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Nazari M, Kordrostami M, Ghasemi-Soloklui AA, Eaton-Rye JJ, Pashkovskiy P, Kuznetsov V, Allakhverdiev SI. Enhancing Photosynthesis and Plant Productivity through Genetic Modification. Cells 2024; 13:1319. [PMID: 39195209 DOI: 10.3390/cells13161319] [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: 06/19/2024] [Revised: 07/30/2024] [Accepted: 08/05/2024] [Indexed: 08/29/2024] Open
Abstract
Enhancing crop photosynthesis through genetic engineering technologies offers numerous opportunities to increase plant productivity. Key approaches include optimizing light utilization, increasing cytochrome b6f complex levels, and improving carbon fixation. Modifications to Rubisco and the photosynthetic electron transport chain are central to these strategies. Introducing alternative photorespiratory pathways and enhancing carbonic anhydrase activity can further increase the internal CO2 concentration, thereby improving photosynthetic efficiency. The efficient translocation of photosynthetically produced sugars, which are managed by sucrose transporters, is also critical for plant growth. Additionally, incorporating genes from C4 plants, such as phosphoenolpyruvate carboxylase and NADP-malic enzymes, enhances the CO2 concentration around Rubisco, reducing photorespiration. Targeting microRNAs and transcription factors is vital for increasing photosynthesis and plant productivity, especially under stress conditions. This review highlights potential biological targets, the genetic modifications of which are aimed at improving photosynthesis and increasing plant productivity, thereby determining key areas for future research and development.
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Affiliation(s)
- Mansoureh Nazari
- Department of Horticultural Science, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad 91779-48974, Iran
| | - Mojtaba Kordrostami
- Nuclear Agriculture Research School, Nuclear Science and Technology Research Institute (NSTRI), Karaj 31485-498, Iran
| | - Ali Akbar Ghasemi-Soloklui
- Nuclear Agriculture Research School, Nuclear Science and Technology Research Institute (NSTRI), Karaj 31485-498, Iran
| | - Julian J Eaton-Rye
- Department of Biochemistry, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
| | - Pavel Pashkovskiy
- K.A. Timiryazev Institute of Plant Physiology, RAS, Botanicheskaya St. 35, Moscow 127276, Russia
| | - Vladimir Kuznetsov
- K.A. Timiryazev Institute of Plant Physiology, RAS, Botanicheskaya St. 35, Moscow 127276, Russia
| | - Suleyman I Allakhverdiev
- K.A. Timiryazev Institute of Plant Physiology, RAS, Botanicheskaya St. 35, Moscow 127276, Russia
- Faculty of Engineering and Natural Sciences, Bahcesehir University, 34349 Istanbul, Turkey
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2
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Yang K, Zhou G, Chen C, Liu X, Wei L, Zhu F, Liang Z, Chen H. Joint metabolomic and transcriptomic analysis identify unique phenolic acid and flavonoid compounds associated with resistance to fusarium wilt in cucumber ( Cucumis sativus L.). FRONTIERS IN PLANT SCIENCE 2024; 15:1447860. [PMID: 39170788 PMCID: PMC11335689 DOI: 10.3389/fpls.2024.1447860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Accepted: 07/23/2024] [Indexed: 08/23/2024]
Abstract
Introduction Fusarium wilt (FW) caused by Fusarium oxysporum f. sp. cucumerinum (Foc) is a destructive soil-borne disease in cucumber (Cucumis sativus. L). However, there remains limited knowledge on the molecular mechanisms underlying FW resistance-mediated defense responses in cucumber. Methods In this study, metabolome and transcriptome profiling were carried out for two FW resistant (NR) and susceptible (NS), near isogenic lines (NILs) before and after Foc inoculation. NILs have shown consistent and stable resistance in multiple resistance tests conducted in the greenhouse and in the laboratory. A widely targeted metabolomic analysis identified differentially accumulated metabolites (DAMs) with significantly greater NR accumulation in response to Foc infection, including many phenolic acid and flavonoid compounds from the flavonoid biosynthesis pathway. Results Transcriptome analysis identified differentially expressed genes (DEGs) between the NILs upon Foc inoculation including genes for secondary metabolite biosynthesis and transcription factor genes regulating the flavonoid biosynthesis pathway. Joint analysis of the metabolomic and transcriptomic data identified DAMs and DEGs closely associated with the biosynthesis of phenolic acid and flavonoid DAMs. The association of these compounds with NR-conferred FW resistance was exemplified by in vivo assays. These assays found two phenolic acid compounds, bis (2-ethylhexyl) phthalate and diisooctyl phthalate, as well as the flavonoid compound gallocatechin 3-O-gallate to have significant inhibitory effects on Foc growth. The antifungal effects of these three compounds represent a novel finding. Discussion Therefore, phenolic acids and flavonoids play important roles in NR mediated FW resistance breeding in cucumber.
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Affiliation(s)
- Kankan Yang
- Longping Branch, Graduated School of Hunan University, Changsha, China
- Hunan Academy of Agricultural Sciences, Changsha, China
| | - Geng Zhou
- Hunan Vegetable Research Institute, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Chen Chen
- Hunan Vegetable Research Institute, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Xiaohong Liu
- Hunan Vegetable Research Institute, Hunan Academy of Agricultural Sciences, Changsha, China
| | - Lin Wei
- Hunan Academy of Agricultural Sciences, Changsha, China
| | - Feiying Zhu
- Hunan Academy of Agricultural Sciences, Changsha, China
| | - Zhihuai Liang
- Hunan Academy of Agricultural Sciences, Changsha, China
| | - Huiming Chen
- Longping Branch, Graduated School of Hunan University, Changsha, China
- Hunan Vegetable Research Institute, Hunan Academy of Agricultural Sciences, Changsha, China
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3
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Lee YH, Kim YH, Hong JK. Light- and Relative Humidity-Regulated Hypersensitive Cell Death and Plant Immunity in Chinese Cabbage Leaves by a Non-adapted Bacteria Xanthomonas campestris pv. vesicatoria. THE PLANT PATHOLOGY JOURNAL 2024; 40:358-376. [PMID: 39117335 PMCID: PMC11309840 DOI: 10.5423/ppj.oa.03.2024.0057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 06/10/2024] [Accepted: 07/08/2024] [Indexed: 08/10/2024]
Abstract
Inoculation of Chinese cabbage leaves with high titer (107 cfu/ml) of the non-adapted bacteria Xanthomonas campestris pv. vesicatoria (Xcv) strain Bv5-4a.1 triggered rapid leaf tissue collapses and hypersensitive cell death (HCD) at 24 h. Electrolyte leakage and lipid peroxidation markedly increased in the Xcv-inoculated leaves. Defence-related gene expressions (BrPR1, BrPR4, BrChi1, BrGST1 and BrAPX1) were preferentially activated in the Xcv-inoculated leaves. The Xcv-triggered HCD was attenuated by continuous light but accelerated by a dark environment, and the prolonged high relative humidity also alleviated the HCD. Constant dark and increased relative humidity provided favorable conditions for the Xcv bacterial growth in the leaves. Pretreated fluridone (biosynthetic inhibitor of endogenous abscisic acid [ABA]) increased the HCD in the Xcv-inoculated leaves, but exogenous ABA attenuated the HCD. The pretreated ABA also reduced the Xcv bacterial growth in the leaves. These results highlight that the onset of HCD in Chinese cabbage leaves initiated by non-adapted pathogen Xcv Bv5-4a.1 and in planta bacterial growth was differently modulated by internal and external conditional changes.
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Affiliation(s)
- Young Hee Lee
- Laboratory of Horticultural Crop Protection, Division of Horticultural Science, Gyeongsang National University, Jinju 52725, Korea
- Agri-Food Bio Convergence Institute, Gyeongsang National University, Jinju 52725, Korea
| | - Yun-Hee Kim
- Laboratory of Plant Molecular Physiology, Department of Biology Education, Gyeongsang National University, Jinju 52828, Korea
| | - Jeum Kyu Hong
- Laboratory of Horticultural Crop Protection, Division of Horticultural Science, Gyeongsang National University, Jinju 52725, Korea
- Agri-Food Bio Convergence Institute, Gyeongsang National University, Jinju 52725, Korea
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4
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Zhu X, Wang H. Revisiting the role and mechanism of ELF3 in circadian clock modulation. Gene 2024; 913:148378. [PMID: 38490512 DOI: 10.1016/j.gene.2024.148378] [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: 12/06/2023] [Revised: 03/08/2024] [Accepted: 03/12/2024] [Indexed: 03/17/2024]
Abstract
The gene encoding EARLY FLOWERING3 (ELF3) is necessary for photoperiodic flowering and the normal regulation of circadian rhythms. It provides important information at the cellular level to uncover the biological mechanisms that improve plant growth and development. ELF3 interactions with transcription factors such as BROTHER OF LUX ARRHYTHMO (BOA), LIGHT-REGULATED WD1 (LWD1), PHYTOCHROME-INTERACTING FACTOR 4 (PIF4), PHYTOCHROME-INTERACTING FACTOR 7 (PIF7), and LUX ARRHYTHMO (LUX) suggest a role in evening complex (EC) independent pathways, demanding further investigation to elucidate the EC-dependent versus EC-independent mechanisms. The ELF3 regulation of flowering time about photoperiod and temperature variations can also optimize crop cultivation across diverse latitudes. In this review paper, we summarize how ELF3's role in the circadian clock and light-responsive flowering control in crops offers substantial potential for scientific advancement and practical applications in biotechnology and agriculture. Despite its essential role in crop adaptation, very little is known in many important crops. Consequently, comprehensive and targeted research is essential for extrapolating ELF3-related insights from Arabidopsis to other crops, utilizing both computational and experimental methodologies. This research should prioritize investigations into ELF3's protein-protein interactions, post-translational modifications, and genomic targets to elucidate its contribution to accurate circadian clock regulation.
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Affiliation(s)
- Xingzun Zhu
- College of Landscape Architecture, Changchun University, No.1 Weixinglu Changchun, Jilin, China.
| | - Hongtao Wang
- College of Life Sciences, Tonghua Normal University, Tonghua, 950, Yucai Road, China.
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Skwarek-Fadecka M, Nawrocka J, Sieczyńska K, Patykowski J, Posmyk MM. Effect of Oak Powdery Mildew on Ascorbate-Glutathione Cycle and Other Antioxidants in Plant- Erysiphe alphitoides Interaction. Cells 2024; 13:1035. [PMID: 38920663 PMCID: PMC11201405 DOI: 10.3390/cells13121035] [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: 05/15/2024] [Revised: 06/07/2024] [Accepted: 06/13/2024] [Indexed: 06/27/2024] Open
Abstract
Erysiphe alphitoides is a species of powdery mildew responsible for the major foliar disease of oak trees, including Quercus robur. Infection with E. alphitoides leads to a reduction in the growth of the trees and in their ability to survive. This paper reports on the biochemical changes characteristic of defence responses in oak leaves with different infection area sizes, collected in July, August, and September during three growing seasons. The study highlights the effect of E. alphitoides infection on changes in the ascorbate-glutathione cycle, phenolic compound profile, and metal content (mineral distribution). Visible symptoms of pathogen infection appeared gradually in July, but the most intense biochemical plant responses in oak leaves were detected mainly in August and September. These responses included increased ascorbate-glutathione enzyme activities, phenolic compounds, and metal contents. In addition, microscopic analyses revealed a strong fluorescence signal of lignin in the epidermis of pathogen-infected leaves. The involvement of the studied compounds in the basic defence mechanisms of oak against E. alphitoides infection is discussed in the paper.
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Affiliation(s)
- Monika Skwarek-Fadecka
- Department of Plant Ecophysiology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Łódź, Poland;
- Department of Plant Physiology and Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Łódź, Poland;
| | - Justyna Nawrocka
- Department of Plant Physiology and Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Łódź, Poland;
| | | | | | - Małgorzata Maria Posmyk
- Department of Plant Ecophysiology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Łódź, Poland;
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Nurzhanova AA, Mamirova A, Mursaliyeva V, Nurmagambetova AS, Zhumasheva Z, Turdiyev T, Kushnarenko S, Ismailova E. In Vitro Approbation of Microbial Preparations to Shield Fruit Crops from Fire Blight: Physio-Biochemical Parameters. PLANTS (BASEL, SWITZERLAND) 2024; 13:1431. [PMID: 38891242 PMCID: PMC11174909 DOI: 10.3390/plants13111431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2024] [Revised: 05/10/2024] [Accepted: 05/17/2024] [Indexed: 06/21/2024]
Abstract
The need for the increasing geographical spread of fire blight (FB) affecting fruit crops to be addressed led to large-scale chemicalization of the environmental matrices and reduction of plant productivity. The current study aimed to assess the effects of novel biopreparations at different exposure durations on photosynthetic pigment content and antioxidant enzyme activity in leaves of apple and pear varieties with varying levels of resistance to FB. Biopreparations were formulated from a cultural broth containing Lacticaseibacillus paracasei M12 or Bacillus amyloliquefaciens MB40 isolated from apple trees' phyllosphere. Aseptic leaves from blight-resistant (endemic Malus sieversii cv. KG10), moderately resistant (Pyrus pyraster cv. Wild), and susceptible (endangered Malus domestica cv. Aport and Pyrus communis cv. Shygys) varieties were employed. The impact of biopreparations on fruit crop antioxidant systems and photosynthetic apparatuses was investigated in vitro. Study results indicated that FB-resistant varieties exhibit enhanced adaptability and oxidative stress resistance compared to susceptible ones. Plant response to biopreparations varied based on the plant's initial FB sensitivity and exposure duration. Indeed, biopreparations improved the adaptive response of the assimilation apparatus, protein synthesis, and catalase and superoxide dismutase activity in susceptible varieties, suggesting that biopreparations have the potential for future commercialization to manage FB in fruit crops.
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Affiliation(s)
- Asil A. Nurzhanova
- Institute of Plant Biology and Biotechnology, Timiryazev 45, Almaty 050040, Kazakhstan; (A.A.N.); (V.M.); (A.S.N.); (Z.Z.); (T.T.); (S.K.)
| | - Aigerim Mamirova
- Department of Biotechnology, Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty 050040, Kazakhstan
| | - Valentina Mursaliyeva
- Institute of Plant Biology and Biotechnology, Timiryazev 45, Almaty 050040, Kazakhstan; (A.A.N.); (V.M.); (A.S.N.); (Z.Z.); (T.T.); (S.K.)
| | - Asiya S. Nurmagambetova
- Institute of Plant Biology and Biotechnology, Timiryazev 45, Almaty 050040, Kazakhstan; (A.A.N.); (V.M.); (A.S.N.); (Z.Z.); (T.T.); (S.K.)
| | - Zhadyra Zhumasheva
- Institute of Plant Biology and Biotechnology, Timiryazev 45, Almaty 050040, Kazakhstan; (A.A.N.); (V.M.); (A.S.N.); (Z.Z.); (T.T.); (S.K.)
| | - Timur Turdiyev
- Institute of Plant Biology and Biotechnology, Timiryazev 45, Almaty 050040, Kazakhstan; (A.A.N.); (V.M.); (A.S.N.); (Z.Z.); (T.T.); (S.K.)
| | - Svetlana Kushnarenko
- Institute of Plant Biology and Biotechnology, Timiryazev 45, Almaty 050040, Kazakhstan; (A.A.N.); (V.M.); (A.S.N.); (Z.Z.); (T.T.); (S.K.)
| | - Elvira Ismailova
- Scientific Production Centre of Microbiology and Virology, Bogenbai Batyr 105, Almaty 050010, Kazakhstan;
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Mishra S, Duarte GT, Horemans N, Ruytinx J, Gudkov D, Danchenko M. Complexity of responses to ionizing radiation in plants, and the impact on interacting biotic factors. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 924:171567. [PMID: 38460702 DOI: 10.1016/j.scitotenv.2024.171567] [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: 12/01/2023] [Revised: 02/20/2024] [Accepted: 03/06/2024] [Indexed: 03/11/2024]
Abstract
In nature, plants are simultaneously exposed to different abiotic (e.g., heat, drought, and salinity) and biotic (e.g., bacteria, fungi, and insects) stresses. Climate change and anthropogenic pressure are expected to intensify the frequency of stress factors. Although plants are well equipped with unique and common defense systems protecting against stressors, they may compromise their growth and development for survival in such challenging environments. Ionizing radiation is a peculiar stress factor capable of causing clustered damage. Radionuclides are both naturally present on the planet and produced by human activities. Natural and artificial radioactivity affects plants on molecular, biochemical, cellular, physiological, populational, and transgenerational levels. Moreover, the fitness of pests, pathogens, and symbionts is concomitantly challenged in radiologically contaminated areas. Plant responses to artificial acute ionizing radiation exposure and laboratory-simulated or field chronic exposure are often discordant. Acute or chronic ionizing radiation exposure may occasionally prime the defense system of plants to better tolerate the biotic stress or could often exhaust their metabolic reserves, making plants more susceptible to pests and pathogens. Currently, these alternatives are only marginally explored. Our review summarizes the available literature on the responses of host plants, biotic factors, and their interaction to ionizing radiation exposure. Such systematic analysis contributes to improved risk assessment in radiologically contaminated areas.
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Affiliation(s)
- Shubhi Mishra
- Institute of Plant Genetics and Biotechnology, Plant Science and Biodiversity Centre, Slovak Academy of Sciences, 950 07 Nitra, Slovakia
| | - Gustavo Turqueto Duarte
- Unit for Biosphere Impact Studies, Belgian Nuclear Research Centre SCK CEN, 2400 Mol, Belgium
| | - Nele Horemans
- Unit for Biosphere Impact Studies, Belgian Nuclear Research Centre SCK CEN, 2400 Mol, Belgium; Centre for Environmental Sciences, Hasselt University, 3590 Diepenbeek, Belgium
| | - Joske Ruytinx
- Department of Bio-engineering Sciences, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - Dmitri Gudkov
- Institute of Hydrobiology, National Academy of Sciences of Ukraine, 04210 Kyiv, Ukraine
| | - Maksym Danchenko
- Institute of Plant Genetics and Biotechnology, Plant Science and Biodiversity Centre, Slovak Academy of Sciences, 950 07 Nitra, Slovakia.
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8
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Chen JS, Wang ST, Mei Q, Sun T, Hu JT, Xiao GS, Chen H, Xuan YH. The role of CBL-CIPK signaling in plant responses to biotic and abiotic stresses. PLANT MOLECULAR BIOLOGY 2024; 114:53. [PMID: 38714550 DOI: 10.1007/s11103-024-01417-0] [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: 08/10/2023] [Accepted: 01/06/2024] [Indexed: 05/10/2024]
Abstract
Plants have a variety of regulatory mechanisms to perceive, transduce, and respond to biotic and abiotic stress. One such mechanism is the calcium-sensing CBL-CIPK system responsible for the sensing of specific stressors, such as drought or pathogens. CBLs perceive and bind Calcium (Ca2+) in response to stress and then interact with CIPKs to form an activated complex. This leads to the phosphorylation of downstream targets, including transporters and ion channels, and modulates transcription factor levels and the consequent levels of stress-associated genes. This review describes the mechanisms underlying the response of the CBL-CIPK pathway to biotic and abiotic stresses, including regulating ion transport channels, coordinating plant hormone signal transduction, and pathways related to ROS signaling. Investigation of the function of the CBL-CIPK pathway is important for understanding plant stress tolerance and provides a promising avenue for molecular breeding.
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Affiliation(s)
- J S Chen
- College of Biology and Food Engineering, Chongqing Three Gorges University, Wanzhou, 404100, China
| | - S T Wang
- College of Plant Protection, Shenyang Agricultural University, Shenyang, 110866, China
| | - Q Mei
- College of Plant Protection, Shenyang Agricultural University, Shenyang, 110866, China
| | - T Sun
- Chongqing Customs Technology Center, Chongqing, 400020, China
| | - J T Hu
- College of Biology and Food Engineering, Chongqing Three Gorges University, Wanzhou, 404100, China
| | - G S Xiao
- College of Biology and Food Engineering, Chongqing Three Gorges University, Wanzhou, 404100, China.
| | - H Chen
- College of Life Science, Northeast Forestry University, Harbin, 150040, China.
| | - Y H Xuan
- State Key Laboratory of Elemento-Organic Chemistry and Department of Plant Protection, National Pesticide Engineering Research Center (Tianjin), Nankai University, Tianjin, 300071, China.
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Ssemugenze B, Ocwa A, Bojtor C, Illés Á, Esimu J, Nagy J. Impact of research on maize production challenges in Hungary. Heliyon 2024; 10:e26099. [PMID: 38510009 PMCID: PMC10951463 DOI: 10.1016/j.heliyon.2024.e26099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 01/31/2024] [Accepted: 02/07/2024] [Indexed: 03/22/2024] Open
Abstract
Maize (Zea mays L), as a major cereal crop produced in Hungary in addition to wheat, attracts enormous research from both educational and non-educational institutions. Research is aimed at addressing the key abiotic, biotic and social economic constraints. The stakeholders and institutions involved in research are spread all over Hungary. Currently, no review has been done to comprehensively reveal the trend of maize research in Hungary, as well as key players such as institutions, universities, industry and researchers. Hence, this bibliographic review was conducted to: i) identify the major research institutions and their contribution towards maize research in Hungary; ii) evaluate the major maize research areas in Hungary between 1975 and 2022. Literature search was conducted in Web of Science (WoS) database using keywords; 'maize' OR 'maize' + 'Research' + 'Hungary'. Bibliometric analyses were performed using the VOSviewer software. Changes in the publication trend of documents was tested using Mann Kendall Test. A total of 947 publications related to the topic were published by 441 institutions between 1975 and 2022. There was a significant (p = 0.001) positive increase in the number of published documents. Hungarian Academy of Science (210 documents) and University of Debrecen (132 documents) recorded the highest number of publications contributing 58.7% of the maize research literature in Hungary. The major research areas included: increasing maize yield, hybrid development, pests and diseases, irrigation, fertilization (nitrogen), drought, temperature, gene expression and climate change. The increasing number of published documents signifies an improved response to addressing maize production challenges through research in order to boost its productivity.
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Affiliation(s)
- Brian Ssemugenze
- Institute of Land Use, Engineering and Precision Farming Technology, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, 138 Böszörményi street, 4032, Debrecen, Hungary
- Faculty of Agriculture, Uganda Martyrs University, P.O. Box 5498, Kampala, Uganda
| | - Akasairi Ocwa
- Institute of Land Use, Engineering and Precision Farming Technology, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, 138 Böszörményi street, 4032, Debrecen, Hungary
- Department of Agriculture Production, Faculty of Agriculture, Kyambogo University, P.O. Box 1, Kyambogo, Kampala, Uganda
| | - Csaba Bojtor
- Institute of Land Use, Engineering and Precision Farming Technology, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, 138 Böszörményi street, 4032, Debrecen, Hungary
| | - Árpád Illés
- Institute of Land Use, Engineering and Precision Farming Technology, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, 138 Böszörményi street, 4032, Debrecen, Hungary
| | - Joseph Esimu
- Research School of Biology, Australian National University, ACT, Canberra 2601, Australia
| | - János Nagy
- Institute of Land Use, Engineering and Precision Farming Technology, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, 138 Böszörményi street, 4032, Debrecen, Hungary
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10
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Das Laha S, Kundu A, Podder S. Impact of biotic stresses on the Brassicaceae family and opportunities for crop improvement by exploiting genotyping traits. PLANTA 2024; 259:97. [PMID: 38520529 DOI: 10.1007/s00425-024-04379-1] [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: 11/09/2023] [Accepted: 03/07/2024] [Indexed: 03/25/2024]
Abstract
MAIN CONCLUSION Utilizing RNAi, miRNA, siRNA, lncRNA and exploiting genotyping traits can help safeguard the food supply from illnesses and pest damage to Brassicas, as well as reduce yield losses caused by plant pathogens and insect pests. In the natural environment, plants face significant challenges in the form of biotic stress, due to various living organisms, leading to biological stress and a sharp decline in crop yields. To cope with these effects, plants have evolved specialized mechanisms to mitigate these challenges. Plant stress tolerance and resistance are influenced by genes associated with stress-responsive pathogens that interact with various stress-related signaling pathway components. Plants employ diverse strategies and mechanisms to combat biological stress, involving a complex network of transcription factors that interact with specific cis-elements to regulate gene expression. Understanding both plant developmental and pathogenic disease resistance mechanisms can allow us to develop stress-tolerant and -resistant crops. Brassica genus includes commercially important crops, e.g., broccoli, cabbage, cauliflower, kale, and rapeseed, cultivated worldwide, with several applications, e.g., oil production, consumption, condiments, fodder, as well as medicinal ones. Indeed, in 2020, global production of vegetable Brassica reached 96.4 million tones, a 10.6% rise from the previous decade. Taking into account their commercial importance, coupled to the impact that pathogens can have in Brassica productivity, yield losses up to 60%, this work complies the major diseases caused due to fungal, bacterial, viral, and insects in Brassica species. The review is structured into three parts. In the first part, an overview is provided of the various pathogens affecting Brassica species, including fungi, bacteria, viruses, and insects. The second part delves into the exploration of defense mechanisms that Brassica plants encounter against these pathogens including secondary metabolites, duplicated genes, RNA interference (RNAi), miRNA (micro-RNA), siRNA (small interfering RNA), and lncRNA (long non-coding RNA). The final part comprehensively outlines the current applications of CRISPR/Cas9 technology aimed at enhancing crop quality. Taken collectively, this review will contribute to our enhanced understanding of these mechanisms and their role in the development of resistance in Brassica plants, thus supporting strategies to protect this crucial crop.
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Affiliation(s)
- Shayani Das Laha
- Computational and Systems Biology Laboratory, Department of Microbiology, Raiganj University, Raiganj, West Bengal, India
- Department of Genetics and Plant Breeding, Uttar Banga Krishi Viswavidyalaya, Coochbehar, West Bengal, India
| | - Avijit Kundu
- Department of Genetics and Plant Breeding, Uttar Banga Krishi Viswavidyalaya, Coochbehar, West Bengal, India
| | - Soumita Podder
- Computational and Systems Biology Laboratory, Department of Microbiology, Raiganj University, Raiganj, West Bengal, India.
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Ricciardi V, Crespan M, Maddalena G, Migliaro D, Brancadoro L, Maghradze D, Failla O, Toffolatti SL, De Lorenzis G. Novel loci associated with resistance to downy and powdery mildew in grapevine. FRONTIERS IN PLANT SCIENCE 2024; 15:1386225. [PMID: 38584944 PMCID: PMC10998452 DOI: 10.3389/fpls.2024.1386225] [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: 02/14/2024] [Accepted: 03/06/2024] [Indexed: 04/09/2024]
Abstract
Among the main challenges in current viticulture, there is the increasing demand for sustainability in the protection from fungal diseases, such as downy mildew (DM) and powdery mildew (PM). Breeding disease-resistant grapevine varieties is a key strategy for better managing fungicide inputs. This study explores the diversity of grapevine germplasm (cultivated and wild) from Caucasus and neighboring areas to identify genotypes resistant to DM and PM, based on 13 Simple Sequence Repeat (SSR) loci and phenotypical (artificial pathogen inoculation) analysis, and to identify loci associated with DM and PM resistance, via Genome-Wide Association Analysis (GWAS) on Single Nucleotide Polymorphism (SNP) profiles. SSR analysis revealed resistant alleles for 16 out of 88 genotypes. Phenotypic data identified seven DM and 31 PM resistant genotypes. GWAS identified two new loci associated with DM resistance, located on chromosome 15 and 16 (designated as Rpv36 and Rpv37), and two with PM resistance, located on chromosome 6 and 17 (designated as Ren14 and Ren15). The four novel loci identified genomic regions rich in genes related to biotic stress response, such as genes involved in pathogen recognition, signal transduction and resistance response. This study highlights potential candidate genes associated with resistance to DM and PM, providing valuable insights for breeding programs for resistant varieties. To optimize their utilization, further functional characterization studies are recommended.
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Affiliation(s)
- Valentina Ricciardi
- Dipartimento di Scienze Agrarie ed Ambientali, Università degli Studi di Milano, Milano, Italy
| | - Manna Crespan
- Centro di Ricerca per la Viticoltura e l'Enologia, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria (CREA), Conegliano, Italy
| | - Giuliana Maddalena
- Dipartimento di Scienze Agrarie ed Ambientali, Università degli Studi di Milano, Milano, Italy
| | - Daniele Migliaro
- Centro di Ricerca per la Viticoltura e l'Enologia, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria (CREA), Conegliano, Italy
| | - Lucio Brancadoro
- Dipartimento di Scienze Agrarie ed Ambientali, Università degli Studi di Milano, Milano, Italy
| | - David Maghradze
- Faculty of Viticulture-Winemaking, Caucasus International University, Tbilisi, Georgia
- Faculty of Agricultural Sciences and Biosystems Engineering, Georgian Technical University, Tbilisi, Georgia
| | - Osvaldo Failla
- Dipartimento di Scienze Agrarie ed Ambientali, Università degli Studi di Milano, Milano, Italy
| | - Silvia Laura Toffolatti
- Dipartimento di Scienze Agrarie ed Ambientali, Università degli Studi di Milano, Milano, Italy
| | - Gabriella De Lorenzis
- Dipartimento di Scienze Agrarie ed Ambientali, Università degli Studi di Milano, Milano, Italy
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12
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Paul S, Parvez SS, Goswami A, Banik A. Exopolysaccharides from agriculturally important microorganisms: Conferring soil nutrient status and plant health. Int J Biol Macromol 2024; 262:129954. [PMID: 38336329 DOI: 10.1016/j.ijbiomac.2024.129954] [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: 03/31/2023] [Revised: 08/10/2023] [Accepted: 02/01/2024] [Indexed: 02/12/2024]
Abstract
A wide variety of microorganisms secretes extracellular polymeric substances or commonly known as exopolysaccharides (EPS), which have been studied to influence plant growth via various mechanisms. EPS-producing microorganisms have been found to have positive effects on plant health such as by facilitating nutrient entrapment in the soil, or by improving soil quality, especially by helping in mitigating various abiotic stress conditions. The various types of microbial polysaccharides allow for the compartmentalization of the microbial community enabling them to endure undressing stress conditions. With the growing population, there is a constant need for developing sustainable agriculture where we could use various PGPR to help the plant cope with various stress conditions and simultaneously enhance the crop yield. These polysaccharides have also found application in various sectors, especially in the biomedical fields, manifesting their potential to act as antitumor drugs, play a significant role in immune evasion, and reveal various therapeutic potentials. These constitute high levels of bioactive polysaccharides which possess a wide range of implementation starting from industrial applications to novel food applications. In this current review, we aim at presenting a comprehensive study of how these microbial extracellular polymeric substances influence agricultural productivity along with their other commercial applications.
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Affiliation(s)
- Sushreeta Paul
- Laboratory of Microbial Interaction, Institute of Health Sciences, Presidency University, Kolkata, West Bengal, India
| | - Sk Soyal Parvez
- Laboratory of Microbial Interaction, Institute of Health Sciences, Presidency University, Kolkata, West Bengal, India
| | - Anusree Goswami
- Laboratory of Microbial Interaction, Institute of Health Sciences, Presidency University, Kolkata, West Bengal, India
| | - Avishek Banik
- Laboratory of Microbial Interaction, Institute of Health Sciences, Presidency University, Kolkata, West Bengal, India.
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13
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Li ZY, Ma N, Zhang FJ, Li LZ, Li HJ, Wang XF, Zhang Z, You CX. Functions of Phytochrome Interacting Factors (PIFs) in Adapting Plants to Biotic and Abiotic Stresses. Int J Mol Sci 2024; 25:2198. [PMID: 38396875 PMCID: PMC10888771 DOI: 10.3390/ijms25042198] [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: 01/06/2024] [Revised: 02/03/2024] [Accepted: 02/04/2024] [Indexed: 02/25/2024] Open
Abstract
Plants possess the remarkable ability to sense detrimental environmental stimuli and launch sophisticated signal cascades that culminate in tailored responses to facilitate their survival, and transcription factors (TFs) are closely involved in these processes. Phytochrome interacting factors (PIFs) are among these TFs and belong to the basic helix-loop-helix family. PIFs are initially identified and have now been well established as core regulators of phytochrome-associated pathways in response to the light signal in plants. However, a growing body of evidence has unraveled that PIFs also play a crucial role in adapting plants to various biological and environmental pressures. In this review, we summarize and highlight that PIFs function as a signal hub that integrates multiple environmental cues, including abiotic (i.e., drought, temperature, and salinity) and biotic stresses to optimize plant growth and development. PIFs not only function as transcription factors to reprogram the expression of related genes, but also interact with various factors to adapt plants to harsh environments. This review will contribute to understanding the multifaceted functions of PIFs in response to different stress conditions, which will shed light on efforts to further dissect the novel functions of PIFs, especially in adaption to detrimental environments for a better survival of plants.
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Affiliation(s)
- Zhao-Yang Li
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
| | - Ning Ma
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
| | - Fu-Jun Zhang
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
- Department of Horticulture, College of Agriculture, Shihezi University, Shihezi 832003, China
| | - Lian-Zhen Li
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
| | - Hao-Jian Li
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
| | - Xiao-Fei Wang
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
| | - Zhenlu Zhang
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
| | - Chun-Xiang You
- College of Horticulture Science and Engineering, State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai’an 271000, China; (Z.-Y.L.); (N.M.); (F.-J.Z.); (L.-Z.L.); (H.-J.L.); (X.-F.W.)
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14
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Jaiswal S, Tripathi DK, Gupta R, He J, Chen ZH, Singh VP. Methyl-salicylate: A surveillance system for triggering immunity in neighboring plants. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2024; 66:163-165. [PMID: 38314644 DOI: 10.1111/jipb.13621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 01/16/2024] [Indexed: 02/06/2024]
Abstract
After being infested by aphids, plants trigger a signaling pathway that involves methyl salicylate as an airborne signaling molecule. Thus, the regulation of communication for systemically acquired resistance produced via methyl salicylate is helpful in generating stress resistance among plants against aphid infestation.
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Affiliation(s)
- Saumya Jaiswal
- Plant Physiology Laboratory, Department of Botany, C.M.P. Degree College, A Constituent Post Graduate College of University of Allahabad, Prayagraj, 211002, India
| | - Durgesh Kumar Tripathi
- Crop Nanobiology and Molecular Stress Physiology Lab Amity Institute of Organic Agriculture, Amity University Uttar Pradesh, Noida, 201313, India
| | - Ravi Gupta
- College of General Education, Kookmin University, Seoul, 02707, South Korea
| | - Jing He
- School of Science, Western Sydney University, Sydney, 2751, New South Wales, Australia
| | - Zhong-Hua Chen
- School of Science, Western Sydney University, Sydney, 2751, New South Wales, Australia
- Hawkesbury Institute for the Environment, Western Sydney University, Sydney, 2751, New South Wales, Australia
| | - Vijay Pratap Singh
- Plant Physiology Laboratory, Department of Botany, C.M.P. Degree College, A Constituent Post Graduate College of University of Allahabad, Prayagraj, 211002, India
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15
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Aggarwal B, Rajora N, Raturi G, Dhar H, Kadam SB, Mundada PS, Shivaraj SM, Varshney V, Deshmukh R, Barvkar VT, Salvi P, Sonah H. Biotechnology and urban agriculture: A partnership for the future sustainability. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 338:111903. [PMID: 37865210 DOI: 10.1016/j.plantsci.2023.111903] [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: 08/05/2023] [Accepted: 10/18/2023] [Indexed: 10/23/2023]
Abstract
The global population is growing rapidly, and with it, the demand for food. In the coming decades, more and more people will be living in urban areas, where land for traditional agriculture is scarce. Urban agriculture can help to meet this growing demand for food in a sustainable way. Urban agriculture is the practice of growing food in urban areas. It can be done on rooftops, balconies, vacant lots, and even in alleyways. Urban agriculture can produce a variety of crops, including fruits, vegetables, and herbs. It can also help to improve air quality, reduce stormwater runoff, and create jobs. Biotechnology can be used to improve the efficiency and sustainability of urban agriculture. Biotechnological tools can be used to develop crops that are resistant to pests and diseases, that are more tolerant of drought and heat, and that have higher yields. Biotechnology can also be used to improve the nutritional value of crops. This review article discusses the need for and importance of urban agriculture, biotechnology, and genome editing in meeting the growing demand for food in urban areas. It also discusses the potential of biotechnology to improve the sustainability of urban agriculture.
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Affiliation(s)
- Bharti Aggarwal
- National Agri-Food Biotechnology Institute (NABI), Mohali, India
| | - Nitika Rajora
- National Agri-Food Biotechnology Institute (NABI), Mohali, India
| | - Gaurav Raturi
- National Agri-Food Biotechnology Institute (NABI), Mohali, India
| | - Hena Dhar
- Department of Microbiology, School of Biosciences, RIMT University, Mandi Gobindgarh, India
| | - Swapnil B Kadam
- Department of Botany, Savitribai Phule Pune University, Pune, India
| | - Pankaj S Mundada
- Department of Biotechnology, Yashavantrao Chavan Institute of Science, Satara, India
| | - S M Shivaraj
- National Agri-Food Biotechnology Institute (NABI), Mohali, India; Department of Science, Alliance University, Bengaluru, Karnataka, India
| | - Vishal Varshney
- Govt. Shaheed Gend Singh College, Charama, Chhattisgarh, India
| | - Rupesh Deshmukh
- Department of Biotechnology, Central University of Haryana (CUH), Mahendergarh, India
| | | | - Prafull Salvi
- National Agri-Food Biotechnology Institute (NABI), Mohali, India.
| | - Humira Sonah
- Department of Biotechnology, Central University of Haryana (CUH), Mahendergarh, India.
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16
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Singh N, Ravi B, Saini LK, Pandey GK. Voltage-dependent anion channel 3 (VDAC3) mediates P. syringae induced ABA-SA signaling crosstalk in Arabidopsis thaliana. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 206:108237. [PMID: 38109831 DOI: 10.1016/j.plaphy.2023.108237] [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: 08/25/2023] [Revised: 11/04/2023] [Accepted: 11/23/2023] [Indexed: 12/20/2023]
Abstract
Pathogen severely affects plant mitochondrial processes including respiration, however, the roles and mechanism of mitochondrial protein during the immune response remain largely unexplored. The interplay of plant hormone signaling during defense is an outcome of plant pathogen interaction. We recently discovered that the Arabidopsis calcineurin B-like interacting protein kinase 9 (AtCIPK9) interacts with the voltage-dependent anion channel 3 (AtVDAC3) and inhibits MV-induced oxidative damage. Here we report the characterization of AtVDAC3 in an antagonistic interaction pathway between abscisic acid (ABA) and salicylic acid (SA) signaling in Pseudomonas syringae -Arabidopsis interaction. In this study, we observed that mutants of AtVDAC3 were highly susceptible to Pseudomonas syringae infection as compared to the wild type (WT) Arabidopsis plants. Transcripts of VDAC3 and CIPK9 were inducible upon ABA application. Following pathogen exposure, expression analyses of ABA and SA biosynthesis genes indicated that the function of VDAC3 is required for isochorisimate synthase 1 (ICS1) expression but not for Nine-cis-epoxycaotenoid dioxygenase 3 (NCED3) expression. Despite the fact that vdac3 mutants had increased NCED3 expression in response to pathogen challenge, transcripts of ABA sensitive genes such as AtRD22 and AtRAB18 were downregulated even after exogenous ABA application. VDAC3 is required for ABA responsive genes expression upon exogenous ABA application. We also found that Pseudomonas syringae-induced SA signaling is downregulated in vdac3 mutants since overexpression of VDAC3 resulted in hyperaccumulation of Pathogenesis related gene1 (PR1) transcript. Interestingly, ABA application prior to P. syringae inoculation resulted in the upregulation of ABA responsive genes like Responsive to ABA18 (RAB18) and Responsive to dehydration 22 (RD22). Intriguingly, in the absence of AtVDAC3, Pst challenge can dramatically increase ABA-induced RD22 and RAB18 expression. Altogether our results reveal a novel Pathogen-SA-ABA interaction pathway in plants. Our findings show that ABA plays a significant role in modifying plant-pathogen interactions, owing to cross-talk with the biotic stress signaling pathways of ABA and SA.
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Affiliation(s)
- Nidhi Singh
- Department of Plant Molecular Biology, University of Delhi South Campus, Benito Juarez Road, Dhaula Kuan, New Delhi, 110021, India
| | - Barkha Ravi
- Department of Plant Molecular Biology, University of Delhi South Campus, Benito Juarez Road, Dhaula Kuan, New Delhi, 110021, India
| | - Lokesh K Saini
- Department of Plant Molecular Biology, University of Delhi South Campus, Benito Juarez Road, Dhaula Kuan, New Delhi, 110021, India
| | - Girdhar K Pandey
- Department of Plant Molecular Biology, University of Delhi South Campus, Benito Juarez Road, Dhaula Kuan, New Delhi, 110021, India.
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17
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Sharma D, Kumari A, Sharma P, Singh A, Sharma A, Mir ZA, Kumar U, Jan S, Parthiban M, Mir RR, Bhati P, Pradhan AK, Yadav A, Mishra DC, Budhlakoti N, Yadav MC, Gaikwad KB, Singh AK, Singh GP, Kumar S. Meta-QTL analysis in wheat: progress, challenges and opportunities. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2023; 136:247. [PMID: 37975911 DOI: 10.1007/s00122-023-04490-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 10/16/2023] [Indexed: 11/19/2023]
Abstract
Wheat, an important cereal crop globally, faces major challenges due to increasing global population and changing climates. The production and productivity are challenged by several biotic and abiotic stresses. There is also a pressing demand to enhance grain yield and quality/nutrition to ensure global food and nutritional security. To address these multifaceted concerns, researchers have conducted numerous meta-QTL (MQTL) studies in wheat, resulting in the identification of candidate genes that govern these complex quantitative traits. MQTL analysis has successfully unraveled the complex genetic architecture of polygenic quantitative traits in wheat. Candidate genes associated with stress adaptation have been pinpointed for abiotic and biotic traits, facilitating targeted breeding efforts to enhance stress tolerance. Furthermore, high-confidence candidate genes (CGs) and flanking markers to MQTLs will help in marker-assisted breeding programs aimed at enhancing stress tolerance, yield, quality and nutrition. Functional analysis of these CGs can enhance our understanding of intricate trait-related genetics. The discovery of orthologous MQTLs shared between wheat and other crops sheds light on common evolutionary pathways governing these traits. Breeders can leverage the most promising MQTLs and CGs associated with multiple traits to develop superior next-generation wheat cultivars with improved trait performance. This review provides a comprehensive overview of MQTL analysis in wheat, highlighting progress, challenges, validation methods and future opportunities in wheat genetics and breeding, contributing to global food security and sustainable agriculture.
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Affiliation(s)
- Divya Sharma
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | - Anita Kumari
- Department of Botany, University of Delhi, Delhi, India
| | - Priya Sharma
- Department of Botany, University of Delhi, Delhi, India
| | - Anupma Singh
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | - Anshu Sharma
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | - Zahoor Ahmad Mir
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | - Uttam Kumar
- Borlaug Institute for South Asia (BISA), Ludhiana, India
| | - Sofora Jan
- Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir (SKUAST-K), Srinagar, Kashmir, India
| | - M Parthiban
- Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir (SKUAST-K), Srinagar, Kashmir, India
| | - Reyazul Rouf Mir
- Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir (SKUAST-K), Srinagar, Kashmir, India
| | - Pradeep Bhati
- Borlaug Institute for South Asia (BISA), Ludhiana, India
| | - Anjan Kumar Pradhan
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | - Aakash Yadav
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | | | - Neeraj Budhlakoti
- ICAR- Indian Agricultural Statistics Research Institute, New Delhi, India
| | - Mahesh C Yadav
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | - Kiran B Gaikwad
- Division of Genetics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Amit Kumar Singh
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
| | | | - Sundeep Kumar
- ICAR-National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India.
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18
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Qian J, Liao Y, Jian G, Jia Y, Zeng L, Gu D, Li H, Yang Y. Light induces an increasing release of benzyl nitrile against diurnal herbivore Ectropis grisescens Warren attack in tea (Camellia sinensis) plants. PLANT, CELL & ENVIRONMENT 2023; 46:3464-3480. [PMID: 37553868 DOI: 10.1111/pce.14687] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 07/27/2023] [Accepted: 08/01/2023] [Indexed: 08/10/2023]
Abstract
Herbivore-induced plant volatiles (HIPVs) are critical compounds that directly or indirectly regulate the tritrophic interactions among herbivores, natural enemies and plants. The synthesis and release of HIPVs are regulated by many biotic and abiotic factors. However, the mechanism by which multiple factors synergistically affect HIPVs release remains unclear. Tea plant (Camellia sinensis) is the object of this study because of its rich and varied volatile metabolites. In this study, benzyl nitrile was released from herbivore-attacked tea plants more in the daytime than at night, which was consistent with the feeding behaviour of tea geometrid (Ectropis grisescens Warren) larvae. The Y-tube olfactometer assay and insect resistance analysis revealed that benzyl nitrile can repel tea geometrid larvae and inhibit their growth. On the basis of enzyme activities in transiently transformed Nicotiana benthamiana plants, CsCYP79 was identified as a crucial regulator in the benzyl nitrile biosynthetic pathway. Light signalling-related transcription factor CsPIF1-like and the jasmonic acid (JA) signalling-related transcription factor CsMYC2 serve as the activator of CsCYP79 under light and damage conditions. Our study revealed that light (abiotic factor) and herbivore-induced damage (biotic stress) synergistically regulate the synthesis and release of benzyl nitrile to protect plants from diurnal herbivorous tea geometrid larvae.
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Affiliation(s)
- Jiajia Qian
- Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
- South China National Botanical Garden, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yinyin Liao
- Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
- South China National Botanical Garden, Guangzhou, China
| | - Guotai Jian
- Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
- South China National Botanical Garden, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yongxia Jia
- Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
- South China National Botanical Garden, Guangzhou, China
| | - Lanting Zeng
- Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
- South China National Botanical Garden, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
- Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, China
| | - Dachuan Gu
- Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
- South China National Botanical Garden, Guangzhou, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Hanxiang Li
- Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
- South China National Botanical Garden, Guangzhou, China
| | - Yuhua Yang
- Guangdong Provincial Key Laboratory of Applied Botany & Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
- South China National Botanical Garden, Guangzhou, China
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19
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Wang JY, Jamil M, AlOtaibi TS, Abdelaziz ME, Ota T, Ibrahim OH, Berqdar L, Asami T, Ahmed Mousa MA, Al-Babili S. Zaxinone mimics (MiZax) efficiently promote growth and production of potato and strawberry plants under desert climate conditions. Sci Rep 2023; 13:17438. [PMID: 37838798 PMCID: PMC10576822 DOI: 10.1038/s41598-023-42478-3] [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: 03/22/2023] [Accepted: 09/11/2023] [Indexed: 10/16/2023] Open
Abstract
Climate changes and the rapid expanding human population have become critical concerns for global food security. One of the promising solutions is the employment of plant growth regulators (PGRs) for increasing crop yield and overcoming adverse growth conditions, such as desert climate. Recently, the apocarotenoid zaxinone and its two mimics (MiZax3 and MiZax5) have shown a promising growth-promoting activity in cereals and vegetable crops under greenhouse and field conditions. Herein, we further investigated the effect of MiZax3 and MiZax5, at different concentrations (5 and 10 µM in 2021; 2.5 and 5 µM in 2022), on the growth and yield of the two valuable vegetable crops, potato and strawberry, in the Kingdom of Saudi of Arabia. Application of both MiZax significantly increased plant agronomic traits, yield components and total yield, in five independent field trials from 2021 to 2022. Remarkably, the amount of applied MiZax was far less than humic acid, a widely applied commercial compound used here for comparison. Hence, our results indicate that MiZax are very promising PGRs that can be applied to promote the growth and yield of vegetable crops even under desert conditions and at relatively low concentrations.
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Affiliation(s)
- Jian You Wang
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Jeddah, Saudi Arabia
| | - Muhammad Jamil
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Jeddah, Saudi Arabia
| | - Turki S AlOtaibi
- Department of Agriculture, Faculty of Environmental Sciences, King Abdulaziz University (KAU), 21589, Jeddah, Saudi Arabia
| | - Mohamed E Abdelaziz
- Department of Vegetable Crops, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt
- The National Research and Development Center for Sustainable Agriculture (Estidamah), Riyadh, Kingdom of Saudi Arabia
| | - Tsuyoshi Ota
- Applied Biological Chemistry, The University of Tokyo, Tokyo, Japan
| | - Omer H Ibrahim
- Department of Agriculture, Faculty of Environmental Sciences, King Abdulaziz University (KAU), 21589, Jeddah, Saudi Arabia
- Department of Ornamental Crops, Faculty of Agriculture, Assiut University, Assiut, 71526, Egypt
| | - Lamis Berqdar
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Jeddah, Saudi Arabia
| | - Tadao Asami
- Applied Biological Chemistry, The University of Tokyo, Tokyo, Japan
| | - Magdi Ali Ahmed Mousa
- Department of Agriculture, Faculty of Environmental Sciences, King Abdulaziz University (KAU), 21589, Jeddah, Saudi Arabia
- Department of Vegetable Crops, Faculty of Agriculture, Assiut University, Assiut, 71526, Egypt
| | - Salim Al-Babili
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Jeddah, Saudi Arabia.
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Jeddah, Saudi Arabia.
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20
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de Almeida NM, de Almeida AAF, de Almeida Santos N, Mora-Ocampo IY, Pirovani CP. Leaf proteomic profiles in cacao scion-rootstock combinations tolerant and intolerant to cadmium toxicity. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 203:107987. [PMID: 37722279 DOI: 10.1016/j.plaphy.2023.107987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/22/2023] [Accepted: 08/23/2023] [Indexed: 09/20/2023]
Abstract
Cd contamination in cacao beans is one of the major problems faced by cocoa producing countries in Latin America. Cacao scion-rootstock combinations influence the Cd accumulation in the shoot of the plant. The objective of this work was to carry out a comparative analysis between cacao scion rootstock combinations (CCN 51/BN 34, CCN 51/PS 13.19, CCN 51/PH 16 and CCN 51/CCN 51), contrasting for tolerance to cadmium (Cd) toxicity, by means of leaf proteomic profiles, in order to elucidate molecular mechanisms involved in tolerance to Cd toxicity. Cacao scion-rootstock combinations were grown in soil with 150 mg Cd kg-1 soil, together with the control treatment. Leaf samples were collected 96 h after treatments were applied. There were alterations in the leaf proteome of the cacao scion-rootstock combinations, whose molecular responses to Cd toxicity varied depending on the combination. Leaf proteomic analyzes provided important information regarding the molecular mechanisms involved in the tolerance and intolerance of cacao scion-rootstock combinations to Cd toxicity. Enzymatic and non-enzymatic antioxidant systems, efficient for eliminating ROS, especially the expressions of APX and SOD, in addition to the increase in the abundance of metalloproteins, such as ferredoxins, rubredoxin, ALMT, Trx-1 and ABC-transporter were key mechanisms used in the Cd detoxification in cacao scion-rootstock combinations tolerant to Cd toxicity. Carboxylic acid metabolism, glucose activation and signal transduction were also important processes in the responses of cacao scion-rootstock combinations to Cd toxicity. The results confirmed CCN 51/BN 34 as a cacao scion-rootstock combination efficient in tolerance to Cd toxicity.
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Affiliation(s)
- Nicolle Moreira de Almeida
- Department of Biological Sciences, State University of Santa Cruz, Highway Jorge Amado, Km 16, 45662-900, Ilhéus, BA, Brazil.
| | - Alex-Alan Furtado de Almeida
- Department of Biological Sciences, State University of Santa Cruz, Highway Jorge Amado, Km 16, 45662-900, Ilhéus, BA, Brazil.
| | - Nayara de Almeida Santos
- Department of Biological Sciences, State University of Santa Cruz, Highway Jorge Amado, Km 16, 45662-900, Ilhéus, BA, Brazil.
| | - Irma Yuliana Mora-Ocampo
- Department of Biological Sciences, State University of Santa Cruz, Highway Jorge Amado, Km 16, 45662-900, Ilhéus, BA, Brazil.
| | - Carlos Priminho Pirovani
- Department of Biological Sciences, State University of Santa Cruz, Highway Jorge Amado, Km 16, 45662-900, Ilhéus, BA, Brazil.
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21
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Liu S, Zenda T, Tian Z, Huang Z. Metabolic pathways engineering for drought or/and heat tolerance in cereals. FRONTIERS IN PLANT SCIENCE 2023; 14:1111875. [PMID: 37810398 PMCID: PMC10557149 DOI: 10.3389/fpls.2023.1111875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 09/04/2023] [Indexed: 10/10/2023]
Abstract
Drought (D) and heat (H) are the two major abiotic stresses hindering cereal crop growth and productivity, either singly or in combination (D/+H), by imposing various negative impacts on plant physiological and biochemical processes. Consequently, this decreases overall cereal crop production and impacts global food availability and human nutrition. To achieve global food and nutrition security vis-a-vis global climate change, deployment of new strategies for enhancing crop D/+H stress tolerance and higher nutritive value in cereals is imperative. This depends on first gaining a mechanistic understanding of the mechanisms underlying D/+H stress response. Meanwhile, functional genomics has revealed several stress-related genes that have been successfully used in target-gene approach to generate stress-tolerant cultivars and sustain crop productivity over the past decades. However, the fast-changing climate, coupled with the complexity and multigenic nature of D/+H tolerance suggest that single-gene/trait targeting may not suffice in improving such traits. Hence, in this review-cum-perspective, we advance that targeted multiple-gene or metabolic pathway manipulation could represent the most effective approach for improving D/+H stress tolerance. First, we highlight the impact of D/+H stress on cereal crops, and the elaborate plant physiological and molecular responses. We then discuss how key primary metabolism- and secondary metabolism-related metabolic pathways, including carbon metabolism, starch metabolism, phenylpropanoid biosynthesis, γ-aminobutyric acid (GABA) biosynthesis, and phytohormone biosynthesis and signaling can be modified using modern molecular biotechnology approaches such as CRISPR-Cas9 system and synthetic biology (Synbio) to enhance D/+H tolerance in cereal crops. Understandably, several bottlenecks hinder metabolic pathway modification, including those related to feedback regulation, gene functional annotation, complex crosstalk between pathways, and metabolomics data and spatiotemporal gene expressions analyses. Nonetheless, recent advances in molecular biotechnology, genome-editing, single-cell metabolomics, and data annotation and analysis approaches, when integrated, offer unprecedented opportunities for pathway engineering for enhancing crop D/+H stress tolerance and improved yield. Especially, Synbio-based strategies will accelerate the development of climate resilient and nutrient-dense cereals, critical for achieving global food security and combating malnutrition.
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Affiliation(s)
- Songtao Liu
- Hebei Key Laboratory of Quality & Safety Analysis-Testing for Agro-Products and Food, Hebei North University, Zhangjiakou, China
| | - Tinashe Zenda
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, China
| | - Zaimin Tian
- Hebei Key Laboratory of Quality & Safety Analysis-Testing for Agro-Products and Food, Hebei North University, Zhangjiakou, China
| | - Zhihong Huang
- Hebei Key Laboratory of Quality & Safety Analysis-Testing for Agro-Products and Food, Hebei North University, Zhangjiakou, China
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22
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Agrawal V, Singh V, Tripathi BN. Components and processes involved in retrograde signaling from chloroplast to nucleus. PHYSIOLOGIA PLANTARUM 2023; 175:e13987. [PMID: 37616006 DOI: 10.1111/ppl.13987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 07/01/2023] [Accepted: 07/23/2023] [Indexed: 08/25/2023]
Abstract
Retrograde signaling conceptually means the transfer of signals from semi-autonomous cell organelles to the nucleus to modulate nuclear gene expression. A generalized explanation is that chloroplasts are highly sensitive to environmental stimuli and quickly generate signaling molecules (retrograde signals) and transport them to the nucleus through the cytosol to reprogram nuclear gene expression for cellular/metabolic adjustments to cope with environmental fluctuations. During the past decade, substantial advancements have been made in the area of retrograde signaling, including information on putative retrograde signals. Researchers have also proposed possible mechanisms for generating retrograde signals and their transmission. However, the exact mechanisms and processes responsible for transmitting retrograde signaling from the chloroplast to the nucleus remain elusive, demanding substantial attention. This review highlights strategies employed to detect retrograde signals, their possible modes of signaling to the nucleus, and their implications for cellular processes during stress conditions. The present review also summarizes the role of ROS-mediated retrograde signaling in plastid-nucleus communication and its functional significance in co-coordinating the physiological profile of plant cells.
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Affiliation(s)
- Variyata Agrawal
- Department of Biotechnology, Indira Gandhi National Tribal University, Amarkantak, India
| | - Vijetna Singh
- Department of Biotechnology, Indira Gandhi National Tribal University, Amarkantak, India
| | - Bhumi Nath Tripathi
- Department of Biotechnology, Indira Gandhi National Tribal University, Amarkantak, India
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23
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Razzaq MK, Hina A, Abbasi A, Karikari B, Ashraf HJ, Mohiuddin M, Maqsood S, Maqsood A, Haq IU, Xing G, Raza G, Bhat JA. Molecular and genetic insights into secondary metabolic regulation underlying insect-pest resistance in legumes. Funct Integr Genomics 2023; 23:217. [PMID: 37392308 DOI: 10.1007/s10142-023-01141-w] [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: 12/27/2022] [Revised: 06/15/2023] [Accepted: 06/19/2023] [Indexed: 07/03/2023]
Abstract
Insect pests pose a major threat to agricultural production, resulting in significant economic losses for countries. A high infestation of insects in any given area can severely reduce crop yield and quality. This review examines the existing resources for managing insect pests and highlights alternative eco-friendly techniques to enhance insect pest resistance in legumes. Recently, the application of plant secondary metabolites has gained popularity in controlling insect attacks. Plant secondary metabolites encompass a wide range of compounds such as alkaloids, flavonoids, and terpenoids, which are often synthesized through intricate biosynthetic pathways. Classical methods of metabolic engineering involve manipulating key enzymes and regulatory genes to enhance or redirect the production of secondary metabolites in plants. Additionally, the role of genetic approaches, such as quantitative trait loci mapping, genome-wide association (GWAS) mapping, and metabolome-based GWAS in insect pest management is discussed, also, the role of precision breeding, such as genome editing technologies and RNA interference for identifying pest resistance and manipulating the genome to develop insect-resistant cultivars are explored, highlighting the positive contribution of plant secondary metabolites engineering-based resistance against insect pests. It is suggested that by understanding the genes responsible for beneficial metabolite compositions, future research might hold immense potential to shed more light on the molecular regulation of secondary metabolite biosynthesis, leading to advancements in insect-resistant traits in crop plants. In the future, the utilization of metabolic engineering and biotechnological methods may serve as an alternative means of producing biologically active, economically valuable, and medically significant compounds found in plant secondary metabolites, thereby addressing the challenge of limited availability.
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Affiliation(s)
- Muhammad Khuram Razzaq
- Soybean Research Institute & MARA National Centre for Soybean Improvement & MARA Key Laboratory of Biology and Genetic Improvement of Soybean & National Key Laboratory for Crop Genetics and Germplasm Enhancement & Jiangsu Collaborative Innovation Centre for Modern Crop Production, Nanjing Agricultural University, Nanjing, 210095, China.
| | - Aiman Hina
- Ministry of Agriculture (MOA) National Centre for Soybean Improvement, State Key Laboratory for Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, China.
| | - Asim Abbasi
- Department of Environmental Sciences, Kohsar University Murree, Murree, 47150, Pakistan
| | - Benjamin Karikari
- Department of Agricultural Biotechnology, Faculty of Agriculture, Food and Consumer Sciences, University for Development Studies, Tamale, Ghana
| | - Hafiza Javaria Ashraf
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Muhammad Mohiuddin
- Environmental Management Consultants (EMC) Private Limited, Islamabad, 44000, Pakistan
| | - Sumaira Maqsood
- Department of Environmental Sciences, Kohsar University Murree, Murree, 47150, Pakistan
| | - Aqsa Maqsood
- Department of Zoology, University of Central Punjab, Bahawalpur, 63100, Pakistan
| | - Inzamam Ul Haq
- College of Plant Protection, Gansu Agricultural University, Lanzhou, No. 1 Yingmen Village, Anning District, Lanzhou, 730070, China
| | - Guangnan Xing
- Soybean Research Institute & MARA National Centre for Soybean Improvement & MARA Key Laboratory of Biology and Genetic Improvement of Soybean & National Key Laboratory for Crop Genetics and Germplasm Enhancement & Jiangsu Collaborative Innovation Centre for Modern Crop Production, Nanjing Agricultural University, Nanjing, 210095, China
| | - Ghulam Raza
- National Institute for Biotechnology and Genetic Engineering Faisalabad, Faisalabad, Pakistan
| | - Javaid Akhter Bhat
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China
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Chauhan P, Mehta N, Chauhan RS, Kumar A, Singh H, Lal MK, Tiwari RK, Kumar R. Utilization of primary and secondary biochemical compounds in cotton as diagnostic markers for measuring resistance to cotton leaf curl virus. FRONTIERS IN PLANT SCIENCE 2023; 14:1185337. [PMID: 37346125 PMCID: PMC10280379 DOI: 10.3389/fpls.2023.1185337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 05/02/2023] [Indexed: 06/23/2023]
Abstract
Introduction Cotton (Gossypium hirsutum L.) is one of the most important staple fibrous crops cultivated in India and globally. However, its production and quality are greatly hampered by cotton leaf curl disease (CLCuD) caused by cotton leaf curl virus (CLCuV). Therefore, the aim of the present study was to investigate the biochemical mechanisms associated with CLCuD resistance in contrasting cotton genotypes. Methods Four commercial cotton varieties with susceptible (HS 6 and RCH-134 BG-II) and resistant (HS 1236 and Bunty) responses were used to analyze the role of primary (sugar, protein, and chlorophyll) and secondary (gossypol, phenol, and tannin) biochemical compounds produced by the plants against infection by CLCuV. The resistant cultivars with increased activity of protein, phenol, and tannin exhibited biochemical barriers against CLCuV infection, imparting resistance in cotton cultivars. Results Reducing sugar in the healthy plants of the susceptible Bt cultivar RCH 134 BG-II exhibited the highest value of 1.67 mg/g at 90 days. In contrast, the lowest value of 0.07 mg g-1 was observed at 60 DAS in the highly diseased plants of the susceptible hybrid HS 6. Higher phenol content (0.70 mg g-1) was observed at 90 DAS in resistant cultivars, whereas highly susceptible plants exhibited the least phenol (0.25 mg g-1) at 90 DAS. The lowest protein activity was observed at 120 DAS in susceptible cultivars HS 6 (9.4 mg g-1) followed by RCH 134 BG-II (10.5 mg g-1). However, other biochemical compounds, including chlorophyll, sugar, and gossypol, did not show a significant role in resistance against CLCuV. The disease progression analysis in susceptible cultivars revealed non-significant differences between the two susceptible varieties. Discussion Nevertheless, these compounds are virtually associated with the basic physiological and metabolic mechanisms of cotton plants. Among the primary biochemical compounds, only protein activity was proposed as the first line of defense in cotton against CLCuV. The secondary level of defense line in resistance showed the activity of secondary biochemical compounds phenol and tannins, which displayed a significant increase in their levels while imparting resistance against CLCuV in cotton.
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Affiliation(s)
- Prashant Chauhan
- College of Agriculture, Chaudhary Charan Singh (CCS) Haryana Agricultural University, Hisar, India
| | - Naresh Mehta
- Department of Plant Pathology, Chaudhary Charan Singh (CCS) Haryana Agricultural University, Hisar, India
| | - R. S. Chauhan
- Krishi Vigyan Kendra, Chaudhary Charan Singh (CCS) Haryana Agricultural University, Hisar, India
| | - Abhishek Kumar
- Department of Plant Pathology, Chaudhary Charan Singh (CCS) Haryana Agricultural University, Hisar, India
| | - Harbinder Singh
- Department of Plant Pathology, Chaudhary Charan Singh (CCS) Haryana Agricultural University, Hisar, India
| | - Milan Kumar Lal
- Department of Crop Physiology, Biochemistry & Postharvest Technology, Indian Council of Agricultural Research (ICAR)-Central Potato Research Institute, Shimla, Himachal Pradesh, India
| | - Rahul Kumar Tiwari
- Department of Plant Protection, Indian Council of Agricultural Research (ICAR)-Central Potato Research Institute, Himachal Pradesh, India
| | - Ravinder Kumar
- Department of Plant Protection, Indian Council of Agricultural Research (ICAR)-Central Potato Research Institute, Himachal Pradesh, India
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Al-Khayri JM, Rashmi R, Toppo V, Chole PB, Banadka A, Sudheer WN, Nagella P, Shehata WF, Al-Mssallem MQ, Alessa FM, Almaghasla MI, Rezk AAS. Plant Secondary Metabolites: The Weapons for Biotic Stress Management. Metabolites 2023; 13:716. [PMID: 37367873 DOI: 10.3390/metabo13060716] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 05/26/2023] [Accepted: 05/29/2023] [Indexed: 06/28/2023] Open
Abstract
The rise in global temperature also favors the multiplication of pests and pathogens, which calls into question global food security. Plants have developed special coping mechanisms since they are sessile and lack an immune system. These mechanisms use a variety of secondary metabolites as weapons to avoid obstacles, adapt to their changing environment, and survive in less-than-ideal circumstances. Plant secondary metabolites include phenolic compounds, alkaloids, glycosides, and terpenoids, which are stored in specialized structures such as latex, trichomes, resin ducts, etc. Secondary metabolites help the plants to be safe from biotic stressors, either by repelling them or attracting their enemies, or exerting toxic effects on them. Modern omics technologies enable the elucidation of the structural and functional properties of these metabolites along with their biosynthesis. A better understanding of the enzymatic regulations and molecular mechanisms aids in the exploitation of secondary metabolites in modern pest management approaches such as biopesticides and integrated pest management. The current review provides an overview of the major plant secondary metabolites that play significant roles in enhancing biotic stress tolerance. It examines their involvement in both indirect and direct defense mechanisms, as well as their storage within plant tissues. Additionally, this review explores the importance of metabolomics approaches in elucidating the significance of secondary metabolites in biotic stress tolerance. The application of metabolic engineering in breeding for biotic stress resistance is discussed, along with the exploitation of secondary metabolites for sustainable pest management.
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Affiliation(s)
- Jameel M Al-Khayri
- Department of Agricultural Biotechnology, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Ramakrishnan Rashmi
- Department of Life Sciences, CHRIST (Deemed to be University), Bangalore 560 029, Karnataka, India
| | - Varsha Toppo
- Department of Life Sciences, CHRIST (Deemed to be University), Bangalore 560 029, Karnataka, India
| | - Pranjali Bajrang Chole
- Department of Life Sciences, CHRIST (Deemed to be University), Bangalore 560 029, Karnataka, India
| | - Akshatha Banadka
- Department of Life Sciences, CHRIST (Deemed to be University), Bangalore 560 029, Karnataka, India
| | - Wudali Narasimha Sudheer
- Department of Life Sciences, CHRIST (Deemed to be University), Bangalore 560 029, Karnataka, India
| | - Praveen Nagella
- Department of Life Sciences, CHRIST (Deemed to be University), Bangalore 560 029, Karnataka, India
| | - Wael Fathi Shehata
- Department of Agricultural Biotechnology, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Muneera Qassim Al-Mssallem
- Department of Food Science and Nutrition, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Fatima Mohammed Alessa
- Department of Food Science and Nutrition, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Mustafa Ibrahim Almaghasla
- Department of Arid Land Agriculture, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Plant Pests, and Diseases Unit, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Adel Abdel-Sabour Rezk
- Department of Agricultural Biotechnology, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Department of Virus and Phytoplasma, Plant Pathology Institute, Agricultural Research Center, Giza 12619, Egypt
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Jeong SJ, Nam BE, Jeong HJ, Jang JY, Joo Y, Kim JG. Age-dependent resistance of a perennial herb, Aristolochia contorta against specialist and generalist leaf-chewing herbivores. FRONTIERS IN PLANT SCIENCE 2023; 14:1145363. [PMID: 37324666 PMCID: PMC10265686 DOI: 10.3389/fpls.2023.1145363] [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: 01/16/2023] [Accepted: 05/04/2023] [Indexed: 06/17/2023]
Abstract
Plants need to balance investments in growth and defense throughout their life to increase their fitness. To optimize fitness, levels of defense against herbivores in perennial plants may vary according to plant age and season. However, secondary plant metabolites often have a detrimental effect on generalist herbivores, while many specialists have developed resistance to them. Therefore, varying levels of defensive secondary metabolites depending on plant age and season may have different effects on the performance of specialist and generalist herbivores colonizing the same host plants. In this study, we analyzed concentrations of defensive secondary metabolites (aristolochic acids) and the nutritional value (C/N ratios) of 1st-, 2nd- and 3rd-year Aristolochia contorta in July (the middle of growing season) and September (the end of growing season). We further assessed their effects on the performances of the specialist herbivore Sericinus montela (Lepidoptera: Papilionidae) and the generalist herbivore Spodoptera exigua (Lepidoptera: Noctuidae). Leaves of 1st-year A. contorta contained significantly higher concentrations of aristolochic acids than those of older plants, with concentrations tending to decrease over the first-year season. Therefore, when first year leaves were fed in July, all larvae of S. exigua died and S. montela showed the lowest growth rate compared to older leaves fed in July. However, the nutritional quality of A. contorta leaves was lower in September than July irrespective of plant age, which was reflected in lower larval performance of both herbivores in September. These results suggest that A. contorta invests in the chemical defenses of leaves especially at a young age, while the low nutritional value of leaves seems to limit the performance of leaf-chewing herbivores at the end of the season, regardless of plant age.
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Affiliation(s)
- Se Jong Jeong
- Department of Biology Education, Seoul National University, Seoul, Republic of Korea
| | - Bo Eun Nam
- Department of Biology Education, Seoul National University, Seoul, Republic of Korea
- Research Institute of Basic Sciences, Seoul National University, Seoul, Republic of Korea
| | - Hyeon Jin Jeong
- Department of Biology Education, Seoul National University, Seoul, Republic of Korea
- The Korea National Arboretum, Pocheon, Republic of Korea
| | - Jae Yeon Jang
- Department of Biology Education, Seoul National University, Seoul, Republic of Korea
| | - Youngsung Joo
- Research Institute of Basic Sciences, Seoul National University, Seoul, Republic of Korea
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea
| | - Jae Geun Kim
- Department of Biology Education, Seoul National University, Seoul, Republic of Korea
- Center for Education Research, Seoul National University, Seoul, Republic of Korea
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27
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Khan M, Al Azzawi TNI, Ali S, Yun BW, Mun BG. Nitric Oxide, a Key Modulator in the Alleviation of Environmental Stress-Mediated Damage in Crop Plants: A Meta-Analysis. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12112121. [PMID: 37299100 DOI: 10.3390/plants12112121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023]
Abstract
Nitric oxide (NO) is a small, diatomic, gaseous, free radicle, lipophilic, diffusible, and highly reactive molecule with unique properties that make it a crucial signaling molecule with important physiological, biochemical, and molecular implications for plants under normal and stressful conditions. NO regulates plant growth and developmental processes, such as seed germination, root growth, shoot development, and flowering. It is also a signaling molecule in various plant growth processes, such as cell elongation, differentiation, and proliferation. NO also regulates the expression of genes encoding hormones and signaling molecules associated with plant development. Abiotic stresses induce NO production in plants, which can regulate various biological processes, such as stomatal closure, antioxidant defense, ion homeostasis, and the induction of stress-responsive genes. Moreover, NO can activate plant defense response mechanisms, such as the production of pathogenesis-related proteins, phytohormones, and metabolites against biotic and oxidative stressors. NO can also directly inhibit pathogen growth by damaging their DNA and proteins. Overall, NO exhibits diverse regulatory roles in plant growth, development, and defense responses through complex molecular mechanisms that still require further studies. Understanding NO's role in plant biology is essential for developing strategies for improved plant growth and stress tolerance in agriculture and environmental management.
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Affiliation(s)
- Murtaza Khan
- Department of Horticulture and Life Science, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | | | - Sajid Ali
- Department of Horticulture and Life Science, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Byung-Wook Yun
- Department of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Bong-Gyu Mun
- Department of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea
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28
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Sampedro-Guerrero J, Vives-Peris V, Gomez-Cadenas A, Clausell-Terol C. Efficient strategies for controlled release of nanoencapsulated phytohormones to improve plant stress tolerance. PLANT METHODS 2023; 19:47. [PMID: 37189192 PMCID: PMC10184380 DOI: 10.1186/s13007-023-01025-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 05/06/2023] [Indexed: 05/17/2023]
Abstract
Climate change due to different human activities is causing adverse environmental conditions and uncontrolled extreme weather events. These harsh conditions are directly affecting the crop areas, and consequently, their yield (both in quantity and quality) is often impaired. It is essential to seek new advanced technologies to allow plants to tolerate environmental stresses and maintain their normal growth and development. Treatments performed with exogenous phytohormones stand out because they mitigate the negative effects of stress and promote the growth rate of plants. However, the technical limitations in field application, the putative side effects, and the difficulty in determining the correct dose, limit their widespread use. Nanoencapsulated systems have attracted attention because they allow a controlled delivery of active compounds and for their protection with eco-friendly shell biomaterials. Encapsulation is in continuous evolution due to the development and improvement of new techniques economically affordable and environmentally friendly, as well as new biomaterials with high affinity to carry and coat bioactive compounds. Despite their potential as an efficient alternative to phytohormone treatments, encapsulation systems remain relatively unexplored to date. This review aims to emphasize the potential of phytohormone treatments as a means of enhancing plant stress tolerance, with a specific focus on the benefits that can be gained through the improved exogenous application of these treatments using encapsulation techniques. Moreover, the main encapsulation techniques, shell materials and recent work on plants treated with encapsulated phytohormones have been compiled.
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Affiliation(s)
- Jimmy Sampedro-Guerrero
- Departamento de Biología, Bioquímica y Ciencias Naturales, Universitat Jaume I, 12071, Castelló de la Plana, Castellón, Spain
| | - Vicente Vives-Peris
- Departamento de Biología, Bioquímica y Ciencias Naturales, Universitat Jaume I, 12071, Castelló de la Plana, Castellón, Spain
| | - Aurelio Gomez-Cadenas
- Departamento de Biología, Bioquímica y Ciencias Naturales, Universitat Jaume I, 12071, Castelló de la Plana, Castellón, Spain.
| | - Carolina Clausell-Terol
- Departamento de Ingeniería Química, Instituto Universitario de Tecnología Cerámica, Universitat Jaume I, 12071, Castelló de la Plana, Castellón, Spain.
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Nawaz A, Rehman HU, Usman M, Wakeel A, Shahid MS, Alam S, Sanaullah M, Atiq M, Farooq M. Nanobiotechnology in crop stress management: an overview of novel applications. DISCOVER NANO 2023; 18:74. [PMID: 37382723 PMCID: PMC10214921 DOI: 10.1186/s11671-023-03845-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 04/05/2023] [Indexed: 06/30/2023]
Abstract
Agricultural crops are subject to a variety of biotic and abiotic stresses that adversely affect growth and reduce the yield of crop plantss. Traditional crop stress management approaches are not capable of fulfilling the food demand of the human population which is projected to reach 10 billion by 2050. Nanobiotechnology is the application of nanotechnology in biological fields and has emerged as a sustainable approach to enhancing agricultural productivity by alleviating various plant stresses. This article reviews innovations in nanobiotechnology and its role in promoting plant growth and enhancing plant resistance/tolerance against biotic and abiotic stresses and the underlying mechanisms. Nanoparticles, synthesized through various approaches (physical, chemical and biological), induce plant resistance against these stresses by strengthening the physical barriers, improving plant photosynthesis and activating plant defense mechanisms. The nanoparticles can also upregulate the expression of stress-related genes by increasing anti-stress compounds and activating the expression of defense-related genes. The unique physico-chemical characteristics of nanoparticles enhance biochemical activity and effectiveness to cause diverse impacts on plants. Molecular mechanisms of nanobiotechnology-induced tolerance to abiotic and biotic stresses have also been highlighted. Further research is needed on efficient synthesis methods, optimization of nanoparticle dosages, application techniques and integration with other technologies, and a better understanding of their fate in agricultural systems.
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Affiliation(s)
- Ahmad Nawaz
- Department of Entomology, University of Agriculture, Faisalabad, 38040, Pakistan.
| | - Hafeez Ur Rehman
- Department of Agronomy, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Muhammad Usman
- PEIE Research Chair for the Development of Industrial Estates and Free Zones, Center for Environmental Studies and Research, Sultan Qaboos University, Al-Khoud 123, Muscat, Oman
| | - Abdul Wakeel
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Muhammad Shafiq Shahid
- Department of Plant Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, Al-Khoud 123, Muscat, Oman
| | - Sardar Alam
- Department of Agronomy, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Muhammad Sanaullah
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Muhammad Atiq
- Department of Plant Pathology, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Muhammad Farooq
- Department of Plant Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, Al-Khoud 123, Muscat, Oman.
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Singh DP, Bisen MS, Prabha R, Maurya S, Yerasu SR, Shukla R, Tiwari JK, Chaturvedi KK, Farooqi MS, Srivastava S, Rai A, Sarma BK, Rai N, Singh PM, Behera TK, Farag MA. Untargeted Metabolomics of Alternaria solani-Challenged Wild Tomato Species Solanum cheesmaniae Revealed Key Metabolite Biomarkers and Insight into Altered Metabolic Pathways. Metabolites 2023; 13:metabo13050585. [PMID: 37233626 DOI: 10.3390/metabo13050585] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 05/27/2023] Open
Abstract
Untargeted metabolomics of moderately resistant wild tomato species Solanum cheesmaniae revealed an altered metabolite profile in plant leaves in response to Alternaria solani pathogen. Leaf metabolites were significantly differentiated in non-stressed versus stressed plants. The samples were discriminated not only by the presence/absence of specific metabolites as distinguished markers of infection, but also on the basis of their relative abundance as important concluding factors. Annotation of metabolite features using the Arabidopsis thaliana (KEGG) database revealed 3371 compounds with KEGG identifiers belonging to biosynthetic pathways including secondary metabolites, cofactors, steroids, brassinosteroids, terpernoids, and fatty acids. Annotation using the Solanum lycopersicum database in PLANTCYC PMN revealed significantly upregulated (541) and downregulated (485) features distributed in metabolite classes that appeared to play a crucial role in defense, infection prevention, signaling, plant growth, and plant homeostasis to survive under stress conditions. The orthogonal partial least squares discriminant analysis (OPLS-DA), comprising a significant fold change (≥2.0) with VIP score (≥1.0), showed 34 upregulated biomarker metabolites including 5-phosphoribosylamine, kaur-16-en-18-oic acid, pantothenate, and O-acetyl-L-homoserine, along with 41 downregulated biomarkers. Downregulated metabolite biomarkers were mapped with pathways specifically known for plant defense, suggesting their prominent role in pathogen resistance. These results hold promise for identifying key biomarker metabolites that contribute to disease resistive metabolic traits/biosynthetic routes. This approach can assist in mQTL development for the stress breeding program in tomato against pathogen interactions.
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Affiliation(s)
| | | | - Ratna Prabha
- ICAR-Indian Agricultural Statistics Research Institute, Library Avenue, New Delhi 110012, India
| | - Sudarshan Maurya
- ICAR-Indian Institute of Vegetable Research, Varanasi 221305, 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 110012, India
| | - Sudhir Srivastava
- ICAR-Indian Agricultural Statistics Research Institute, Library Avenue, New Delhi 110012, India
| | - Anil Rai
- ICAR-Indian Agricultural Statistics Research Institute, Library Avenue, 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
| | | | | | - Mohamed A Farag
- Pharmacognosy Department, College of Pharmacy, Cairo University, Cairo 11562, Egypt
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Kajla M, Roy A, Singh IK, Singh A. Regulation of the regulators: Transcription factors controlling biosynthesis of plant secondary metabolites during biotic stresses and their regulation by miRNAs. FRONTIERS IN PLANT SCIENCE 2023; 14:1126567. [PMID: 36938003 PMCID: PMC10017880 DOI: 10.3389/fpls.2023.1126567] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
Biotic stresses threaten to destabilize global food security and cause major losses to crop yield worldwide. In response to pest and pathogen attacks, plants trigger many adaptive cellular, morphological, physiological, and metabolic changes. One of the crucial stress-induced adaptive responses is the synthesis and accumulation of plant secondary metabolites (PSMs). PSMs mitigate the adverse effects of stress by maintaining the normal physiological and metabolic functioning of the plants, thereby providing stress tolerance. This differential production of PSMs is tightly orchestrated by master regulatory elements, Transcription factors (TFs) express differentially or undergo transcriptional and translational modifications during stress conditions and influence the production of PSMs. Amongst others, microRNAs, a class of small, non-coding RNA molecules that regulate gene expression post-transcriptionally, also play a vital role in controlling the expression of many such TFs. The present review summarizes the role of stress-inducible TFs in synthesizing and accumulating secondary metabolites and also highlights how miRNAs fine-tune the differential expression of various stress-responsive transcription factors during biotic stress.
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Affiliation(s)
- Mohini Kajla
- Department of Botany, Hansraj College, University of Delhi, Delhi, India
| | - Amit Roy
- Excellent Team for Mitigation (ETM), Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Prague, Czechia
| | - Indrakant K. Singh
- Department of Zoology, Deshbandhu College, University of Delhi, New Delhi, India
| | - Archana Singh
- Department of Botany, Hansraj College, University of Delhi, Delhi, India
- Jagdish Chandra Bose Center for Plant Genomics, Hansraj College, University of Delhi, Delhi, India
- Delhi School of Climate Change and Sustainability, Institution of Eminence, Maharishi Karnad Bhawan, University of Delhi, Delhi, India
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Kumar V, Chaudhary P, Prasad A, Dogra V, Kumar A. Jasmonic acid limits Rhizoctonia solani AG1-IA infection in rice by modulating reactive oxygen species homeostasis. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 196:520-530. [PMID: 36764267 DOI: 10.1016/j.plaphy.2023.02.009] [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: 11/09/2022] [Revised: 01/27/2023] [Accepted: 02/04/2023] [Indexed: 06/18/2023]
Abstract
Sheath blight disease of rice caused by a soil-borne fungal pathogen Rhizoctonia solani AG1-IA is one of the major threats to rice production globally. During host-pathogen interactions, reactive oxygen species (ROS) play an important role in pathogen virulence and plant defense. For example, necrotrophic pathogens induce ROS production to damage host cells, whereas the host can incite ROS to kill the pathogen. From the host perspective, it is essential to understand how the antioxidant machinery maintains a delicate balance of ROS to protect itself from its lethal effects. Here, we investigated the pathogen-induced accumulation of ROS and implicated damage in two rice genotypes (PR114, susceptible; ShB, moderately tolerant) varying in the level of susceptibility to R. solani AG1-IA. Compared to PR114, ShB exhibited a better antioxidant response and reasonably lesser oxidative damage. Further, we observed elevated levels of jasmonic acid (JA) in ShB, which was otherwise decreased in PR114 in response to pathogen infection. As depicted, an elevated level of JA was in agreement with the expression profiles of genes involved in its biosynthesis and signaling. To further ascertain if the heightened antioxidant response is JA-dependent or independent, methyl jasmonate (MeJA) was exogenously applied to PR114, and antioxidant response in terms of gene expression, enzyme activities, and oxidative damage was studied in R. solani infected samples. Surprisingly, the exogenous application of MeJA complemented the antioxidant response and reduced oxidative damage in PR114, thus suggesting that the antioxidant defense system is under transcriptional control of JA.
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Affiliation(s)
- Vinod Kumar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, 176061, Himachal Pradesh, India
| | - Pratibha Chaudhary
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, 176061, Himachal Pradesh, India; Academy of Scientific and Innovative Research, Ghaziabad, 201002, Uttar Pradesh, India
| | - Apoorva Prasad
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, 176061, Himachal Pradesh, India; Academy of Scientific and Innovative Research, Ghaziabad, 201002, Uttar Pradesh, India
| | - Vivek Dogra
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, 176061, Himachal Pradesh, India; Academy of Scientific and Innovative Research, Ghaziabad, 201002, Uttar Pradesh, India
| | - Arun Kumar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, 176061, Himachal Pradesh, India; Academy of Scientific and Innovative Research, Ghaziabad, 201002, Uttar Pradesh, India.
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Examination of Different Sporidium Numbers of Ustilago maydis Infection on Two Hungarian Sweet Corn Hybrids' Characteristics at Vegetative and Generative Stages. Life (Basel) 2023; 13:life13020433. [PMID: 36836790 PMCID: PMC9967947 DOI: 10.3390/life13020433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 01/30/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
Corn smut is one of the major diseases in corn production. The cob infection causes high economic and quality loss. This research investigated the effects of three different concentrations of corn smut infection (2500, 5000, and 10,000 sporidia/mL) on two Hungarian sweet corn hybrids (Desszert 73 and Noa). Plants were infected at the vegetative (V4-V5) and the generative (V7) stages. The effects of the corn smut infection were evaluated at 7 and 14 days after the pathogen infection (DAPI) at vegetative and at 21 DAPI at generative stages. The photosynthetic pigments (relative chlorophyll, chlorophyll-a and b, and carotenoids), malondialdehyde (MDA), and proline concentration, activities of the antioxidant enzymes [ascorbate peroxidase (APX), guaiacol peroxidase (POX), and superoxide dismutase (SOD)], morphological characteristics (plant height, stem and cob diameter, cob length, cob and kernel weights), mineral contents (Al, B, Ca, Cr, Cu, Fe, K, Mg, Mn, Na, P, Pb, S, Sr, and Zn), and quality parameters (dry matter, fiber, fat, ash, nitrogen, and protein) were measured. At both sampling times (7 and 14 DAPI) in both hybrids, the corn smut infection reduced the photosynthetic pigments (relative chlorophyll, chlorophylls-a, and b, and carotenoids) irrespective of the spore concentration. Under the same conditions, the MDA and proline contents, as well as the activities of APX, POX, and SOD increased at both sampling times. The negative effects of the corn smut infection were also observed at the generative stage. Only the 10,000 sporidia/mL of corn smut caused symptoms (tumor growth) on the cobs of both hybrids at 21 DAPI. Similarly, this treatment impacted adversely the cob characteristics (reduced cob length, kernel weight, and 100 grains fresh and dry weight) for both hybrids. In addition, crude fat and protein content, Mg, and Mn concentration of grains also decreased in both hybrids while the concentration of Al and Ca increased. Based on these results, the sweet corn hybrids were more susceptible to corn smut at the vegetative stage than at the generative stage.
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Lend Me Your EARs: A Systematic Review of the Broad Functions of EAR Motif-Containing Transcriptional Repressors in Plants. Genes (Basel) 2023; 14:genes14020270. [PMID: 36833197 PMCID: PMC9956375 DOI: 10.3390/genes14020270] [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: 11/20/2022] [Revised: 12/22/2022] [Accepted: 01/17/2023] [Indexed: 01/22/2023] Open
Abstract
The ethylene-responsive element binding factor-associated amphiphilic repression (EAR) motif, defined by the consensus sequence patterns LxLxL or DLNx(x)P, is found in a diverse range of plant species. It is the most predominant form of active transcriptional repression motif identified so far in plants. Despite its small size (5 to 6 amino acids), the EAR motif is primarily involved in the negative regulation of developmental, physiological and metabolic functions in response to abiotic and biotic stresses. Through an extensive literature review, we identified 119 genes belonging to 23 different plant species that contain an EAR motif and function as negative regulators of gene expression in various biological processes, including plant growth and morphology, metabolism and homeostasis, abiotic stress response, biotic stress response, hormonal pathways and signalling, fertility, and ripening. Positive gene regulation and transcriptional activation are studied extensively, but there remains much more to be discovered about negative gene regulation and the role it plays in plant development, health, and reproduction. This review aims to fill the knowledge gap and provide insights into the role that the EAR motif plays in negative gene regulation, and provoke further research on other protein motifs specific to repressors.
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Roy S, Agarwal T, Das A, Halder T, Upadhyaya G, Chaubey B, Ray S. The C-terminal stretch of glycine-rich proline-rich protein (SbGPRP1) from Sorghum bicolor serves as an antimicrobial peptide by targeting the bacterial outer membrane protein. PLANT MOLECULAR BIOLOGY 2023; 111:131-151. [PMID: 36271987 DOI: 10.1007/s11103-022-01317-1] [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: 04/10/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
The C-terminal stretch in SbGPRP1 (Sorghum glycine-rich proline-rich protein) acts as an antimicrobial peptide in the host innate defense mechanism. Cationic antimicrobial proteins or peptides can either bind to the bacterial membrane or target a specific protein on the bacterial membrane thus leading to membrane perturbation. The 197 amino acid polypeptide of SbGPRP1 showed disordered structure at the N-terminal end and ordered conformation at the C-terminal end. In the present study, the expression of N-SbGPRP1, C-SbGPRP1, and ∆SbGPRP1 followed by antimicrobial assays showed potential antimicrobial property of the C-terminal peptide against gram-positive bacteria Bacillus subtilis and phytopathogen Rhodococcus fascians. The SbGPRP1 protein loses its antimicrobial property when the 23 amino acid sequence (GHGGHGVFGGGYGHGGYGHGYGG) from position 136 to 158 is deleted from the protein. Thus, it can be concluded that the 23 amino acid sequence is vital for the said antimicrobial property. NPN assay, SEM analysis, and electrolyte leakage assays showed potent antimicrobial activity for C-SbGPRP1. Overexpression of the C-SbGPRP1 mutant protein in tobacco followed by infection with Rhodococcus fascians inhibited bacterial growth as shown by SEM analysis. To determine if C-SbGPRP1 might target any protein on the bacterial membrane we isolated the bacterial membrane protein from both Bacillus subtilis and Rhodococcus fascians. Bacterial membrane protein that interacted with the column-bound C-SbGPRP1 was eluted and subjected to LC-MS/MS. LC-MS/MS data analysis showed peptide hit with membrane protein YszA from Bacillus subtilis and a membrane protein from Rhodococcus fascians. Isolated bacterial membrane protein from Bacillus subtilis or Rhodococcus fascians was able to reduce the antimicrobial activity of C-SbGPRP1. Furthermore, BiFC experiments showed interactions between C-SbGPRP1 and YszA protein from Bacillus subtilis leading to the conclusion that bacterial membrane protein was targeted in such membrane perturbation leading to antimicrobial activity.
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Affiliation(s)
- Shuddhanjali Roy
- Plant Functional Genomics Laboratory, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India
| | - Tanushree Agarwal
- Plant Functional Genomics Laboratory, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India
| | - Arup Das
- Plant Functional Genomics Laboratory, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India
| | - Tanmoy Halder
- Plant Functional Genomics Laboratory, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India
| | - Gouranga Upadhyaya
- Plant Functional Genomics Laboratory, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India
| | - Binay Chaubey
- Functional Genomics Laboratory, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India
| | - Sudipta Ray
- Plant Functional Genomics Laboratory, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India.
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Hussain K, Jaweed TH, Kamble AC. Modulation of phenylpropanoid and lignin biosynthetic pathway is crucial for conferring resistance in pigeon pea against Fusarium wilt. Gene 2023; 851:146994. [DOI: 10.1016/j.gene.2022.146994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 09/18/2022] [Accepted: 10/14/2022] [Indexed: 11/07/2022]
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Sampedro-Guerrero J, Vives-Peris V, Gomez-Cadenas A, Clausell-Terol C. Encapsulation Reduces the Deleterious Effects of Salicylic Acid Treatments on Root Growth and Gravitropic Response. Int J Mol Sci 2022; 23:ijms232214019. [PMID: 36430498 PMCID: PMC9696185 DOI: 10.3390/ijms232214019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/06/2022] [Accepted: 11/11/2022] [Indexed: 11/16/2022] Open
Abstract
The role of salicylic acid (SA) on plant responses to biotic and abiotic stresses is well documented. However, the mechanism by which exogenous SA protects plants and its interactions with other phytohormones remains elusive. SA effect, both free and encapsulated (using silica and chitosan capsules), on Arabidopsis thaliana development was studied. The effect of SA on roots and rosettes was analysed, determining plant morphological characteristics and hormone endogenous levels. Free SA treatment affected length, growth rate, gravitropic response of roots and rosette size in a dose-dependent manner. This damage was due to the increase of root endogenous SA concentration that led to a reduction in auxin levels. The encapsulation process reduced the deleterious effects of free SA on root and rosette growth and in the gravitropic response. Encapsulation allowed for a controlled release of the SA, reducing the amount of hormone available and the uptake by the plant, mitigating the deleterious effects of the free SA treatment. Although both capsules are suitable as SA carrier matrices, slightly better results were found with chitosan. Encapsulation appears as an attractive technology to deliver phytohormones when crops are cultivated under adverse conditions. Moreover, it can be a good tool to perform basic experiments on phytohormone interactions.
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Affiliation(s)
- Jimmy Sampedro-Guerrero
- Departamento de Biología, Bioquímica y Ciencias Naturales, Universitat Jaume I, 12071 Castellón de la Plana, Spain
| | - Vicente Vives-Peris
- Departamento de Biología, Bioquímica y Ciencias Naturales, Universitat Jaume I, 12071 Castellón de la Plana, Spain
| | - Aurelio Gomez-Cadenas
- Departamento de Biología, Bioquímica y Ciencias Naturales, Universitat Jaume I, 12071 Castellón de la Plana, Spain
- Correspondence: (A.G.-C.); (C.C.-T.)
| | - Carolina Clausell-Terol
- Departamento de Ingeniería Química, Instituto Universitario de Tecnología Cerámica, Universitat Jaume I, 12071 Castellón de la Plana, Spain
- Correspondence: (A.G.-C.); (C.C.-T.)
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Guo H, Sun X, Wang B, Wu D, Sun H, Wang Y. The upstream regulatory mechanism of BplMYB46 and the function of upstream regulatory factors that mediate resistance to stress in Betula platyphylla. FRONTIERS IN PLANT SCIENCE 2022; 13:1030459. [PMID: 36388548 PMCID: PMC9640943 DOI: 10.3389/fpls.2022.1030459] [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: 08/29/2022] [Accepted: 10/11/2022] [Indexed: 06/16/2023]
Abstract
Previously, we have shown that the transcription factor BplMYB46 in Betula platyphylla can enhance tolerance to salt and osmotic stress and promote secondary cell wall deposition, and we characterized its downstream regulatory mechanism. However, its upstream regulatory mechanism remains unclear. Here, the promoter activity and upstream regulatory factors of BplMYB46 were studied. Analyses of β-glucuronidase (GUS) staining and activity indicated that BplMYB46 promoter was specific temporal and spatial expression, and its expression can be induced by salt and osmotic stress. We identified three upstream regulatory factors of BplMYB46: BpDof1, BpWRKY3, and BpbZIP3. Yeast-one hybrid assays, GUS activity, chromatin immunoprecipitation, and quantitative real-time polymerase chain reaction revealed that BpDof1, BpWRKY3, and BpbZIP3 can directly regulate the expression of BplMYB46 by specifically binding to Dof, W-box, and ABRE elements in the BplMYB46 promoter, respectively. BpDof1, BpWRKY3, and BpbZIP3 were all localized to the nucleus, and their expressions can be induced by stress. Overexpression of BpDof1, BpWRKY3, and BpbZIP3 conferred the resistance of transgenic birch plants to salt and osmotic stress. Our findings provide new insights into the upstream regulatory mechanism of BplMYB46 and reveal new upstream regulatory genes that mediate resistance to adverse environments. The genes identified in our study provide novel targets for the breeding of forest tree species.
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Affiliation(s)
- Huiyan Guo
- College of Forestry, Shenyang Agricultural University, Shenyang, Liaoning, China
- The Key Laboratory of Forest Tree Genetics, Breeding and Cultivation of Liaoning Province, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Xiaomeng Sun
- College of Forestry, Shenyang Agricultural University, Shenyang, Liaoning, China
- The Key Laboratory of Forest Tree Genetics, Breeding and Cultivation of Liaoning Province, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Bo Wang
- College of Forestry, Shenyang Agricultural University, Shenyang, Liaoning, China
- The Key Laboratory of Forest Tree Genetics, Breeding and Cultivation of Liaoning Province, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Di Wu
- College of Forestry, Shenyang Agricultural University, Shenyang, Liaoning, China
- The Key Laboratory of Forest Tree Genetics, Breeding and Cultivation of Liaoning Province, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Hu Sun
- College of Forestry, Shenyang Agricultural University, Shenyang, Liaoning, China
- The Key Laboratory of Forest Tree Genetics, Breeding and Cultivation of Liaoning Province, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Yucheng Wang
- College of Forestry, Shenyang Agricultural University, Shenyang, Liaoning, China
- The Key Laboratory of Forest Tree Genetics, Breeding and Cultivation of Liaoning Province, Shenyang Agricultural University, Shenyang, Liaoning, China
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Younessi-Hamzekhanlu M, Gailing O. Genome-Wide SNP Markers Accelerate Perennial Forest Tree Breeding Rate for Disease Resistance through Marker-Assisted and Genome-Wide Selection. Int J Mol Sci 2022; 23:ijms232012315. [PMID: 36293169 PMCID: PMC9604372 DOI: 10.3390/ijms232012315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/05/2022] [Accepted: 10/07/2022] [Indexed: 11/30/2022] Open
Abstract
The ecological and economic importance of forest trees is evident and their survival is necessary to provide the raw materials needed for wood and paper industries, to preserve the diversity of associated animal and plant species, to protect water and soil, and to regulate climate. Forest trees are threatened by anthropogenic factors and biotic and abiotic stresses. Various diseases, including those caused by fungal pathogens, are one of the main threats to forest trees that lead to their dieback. Genomics and transcriptomics studies using next-generation sequencing (NGS) methods can help reveal the architecture of resistance to various diseases and exploit natural genetic diversity to select elite genotypes with high resistance to diseases. In the last two decades, QTL mapping studies led to the identification of QTLs related to disease resistance traits and gene families and transcription factors involved in them, including NB-LRR, WRKY, bZIP and MYB. On the other hand, due to the limitation of recombination events in traditional QTL mapping in families derived from bi-parental crosses, genome-wide association studies (GWAS) that are based on linkage disequilibrium (LD) in unstructured populations overcame these limitations and were able to narrow down QTLs to single genes through genotyping of many individuals using high-throughput markers. Association and QTL mapping studies, by identifying markers closely linked to the target trait, are the prerequisite for marker-assisted selection (MAS) and reduce the breeding period in perennial forest trees. The genomic selection (GS) method uses the information on all markers across the whole genome, regardless of their significance for development of a predictive model for the performance of individuals in relation to a specific trait. GS studies also increase gain per unit of time and dramatically increase the speed of breeding programs. This review article is focused on the progress achieved in the field of dissecting forest tree disease resistance architecture through GWAS and QTL mapping studies. Finally, the merit of methods such as GS in accelerating forest tree breeding programs is also discussed.
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Affiliation(s)
- Mehdi Younessi-Hamzekhanlu
- Department of Forestry and Medicinal Plants, Ahar Faculty of Agriculture and Natural Resources, University of Tabriz, 29 Bahman Blvd., Tabriz P.O. Box 5166616471, Iran
- Correspondence: (M.Y.-H.); (O.G.)
| | - Oliver Gailing
- Department of Forest Genetics and Forest Tree Breeding, University of Göttingen, Büsgenweg 2, D-37077 Göttingen, Germany
- Correspondence: (M.Y.-H.); (O.G.)
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40
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Zhou H, Hua J, Zhang J, Luo S. Negative Interactions Balance Growth and Defense in Plants Confronted with Herbivores or Pathogens. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:12723-12732. [PMID: 36165611 DOI: 10.1021/acs.jafc.2c04218] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Plants have evolved a series of defensive mechanisms against pathogens and herbivores, but the defense response always leads to decreases in growth or reproduction, which has serious implications for agricultural production. Growth and defense are negatively regulated not only through metabolic consumption but also through the antagonism of different phytohormones, such as jasmonic acid (JA) and salicylic acid (SA). Meanwhile, plants can limit the expression of defensive metabolites to reduce the costs of defense by producing constitutive defenses such as glandular trichomes or latex and accumulating specific metabolites, determining the activation of plant defense or the maintenance of plant growth. Interestingly, plant defense pathways might be prepared in advance which may be transmitted to descendants. Plants can also use external organisms to protect themselves, thus minimizing the costs of defense. In addition, plant relatives exhibit cooperation to deal with pathogens and herbivores, which is also a way to regulate growth and defense.
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Affiliation(s)
- Huiwen Zhou
- Key Laboratory of Biological Invasions and Global Changes, College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, Liaoning Province, China
| | - Juan Hua
- Key Laboratory of Biological Invasions and Global Changes, College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, Liaoning Province, China
| | - Jiaming Zhang
- Key Laboratory of Biological Invasions and Global Changes, College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, Liaoning Province, China
| | - Shihong Luo
- Key Laboratory of Biological Invasions and Global Changes, College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, Liaoning Province, China
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Chen L, Song B, Yu C, Zhang J, Zhang J, Bi R, Li X, Ren X, Zhu Y, Yao D, Song Y, Yang S, Zhao R. Identifying Soybean Pod Borer ( Leguminivora glycinivorella) Resistance QTLs and the Mechanism of Induced Defense Using Linkage Mapping and RNA-Seq Analysis. Int J Mol Sci 2022; 23:ijms231810910. [PMID: 36142822 PMCID: PMC9504297 DOI: 10.3390/ijms231810910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/09/2022] [Accepted: 09/14/2022] [Indexed: 11/16/2022] Open
Abstract
The soybean pod borer (Leguminivora glycinivorella) (SPB) is a major cause of soybean (Glycine max L.) yield losses in northeast Asia, thus it is desirable to elucidate the resistance mechanisms involved in soybean response to the SPB. However, few studies have mapped SPB-resistant quantitative trait loci (QTLs) and deciphered the response mechanism in soybean. Here, we selected two soybean varieties, JY93 (SPB-resistant) and K6 (SPB-sensitive), to construct F2 and F2:3 populations for QTL mapping and collected pod shells before and after SPB larvae chewed on the two parents to perform RNA-Seq, which can identify stable QTLs and explore the response mechanism of soybean to the SPB. The results show that four QTLs underlying SPB damage to seeds were detected on chromosomes 4, 9, 13, and 15. Among them, qESP-9-1 was scanned in all environments, hence it can be considered a stable QTL. All QTLs explained 0.79 to 6.09% of the phenotypic variation. Meanwhile, 2298 and 3509 DEGs were identified for JY93 and K6, respectively, after the SPB attack, and most of these genes were upregulated. Gene Ontology enrichment results indicated that the SPB-induced and differently expressed genes in both parents are involved in biological processes such as wound response, signal transduction, immune response, and phytohormone pathways. Interestingly, secondary metabolic processes such as flavonoid synthesis were only significantly enriched in the upregulated genes of JY93 after SPB chewing compared with K6. Finally, we identified 18 candidate genes related to soybean pod borer resistance through the integration of QTL mapping and RNA-Seq analysis. Seven of these genes had similar expression patterns to the mapping parents in four additional soybean germplasm after feeding by the SPB. These results provide additional knowledge of the early response and induced defense mechanisms against the SPB in soybean, which could help in breeding SPB-resistant soybean accessions.
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Affiliation(s)
- Liangyu Chen
- Faculty of Agronomy, Jilin Agricultural University, Changchun 130118, China
| | - Baixing Song
- Faculty of Agronomy, Jilin Agricultural University, Changchun 130118, China
| | - Cheng Yu
- Faculty of Agronomy, Jilin Agricultural University, Changchun 130118, China
| | - Jun Zhang
- Faculty of Agronomy, Jilin Agricultural University, Changchun 130118, China
- National Crop Variety Approval and Characteristic Identification Station, Jilin Agricultural University, Changchun 130118, China
| | - Jian Zhang
- Faculty of Agronomy, Jilin Agricultural University, Changchun 130118, China
- Department Biology, University of British Columbia-Okanagan, Kelowna, BC V1V 1V7, Canada
| | - Rui Bi
- College of Plant Protection, Jilin Agricultural University, Changchun 130118, China
| | - Xueying Li
- Faculty of Agronomy, Jilin Agricultural University, Changchun 130118, China
| | - Xiaobo Ren
- Faculty of Agronomy, Jilin Agricultural University, Changchun 130118, China
| | - Yanyu Zhu
- Faculty of Agronomy, Jilin Agricultural University, Changchun 130118, China
| | - Dan Yao
- College of Life Science, Jilin Agricultural University, Changchun 130118, China
| | - Yang Song
- Faculty of Agronomy, Jilin Agricultural University, Changchun 130118, China
| | - Songnan Yang
- Faculty of Agronomy, Jilin Agricultural University, Changchun 130118, China
- Correspondence: (S.Y.); (R.Z.)
| | - Rengui Zhao
- Faculty of Agronomy, Jilin Agricultural University, Changchun 130118, China
- Correspondence: (S.Y.); (R.Z.)
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Azevedo V, Daddiego L, Cardone MF, Perrella G, Sousa L, Santos RB, Malhó R, Bergamini C, Marsico AD, Figueiredo A, Alagna F. Transcriptomic and methylation analysis of susceptible and tolerant grapevine genotypes following Plasmopara viticola infection. PHYSIOLOGIA PLANTARUM 2022; 174:e13771. [PMID: 36053855 PMCID: PMC9826190 DOI: 10.1111/ppl.13771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 08/05/2022] [Accepted: 08/29/2022] [Indexed: 06/15/2023]
Abstract
Downy mildew, caused by the biotrophic oomycete Plasmopara viticola, is one of the most economically significant grapevine diseases worldwide. Current strategies to cope with this threat rely on the massive use of chemical compounds during each cultivation season. The economic costs and negative environmental impact associated with these applications increased the urge to search for sustainable strategies of disease control. Improved knowledge of plant mechanisms to counteract pathogen infection may allow the development of alternative strategies for plant protection. Epigenetic regulation, in particular DNA methylation, is emerging as a key factor in the context of plant-pathogen interactions associated with the expression modulation of defence genes. To improve our understanding of the genetic and epigenetic mechanisms underpinning grapevine response to P. viticola, we studied the modulation of both 5-mC methylation and gene expression at 6 and 24 h post-infection (hpi). Leaves of two table grape genotypes (Vitis vinifera), selected by breeding activities for their contrasting level of susceptibility to the pathogen, were analysed. Following pathogen infection, we found variations in the 5-mC methylation level and the gene expression profile. The results indicate a genotype-specific response to pathogen infection. The tolerant genotype (N23/018) at 6 hpi exhibits a lower methylation level compared to the susceptible one (N20/020), and it shows an early modulation (at 6 hpi) of defence and epigenetic-related genes during P. viticola infection. These data suggest that the timing of response is an important mechanism to efficiently counteract the pathogen attack.
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Affiliation(s)
- Vanessa Azevedo
- Faculdade de Ciências, Plant Biology Department, Biosystems & Integrative Sciences Institute (BioISI)Universidade de LisboaLisbonPortugal
| | - Loretta Daddiego
- Energy Technologies and Renewable Sources DepartmentNational Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Trisaia Research CentreRotondellaMateraItaly
| | - Maria Francesca Cardone
- Research Centre for Viticulture and EnologyCouncil for Agricultural Research and Economics (CREA)TuriBariItaly
| | | | - Lisete Sousa
- Department of Statistics and Operations Research, Faculdade de Ciências; Centre of Statistics and its Applications (CEAUL)Universidade de LisboaLisbonPortugal
| | - Rita B. Santos
- Faculdade de Ciências, Plant Biology Department, Biosystems & Integrative Sciences Institute (BioISI)Universidade de LisboaLisbonPortugal
| | - Rui Malhó
- Faculdade de Ciências, Plant Biology Department, Biosystems & Integrative Sciences Institute (BioISI)Universidade de LisboaLisbonPortugal
| | - Carlo Bergamini
- Research Centre for Viticulture and EnologyCouncil for Agricultural Research and Economics (CREA)TuriBariItaly
| | - Antonio Domenico Marsico
- Research Centre for Viticulture and EnologyCouncil for Agricultural Research and Economics (CREA)TuriBariItaly
| | - Andreia Figueiredo
- Faculdade de Ciências, Plant Biology Department, Biosystems & Integrative Sciences Institute (BioISI)Universidade de LisboaLisbonPortugal
| | - Fiammetta Alagna
- Energy Technologies and Renewable Sources DepartmentNational Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Trisaia Research CentreRotondellaMateraItaly
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Chaudhary P, Singh S, Chaudhary A, Sharma A, Kumar G. Overview of biofertilizers in crop production and stress management for sustainable agriculture. FRONTIERS IN PLANT SCIENCE 2022; 13:930340. [PMID: 36082294 PMCID: PMC9445558 DOI: 10.3389/fpls.2022.930340] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 07/21/2022] [Indexed: 05/09/2023]
Abstract
With the increase in world population, the demography of humans is estimated to be exceeded and it has become a major challenge to provide an adequate amount of food, feed, and agricultural products majorly in developing countries. The use of chemical fertilizers causes the plant to grow efficiently and rapidly to meet the food demand. The drawbacks of using a higher quantity of chemical or synthetic fertilizers are environmental pollution, persistent changes in the soil ecology, physiochemical composition, decreasing agricultural productivity and cause several health hazards. Climatic factors are responsible for enhancing abiotic stress on crops, resulting in reduced agricultural productivity. There are various types of abiotic and biotic stress factors like soil salinity, drought, wind, improper temperature, heavy metals, waterlogging, and different weeds and phytopathogens like bacteria, viruses, fungi, and nematodes which attack plants, reducing crop productivity and quality. There is a shift toward the use of biofertilizers due to all these facts, which provide nutrition through natural processes like zinc, potassium and phosphorus solubilization, nitrogen fixation, production of hormones, siderophore, various hydrolytic enzymes and protect the plant from different plant pathogens and stress conditions. They provide the nutrition in adequate amount that is sufficient for healthy crop development to fulfill the demand of the increasing population worldwide, eco-friendly and economically convenient. This review will focus on biofertilizers and their mechanisms of action, role in crop productivity and in biotic/abiotic stress tolerance.
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Affiliation(s)
- Parul Chaudhary
- Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, India
| | - Shivani Singh
- Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, India
| | - Anuj Chaudhary
- School of Agriculture and Environmental Science, Shobhit University, Gangoh, India
| | - Anita Sharma
- Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, India
| | - Govind Kumar
- Department of Crop Production, Central Institute for Subtropical Horticulture, Lucknow, India
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Samaradivakara SP, Chen H, Lu Y, Li P, Kim Y, Tsuda K, Mine A, Day B. Overexpression of NDR1 leads to pathogen resistance at elevated temperatures. THE NEW PHYTOLOGIST 2022; 235:1146-1162. [PMID: 35488494 PMCID: PMC9321970 DOI: 10.1111/nph.18190] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 04/19/2022] [Indexed: 05/19/2023]
Abstract
Abiotic and biotic environments influence a myriad of plant-related processes, including growth, development, and the establishment and maintenance of interaction(s) with microbes. In the case of the latter, elevated temperature has been shown to be a key factor that underpins host resistance and pathogen virulence. In this study, we elucidate a role for Arabidopsis NON-RACE-SPECIFIC DISEASE RESISTANCE1 (NDR1) by exploiting effector-triggered immunity to define the regulation of plant host immunity in response to both pathogen infection and elevated temperature. We generated time-series RNA sequencing data of WT Col-0, an NDR1 overexpression line, and ndr1 and ics1-2 mutant plants under elevated temperature. Not surprisingly, the NDR1-overexpression line showed genotype-specific gene expression changes related to defense response and immune system function. The results described herein support a role for NDR1 in maintaining cell signaling during simultaneous exposure to elevated temperature and avirulent pathogen stressors.
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Affiliation(s)
- Saroopa P. Samaradivakara
- Department of Plant, Soil and Microbial SciencesMichigan State UniversityEast LansingMI48824USA
- Plant Resilience InstituteMichigan State UniversityEast LansingMI48824USA
| | - Huan Chen
- Graduate Program in Genetics and Genome SciencesMichigan State UniversityEast LansingMI48824USA
- Graduate Program in Molecular Plant SciencesMichigan State UniversityEast LansingMI48824USA
| | - Yi‐Ju Lu
- Department of Plant, Soil and Microbial SciencesMichigan State UniversityEast LansingMI48824USA
- Institute of BiochemistryNational Chung Hsing UniversityTaichung402Taiwan
| | - Pai Li
- Department of Plant, Soil and Microbial SciencesMichigan State UniversityEast LansingMI48824USA
- Department of Plant BiologyMichigan State UniversityEast LansingMI48824USA
| | - Yongsig Kim
- Department of Plant, Soil and Microbial SciencesMichigan State UniversityEast LansingMI48824USA
| | - Kenichi Tsuda
- State Key Laboratory of Agricultural MicrobiologyHubei Hongshan LaboratoryHubei Key Lab of Plant PathologyCollege of Plant Science and TechnologyHuazhong Agricultural UniversityWuhan430070China
- Shenzhen Institute of Nutrition and HealthHuazhong Agricultural UniversityWuhan430070China
- Shenzhen BranchGuangdong Laboratory of Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture and Rural AffairsAgricultural Genomics Institute at ShenzhenChinese Academy of Agricultural SciencesShenzhen518120China
| | - Akira Mine
- Laboratory of Plant PathologyGraduate School of AgricultureKyoto UniversityKyoto606‐8502Japan
| | - Brad Day
- Department of Plant, Soil and Microbial SciencesMichigan State UniversityEast LansingMI48824USA
- Plant Resilience InstituteMichigan State UniversityEast LansingMI48824USA
- Graduate Program in Genetics and Genome SciencesMichigan State UniversityEast LansingMI48824USA
- Graduate Program in Molecular Plant SciencesMichigan State UniversityEast LansingMI48824USA
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TritiKBdb: A Functional Annotation Resource for Deciphering the Complete Interaction Networks in Wheat-Karnal Bunt Pathosystem. Int J Mol Sci 2022; 23:ijms23137455. [PMID: 35806459 PMCID: PMC9267065 DOI: 10.3390/ijms23137455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/30/2022] [Accepted: 06/30/2022] [Indexed: 02/01/2023] Open
Abstract
The study of molecular interactions, especially the inter-species protein-protein interactions, is crucial for understanding the disease infection mechanism in plants. These interactions play an important role in disease infection and host immune responses against pathogen attack. Among various critical fungal diseases, the incidences of Karnal bunt (Tilletia indica) around the world have hindered the export of the crops such as wheat from infected regions, thus causing substantial economic losses. Due to sparse information on T. indica, limited insight is available with regard to gaining in-depth knowledge of the interaction mechanisms between the host and pathogen proteins during the disease infection process. Here, we report the development of a comprehensive database and webserver, TritiKBdb, that implements various tools to study the protein-protein interactions in the Triticum species-Tilletia indica pathosystem. The novel ‘interactomics’ tool allows the user to visualize/compare the networks of the predicted interactions in an enriched manner. TritiKBdb is a user-friendly database that provides functional annotations such as subcellular localization, available domains, KEGG pathways, and GO terms of the host and pathogen proteins. Additionally, the information about the host and pathogen proteins that serve as transcription factors and effectors, respectively, is also made available. We believe that TritiKBdb will serve as a beneficial resource for the research community, and aid the community in better understanding the infection mechanisms of Karnal bunt and its interactions with wheat. The database is freely available for public use at http://bioinfo.usu.edu/tritikbdb/.
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Brooker R, Brown LK, George TS, Pakeman RJ, Palmer S, Ramsay L, Schöb C, Schurch N, Wilkinson MJ. Active and adaptive plasticity in a changing climate. TRENDS IN PLANT SCIENCE 2022; 27:717-728. [PMID: 35282996 DOI: 10.1016/j.tplants.2022.02.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 01/24/2022] [Accepted: 02/16/2022] [Indexed: 06/14/2023]
Abstract
Better understanding of the mechanistic basis of plant plasticity will enhance efforts to breed crops resilient to predicted climate change. However, complexity in plasticity's conceptualisation and measurement may hinder fruitful crossover of concepts between disciplines that would enable such advances. We argue active adaptive plasticity is particularly important in shaping the fitness of wild plants, representing the first line of a plant's defence to environmental change. Here, we define how this concept may be applied to crop breeding, suggest appropriate approaches to measure it in crops, and propose a refocussing on active adaptive plasticity to enhance crop resilience. We also discuss how the same concept may have wider utility, such as in ex situ plant conservation and reintroductions.
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Affiliation(s)
- Rob Brooker
- Department of Ecological Sciences, James Hutton Institute, Aberdeen, UK; Department of Ecological Sciences, James Hutton Institute, Dundee, UK.
| | - Lawrie K Brown
- Department of Ecological Sciences, James Hutton Institute, Dundee, UK
| | - Timothy S George
- Department of Ecological Sciences, James Hutton Institute, Dundee, UK
| | - Robin J Pakeman
- Department of Ecological Sciences, James Hutton Institute, Aberdeen, UK
| | - Sarah Palmer
- Institute of Biological, Environmental, and Rural Sciences (IBERS), Aberystwyth University, Plas Gogerddan, Aberystwyth, Ceredigion, UK
| | - Luke Ramsay
- Department of Ecological Sciences, James Hutton Institute, Dundee, UK
| | - Christian Schöb
- Institute of Agricultural Sciences, ETH Zurich, Zurich, Switzerland
| | | | - Mike J Wilkinson
- Institute of Biological, Environmental, and Rural Sciences (IBERS), Aberystwyth University, Plas Gogerddan, Aberystwyth, Ceredigion, UK
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Antifungal, Antioxidant and Antibiofilm Activities of Essential Oils of Cymbopogon spp. Antibiotics (Basel) 2022; 11:antibiotics11060829. [PMID: 35740234 PMCID: PMC9220269 DOI: 10.3390/antibiotics11060829] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 06/08/2022] [Accepted: 06/16/2022] [Indexed: 02/01/2023] Open
Abstract
Essential oils (EOs) of Cymbopogon citratus and Cymbopogon proximus are known as sources of monoterpenes and sesquiterpenoids, although their biological activities have not been well investigated. In this study, the compositions of C. citratus and C. proximus EOs of Egyptian origin and their antifungal and antibiofilm properties against Candida spp. and Malassezia furfur were investigated. Antioxidant activities were also evaluated. GC-MS showed the presence of nine and eight constituents in C. citratus and C. proximus EOs, respectively, with geranial and neral as the major compounds of C. citratus EO and piperitone and α-terpinolene as the major compounds of C. proximus EO. Both EOs showed antifungal (MIC values ranging from 1.25 to 20 µL/ mL) and antibiofilm activities (% of reduction ranging from 27.65 ± 11.7 to 96.39 ± 2.8) against all yeast species. The antifungal and antibiofilm activities of C. citratus EO were significantly higher than those observed for C. proximus EO. M. furfur was more susceptible to both EOs than Candida spp. Both EOs exhibited the highest antioxidant activity. This study suggests that C. citratus and C. proximus EOs might be an excellent source of antifungal, antibiofilm and antioxidant drugs and might be useful for preventing Malassezia infections in both medical and veterinary medicine.
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Wang JY, Jamil M, Hossain MG, Chen GTE, Berqdar L, Ota T, Blilou I, Asami T, Al-Solimani SJ, Mousa MAA, Al-Babili S. Evaluation of the Biostimulant Activity of Zaxinone Mimics (MiZax) in Crop Plants. FRONTIERS IN PLANT SCIENCE 2022; 13:874858. [PMID: 35783933 PMCID: PMC9245435 DOI: 10.3389/fpls.2022.874858] [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: 02/13/2022] [Accepted: 05/02/2022] [Indexed: 06/15/2023]
Abstract
Global food security is a critical concern that needs practical solutions to feed the expanding human population. A promising approach is the employment of biostimulants to increase crop production. Biostimulants include compounds that boost plant growth. Recently, mimics of zaxinone (MiZax) were shown to have a promising growth-promoting effect in rice (Oryza sativa). In this study, we investigated the effect of MiZax on the growth and yield of three dicot horticultural plants, namely, tomato (Solanum lycopersicum), capsicum (Capsicum annuum), and squash (Cucurbita pepo) in different growth environments, as well as on the growth and development of the monocot date palm (Phoenix dactylifera), an important crop in the Middle East. The application of MiZax significantly enhanced plant height, flower, and branch numbers, fruit size, and total fruit yield in independent field trials from 2020 to 2021. Importantly, the amount of applied MiZax was far less than that used with the commercial compound humic acid, a widely used biostimulant in horticulture. Our results indicate that MiZax have significant application potential to improve the performance and productivity of horticultural crops.
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Affiliation(s)
- Jian You Wang
- The Bio Actives Lab, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Muhammad Jamil
- The Bio Actives Lab, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Md. Golap Hossain
- Department of Arid Land Agriculture, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Guan-Ting Erica Chen
- The Bio Actives Lab, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Lamis Berqdar
- The Bio Actives Lab, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Tsuyoshi Ota
- Applied Biological Chemistry, The University of Tokyo, Bunkyo City, Japan
| | - Ikram Blilou
- Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- The Laboratory of Plant Cell and Developmental Biology, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Tadao Asami
- Applied Biological Chemistry, The University of Tokyo, Bunkyo City, Japan
| | - Samir Jamil Al-Solimani
- Department of Arid Land Agriculture, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Magdi Ali Ahmed Mousa
- Department of Arid Land Agriculture, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Vegetables, Faculty of Agriculture, Assiut University, Assiut, Egypt
| | - Salim Al-Babili
- The Bio Actives Lab, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
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Chlorophyll Fluorescence Imaging as a Tool for Evaluating Disease Resistance of Common Bean Lines in the Western Amazon Region of Colombia. PLANTS 2022; 11:plants11101371. [PMID: 35631796 PMCID: PMC9143997 DOI: 10.3390/plants11101371] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 05/19/2022] [Accepted: 05/20/2022] [Indexed: 11/24/2022]
Abstract
The evaluation of disease resistance is considered an important aspect of phenotyping for crop improvement. Identification of advanced lines of the common bean with disease resistance contributes to improved grain yields. This study aimed to determine the response of the photosynthetic apparatus to natural pathogen infection by using chlorophyll (Chla) fluorescence parameters and their relationship to the agronomic performance of 59 common bean lines and comparing the photosynthetic responses of naturally infected vs. healthy leaves. The study was conducted over two seasons under acid soil and high temperature conditions in the western Amazon region of Colombia. A disease susceptibility index (DSI) was developed and validated using chlorophyll a (Chla) fluorescence as a tool to identify Mesoamerican and Andean lines of common bean (Phaseolus vulgaris L.) that are resistant to pathogens. A negative effect on the functional status of the photosynthetic apparatus was found with the presence of pathogen infection, a situation that allowed the identification of four typologies based on the DSI values ((i) moderately resistant; (ii) moderately susceptible; (iii) susceptible; and (iv) highly susceptible). Moderately resistant lines, five of them from the Mesoamerican gene pool (ALB 350, SMC 200, BFS 10, SER 16, SMN 27) and one from the Andean gene pool (DAB 295), allocated a higher proportion of energy to photochemical processes, which increased the rate of electron transfer resulting in a lower sensitivity to disease stress. This photosynthetic response was associated with lower values of DSI, which translated into an increase in the accumulation of dry matter accumulation in different plant organs (leaves, stem, pods and roots). Thus, DSI values based on chlorophyll fluorescence response to pathogen infection could serve as a phenotyping tool for evaluating advanced common bean lines. Six common bean lines (ALB 350, BFS 10, DAB 295, SER 16, SMC 200 and SMN 27) were identified as less sensitive to disease stress under field conditions in the western Amazon region of Colombia, and these could serve as useful parents for improving the common bean for multiple stress resistance.
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50
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Iqbal Z, Memon AG, Ahmad A, Iqbal MS. Calcium Mediated Cold Acclimation in Plants: Underlying Signaling and Molecular Mechanisms. FRONTIERS IN PLANT SCIENCE 2022; 13:855559. [PMID: 35574126 PMCID: PMC9094111 DOI: 10.3389/fpls.2022.855559] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 03/31/2022] [Indexed: 05/23/2023]
Abstract
Exposure of plants to low temperatures adversely affects plant growth, development, and productivity. Plant response to cold stress is an intricate process that involves the orchestration of various physiological, signaling, biochemical, and molecular pathways. Calcium (Ca2+) signaling plays a crucial role in the acquisition of several stress responses, including cold. Upon perception of cold stress, Ca2+ channels and/or Ca2+ pumps are activated, which induces the Ca2+ signatures in plant cells. The Ca2+ signatures spatially and temporally act inside a plant cell and are eventually decoded by specific Ca2+ sensors. This series of events results in the molecular regulation of several transcription factors (TFs), leading to downstream gene expression and withdrawal of an appropriate response by the plant. In this context, calmodulin binding transcription activators (CAMTAs) constitute a group of TFs that regulate plant cold stress responses in a Ca2+ dependent manner. The present review provides a catalog of the recent progress made in comprehending the Ca2+ mediated cold acclimation in plants.
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Affiliation(s)
- Zahra Iqbal
- Molecular Crop Research Unit, Department of Biochemistry, Chulalongkorn University, Bangkok, Thailand
| | - Anjuman Gul Memon
- Department of Biochemistry, College of Medicine, Qassim University, Buraydah, Saudi Arabia
| | - Ausaf Ahmad
- Amity Institute of Biotechnology, Amity University Lucknow, Lucknow, India
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