Siriraj Metabolomics and Phenomics Center, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
- Department of Biochemistry, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Bangkok 10700, Thailand
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26
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Seth T, Asija S, Umar S, Gupta R. The intricate role of lipids in orchestrating plant defense responses. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 338:111904. [PMID: 37925973 DOI: 10.1016/j.plantsci.2023.111904] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 10/08/2023] [Accepted: 10/20/2023] [Indexed: 11/07/2023]
Abstract
Plants are exposed to a variety of pests and pathogens that reduce crop productivity. Plants respond to such attacks by activating a sophisticated signaling cascade that initiates with the recognition of pests/pathogens and may culminate into a resistance response. Lipids, being the structural components of cellular membranes, function as mediators of these signaling cascades and thus are instrumental in the regulation of plant defense responses. Accumulating evidence indicates that various lipids such as oxylipins, phospholipids, glycolipids, glycerolipids, sterols, and sphingolipids, among others, are involved in mediating cell signaling during plant-pathogen interaction with each lipid exhibiting a specific biological relevance, follows a distinct biosynthetic mechanism, and contributes to specific signaling cascade(s). Omics studies have further confirmed the involvement of lipid biosynthetic enzymes including the family of phospholipases in the production of defense signaling molecules subsequent to pathogen attack. Lipids participate in stress signaling by (1) mediating the signal transduction, (2) acting as precursors for bioactive molecules, (3) regulating ROS formation, and (4) interacting with various phytohormones to orchestrate the defense response in plants. In this review, we present the biosynthetic pathways of different lipids, their specific functions, and their intricate roles upstream and downstream of phytohormones under pathogen attack to get a deeper insight into the molecular mechanism of lipids-mediated regulation of defense responses in plants.
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Affiliation(s)
- Tanashvi Seth
- Department of Botany, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Sejal Asija
- Department of Botany, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Shahid Umar
- Department of Botany, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Ravi Gupta
- College of General Education, Kookmin University, Seoul 02707, South Korea.
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Quevedo-Colmena AS, Ortiz-Atienza A, Jáquez-Gutiérrez M, Quinet M, Atarés A, Yuste-Lisbona FJ, Moreno V, Angosto T, Lozano R. Loss of function mutations at the tomato SSI2 locus impair plant growth and development by altering the fatty acid desaturation pathway. PLANT BIOLOGY (STUTTGART, GERMANY) 2024; 26:106-116. [PMID: 37983594 DOI: 10.1111/plb.13591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Accepted: 10/24/2023] [Indexed: 11/22/2023]
Abstract
The stearoyl-ACP desaturase (SACPD) is a key enzyme in the regulation of saturated to unsaturated fatty acid ratio, playing a crucial role in regulating membrane stability and fluidity, as well as photosynthesis efficiency, which makes it an important research focus in crop species. This study reports the characterization and molecular cloning of pale dwarf (pad), a new tomato (Solanum lycopersicum L.) T-DNA recessive mutant, which exhibits a dwarf and chlorotic phenotype. Functional studies of the T-DNA tagged gene were conducted, including phylogenetic analysis, expression and metabolomic analyses, and generation of CRISPR/Cas9 knockout lines. The cloning of T-DNA flanking genomic sequences and a co-segregation analysis found the pad phenotype was caused by a T-DNA insertion disrupting the tomato homologue of the Arabidopsis SUPPRESSOR OF SALICYLIC ACID INSENSITIVITY 2 (SlSSI2), encoding a plastid localized isoform of SACPD. The phenotype of CRISPR/Cas9 SlSSI2 knockout lines confirmed that the morphological abnormalities in pad plants were due to SlSSI2 loss of function. Functional, metabolomic and expression analyses proved that SlSSI2 disruption causes deficiencies in 18:1 fatty acid desaturation and leads to diminished jasmonic acid (JA) content and increased salicylic acid (SA) levels. Overall, these results proved that SSI2 plays a crucial role in the regulation of polyunsaturated fatty acid profiles in tomato, and revealed that SlSSI2 loss of function results in an inhibited JA-responsive signalling pathway and a constitutively activated SA-mediated defence signalling response. This study lays the foundation for further research on tomato SACPDs and their role in plant performance and fitness.
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Affiliation(s)
- A S Quevedo-Colmena
- Centro de Investigación en Biotecnología Agroalimentaria (CIAIMBITAL), Universidad de Almería, Almería, Spain
| | - A Ortiz-Atienza
- Centro de Investigación en Biotecnología Agroalimentaria (CIAIMBITAL), Universidad de Almería, Almería, Spain
| | - M Jáquez-Gutiérrez
- Instituto de Biología Molecular y Celular de Plantas (UPV-CSIC), Universidad Politécnica de Valencia, Valencia, Spain
| | - M Quinet
- Université catholique de Louvain, Ottignies-Louvain-la-Neuve, Belgium
| | - A Atarés
- Instituto de Biología Molecular y Celular de Plantas (UPV-CSIC), Universidad Politécnica de Valencia, Valencia, Spain
| | - F J Yuste-Lisbona
- Centro de Investigación en Biotecnología Agroalimentaria (CIAIMBITAL), Universidad de Almería, Almería, Spain
| | - V Moreno
- Instituto de Biología Molecular y Celular de Plantas (UPV-CSIC), Universidad Politécnica de Valencia, Valencia, Spain
| | - T Angosto
- Centro de Investigación en Biotecnología Agroalimentaria (CIAIMBITAL), Universidad de Almería, Almería, Spain
| | - R Lozano
- Centro de Investigación en Biotecnología Agroalimentaria (CIAIMBITAL), Universidad de Almería, Almería, Spain
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Zhou JL, Vadiveloo A, Chen DZ, Gao F. Regulation effects of indoleacetic acid on lipid production and nutrient removal of Chlorella pyrenoidosa in seawater-containing wastewater. WATER RESEARCH 2024; 248:120864. [PMID: 37979569 DOI: 10.1016/j.watres.2023.120864] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 10/12/2023] [Accepted: 11/11/2023] [Indexed: 11/20/2023]
Abstract
The utilization of seawater supplemented with wastewater nutrients for microalgae cultivation represents a promising and cost-effective approach that combines the benefits of wastewater treatment and microalgal resource recovery. However, the high salt content in seawater poses a significant challenge, hindering microalgal growth and reducing the removal of nitrogen and phosphorus on a large scale. The phytohormone indoleacetic acid (IAA) was used in this study to enhance stress resistance and lipid production of Chlorella pyrenoidosa grown in seawater-wastewater medium. Compared to the control groups involving regular wastewater and seawater-containing wastewater without IAA, Chlorella pyrenoidosa cultivated in the seawater-containing wastewater supplemented with IAA exhibited remarkable outcomes. Specifically, microalgae in IAA-enhanced seawater-containing wastewater achieved the highest lipid productivity (22.67 mg L-1 d-1) along with impressive nitrogen (99.3 %) and phosphorus (97.3 %) removal rates. Moreover, their cell sedimentation ratio reached 76.6 %, indicating enhanced settling properties. Additionally, the physiological mechanism changes after exposure to seawater stress and IAA were revealed based on the changes in antioxidant enzymes, endogenous hormones, and fatty acid saturation. Furthermore, the transcriptomic analysis elucidated the molecular mechanisms underlying microalgal lipid synthesis and their response to antioxidant stress when exposed to seawater. The supplementation of IAA under seawater stress stimulated energy metabolism and the antioxidant response in microalgal cells, effectively mitigating the adverse effects of seawater stress and promoting overall algal lipid productivity. Overall, this study unveiled the potential of exogenous plant hormones, particularly IAA, in enhancing stress resistance and lipid productivity of microalgae grown in seawater-wastewater medium, which significantly contributed towards the efficient use of seawater resources for microalgae cultivation and biofuel production.
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Affiliation(s)
- Jin-Long Zhou
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316000, China; Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, Zhoushan, 316000, China
| | - Ashiwin Vadiveloo
- Centre for Water, Energy and Waste, Harry Butler Institute, Murdoch University, Murdoch, WA 6150, Australia
| | - Dong-Zhi Chen
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316000, China; Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, Zhoushan, 316000, China
| | - Feng Gao
- School of Petrochemical Engineering & Environment, Zhejiang Ocean University, Zhoushan 316000, China; Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, Zhoushan, 316000, China.
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Pellissier L, Gaudry A, Vilette S, Lecoultre N, Rutz A, Allard PM, Marcourt L, Ferreira Queiroz E, Chave J, Eparvier V, Stien D, Gindro K, Wolfender JL. Comparative metabolomic study of fungal foliar endophytes and their long-lived host Astrocaryum sciophilum: a model for exploring the chemodiversity of host-microbe interactions. FRONTIERS IN PLANT SCIENCE 2023; 14:1278745. [PMID: 38186589 PMCID: PMC10768666 DOI: 10.3389/fpls.2023.1278745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 11/28/2023] [Indexed: 01/09/2024]
Abstract
Introduction In contrast to the dynamics observed in plant/pathogen interactions, endophytic fungi have the capacity to establish enduring associations within their hosts, leading to the development of a mutually beneficial relationship that relies on specialized chemical interactions. Research indicates that the presence of endophytic fungi has the ability to significantly modify the chemical makeup of the host organism. Our hypothesis proposes the existence of a reciprocal exchange of chemical signals between plants and fungi, facilitated by specialized chemical processes that could potentially manifest within the tissues of the host. This research aimed to precisely quantify the portion of the cumulative fungal endophytic community's metabolome detectable within host leaves, and tentatively evaluate its relevance to the host-endophyte interplay. The understory palm Astrocaryum sciophilum (Miq.) Pulle was used as a interesting host plant because of its notable resilience and prolonged life cycle, in a tropical ecosystem. Method Using advanced metabolome characterization, including UHPLC-HRMS/MS and molecular networking, the study explored enriched metabolomes of both host leaves and 15 endophytic fungi. The intention was to capture a metabolomic "snapshot" of both host and endophytic community, to achieve a thorough and detailed analysis. Results and discussion This approach yielded an extended MS-based molecular network, integrating diverse metadata for identifying host- and endophyte-derived metabolites. The exploration of such data (>24000 features in positive ionization mode) enabled effective metabolome comparison, yielding insights into cultivable endophyte chemodiversity and occurrence of common metabolites between the holobiont and its fungal communities. Surprisingly, a minor subset of features overlapped between host leaf and fungal samples despite significant plant metabolome enrichment. This indicated that fungal metabolic signatures produced in vitro remain sparingly detectable in the leaf. Several classes of primary metabolites were possibly shared. Specific fungal metabolites and/or compounds of their chemical classes were only occasionally discernible in the leaf, highlighting endophytes partial contribution to the overall holobiont metabolome. To our knowledge, the metabolomic study of a plant host and its microbiome has rarely been performed in such a comprehensive manner. The general analytical strategy proposed in this paper seems well-adapted for any study in the field of microbial- or microbiome-related MS and can be applied to most host-microbe interactions.
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Affiliation(s)
- Leonie Pellissier
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
| | - Arnaud Gaudry
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
| | - Salomé Vilette
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
| | - Nicole Lecoultre
- Mycology Group, Research Department Plant Protection, Agroscope, Nyon, Switzerland
| | - Adriano Rutz
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
| | - Pierre-Marie Allard
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Department of Biology, University of Fribourg, Fribourg, Switzerland
| | - Laurence Marcourt
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
| | - Emerson Ferreira Queiroz
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
| | - Jérôme Chave
- Laboratoire Evolution et diversité Biologique (Unité Mixte de Recherche (UMR) 5174), Centre National de la Recherche Scientifique (CNRS), Université Toulouse III (UT3), Institut de Recherche pour le Développement (IRD), Université Toulouse 3, Toulouse, France
| | - Véronique Eparvier
- Université Paris-Saclay, Centre National de la Recherche Scientifique (CNRS), Institut de Chimie des Substances Naturelles, Gif-sur-Yvette, France
| | - Didier Stien
- Sorbonne Université, Centre National de la Recherche Scientifique (CNRS), Laboratoire de Biodiversité et Biotechnologie Microbiennes, Laboratoire de Biodiversité et Biotechnologies Microbiennes (LBBM), Observatoire Océanologique, Banyuls-Sur-Mer, France
| | - Katia Gindro
- Mycology Group, Research Department Plant Protection, Agroscope, Nyon, Switzerland
| | - Jean-Luc Wolfender
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire (CMU), Geneva, Switzerland
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Fleck SA, Biswas P, DeWitt ED, Knuteson RL, Eisman RC, Nemkov T, D’Alessandro A, Tennessen JM, Rideout EJ, Weaver LN. Auxin Exposure Disrupts Feeding Behavior and Fatty Acid Metabolism in Adult Drosophila. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.15.553385. [PMID: 37645868 PMCID: PMC10462055 DOI: 10.1101/2023.08.15.553385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
The ease of genetic manipulation in Drosophila melanogaster using the Gal4/UAS system has been beneficial in addressing key biological questions. Current modifications of this methodology to temporally induce transgene expression require temperature changes or exposure to exogenous compounds, both of which have been shown to have detrimental effects on physiological processes. The recently described auxin-inducible gene expression system (AGES) utilizes the plant hormone auxin to induce transgene expression and is proposed to be the least toxic compound for genetic manipulation, with no obvious effects on Drosophila development and survival in one wild-type strain. Here we show that auxin delays larval development in another widely-used fly strain, and that short- and long-term auxin exposure in adult Drosophila induces observable changes in physiology and feeding behavior. We further reveal a dosage response to adult survival upon auxin exposure, and that the recommended auxin concentration for AGES alters feeding activity. Furthermore, auxin fed male and female flies exhibit a significant decrease in triglyceride levels and display altered transcription of fatty acid metabolism genes. Although fatty acid metabolism is disrupted, auxin does not significantly impact adult female fecundity or progeny survival, suggesting AGES may be an ideal methodology for studying limited biological processes. These results emphasize that experiments using temporal binary systems must be carefully designed and controlled to avoid confounding effects and misinterpretation of results.
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Affiliation(s)
- Sophie A. Fleck
- Department of Biology, Indiana University, Bloomington, IN 47405, USA
| | - Puja Biswas
- Department of Cellular and Physiological Sciences, Life Sciences Institute, The University of British Columbia, Vancouver, BC, V6T 1Z3, Canada
| | - Emily D. DeWitt
- Department of Biology, Indiana University, Bloomington, IN 47405, USA
| | | | - Robert C. Eisman
- Department of Biology, Indiana University, Bloomington, IN 47405, USA
| | - Travis Nemkov
- Department of Biochemistry and Molecular Genetics, Anschutz Medical Campus, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Angelo D’Alessandro
- Department of Biochemistry and Molecular Genetics, Anschutz Medical Campus, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | | | - Elizabeth J. Rideout
- Department of Cellular and Physiological Sciences, Life Sciences Institute, The University of British Columbia, Vancouver, BC, V6T 1Z3, Canada
| | - Lesley N. Weaver
- Department of Biology, Indiana University, Bloomington, IN 47405, USA
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Singh DP, Maurya S, Yerasu SR, Bisen MS, Farag MA, Prabha R, Shukla R, Chaturvedi KK, Farooqi MS, Srivastava S, Rai A, Sarma BK, Rai N, Behera TK. Metabolomics of early blight (Alternaria solani) susceptible tomato (Solanum lycopersicum) unfolds key biomarker metabolites and involved metabolic pathways. Sci Rep 2023; 13:21023. [PMID: 38030710 PMCID: PMC10687106 DOI: 10.1038/s41598-023-48269-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 11/24/2023] [Indexed: 12/01/2023] Open
Abstract
Tomato (Solanum lycopersicum) is among the most important commercial horticultural crops worldwide. The crop quality and production is largely hampered due to the fungal pathogen Alternaria solani causing necrotrophic foliage early blight disease. Crop plants usually respond to the biotic challenges with altered metabolic composition and physiological perturbations. We have deciphered altered metabolite composition, modulated metabolic pathways and identified metabolite biomarkers in A. solani-challenged susceptible tomato variety Kashi Aman using Liquid Chromatography-Mass Spectrometry (LC-MS) based metabolomics. Alteration in the metabolite feature composition of pathogen-challenged (m/z 9405) and non-challenged (m/z 9667) plant leaves including 8487 infection-exclusive and 8742 non-infection exclusive features was observed. Functional annotation revealed putatively annotated metabolites and pathway mapping indicated their enrichment in metabolic pathways, biosynthesis of secondary metabolites, ubiquinone and terpenoid-quinones, brassinosteroids, steroids, terpenoids, phenylpropanoids, carotenoids, oxy/sphingolipids and metabolism of biotin and porphyrin. PCA, multivariate PLS-DA and OPLS-DA analysis showed sample discrimination. Significantly up regulated 481 and down regulated 548 metabolite features were identified based on the fold change (threshold ≥ 2.0). OPLS-DA model based on variable importance in projection (VIP scores) and FC threshold (> 2.0) revealed 41 up regulated discriminant metabolite features annotated as sphingosine, fecosterol, melatonin, serotonin, glucose 6-phosphate, zeatin, dihydrozeatin and zeatin-β-D-glucoside. Similarly, 23 down regulated discriminant metabolites included histidinol, 4-aminobutyraldehyde, propanoate, tyramine and linalool. Melatonin and serotonin in the leaves were the two indoleamines being reported for the first time in tomato in response to the early blight pathogen. Receiver operating characteristic (ROC)-based biomarker analysis identified apigenin-7-glucoside, uridine, adenosyl-homocysteine, cGMP, tyrosine, pantothenic acid, riboflavin (as up regulated) and adenosine, homocyctine and azmaline (as down regulated) biomarkers. These results could aid in the development of metabolite-quantitative trait loci (mQTL). Furthermore, stress-induced biosynthetic pathways may be the potential targets for modifications through breeding programs or genetic engineering for improving crop performance in the fields.
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Affiliation(s)
| | - Sudarshan Maurya
- ICAR-Indian Institute of Vegetable Research, Varanasi, 221305, India
| | | | - Mansi Singh Bisen
- ICAR-Indian Institute of Vegetable Research, Varanasi, 221305, India
| | - Mohamed A Farag
- Pharmacognosy Department, College of Pharmacy, Cairo University, Cairo, Egypt
| | - Ratna Prabha
- ICAR-Indian Agricultural Statistics Research Institute, Library Avenue, New Delhi, India
| | - Renu Shukla
- Indian Council of Agricultural Research, New Delhi, 110012, India
| | | | - Md Samir Farooqi
- ICAR-Indian Agricultural Statistics Research Institute, Library Avenue, New Delhi, India
| | - Sudhir Srivastava
- ICAR-Indian Agricultural Statistics Research Institute, Library Avenue, New Delhi, India
| | - Anil Rai
- ICAR-Indian Agricultural Statistics Research Institute, Library Avenue, New Delhi, India
- Indian Council of Agricultural Research, New Delhi, 110012, India
| | - Birinchi Kumar Sarma
- Department of Mycology and Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Nagendra Rai
- ICAR-Indian Institute of Vegetable Research, Varanasi, 221305, India
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Xi R, Liu H, Chen Y, Zhuang H, Han H, Wang H, Wang Q, Li N. Genome-Wide Characterization of Tomato FAD Gene Family and Expression Analysis under Abiotic Stresses. PLANTS (BASEL, SWITZERLAND) 2023; 12:3818. [PMID: 38005715 PMCID: PMC10675527 DOI: 10.3390/plants12223818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 11/06/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023]
Abstract
The fatty acid desaturase (FAD) gene family plays a crucial regulatory role in the resistance process of plant biomembranes. To understand the role of FADs in tomato growth and development, this study identified and analyzed the tomato FAD gene family based on bioinformatics analysis methods. In this study, 26 SlFADs were unevenly distributed on 10 chromosomes. Phylogenetic analysis showed that the SlFAD gene family was divided into six branches, and the exon-intron composition and conserved motifs of SlFADs clustered in the same branch were quite conservative. Several hormone and stress response elements in the SlFAD promoter suggest that the expression of SlFAD members is subject to complex regulation; the construction of a tomato FAD protein interaction network found that SlFAD proteins have apparent synergistic effects with SPA and GPAT proteins. qRT-PCR verification results show that SlFAD participates in the expression of tomato root, stem, and leaf tissues; SlFAD8 is mainly highly expressed in leaves; SlFAD9 plays a vital role in response to salt stress; and SlFAB5 regulates all stages of fruit development under the action of exogenous hormones. In summary, this study provides a basis for a systematic understanding of the SlFAD gene family. It provides a theoretical basis for in-depth research on the functional characteristics of tomato SlFAD genes.
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Affiliation(s)
- Rui Xi
- Institute of Horticulture Crops, Xinjiang Academy of Agricultural Sciences/Xingjiang Engineering Research Center for Vegetables, Urumqi 830091, China; (R.X.); (H.L.); (Y.C.); (H.Z.); (H.H.); (H.W.)
- The State Key Laboratory of Genetic Improvement and Germplasm Innovation of Crop Resistance in Arid Desert Regions (Preparation), Institute of Horticultural Crops, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China
- College of Horticulture, Xinjiang Agricultural University, Urumqi 830052, China
| | - Huifang Liu
- Institute of Horticulture Crops, Xinjiang Academy of Agricultural Sciences/Xingjiang Engineering Research Center for Vegetables, Urumqi 830091, China; (R.X.); (H.L.); (Y.C.); (H.Z.); (H.H.); (H.W.)
| | - Yijia Chen
- Institute of Horticulture Crops, Xinjiang Academy of Agricultural Sciences/Xingjiang Engineering Research Center for Vegetables, Urumqi 830091, China; (R.X.); (H.L.); (Y.C.); (H.Z.); (H.H.); (H.W.)
- The State Key Laboratory of Genetic Improvement and Germplasm Innovation of Crop Resistance in Arid Desert Regions (Preparation), Institute of Horticultural Crops, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China
- College of Horticulture, Xinjiang Agricultural University, Urumqi 830052, China
| | - Hongmei Zhuang
- Institute of Horticulture Crops, Xinjiang Academy of Agricultural Sciences/Xingjiang Engineering Research Center for Vegetables, Urumqi 830091, China; (R.X.); (H.L.); (Y.C.); (H.Z.); (H.H.); (H.W.)
| | - Hongwei Han
- Institute of Horticulture Crops, Xinjiang Academy of Agricultural Sciences/Xingjiang Engineering Research Center for Vegetables, Urumqi 830091, China; (R.X.); (H.L.); (Y.C.); (H.Z.); (H.H.); (H.W.)
| | - Hao Wang
- Institute of Horticulture Crops, Xinjiang Academy of Agricultural Sciences/Xingjiang Engineering Research Center for Vegetables, Urumqi 830091, China; (R.X.); (H.L.); (Y.C.); (H.Z.); (H.H.); (H.W.)
| | - Qiang Wang
- Institute of Horticulture Crops, Xinjiang Academy of Agricultural Sciences/Xingjiang Engineering Research Center for Vegetables, Urumqi 830091, China; (R.X.); (H.L.); (Y.C.); (H.Z.); (H.H.); (H.W.)
| | - Ning Li
- Institute of Horticulture Crops, Xinjiang Academy of Agricultural Sciences/Xingjiang Engineering Research Center for Vegetables, Urumqi 830091, China; (R.X.); (H.L.); (Y.C.); (H.Z.); (H.H.); (H.W.)
- The State Key Laboratory of Genetic Improvement and Germplasm Innovation of Crop Resistance in Arid Desert Regions (Preparation), Institute of Horticultural Crops, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China
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Lee JH, Cho DY, Jang KJ, Jeong JB, Lee GY, Jang MY, Son KH, Lee JH, Lee HY, Cho KM. Changes in Nutrient Components and Digestive Enzymatic Inhibition Activities in Soy Leaves by Ethephon Treatment. PLANTS (BASEL, SWITZERLAND) 2023; 12:3640. [PMID: 37896103 PMCID: PMC10609866 DOI: 10.3390/plants12203640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 10/12/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023]
Abstract
In this study, the high isoflavone-enriched soy leaves (IESLs) were manufactured by treating with the chemical inducer ethephon, a plant growth regulator, to confirm changes in the properties of soy leaves (SLs), which are underutilized. Ethephon treatment concentrations consisted of 0 (SL1), 150 (SL2), and 300 (SL3) μg/mL. The composition analysis and physiological activity were conducted according to the ethephon treatment concentration of SLs. There was no significant difference in the proximate composition and fatty acids, except for an increase with increasing ethephon treatment concentrations. Depending on the ethephon treatment concentration, free amino acids increased to 1413.0, 1569.8, and 2100.4 mg/100 g, and water-soluble vitamins increased to 246.7, 244.7, and 501.6 mg/100 g. In particular, the functional substance isoflavone increased significantly to 1430.11, 7806.42, and 14,968.00 μg/g. Through this study, it was confirmed that the nutritional components and isoflavones of SLs increased according to the ethephon treatment concentration, a chemical inducer treatment agent. This can be used as a high-value-added biosubstance for raw materials for functional foods, cosmetics, and for natural drugs.
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Affiliation(s)
- Ji Ho Lee
- Department of Green Bio Science and Agri-Food Bio Convergence Institute, Gyeongsang National University, Jinju 52725, Republic of Korea (K.H.S.)
| | - Du Yong Cho
- Department of Green Bio Science and Agri-Food Bio Convergence Institute, Gyeongsang National University, Jinju 52725, Republic of Korea (K.H.S.)
| | - Kyeong Jin Jang
- Department of Green Bio Science and Agri-Food Bio Convergence Institute, Gyeongsang National University, Jinju 52725, Republic of Korea (K.H.S.)
| | - Jong Bin Jeong
- Department of Green Bio Science and Agri-Food Bio Convergence Institute, Gyeongsang National University, Jinju 52725, Republic of Korea (K.H.S.)
| | - Ga Young Lee
- Department of Green Bio Science and Agri-Food Bio Convergence Institute, Gyeongsang National University, Jinju 52725, Republic of Korea (K.H.S.)
| | - Mu Yeun Jang
- Department of Food Science, Gyeongsang National University, Naedongro 139-8, Jinju 52849, Republic of Korea
| | - Ki Ho Son
- Department of Green Bio Science and Agri-Food Bio Convergence Institute, Gyeongsang National University, Jinju 52725, Republic of Korea (K.H.S.)
- Division of Horticultural Science, Gyeongsang National University, Jinju 52725, Republic of Korea
| | - Jin Hwan Lee
- Department of Life Resource Industry, Dong-A University, 37, Nakdong-daero 550 beon-gil, Saha-gu, Busan 49315, Republic of Korea;
| | - Hee Yul Lee
- Department of Green Bio Science and Agri-Food Bio Convergence Institute, Gyeongsang National University, Jinju 52725, Republic of Korea (K.H.S.)
| | - Kye Man Cho
- Department of Green Bio Science and Agri-Food Bio Convergence Institute, Gyeongsang National University, Jinju 52725, Republic of Korea (K.H.S.)
- Department of Food Science, Gyeongsang National University, Naedongro 139-8, Jinju 52849, Republic of Korea
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Zaharieva A, Rusanov K, Rusanova M, Paunov M, Yordanova Z, Mantovska D, Tsacheva I, Petrova D, Mishev K, Dobrev PI, Lacek J, Filepová R, Zehirov G, Vassileva V, Mišić D, Motyka V, Chaneva G, Zhiponova M. Uncovering the Interrelation between Metabolite Profiles and Bioactivity of In Vitro- and Wild-Grown Catmint ( Nepeta nuda L.). Metabolites 2023; 13:1099. [PMID: 37887424 PMCID: PMC10609352 DOI: 10.3390/metabo13101099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/14/2023] [Accepted: 10/18/2023] [Indexed: 10/28/2023] Open
Abstract
Nepeta nuda L. is a medicinal plant enriched with secondary metabolites serving to attract pollinators and deter herbivores. Phenolics and iridoids of N. nuda have been extensively investigated because of their beneficial impacts on human health. This study explores the chemical profiles of in vitro shoots and wild-grown N. nuda plants (flowers and leaves) through metabolomic analysis utilizing gas chromatography and mass spectrometry (GC-MS). Initially, we examined the differences in the volatiles' composition in in vitro-cultivated shoots comparing them with flowers and leaves from plants growing in natural environment. The characteristic iridoid 4a-α,7-β,7a-α-nepetalactone was highly represented in shoots of in vitro plants and in flowers of plants from nature populations, whereas most of the monoterpenes were abundant in leaves of wild-grown plants. The known in vitro biological activities encompassing antioxidant, antiviral, antibacterial potentials alongside the newly assessed anti-inflammatory effects exhibited consistent associations with the total content of phenolics, reducing sugars, and the identified metabolic profiles in polar (organic acids, amino acids, alcohols, sugars, phenolics) and non-polar (fatty acids, alkanes, sterols) fractions. Phytohormonal levels were also quantified to infer the regulatory pathways governing phytochemical production. The overall dataset highlighted compounds with the potential to contribute to N. nuda bioactivity.
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Affiliation(s)
- Anna Zaharieva
- Department of Plant Physiology, Faculty of Biology, Sofia University “St. Kliment Ohridski”, 1164 Sofia, Bulgaria; (A.Z.); (Z.Y.); (D.M.); (D.P.); (G.C.)
| | - Krasimir Rusanov
- Department of Agrobiotechnology, Agrobioinstitute, Agricultural Academy, 1164 Sofia, Bulgaria; (K.R.)
| | - Mila Rusanova
- Department of Agrobiotechnology, Agrobioinstitute, Agricultural Academy, 1164 Sofia, Bulgaria; (K.R.)
| | - Momchil Paunov
- Department of Biophysics and Radiobiology, Faculty of Biology, Sofia University, 1164 Sofia, Bulgaria;
| | - Zhenya Yordanova
- Department of Plant Physiology, Faculty of Biology, Sofia University “St. Kliment Ohridski”, 1164 Sofia, Bulgaria; (A.Z.); (Z.Y.); (D.M.); (D.P.); (G.C.)
| | - Desislava Mantovska
- Department of Plant Physiology, Faculty of Biology, Sofia University “St. Kliment Ohridski”, 1164 Sofia, Bulgaria; (A.Z.); (Z.Y.); (D.M.); (D.P.); (G.C.)
| | - Ivanka Tsacheva
- Department of Biochemistry, Faculty of Biology, Sofia University, 1164 Sofia, Bulgaria;
| | - Detelina Petrova
- Department of Plant Physiology, Faculty of Biology, Sofia University “St. Kliment Ohridski”, 1164 Sofia, Bulgaria; (A.Z.); (Z.Y.); (D.M.); (D.P.); (G.C.)
| | - Kiril Mishev
- Department of Molecular Biology and Genetics, Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (K.M.); (G.Z.); (V.V.)
| | - Petre I. Dobrev
- Laboratory of Hormonal Regulations in Plants, Institute of Experimental Botany of the Czech Academy of Sciences, 165 02 Praha, Czech Republic; (P.I.D.); (J.L.); (R.F.); (V.M.)
| | - Jozef Lacek
- Laboratory of Hormonal Regulations in Plants, Institute of Experimental Botany of the Czech Academy of Sciences, 165 02 Praha, Czech Republic; (P.I.D.); (J.L.); (R.F.); (V.M.)
| | - Roberta Filepová
- Laboratory of Hormonal Regulations in Plants, Institute of Experimental Botany of the Czech Academy of Sciences, 165 02 Praha, Czech Republic; (P.I.D.); (J.L.); (R.F.); (V.M.)
| | - Grigor Zehirov
- Department of Molecular Biology and Genetics, Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (K.M.); (G.Z.); (V.V.)
| | - Valya Vassileva
- Department of Molecular Biology and Genetics, Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (K.M.); (G.Z.); (V.V.)
| | - Danijela Mišić
- Department of Plant Physiology, Institute for Biological Research “Siniša Stanković”, National Institute of the Republic of Serbia, University of Belgrade, 11060 Belgrade, Serbia;
| | - Václav Motyka
- Laboratory of Hormonal Regulations in Plants, Institute of Experimental Botany of the Czech Academy of Sciences, 165 02 Praha, Czech Republic; (P.I.D.); (J.L.); (R.F.); (V.M.)
| | - Ganka Chaneva
- Department of Plant Physiology, Faculty of Biology, Sofia University “St. Kliment Ohridski”, 1164 Sofia, Bulgaria; (A.Z.); (Z.Y.); (D.M.); (D.P.); (G.C.)
| | - Miroslava Zhiponova
- Department of Plant Physiology, Faculty of Biology, Sofia University “St. Kliment Ohridski”, 1164 Sofia, Bulgaria; (A.Z.); (Z.Y.); (D.M.); (D.P.); (G.C.)
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Lee C, Cooper JT, Moroni F, Salim AM, Lee C, Spanbauer T, Theriot EC. Complete plastome of Coelastrum microporum Nägeli (Scenedesmaceae, Sphaeropleales). Mitochondrial DNA B Resour 2023; 8:948-951. [PMID: 37701527 PMCID: PMC10494757 DOI: 10.1080/23802359.2023.2252941] [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: 12/13/2022] [Accepted: 08/23/2023] [Indexed: 09/14/2023] Open
Abstract
The genus Coelastrum Nägeli (Sphaeropleales; Scenedesmaceae) is a diverse genus of green algae with potential biotechnical applications. A sound understanding of its phylogeny will be a useful tool for predicting the distribution of traits that may enhance its utility, and may lead to a better understanding of its evolution and ecology. Here we present the plastome of Coelastrum microporum. Our exemplar was isolated from Gull Lake, Michigan and the complete plastome as assembled was 169,961 bp in length. The plastome contained 104 genes of which 68 were protein-coding genes (CDSs), 27 tRNA genes and three rRNA genes. The GC content of the plastome was 31.2%. The maximum likelihood phylogeny suggested that C. microporum was the sister group to a clade of single exemplars of three other genera in the Scenedesmaceae (Tetradesmus, Pectinodesmus and Coelastrella).
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Affiliation(s)
- Chanhee Lee
- Plant Biology Graduate Program, University of Texas at Austin, Austin, Texas, USA
| | - Joshua T. Cooper
- Department of Biological Sciences, Northern Kentucky University, Highland Heights, Kentucky, USA
| | - Francesca Moroni
- Plant Biology Graduate Program, University of Texas at Austin, Austin, Texas, USA
| | - Ana M. Salim
- Plant Biology Graduate Program, University of Texas at Austin, Austin, Texas, USA
| | - Chaehee Lee
- Department of Plant Sciences, University of California Davis, Davis, California, USA
| | - Trisha Spanbauer
- Department of Environmental Sciences and Lake Erie Center, University of Toledo, Toledo, Ohio, USA
| | - Edward C. Theriot
- Department of Integrative Biology, University of Texas at Austin, Austin, Texas, USA
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36
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Yin F, Qin Z. Long-Chain Molecules with Agro-Bioactivities and Their Applications. Molecules 2023; 28:5880. [PMID: 37570848 PMCID: PMC10421526 DOI: 10.3390/molecules28155880] [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: 07/10/2023] [Revised: 07/31/2023] [Accepted: 07/31/2023] [Indexed: 08/13/2023] Open
Abstract
Long-chain molecules play a vital role in agricultural production and find extensive use as fungicides, insecticides, acaricides, herbicides, and plant growth regulators. This review article specifically addresses the agricultural biological activities and applications of long-chain molecules. The utilization of long-chain molecules in the development of pesticides is an appealing avenue for designing novel pesticide compounds. By offering valuable insights, this article serves as a useful reference for the design of new long-chain molecules for pesticide applications.
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Affiliation(s)
| | - Zhaohai Qin
- College of Science, China Agricultural University, Beijing 100193, China;
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37
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Su S, Tang P, Zuo R, Chen H, Zhao T, Yang S, Yang J. Exogenous Jasmonic Acid Alleviates Blast Resistance Reduction Caused by LOX3 Knockout in Rice. Biomolecules 2023; 13:1197. [PMID: 37627262 PMCID: PMC10452216 DOI: 10.3390/biom13081197] [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: 06/14/2023] [Revised: 07/26/2023] [Accepted: 07/29/2023] [Indexed: 08/27/2023] Open
Abstract
Lipoxygenase 3 (LOX3) is a lipid peroxidase found in rice embryos that is known to affect seed quality. Interestingly, deletion of the LOX3 gene has been shown to improve rice seed quality but decrease resistance to rice blast disease and drought. To investigate these opposing effects, we generated a LOX3 knockout construct (ΔLox3) in rice (Oryza sativa L.) plants. Blast resistance and transcription levels of rice genes in ΔLox3 rice plants and the effects of exogenous jasmonic acid (JA) on resistance and transcriptional levels of rice genes in Magnaporthe oryzae-infected ΔLox3 rice plants were further elucidated. The results showed that the ΔLox3 plants exhibited normal phenotypes, with high levels of methyl-linolenate and reactive oxygen species (ROS), and the genes involved in three Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways contributed to rice seed quality. M. oryzae-infected ΔLox3 plants exhibited serious blast symptoms with a reduced defense response but increased ROS-mediated cell death, and the genes involved in seven KEGG pathways contributed to rice seed quality. Exogenous JA treatment alleviated blast symptoms in infected ΔLox3 plants by hindering hyphal expansion, inhibiting ROS-mediated cell death, and increasing the defense response, and genes involved in 12 KEGG pathways contributed to rice seed quality. These findings demonstrate that LOX3 plays an important role in rice growth and defense, and its knockout improves rice quality at the expense of disease resistance. Exogenous JA provides a means to compensate for the reduction in defense responses of LOX3 knockout rice lines, suggesting potential applications in agricultural production.
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Affiliation(s)
- Shunyu Su
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China; (S.S.); (P.T.); (R.Z.); (H.C.); (T.Z.); (S.Y.)
- Key Laboratory of Agro-Biodiversity and Pest Management of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| | - Ping Tang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China; (S.S.); (P.T.); (R.Z.); (H.C.); (T.Z.); (S.Y.)
- Key Laboratory of Agro-Biodiversity and Pest Management of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| | - Rubin Zuo
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China; (S.S.); (P.T.); (R.Z.); (H.C.); (T.Z.); (S.Y.)
- Key Laboratory of Agro-Biodiversity and Pest Management of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| | - Hongfeng Chen
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China; (S.S.); (P.T.); (R.Z.); (H.C.); (T.Z.); (S.Y.)
- Key Laboratory of Agro-Biodiversity and Pest Management of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| | - Tianqi Zhao
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China; (S.S.); (P.T.); (R.Z.); (H.C.); (T.Z.); (S.Y.)
- Key Laboratory of Agro-Biodiversity and Pest Management of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| | - Shumin Yang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China; (S.S.); (P.T.); (R.Z.); (H.C.); (T.Z.); (S.Y.)
- Key Laboratory of Agro-Biodiversity and Pest Management of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
| | - Jing Yang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming 650201, China; (S.S.); (P.T.); (R.Z.); (H.C.); (T.Z.); (S.Y.)
- Key Laboratory of Agro-Biodiversity and Pest Management of Ministry of Education, Yunnan Agricultural University, Kunming 650201, China
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38
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Franco AC, de Melo RB, Ferreira CS, Williams TCR. Anemochorous and zoochorous seeds of trees from the Brazilian savannas differ in fatty acid content and composition. AOB PLANTS 2023; 15:plad042. [PMID: 37600502 PMCID: PMC10433789 DOI: 10.1093/aobpla/plad042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 07/04/2023] [Indexed: 08/22/2023]
Abstract
Fatty acids (FAs) stored as triacylglycerols (TAGs) are an important source of carbon and energy for germination and seedling development, particularly for plants with small wind-dispersed seeds, allowing greater efficiency in storing both energy and carbon. These plants should be under strong selection to produce seeds rich in FAs and with large amounts of saturated FAs. Their closely packed single-chain configuration allows greater packing, more carbon and energy per unit mass, and are less costly to produce. Efficient carbon storage would be less crucial for zoochorous species, which can reach much larger seed sizes (mass). We analysed the transesterified FA profile from seeds of 22 anemochorous and zoochorous tree species from the Cerrado savannas of Central Brazil. We tested if seed FA content covaried with seed mass and if anemochorous and zoochorous seeds differed in FA contents and distribution. Fatty acids were an important seed source of carbon and energy for most species. Fifteen different FAs were identified. Oleic, linoleic and linolenic tended to be the predominant unsaturated FAs. Oleic acid corresponded to more than 60 % of the total transesterified FAs in seeds of Kielmeyera coriacea, Qualea dichotoma and Triplaris americana. Linoleic acid corresponded to more than 50 % of total FA in Dalbergia miscolobium, Parkia platycephala and Ferdinandusa elliptica while linolenic acid was the dominant component in Inga cylindrica. Across species, palmitic and stearic were the dominant saturated FAs. The only exception was lauric acid (68 % of total FA) in seeds of Qualea grandiflora. On a log10 scale, as the seed increased in mass, accumulation of FAs tends to proceed at a faster rate in anemochorous species than in zoochorous species. They also became increasingly richer in saturated FAs. Zoochorous species had seed TAGs with higher proportion of polyunsaturated FAs.
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Affiliation(s)
- Augusto Cesar Franco
- Department of Botany, University of Brasilia, Campus Universitário Darcy Ribeiro, Brasilia, DF 70910-900, Brazil
| | - Risolandia Bezerra de Melo
- Department of Physiological Sciences, University of Brasilia, Campus Universitário Darcy Ribeiro, Brasilia, DF 70910-900, Brazil
| | - Cristiane Silva Ferreira
- Department of Botany, University of Brasilia, Campus Universitário Darcy Ribeiro, Brasilia, DF 70910-900, Brazil
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Pecio Ł, Kozachok S, Saber FR, Garcia-Marti M, El-Amier Y, Mahrous EA, Świątek Ł, Boguszewska A, Skiba A, Elosaily AH, Skalicka-Woźniak K, Simal-Gandara J. Metabolic profiling of Ochradenus baccatus Delile. utilizing UHPLC-HRESIMS in relation to the in vitro biological investigations. Food Chem 2023; 412:135587. [PMID: 36739726 DOI: 10.1016/j.foodchem.2023.135587] [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: 08/20/2022] [Revised: 12/21/2022] [Accepted: 01/25/2023] [Indexed: 01/28/2023]
Abstract
Ochradenus baccatus Delile (Resedaceae) is a desert plant with edible fruits native to the Middle East. Few investigators have reported antibacterial, antiparasitic and anti-cancer activities of the plant. Herein we evaluated the cytotoxic activity of O. baccatus using four cell lines and a zebrafish embryo model. Additionally, liquid chromatography coupled with mass spectroscopy was performed to characterize the extract's main constituents. The highest cytotoxicity was observed against human cervical adenocarcinoma (HeLa), with CC50 of 39.1 µg/mL and a selectivity index (SI) of 7.23 (p < 0.01). Metabolic analysis of the extract resulted in the annotation of 57 metabolites, including fatty acids, flavonoids, glucosinolates, nitrile glycosides, in addition to organic acids. The extract showed an abundance of hydroxylated fatty acids (16 peaks). Further, 3 nitrile glycosides have been identified for the first time in Ochradenus sp., in addition to 2 glucosinolates. These identified phytochemicals may partially explain the cytotoxic activity of the extract. We propose O. baccatus as a possible safe food source for further utilization to partially contribute to the increasing food demand specially in Saharan countries.
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Affiliation(s)
- Łukasz Pecio
- Department of Biochemistry and Crop Quality, Institute of Soil Science and Plant Cultivation-State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland; Department of Natural Products Chemistry, Medical University of Lublin, Lublin 20-093, Poland.
| | - Solomiia Kozachok
- Department of Biochemistry and Crop Quality, Institute of Soil Science and Plant Cultivation-State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland.
| | - Fatema R Saber
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, 11562 Cairo, Egypt.
| | - Maria Garcia-Marti
- Universidade de Vigo, Nutrition and Bromatology Group, Analytical Chemistry and Food Science Department, Faculty of Science, E32004 Ourense, Spain
| | - Yasser El-Amier
- Department of Botany, Faculty of Science, Mansoura University, Mansoura 35516, Egypt.
| | - Engy A Mahrous
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, 11562 Cairo, Egypt.
| | - Łukasz Świątek
- Department of Virology with SARS Laboratory, Medical University of Lublin, Poland.
| | | | - Adrianna Skiba
- Department of Natural Products Chemistry, Medical University of Lublin, Lublin 20-093, Poland.
| | - Ahmed H Elosaily
- Department of Pharmacognosy, Faculty of Pharmacy, Ahram Canadian University, Giza 12573, Egypt
| | | | - Jesus Simal-Gandara
- Universidade de Vigo, Nutrition and Bromatology Group, Analytical Chemistry and Food Science Department, Faculty of Science, E32004 Ourense, Spain.
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40
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Vasilieva AR, Slynko NM, Tatarova LE, Efimov VM, Kuibida LV, Asbaganov SV, Peltek SE. A GC-MS Chemotaxonomic Study on Lipophilic Compounds in the Bark of S. aucuparia subsp. sibirica Trees from the Population Growing in Akademgorodok, Novosibirsk (Russia). Metabolites 2023; 13:768. [PMID: 37367925 DOI: 10.3390/metabo13060768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 06/13/2023] [Accepted: 06/16/2023] [Indexed: 06/28/2023] Open
Abstract
Determination of chemotypes and of their role in the polymorphism of populations is an important field in the research on secondary metabolites of plants. In the present study, by gas chromatography coupled with mass spectrometry, the composition of bark extracts from rowan S. aucuparia subsp. sibirica was determined for 16 trees growing within Akademgorodok of Novosibirsk, with bark samples collected both in winter and summer. Among 101 fully or partially identified metabolites, there are alkanes, alkenes, linear alcohols, fatty acids and their derivatives, phenols and their derivatives, prunasin and its parent and derivative compounds, polyprenes and their derivatives, cyclic diterpenes, and phytosterols. These compounds were grouped according to their biosynthesis pathways. Cluster analysis revealed two groups among the bark samples collected in winter and three groups among bark samples collected in summer. The key determinants of this clustering are the biosynthesis of metabolites via the cyanogenic pathway (especially potentially toxic prunasin) and their formation via the phytosterol pathway (especially potentially pharmacologically useful lupeol). It follows from the results that the presence of chemotypes having sharply different profiles of metabolites in a population from a small geographic area invalidates the practice of general sampling to obtain averaged data when a population is described. From the standpoint of possible industrial use or plant selection based on metabolomic data, it is possible to select specific sets of samples containing a minimal amount of potentially toxic compounds and the largest amount of potentially useful substances.
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Affiliation(s)
- Asya R Vasilieva
- Federal Research Center, Institute of Cytology and Genetics of SB RAS, 630090 Novosibirsk, Russia
- Kurchatov Genomic Center, Federal Research Center ICG, SB RAS, 630090 Novosibirsk, Russia
| | - Nikolay M Slynko
- Federal Research Center, Institute of Cytology and Genetics of SB RAS, 630090 Novosibirsk, Russia
- Kurchatov Genomic Center, Federal Research Center ICG, SB RAS, 630090 Novosibirsk, Russia
| | - Ljudmila E Tatarova
- Federal Research Center, Institute of Cytology and Genetics of SB RAS, 630090 Novosibirsk, Russia
- Kurchatov Genomic Center, Federal Research Center ICG, SB RAS, 630090 Novosibirsk, Russia
| | - Vadim M Efimov
- Federal Research Center, Institute of Cytology and Genetics of SB RAS, 630090 Novosibirsk, Russia
| | - Leonid V Kuibida
- Institute of Chemical Kinetics and Combustion of SB RAS, 630090 Novosibirsk, Russia
| | | | - Sergey E Peltek
- Federal Research Center, Institute of Cytology and Genetics of SB RAS, 630090 Novosibirsk, Russia
- Kurchatov Genomic Center, Federal Research Center ICG, SB RAS, 630090 Novosibirsk, Russia
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Pagura L, Dumoulin PC, Ellis CC, Mendes MT, Estevao IL, Almeida IC, Burleigh BA. Fatty acid elongases 1-3 have distinct roles in mitochondrial function, growth, and lipid homeostasis in Trypanosoma cruzi. J Biol Chem 2023; 299:104715. [PMID: 37061002 PMCID: PMC10203773 DOI: 10.1016/j.jbc.2023.104715] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/07/2023] [Accepted: 04/08/2023] [Indexed: 04/17/2023] Open
Abstract
Trypanosomatids are a diverse group of uniflagellate protozoan parasites that include globally relevant pathogens such as Trypanosoma cruzi, the causative agent of Chagas disease. Trypanosomes lack the fatty acid synthase system typically used for de novo fatty acid (FA) synthesis in other eukaryotes. Instead, these microbes have evolved a modular FA elongase (ELO) system comprised of individual ELO enzymes (ELO1-4) that can operate processively to generate long chain- and very long chain-FAs. The importance of ELO's for maintaining lipid homeostasis in trypanosomatids is currently unclear, given their ability to take up and utilize exogenous FAs for lipid synthesis. To assess ELO function in T. cruzi, we generated individual KO lines, Δelo1, Δelo2, and Δelo3, in which the genes encoding ELO1-3 were functionally disrupted in the parasite insect stage (epimastigote). Using unbiased lipidomic and metabolomic analyses, in combination with metabolic tracing and biochemical approaches, we demonstrate that ELO2 and ELO3 are required for global lipid homeostasis, whereas ELO1 is dispensable for this function. Instead, ELO1 activity is needed to sustain mitochondrial activity and normal growth in T. cruzi epimastigotes. The cross-talk between microsomal ELO1 and the mitochondrion is a novel finding that, we propose, merits further examination of the trypanosomatid ELO pathway as critical for central metabolism.
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Affiliation(s)
- Lucas Pagura
- Department of Immunology and Infectious Diseases, Harvard T. H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Peter C Dumoulin
- Department of Immunology and Infectious Diseases, Harvard T. H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Cameron C Ellis
- Department of Biological Sciences, Border Biomedical Research Center, University of Texas at El Paso, El Paso, Texas, USA
| | - Maria T Mendes
- Department of Biological Sciences, Border Biomedical Research Center, University of Texas at El Paso, El Paso, Texas, USA
| | - Igor L Estevao
- Department of Biological Sciences, Border Biomedical Research Center, University of Texas at El Paso, El Paso, Texas, USA
| | - Igor C Almeida
- Department of Biological Sciences, Border Biomedical Research Center, University of Texas at El Paso, El Paso, Texas, USA.
| | - Barbara A Burleigh
- Department of Immunology and Infectious Diseases, Harvard T. H. Chan School of Public Health, Boston, Massachusetts, USA.
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42
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Liu Y, Shen N, Xin H, Yu L, Xu Q, Cui Y. Unsaturated fatty acids in natural edible resources, a systematic review of classification, resources, biosynthesis, biological activities and application. FOOD BIOSCI 2023; 53:102790. [DOI: 10.1016/j.fbio.2023.102790] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2024]
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43
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Geng X, Jia X, Liu L, Ma S, Liu H, Liu T. Gametophyte phase of commercial kelps, the potential food supplements for essential fatty acids and n-3 polyunsaturated fatty acids. J Food Sci 2023; 88:2411-2424. [PMID: 37167001 DOI: 10.1111/1750-3841.16596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 03/07/2023] [Accepted: 04/14/2023] [Indexed: 05/12/2023]
Abstract
For heteromorphic algae with alternating generations, the thallus and gametophyte phases are different morphologies in free-living life history. The thalli are popular used as traditional vegetables and herbal drugs, whereas the gametophyte phases are little involved. To better understand the functional lipids in the gametophyte phase of three commercial kelps, Saccharina japonica, Undaria pinnatifida, and Costaria costata, the contents of total lipids (TLs), fatty acid (FA) profiles, and transcriptomic analysis were performed. For the studied kelps, the TL contents in gametophyte phase were always almost twice more than those in the thallus, and the kelp species, their life stage, and the gender were critical factors affecting lipid accumulation. The gametophyte phases of U. pinnatifida and C. costata were rich in essential FA C18:2 n - 6 and C18:3 n - 3. The S. japonica gametophyte phase contained abundant C20:5 n - 3 and C18:4 n - 3, possessed an ideal ratio of n - 6/n - 3 polyunsaturated fatty acid below 1.0, and was supported by the transcriptome data which showed that the key sjD12/15 (n - 3) gene of gametophyte partially upregulated than sporophyte. The results suggested that S. japonica gametophyte phase was the worthiest of further development and utilization as a functional food. PRACTICAL APPLICATION: It is the first report on the fatty acid characteristics of three gametophyte phases of Saccharina japonica, Undaria pinnatifida, and Costaria costata and find that the S. japonica was worthy of further development and utilization as a functional food owing to its satisfactory fatty acid composition.
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Affiliation(s)
- Xicheng Geng
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, P. R. China
| | - Xuli Jia
- College of Marine Life Science, Ocean University of China, Qingdao, P. R. China
| | - Lanqing Liu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, P. R. China
| | - Shanpeng Ma
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, P. R. China
| | - Hongbing Liu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, P. R. China
- NMPA Key Laboratory for Quality Research and Evaluation of Marine Traditional Chinese Medicine, Qingdao, P. R. China
| | - Tao Liu
- State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, P.R. China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai, P.R. China
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Ďúranová H, Šimora V, Ďurišová Ľ, Olexiková L, Kovár M, Požgajová M. Modifications in Ultrastructural Characteristics and Redox Status of Plants under Environmental Stress: A Review. PLANTS (BASEL, SWITZERLAND) 2023; 12:1666. [PMID: 37111889 PMCID: PMC10144148 DOI: 10.3390/plants12081666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 03/30/2023] [Accepted: 04/05/2023] [Indexed: 06/19/2023]
Abstract
The rate of global environmental change is unprecedented, with climate change causing an increase in the oscillation and intensification of various abiotic stress factors that have negative impacts on crop production. This issue has become an alarming global concern, especially for countries already facing the threat of food insecurity. Abiotic stressors, such as drought, salinity, extreme temperatures, and metal (nanoparticle) toxicities, are recognized as major constraints in agriculture, and are closely associated with the crop yield penalty and losses in food supply. In order to combat abiotic stress, it is important to understand how plant organs adapt to changing conditions, as this can help produce more stress-resistant or stress-tolerant plants. The investigation of plant tissue ultrastructure and subcellular components can provide valuable insights into plant responses to abiotic stress-related stimuli. In particular, the columella cells (statocytes) of the root cap exhibit a unique architecture that is easily recognizable under a transmission electron microscope, making them a useful experimental model for ultrastructural observations. In combination with the assessment of plant oxidative/antioxidative status, both approaches can shed more light on the cellular and molecular mechanisms involved in plant adaptation to environmental cues. This review summarizes life-threatening factors of the changing environment that lead to stress-related damage to plants, with an emphasis on their subcellular components. Additionally, selected plant responses to such conditions in the context of their ability to adapt and survive in a challenging environment are also described.
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Affiliation(s)
- Hana Ďúranová
- AgroBioTech Research Centre, Slovak University of Agriculture, Trieda Andreja Hlinku 2, 949 76 Nitra, Slovakia;
| | - Veronika Šimora
- AgroBioTech Research Centre, Slovak University of Agriculture, Trieda Andreja Hlinku 2, 949 76 Nitra, Slovakia;
| | - Ľuba Ďurišová
- Institute of Plant and Environmental Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Trieda Andreja Hlinku 2, 949 76 Nitra, Slovakia; (Ľ.Ď.); (M.K.)
| | - Lucia Olexiková
- Agricultural and Food Centre (NPPC), Research Institute for Animal Production Nitra, Hlohovecká 2, 951 41 Lužianky, Slovakia;
| | - Marek Kovár
- Institute of Plant and Environmental Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Trieda Andreja Hlinku 2, 949 76 Nitra, Slovakia; (Ľ.Ď.); (M.K.)
| | - Miroslava Požgajová
- AgroBioTech Research Centre, Slovak University of Agriculture, Trieda Andreja Hlinku 2, 949 76 Nitra, Slovakia;
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45
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Kanbar A, Beisel J, Gutierrez MT, Graeff-Hönninger S, Nick P. Peruvian Amaranth (kiwicha) Accumulates Higher Levels of the Unsaturated Linoleic Acid. Int J Mol Sci 2023; 24:ijms24076215. [PMID: 37047191 PMCID: PMC10093863 DOI: 10.3390/ijms24076215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/22/2023] [Accepted: 03/24/2023] [Indexed: 03/29/2023] Open
Abstract
Grain amaranth (Amaranthus spp.) is an emerging crop rich in proteins and other valuable nutrients. It was domesticated twice, in Mexico and Peru. Although global trade is dominated by Mexican species of amaranth, Peruvian amaranth (A. caudatus, kiwicha) has remained neglected, although it harbours valuable traits. In the current study, we investigate the accumulation of polyunsaturated fatty acids, comparing four genotypes of A. caudatus with K432, a commercial variety deriving from the Mexican species A. hypochondriacus under the temperate environment of Southwest Germany. We show that the A. caudatus genotypes flowered later (only in late autumn), such that they were taller as compared to the Mexican hybrid but yielded fewer grains. The oil of kiwicha showed a significantly higher content of unsaturated fatty acids, especially of linoleic acid and α-linolenic acid compared to early flowering genotype K432. To gain insight into the molecular mechanisms behind these differences, we sequenced the genomes of the A. hypochondriacus × hybridus variety K432 and the Peruvian kiwicha genotype 8300 and identified the homologues for genes involved in the ω3 fatty-acid pathway and concurrent oxylipin metabolism, as well as of key factors for jasmonate signalling and cold acclimation. We followed the expression of these transcripts over three stages of seed development in all five genotypes. We find that transcripts for Δ6 desaturases are elevated in kiwicha, whereas in the Mexican hybrid, the concurrent lipoxygenase is more active, which is followed by the activation of jasmonate biosynthesis and signalling. The early accumulation of transcripts involved in cold-stress signalling reports that the Mexican hybrid experiences cold stress already early in autumn, whereas the kiwicha genotypes do not display indications for cold stress, except for the very final phase, when there were already freezing temperatures. We interpret the higher content of unsaturated fatty acids in the context of the different climatic conditions shaping domestication (tropical conditions in the case of Mexican amaranth, sharp cold snaps in the case of kiwicha) and suggest that kiwicha oil has high potential as functional food which can be developed further by tailoring genetic backgrounds, agricultural practice, and processing.
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Affiliation(s)
- Adnan Kanbar
- Molecular Cell Biology, Joseph Kölreuter Institute for Plant Sciences, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany
| | - Julia Beisel
- Molecular Cell Biology, Joseph Kölreuter Institute for Plant Sciences, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany
| | | | | | - Peter Nick
- Molecular Cell Biology, Joseph Kölreuter Institute for Plant Sciences, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany
- Correspondence:
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Unsaturated Fatty Acids and Their Immunomodulatory Properties. BIOLOGY 2023; 12:biology12020279. [PMID: 36829556 PMCID: PMC9953405 DOI: 10.3390/biology12020279] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/07/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023]
Abstract
Oils are an essential part of the human diet and are primarily derived from plant (or sometimes fish) sources. Several of them exhibit anti-inflammatory properties. Specific diets, such as Mediterranean diet, that are high in ω-3 polyunsaturated fatty acids (PUFAs) and ω-9 monounsaturated fatty acids (MUFAs) have even been shown to exert an overall positive impact on human health. One of the most widely used supplements in the developed world is fish oil, which contains high amounts of PUFAs docosahexaenoic and eicosapentaenoic acid. This review is focused on the natural sources of various polyunsaturated and monounsaturated fatty acids in the human diet, and their role as precursor molecules in immune signaling pathways. Consideration is also given to their role in CNS immunity. Recent findings from clinical trials utilizing various fatty acids or diets high in specific fatty acids are reviewed, along with the mechanisms through which fatty acids exert their anti-inflammatory properties. An overall understanding of diversity of polyunsaturated fatty acids and their role in several molecular signaling pathways is useful in formulating diets that reduce inflammation and increase longevity.
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Huang C, Liu D, Li ZA, Molloy DP, Luo ZF, Su Y, Li HO, Liu Q, Wang RZ, Xiao LT. The PPR protein RARE1-mediated editing of chloroplast accD transcripts is required for fatty acid biosynthesis and heat tolerance in Arabidopsis. PLANT COMMUNICATIONS 2023; 4:100461. [PMID: 36221851 PMCID: PMC9860180 DOI: 10.1016/j.xplc.2022.100461] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 09/12/2022] [Accepted: 10/10/2022] [Indexed: 06/01/2023]
Abstract
It has been reported that Arabidopsis chloroplast accD transcripts undergo RNA editing and that loss of accD-C794 RNA editing does not affect plant growth under normal conditions. To date, the exact biological role of accD-C794 editing has remained elusive. Here, we reveal an unexpected role for accD-C794 editing in response to heat stress. Loss of accD-C794 editing results in a yellow and dwarf phenotype with decreased chloroplast gene expression under heat stress, and artificial improvement of C794-edited accD gene expression enhances heat tolerance in Arabidopsis. These data suggest that accD-C794 editing confers heat tolerance in planta. We also found that treatment with the product of acetyl coenzyme A carboxylase (ACCase) could allay mutant phenotypic characteristics and showed that a mutation in the CAC3 gene for the α-subunit of ACCase was associated with dwarfism under heat stress. These observations indicate that defective accD-C794 editing may be intrinsic to reduced ACCase activity, thereby contributing to heat sensitivity. ACCase catalyzes the committed step of de novo fatty acid (FA) biosynthesis. FA content analysis revealed that unsaturated oleic (C18:1) and linoleic acids (C18:2) were low in the accD-C794 editing-defective mutant but high in the C794-edited accD-overexpressing plants compared with the wild type. Supplying exogenous C18:1 and C18:2 could rescue the mutant phenotype, suggesting that these FAs play an essential role in tolerance to heat stress. Transmission electron microscopy observations showed that heat stress seriously affected the membrane architecture in accD editing-defective mutants but not in accD-overexpressing plants. These results provide the first evidence that accD-C794 editing regulates FA biosynthesis for maintenance of membrane structural homeostasis under heat stress.
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Affiliation(s)
- Chao Huang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
| | - Dan Liu
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
| | - Zi-Ang Li
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
| | - David P Molloy
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Chongqing Medical University, Chongqing 400016, China
| | - Zhou-Fei Luo
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
| | - Yi Su
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
| | - Hai-Ou Li
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
| | - Qing Liu
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
| | - Ruo-Zhong Wang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China
| | - Lang-Tao Xiao
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China.
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Rincón-Cervera MÁ, Lahlou A, Chileh-Chelh T, Lyashenko S, López-Ruiz R, Guil-Guerrero JL. Arecaceae Seeds Constitute a Healthy Source of Fatty Acids and Phenolic Compounds. PLANTS (BASEL, SWITZERLAND) 2023; 12:226. [PMID: 36678939 PMCID: PMC9867020 DOI: 10.3390/plants12020226] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 12/27/2022] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
Seeds of most Arecaceae species are an underutilized raw material that can constitute a source of nutritionally relevant compounds. In this work, seeds of 24 Arecaceae taxa were analyzed for fatty acids (FAs) by GC-FID, for phenolics by HPLC-DAD and LC-MS, and for their antitumor activity against the HT-29 colorectal cancer cell line by the MTT assay. Lauric, oleic, and linoleic acids were the prominent FAs. Cocoseae species contained total FAs at 28.0-68.3 g/100 g seeds, and in other species total FAs were from 1.2 (Livistona saribus) to 9.9 g/100 g (Washingtonia robusta). Sabal domingensis, Chamaerops humilis, and Phoenix dactylifera var. Medjool had unsaturated/saturated FA ratios of 1.65, 1.33-1.78, and 1.31, respectively, and contained 7.4, 5.5-6.3, and 6.4 g FAs/100 g seeds, respectively. Thus, they could be used as raw materials for healthy oilseed production. Phenolics ranged between 39 (Livistona fulva) and 246 mg/100 g (Sabal palmetto), and of these, caffeic acid, catechin, dactylifric acid, and rutin had the highest values. (-)-Epicatechin was identified in most seed extracts by LC-MS. Hydroalcoholic extracts from five species showed a dose-dependent inhibitory effect on HT-20 cells growth at 72 h (GI50 at 1533-1968 µg/mL). Overall, Arecaceae seeds could be considered as a cheap source of health-promoting compounds.
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Affiliation(s)
- Miguel Ángel Rincón-Cervera
- Food Technology Division, ceiA3, CIAMBITAL, University of Almería, 04120 Almería, Spain
- Institute of Nutrition and Food Technology, University of Chile, Macul 7830490, Chile
| | - Abdallah Lahlou
- Food Technology Division, ceiA3, CIAMBITAL, University of Almería, 04120 Almería, Spain
| | - Tarik Chileh-Chelh
- Food Technology Division, ceiA3, CIAMBITAL, University of Almería, 04120 Almería, Spain
| | - Svetlana Lyashenko
- Food Technology Division, ceiA3, CIAMBITAL, University of Almería, 04120 Almería, Spain
| | - Rosalía López-Ruiz
- Chemical-Physical Department, Analytical Chemistry of Pollutants, University of Almería, 04120 Almería, Spain
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Garrido A, Conde A, De Vos RCH, Cunha A. The influence of light microclimate on the lipid profile and associated transcripts of photosynthetically active grape berry seeds. FRONTIERS IN PLANT SCIENCE 2023; 13:1022379. [PMID: 36684778 PMCID: PMC9846335 DOI: 10.3389/fpls.2022.1022379] [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: 08/18/2022] [Accepted: 11/30/2022] [Indexed: 06/17/2023]
Abstract
Lipids and oils determine the quality and industrial value of grape seeds. Studies with legume seeds demonstrated the influence of light on lipid metabolism and its association with seed photosynthesis. Grape berry seeds are photosynthetically active till mature stage, but mostly during the green stage and veraison. The objective of this work was to compare the lipid profiles of seeds from white grape berries (cv. Alvarinho) growing at two contrasting light microclimates in the canopy (low and high light, LL and HL respectively), previously reported to have distinct photosynthetic competences. Berries were collected at three developmental stages (green, veraison and mature) and from both microclimates, and the seeds were analyzed for their lipid profiles in an untargeted manner using liquid chromatography coupled to high resolution mass spectrometry (LCMS). The seed lipid profiles differed greatly among berry developmental stages, and to a lesser extend between microclimates. The LL microclimate coincided with a higher relative levels of fatty acids specifically at mature stage, while the HL microclimate led to an up-regulation of ceramides at green stage and of triacylglycerols and glycerophospholipids at mature stage. The seed transcript levels of four key genes (VvACCase1, VvΔ9FAD, VvFAD6 and VvLOXO) involved in fatty acid metabolism were analyzed using real-time qPCR. The lipoxygenase gene (VvLOXO) was down- and up-regulated by HL, as compared to LL, in seeds at green and veraison stages, respectively. These results suggest that seed photosynthesis may play distinct roles during seed growth and development, possibly by fueling different lipid pathways: at green stage mainly towards the accumulation of membrane-bound lipid species that are essential for cell growth and maintenance of the photosynthetic machinery itself; and at veraison and mature stages mainly towards storage lipids that contribute to the final quality of the grape seeds.
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Affiliation(s)
- Andreia Garrido
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Braga, Portugal
| | - Artur Conde
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Braga, Portugal
| | - Ric C. H. De Vos
- Business Unit Bioscience, Wageningen Plant Research, Wageningen University and Research (Wageningen-UR), Wageningen, Netherlands
| | - Ana Cunha
- Centre of Molecular and Environmental Biology (CBMA), Department of Biology, University of Minho, Braga, Portugal
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Machado SR, de Deus Bento KB, Canaveze Y, Rodrigues TM. Peltate trichomes in the dormant shoot apex of Metrodorea nigra, a Rutaceae species with rhythmic growth. PLANT BIOLOGY (STUTTGART, GERMANY) 2023; 25:161-175. [PMID: 36278887 DOI: 10.1111/plb.13480] [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: 06/22/2022] [Accepted: 10/06/2022] [Indexed: 06/16/2023]
Abstract
In Metrodorea nigra, a Rutaceae species with rhythmic growth, the shoot apex in the dormant stage is enclosed by modified stipules. The young organs are fully covered with peltate secretory trichomes, and these structures remain immersed in a hyaline exudate within a hood-shaped structure. Our study focused on the morpho-functional characterization of the peltate trichomes and cytological events associated with secretion. Shoot apices were collected during both dormant and active stages and processed for anatomical, cytochemical and ultrastructural studies. Trichomes initiate secretion early on, remain active throughout leaf development, but collapse as the leaves expand; at which time secretory cavities start differentiation in the mesophyll and secretion increases as the leaf reaches full expansion. The subcellular apparatus of the trichome head cells is consistent with hydrophilic and lipophilic secretion. Secretion involves two vesicle types: the smaller vesicles are PATAg-positive (periodic acid/thiocarbohydrazide/silver proteinate) for carbohydrates and the larger ones are PATAg-negative. In the first phase of secretory activity, the vesicles containing polysaccharides discharge their contents through exocytosis with the secretion accumulating beneath the cuticle, which detaches from the cell wall. Later, a massive discharge of lipophilic substances (lipids and terpenes/phenols) results in their accumulation between the wall and cuticle. Release of the secretions occurs throughout the cuticular microchannels. Continued protection of the leaves throughout shoot development is ensured by replacement of the collapsed secretory trichomes by oil-secreting cavities. Our findings provide new perspectives for understanding secretion regulation in shoot apices of woody species with rhythmic growth.
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Affiliation(s)
- S R Machado
- Center of Electron Microscopy (CME), Institute of Biosciences of Botucatu (IBB), São Paulo State University (UNESP), Botucatu City, SP, Brazil
| | - K B de Deus Bento
- Postgraduate Program in Plant Biology Interunits, Paulo State University (UNESP), Botucatu City, SP, Brazil
| | - Y Canaveze
- Department of Botany, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro City, RJ, Brazil
| | - T M Rodrigues
- Department of Biostatistics, Plant Biology, Parasitology and Zoology, Institute of Biosciences - IBB, São Paulo State University - UNESP, Botucatu City, SP, Brazil
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