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Kondak S, Kondak D, Kabadayi O, Erdei L, Rónavári A, Kónya Z, Galbács G, Kolbert Z. Current insights into the green synthesis, in planta characterization and phytoeffects of nickel nanoparticles and their agricultural implications. ENVIRONMENTAL RESEARCH 2024; 260:119665. [PMID: 39048062 DOI: 10.1016/j.envres.2024.119665] [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: 04/23/2024] [Revised: 06/11/2024] [Accepted: 07/21/2024] [Indexed: 07/27/2024]
Abstract
The intensifying production and release into the environment as well as the increasing potential in agricultural applications make the relationship between plants and nickel nanoparticles (Ni NPs) a relevant and timely topic. The aim of this review is to give an overview and discuss the latest findings about the relationship of Ni NPs and plants. Ni NPs can be synthesized using phytochemicals derived from plant parts in an environmentally friendly manner. There are several ways for these nanoparticles to enter plant cells and tissues. This can be demonstrated through various imaging and chemical mapping approaches (e.g., transmission electron microscopy, X-ray fluorescence spectroscopy etc.). NiO NPs affect plants at multiple levels, including subcellular, cellular, tissue, organ, and whole-plant levels. However, the effects of Ni NPs on plants' ecological partners (e.g., rhizobiome, pollinators) remain largely unknown despite their ecotoxicological significance. The main cause of the Ni NPs-triggered damages is the reactive oxygen species imbalance as a consequence of the modulation of antioxidants. In non-tolerant plants, the toxicity of NiO NPs can be mitigated by exogenous treatments such as the application of silicon, salicylic acid, or jasmonic acid, which induce defense mechanisms whereas Ni-hypertolerant plant species possess endogenous defense systems, such as cell wall modifications and nitrosative signaling against NiO NP stress. Research highlights the role of Ni NPs in managing fungal diseases, showcasing their antifungal properties against specific pathogens. Due to the essentiality of Ni, the application of Ni NPs as nanofertilizers might be promising and has recently started to come into view.
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Affiliation(s)
- Selahattin Kondak
- Department of Plant Biology, University of Szeged, Közép fasor 52., 6726, Szeged, Hungary; Doctoral School of Biology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52., 6726, Szeged, Hungary
| | - Dóra Kondak
- Department of Plant Biology, University of Szeged, Közép fasor 52., 6726, Szeged, Hungary; Doctoral School of Biology, Faculty of Science and Informatics, University of Szeged, Közép fasor 52., 6726, Szeged, Hungary
| | - Onur Kabadayi
- Department of Chemistry, Faculty of Science and Arts, Sakarya University, 54187, Serdivan Sakarya, Turkey
| | - László Erdei
- Department of Plant Biology, University of Szeged, Közép fasor 52., 6726, Szeged, Hungary
| | - Andrea Rónavári
- Department of Applied and Environmental Chemistry, Faculty of Science and Informatics, University of Szeged, Rerrich Béla tér 1., 6720, Szeged, Hungary
| | - Zoltán Kónya
- Department of Applied and Environmental Chemistry, Faculty of Science and Informatics, University of Szeged, Rerrich Béla tér 1., 6720, Szeged, Hungary
| | - Gábor Galbács
- Department of Molecular and Analytical Chemistry, University of Szeged, Dóm tér 7-8., 6720, Szeged, Hungary
| | - Zsuzsanna Kolbert
- Department of Plant Biology, University of Szeged, Közép fasor 52., 6726, Szeged, Hungary.
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Wang W, Chen X, Ma J, Li W, Long Y. Activity of Streptomyces globosus OPF-9 against the important pathogen Alternaria longipes and biocontrol mechanisms revealed by multi-omic analyses. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 204:106094. [PMID: 39277405 DOI: 10.1016/j.pestbp.2024.106094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2024] [Revised: 08/13/2024] [Accepted: 08/17/2024] [Indexed: 09/17/2024]
Abstract
Plant diseases caused by fungal pathogens represent main threats to the yield and quality of agricultural products, and Alternaria longipes is one of the most important pathogens in agricultural systems. Biological control is becoming increasingly prevalent in the management of plant diseases due to its environmental compatibility and sustainability. In the present study, a bacterial strain, designated as OPF-9, was shown to effectively inhibit the pathogen A. longipes, which was identified as Streptomyces globosus. The culture conditions for OPF-9 were optimized through a stepwise approach and the fermentation broth acquired displayed an excellent inhibitory activity against A. longipes in vitro and in vivo. Further investigations suggested that the fermentation broth exhibited strong stability under a range of adverse environmental conditions. To reveal the molecular bases of OPF-9 in inhibiting pathogens, the whole-genome sequencing and assembly were conducted on this strain. It showed that the genome size of OPF-9 was 7.668 Mb, containing a chromosome and two plasmids. Multiple clusters of secondary metabolite synthesis genes were identified by genome annotation analysis. In addition, the fermentation broth of strain OPF-9 was analyzed by LC-MS/MS non-target metabolomic assay and the activity of potential antifungal substances was determined. Among the five compounds evaluated, pyrogallol displayed the most pronounced inhibitory activity against A. longipes, which was found to effectively inhibit the mycelial growth of this pathogen. Overall, this study reported, for the first time, a strain of S. globosus that effectively inhibits A. longipes and revealed the underlying biocontrol mechanisms by genomic and metabolomic analyses.
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Affiliation(s)
- Weizhen Wang
- Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang 550025, PR China
| | - Xuetang Chen
- Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang 550025, PR China
| | - Jiling Ma
- Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang 550025, PR China
| | - Wenzhi Li
- Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang 550025, PR China
| | - Youhua Long
- Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang 550025, PR China.
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Kumari R, Pandey E, Bushra S, Faizan S, Pandey S. Plant Growth Promoting Rhizobacteria (PGPR) induced protection: A plant immunity perspective. PHYSIOLOGIA PLANTARUM 2024; 176:e14495. [PMID: 39247988 DOI: 10.1111/ppl.14495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 08/03/2024] [Accepted: 08/10/2024] [Indexed: 09/10/2024]
Abstract
Plant-environment interactions, particularly biotic stress, are increasingly essential for global food security due to crop losses in the dynamic environment. Therefore, understanding plant responses to biotic stress is vital to mitigate damage. Beneficial microorganisms and their association with plants can reduce the damage associated with plant pathogens. One such group is PGPR (Plant growth-promoting rhizobacteria), which influences plant immunity significantly by interacting with biotic stress factors and plant signalling compounds. This review explores the types, metabolism, and mechanisms of action of PGPR, including their enzyme pathways and the signalling compounds secreted by PGPR that modulate gene and protein expression during plant defence. Furthermore, the review will delve into the crosstalk between PGPR and other plant growth regulators and signalling compounds, elucidating the physiological, biochemical, and molecular insights into PGPR's impact on plants under multiple biotic stresses, including interactions with fungi, bacteria, and viruses. Overall, the review comprehensively adds to our knowledge about PGPR's role in plant immunity and its application for agricultural resilience and food security.
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Affiliation(s)
- Rinkee Kumari
- Environmental Physiology Laboratory, Department of Botany, Aligarh Muslim University, Aligarh, (U.P.), India
| | - Ekta Pandey
- Environmental Physiology Laboratory, Department of Botany, Aligarh Muslim University, Aligarh, (U.P.), India
| | - Sayyada Bushra
- Environmental Physiology Laboratory, Department of Botany, Aligarh Muslim University, Aligarh, (U.P.), India
| | - Shahla Faizan
- Environmental Physiology Laboratory, Department of Botany, Aligarh Muslim University, Aligarh, (U.P.), India
| | - Saurabh Pandey
- Department of Agriculture, Guru Nanak Dev University, Amritsar, Punjab, India
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Lan Z, Huang J, Akutse KS, Lin Y. Impact of pre-harvest fungicide application on the storage performance of tomato fruits. PLoS One 2024; 19:e0308670. [PMID: 39116056 PMCID: PMC11309479 DOI: 10.1371/journal.pone.0308670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Accepted: 07/22/2024] [Indexed: 08/10/2024] Open
Abstract
To examine the impact of pre-harvest fungicide applications on the postharvest storage performance of tomato fruits, we measured the lycopene content, hardness, soluble solids content, rotting rate, and weight loss rate of the fruits, as well as conducted a sensory assessment. Protective and systematic fungicides were sprayed on tomatoes 20 days before harvest in order to prevent rotting and weight loss during storage. Our findings showed that, the fungicide-treated tomatoes had a significantly lower rotting rate of 16.00% and a weight loss rate of 3.96%. However the control group experienced 65.33% rotting rate and 6.90% weight loss rate on 12th days of storage. Out of the pre-harvest applications, 'Zineb' a protective fungicide significantly delayed the loss of hardness and soluble solids accumulation in tomato fruits during storage, but it had no significant effect on lycopene content. On the other hand, when comparing to the examined treatment, the systemic fungicides did not have any significant effect on the postharvest storage performance of tomato fruits. Sensory evaluation results indicated that systemic fungicides improved the aroma of the fruits, while protective fungicides had a greater impact on the appearance and juiciness of the fruits. This study offers a potential novel solution for preserving fruits and vegetables which have been frequently infected by phytopathogens during storage, and consequently mitigate/reduce postharvest losses.
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Affiliation(s)
- Zhifu Lan
- Zhangzhou Institute of Technology, Zhangzhou, China
| | - Jing Huang
- Zhangzhou Institute of Technology, Zhangzhou, China
| | - Komivi S. Akutse
- International Centre of Insect Physiology and Ecology (icipe), Nairobi, Kenya
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
| | - Yongwen Lin
- Zhangzhou Institute of Technology, Zhangzhou, China
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Samantaray A, Chattaraj S, Mitra D, Ganguly A, Kumar R, Gaur A, Mohapatra PK, Santos-Villalobos SDL, Rani A, Thatoi H. Advances in microbial based bio-inoculum for amelioration of soil health and sustainable crop production. CURRENT RESEARCH IN MICROBIAL SCIENCES 2024; 7:100251. [PMID: 39165409 PMCID: PMC11334944 DOI: 10.1016/j.crmicr.2024.100251] [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] [Indexed: 08/22/2024] Open
Abstract
The adoption of sustainable agricultural practices is increasingly imperative in addressing global food security and environmental concerns, with microbial based bio-inoculums emerging as a promising approach for nurturing soil health and fostering sustainable crop production.This review article explores the potential of microbial based bio-inoculumsor biofertilizers as a transformative approach toenhance plant disease resistance and growth. It explores the commercial prospects of biofertilizers, highlighting their role in addressing environmental concerns associated with conventional fertilizers while meeting the growing demand for eco-friendly agricultural practices. Additionally, this review discusses the future prospects of biofertilizers, emphasizing the ongoing advancements in biotechnology and formulation techniques that are expected to enhance their efficacy and applicability. Furthermore, this article provides insights into strategies for the successful acceptance of biofertilizers among farmers, including the importance of quality control, assurance, and education initiatives to raise awareness about their benefits and overcome barriers to adoption. By synthesizing the current research findings and industrial developments, this review offers valuable guidance for stakeholders seeking to exploit the potential of biofertilizers or beneficial microbes to promote soil health, ensure sustainable crop production, and addressing the challenges of modern agriculture.
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Affiliation(s)
- Aurodeepa Samantaray
- Centre for Industrial Biotechnology Research, School of Pharmaceutical Sciences, Siksha ‘O’ Anusandhan, Deemed to be University, Kalinga Nagar, Bhubaneswar, Odisha 751003, India
| | - Sourav Chattaraj
- Centre for Industrial Biotechnology Research, School of Pharmaceutical Sciences, Siksha ‘O’ Anusandhan, Deemed to be University, Kalinga Nagar, Bhubaneswar, Odisha 751003, India
| | - Debasis Mitra
- Department of Microbiology, Graphic Era (Deemed to be University), Dehradun, Uttarakhand 248002, India
| | - Arindam Ganguly
- Department of Microbiology, Bankura Sammilani College, Bankura, West Bengal 722102, India
| | - Rahul Kumar
- Department of Microbiology, Graphic Era (Deemed to be University), Dehradun, Uttarakhand 248002, India
| | - Ashish Gaur
- Department of Biotechnology, Graphic Era (Deemed to be University), Dehradun, Uttarakhand 248002, India
| | - Pradeep K.Das Mohapatra
- Department of Microbiology, Raiganj University, Uttar Dinajpur, Raiganj, West Bengal 733134, India
| | | | - Anju Rani
- Department of Microbiology, Graphic Era (Deemed to be University), Dehradun, Uttarakhand 248002, India
| | - Hrudayanath Thatoi
- Centre for Industrial Biotechnology Research, School of Pharmaceutical Sciences, Siksha ‘O’ Anusandhan, Deemed to be University, Kalinga Nagar, Bhubaneswar, Odisha 751003, India
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Mohan I, Joshi B, Pathania D, Dhar S, Bhau BS. Phytobial remediation advances and application of omics and artificial intelligence: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:37988-38021. [PMID: 38780844 DOI: 10.1007/s11356-024-33690-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 05/11/2024] [Indexed: 05/25/2024]
Abstract
Industrialization and urbanization increased the use of chemicals in agriculture, vehicular emissions, etc., and spoiled all environmental sectors. It causes various problems among living beings at multiple levels and concentrations. Phytoremediation and microbial association are emerging as a potential method for removing heavy metals and other contaminants from soil. The treatment uses plant physiology and metabolism to remove or clean up various soil contaminants efficiently. In recent years, omics and artificial intelligence have been seen as powerful techniques for phytobial remediation. Recently, AI and modeling are used to analyze large data generated by omics technologies. Machine learning algorithms can be used to develop predictive models that can help guide the selection of the most appropriate plant and plant growth-promoting rhizobacteria combination that is most effective at remediation. In this review, emphasis is given to the phytoremediation techniques being explored worldwide in soil contamination.
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Affiliation(s)
- Indica Mohan
- Department of Environmental Sciences, Central University of Jammu, Rahya-Suchani, Bagla, District Samba, Jammu and Kashmir, 181143, India
- Department of Botany, Central University of Jammu, Rahya-Suchani, Bagla, District Samba, Jammu and Kashmir, 181143, India
| | - Babita Joshi
- Plant Molecular Genetics Laboratory, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow, U.P., 226001, India
| | - Deepak Pathania
- Department of Environmental Sciences, Central University of Jammu, Rahya-Suchani, Bagla, District Samba, Jammu and Kashmir, 181143, India
- Department of Botany, Central University of Jammu, Rahya-Suchani, Bagla, District Samba, Jammu and Kashmir, 181143, India
| | - Sunil Dhar
- Department of Environmental Sciences, Central University of Jammu, Rahya-Suchani, Bagla, District Samba, Jammu and Kashmir, 181143, India
- Department of Botany, Central University of Jammu, Rahya-Suchani, Bagla, District Samba, Jammu and Kashmir, 181143, India
| | - Brijmohan Singh Bhau
- Department of Botany, Central University of Jammu, Rahya-Suchani, Bagla, District Samba, Jammu and Kashmir, 181143, India.
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Jain A, Sarsaiya S, Singh R, Gong Q, Wu Q, Shi J. Omics approaches in understanding the benefits of plant-microbe interactions. Front Microbiol 2024; 15:1391059. [PMID: 38860224 PMCID: PMC11163067 DOI: 10.3389/fmicb.2024.1391059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Accepted: 04/29/2024] [Indexed: 06/12/2024] Open
Abstract
Plant-microbe interactions are pivotal for ecosystem dynamics and sustainable agriculture, and are influenced by various factors, such as host characteristics, environmental conditions, and human activities. Omics technologies, including genomics, transcriptomics, proteomics, and metabolomics, have revolutionized our understanding of these interactions. Genomics elucidates key genes, transcriptomics reveals gene expression dynamics, proteomics identifies essential proteins, and metabolomics profiles small molecules, thereby offering a holistic perspective. This review synthesizes diverse microbial-plant interactions, showcasing the application of omics in understanding mechanisms, such as nitrogen fixation, systemic resistance induction, mycorrhizal association, and pathogen-host interactions. Despite the challenges of data integration and ethical considerations, omics approaches promise advancements in precision intervention and resilient agricultural practices. Future research should address data integration challenges, enhance omics technology resolution, explore epigenomics, and understand plant-microbe dynamics under diverse conditions. In conclusion, omics technologies hold immense promise for optimizing agricultural strategies and fortifying resilient plant-microbe alliances, paving the way for sustainable agriculture and environmental stewardship.
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Affiliation(s)
- Archana Jain
- Key Laboratory of Basic Pharmacology and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, China
| | - Surendra Sarsaiya
- Key Laboratory of Basic Pharmacology and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, China
- Bioresource Institute for Healthy Utilization, Zunyi Medical University, Zunyi, China
| | - Ranjan Singh
- Department of Microbiology, Faculty of Science, Dr. Rammanohar Lohia Avadh University, Ayodhya, Uttar Pradesh, India
| | - Qihai Gong
- Key Laboratory of Basic Pharmacology and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, China
| | - Qin Wu
- Key Laboratory of Basic Pharmacology and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, China
| | - Jingshan Shi
- Key Laboratory of Basic Pharmacology and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, China
- Bioresource Institute for Healthy Utilization, Zunyi Medical University, Zunyi, China
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Verma KK, Joshi A, Song XP, Liang Q, Xu L, Huang HR, Wu KC, Seth CS, Arora J, Li YR. Regulatory mechanisms of plant rhizobacteria on plants to the adaptation of adverse agroclimatic variables. FRONTIERS IN PLANT SCIENCE 2024; 15:1377793. [PMID: 38855463 PMCID: PMC11157439 DOI: 10.3389/fpls.2024.1377793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Accepted: 05/07/2024] [Indexed: 06/11/2024]
Abstract
The mutualistic plant rhizobacteria which improve plant development and productivity are known as plant growth-promoting rhizobacteria (PGPR). It is more significant due to their ability to help the plants in different ways. The main physiological responses, such as malondialdehyde, membrane stability index, relative leaf water content, photosynthetic leaf gas exchange, chlorophyll fluorescence efficiency of photosystem-II, and photosynthetic pigments are observed in plants during unfavorable environmental conditions. Plant rhizobacteria are one of the more crucial chemical messengers that mediate plant development in response to stressed conditions. The interaction of plant rhizobacteria with essential plant nutrition can enhance the agricultural sustainability of various plant genotypes or cultivars. Rhizobacterial inoculated plants induce biochemical variations resulting in increased stress resistance efficiency, defined as induced systemic resistance. Omic strategies revealed plant rhizobacteria inoculation caused the upregulation of stress-responsive genes-numerous recent approaches have been developed to protect plants from unfavorable environmental threats. The plant microbes and compounds they secrete constitute valuable biostimulants and play significant roles in regulating plant stress mechanisms. The present review summarized the recent developments in the functional characteristics and action mechanisms of plant rhizobacteria in sustaining the development and production of plants under unfavorable environmental conditions, with special attention on plant rhizobacteria-mediated physiological and molecular responses associated with stress-induced responses.
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Affiliation(s)
- Krishan K. Verma
- Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences/Key Laboratory of Sugarcane Biotechnology and Genetic Improvement (Guangxi), Ministry of Agriculture and Rural Affairs/Guangxi Key Laboratory of Sugarcane Genetic Improvement, Nanning, China
| | - Abhishek Joshi
- Department of Botany, Mohanlal Sukhadia University, Udaipur, Rajasthan, India
| | - Xiu-Peng Song
- Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences/Key Laboratory of Sugarcane Biotechnology and Genetic Improvement (Guangxi), Ministry of Agriculture and Rural Affairs/Guangxi Key Laboratory of Sugarcane Genetic Improvement, Nanning, China
| | - Qiang Liang
- Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences/Key Laboratory of Sugarcane Biotechnology and Genetic Improvement (Guangxi), Ministry of Agriculture and Rural Affairs/Guangxi Key Laboratory of Sugarcane Genetic Improvement, Nanning, China
| | - Lin Xu
- Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences/Key Laboratory of Sugarcane Biotechnology and Genetic Improvement (Guangxi), Ministry of Agriculture and Rural Affairs/Guangxi Key Laboratory of Sugarcane Genetic Improvement, Nanning, China
| | - Hai-rong Huang
- Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences/Key Laboratory of Sugarcane Biotechnology and Genetic Improvement (Guangxi), Ministry of Agriculture and Rural Affairs/Guangxi Key Laboratory of Sugarcane Genetic Improvement, Nanning, China
| | - Kai-Chao Wu
- Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences/Key Laboratory of Sugarcane Biotechnology and Genetic Improvement (Guangxi), Ministry of Agriculture and Rural Affairs/Guangxi Key Laboratory of Sugarcane Genetic Improvement, Nanning, China
| | | | - Jaya Arora
- Department of Botany, Mohanlal Sukhadia University, Udaipur, Rajasthan, India
| | - Yang-Rui Li
- Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences/Key Laboratory of Sugarcane Biotechnology and Genetic Improvement (Guangxi), Ministry of Agriculture and Rural Affairs/Guangxi Key Laboratory of Sugarcane Genetic Improvement, Nanning, China
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Wang T, Xu J, Chen J, Liu P, Hou X, Yang L, Zhang L. Progress in Microbial Fertilizer Regulation of Crop Growth and Soil Remediation Research. PLANTS (BASEL, SWITZERLAND) 2024; 13:346. [PMID: 38337881 PMCID: PMC10856823 DOI: 10.3390/plants13030346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/16/2024] [Accepted: 01/22/2024] [Indexed: 02/12/2024]
Abstract
More food is needed to meet the demand of the global population, which is growing continuously. Chemical fertilizers have been used for a long time to increase crop yields, and may have negative effect on human health and the agricultural environment. In order to make ongoing agricultural development more sustainable, the use of chemical fertilizers will likely have to be reduced. Microbial fertilizer is a kind of nutrient-rich and environmentally friendly biological fertilizer made from plant growth-promoting bacteria (PGPR). Microbial fertilizers can regulate soil nutrient dynamics and promote soil nutrient cycling by improving soil microbial community changes. This process helps restore the soil ecosystem, which in turn promotes nutrient uptake, regulates crop growth, and enhances crop resistance to biotic and abiotic stresses. This paper reviews the classification of microbial fertilizers and their function in regulating crop growth, nitrogen fixation, phosphorus, potassium solubilization, and the production of phytohormones. We also summarize the role of PGPR in helping crops against biotic and abiotic stresses. Finally, we discuss the function and the mechanism of applying microbial fertilizers in soil remediation. This review helps us understand the research progress of microbial fertilizer and provides new perspectives regarding the future development of microbial agent in sustainable agriculture.
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Affiliation(s)
- Tingting Wang
- College of Plant Protection, Shandong Agricultural University, Tai’an 271002, China; (T.W.); (J.X.); (P.L.); (X.H.)
| | - Jiaxin Xu
- College of Plant Protection, Shandong Agricultural University, Tai’an 271002, China; (T.W.); (J.X.); (P.L.); (X.H.)
| | - Jian Chen
- Institute of Food Quality and Safety, Jiangsu Academy of Agricultural Sciences, Nanjing 221122, China;
| | - Peng Liu
- College of Plant Protection, Shandong Agricultural University, Tai’an 271002, China; (T.W.); (J.X.); (P.L.); (X.H.)
| | - Xin Hou
- College of Plant Protection, Shandong Agricultural University, Tai’an 271002, China; (T.W.); (J.X.); (P.L.); (X.H.)
| | - Long Yang
- College of Plant Protection, Shandong Agricultural University, Tai’an 271002, China; (T.W.); (J.X.); (P.L.); (X.H.)
| | - Li Zhang
- College of Plant Protection, Shandong Agricultural University, Tai’an 271002, China; (T.W.); (J.X.); (P.L.); (X.H.)
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Chauhan PK, Upadhyay SK, Rajput VD, Dwivedi P, Minkina T, Wong MH. Fostering plant growth performance under drought stress using rhizospheric microbes, their gene editing, and biochar. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2024; 46:41. [PMID: 38227068 DOI: 10.1007/s10653-023-01823-1] [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: 04/04/2023] [Accepted: 11/27/2023] [Indexed: 01/17/2024]
Abstract
Stress due to drought lowers crop yield and frequently leads to a rise in food scarcity. Plants' intricate metabolic systems enable them to tolerate drought stress, but they are unable to handle it well. Adding some external, environmentally friendly supplements can boost plant growth and productivity when it comes to drought-stressed plants. In order to prevent the detrimental effects of drought in agricultural regions, environmentally friendly practices must be upheld. Plant growth-promoting rhizobacteria (PGPR) can exhibit beneficial phytostimulation, mineralization, and biocontrol activities under drought stress. The significant impact of the PGPR previously reported has not been accepted as an effective treatment to lessen drought stress. Recent studies have successfully shown that manipulating microbes can be a better option to reduce the severity of drought in plants. In this review, we demonstrate how modifying agents such as biochar, PGPR consortia, PGPR, and mycorrhizal fungi can help overcome drought stress responses in crop plants. This article also discusses CRISPR/Cas9-modifiable genes, increase plant's effectiveness in drought conditions, and increase plant resistance to drought stress. With an eco-friendly approach in mind, there is a need for practical management techniques having potential prospects based on an integrated strategy mediated by CRISPR-Cas9 editing, PGPR, which may alleviate the effects of drought stress in crops and aid in achieving the United Nation Sustainable Development Goals (UN-SDGs-2030).
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Affiliation(s)
- Prabhat K Chauhan
- Department of Environmental Science, V.B.S. Purvanchal University, Jaunpur, 222003, India
| | - Sudhir K Upadhyay
- Department of Environmental Science, V.B.S. Purvanchal University, Jaunpur, 222003, India.
| | - Vishnu D Rajput
- Academy of Biology and Biotechnology, Southern Federal University, Rostov-on-Don, Russia, 344090
| | - Padmanabh Dwivedi
- Department of Plant Physiology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Tatiana Minkina
- Academy of Biology and Biotechnology, Southern Federal University, Rostov-on-Don, Russia, 344090
| | - Ming Hung Wong
- Consortium On Health, Environment, Education, and Research (CHEER), and Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, Hong Kong, 999077, China
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Mazzi G, Feltracco M, Altavilla L, Alterio A, Barbaro E, Bortolini M, Malavasi S, Gambaro A. Cortisol, cortisone and DHEAS in epidermis and scales of fish Aphanius fasciatus: HPLC-MS/MS measurement of stress indicators as proxies for natural and human-induced factors. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166900. [PMID: 37683865 DOI: 10.1016/j.scitotenv.2023.166900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 08/22/2023] [Accepted: 09/05/2023] [Indexed: 09/10/2023]
Abstract
Fish health can be affected by a multitude of stressors. Acute and chronic stress assessment via specific hormones monitoring has become a trending research topic. Common investigated matrices are blood and plasma, but recently less invasive substrates have been identified. As chemical composition of skin mucus/epidermis has been demonstrated to link with acute stress, and of scales with chronic stress in fish, the aim of the study was firstly to improve the determination of three stress hormones, namely cortisol (COL), cortisone (CON), and dehydroepiandrosterone-3-sulfate (DHEAS), in skin mucus/epidermis and scales of Aphanius fasciatus. Secondly, an evaluation of the impact of different environments on hormones concentrations was carried out. A liquid chromatography coupled to tandem mass spectrometry method (HPLC-MS/MS) and a preanalytical procedure were validated to determine COL, CON and DHEAS. This methodology was applied to compare a pull of field-collected fish with a pull of fish housed in the laboratory for one year. Our results highlighted a significant presence of cortisol and cortisone in epidermis of the latter pull (averagely 0.10 and 0.14 ng mg-1, respectively), while in the first pull both hormones were much less concentrated (averagely 0.006 and 0.008 ng mg-1, respectively). Scales of both pulls showed presence of hormones, with a higher concentration for fish housed in the laboratory, although a relevant difference in concentration was found only for cortisone. DHEAS was always below the limit of detection.
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Affiliation(s)
- Giovanna Mazzi
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155, 30170 Venice Mestre (VE), Italy
| | - Matteo Feltracco
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155, 30170 Venice Mestre (VE), Italy.
| | - Luca Altavilla
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155, 30170 Venice Mestre (VE), Italy
| | - Agata Alterio
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155, 30170 Venice Mestre (VE), Italy
| | - Elena Barbaro
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155, 30170 Venice Mestre (VE), Italy; Institute of Polar Sciences, National Research Council (CNR-ISP), Via Torino, 155, 30172 Venice Mestre (VE), Italy
| | - Mara Bortolini
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155, 30170 Venice Mestre (VE), Italy
| | - Stefano Malavasi
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155, 30170 Venice Mestre (VE), Italy
| | - Andrea Gambaro
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155, 30170 Venice Mestre (VE), Italy; Institute of Polar Sciences, National Research Council (CNR-ISP), Via Torino, 155, 30172 Venice Mestre (VE), Italy
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12
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Rumyantsev SD, Veselova SV, Burkhanova GF, Alekseev VY, Maksimov IV. Bacillus subtilis 26D Triggers Induced Systemic Resistance against Rhopalosiphum padi L. by Regulating the Expression of Genes AGO, DCL and microRNA in Bread Spring Wheat. Microorganisms 2023; 11:2983. [PMID: 38138127 PMCID: PMC10745712 DOI: 10.3390/microorganisms11122983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/08/2023] [Accepted: 12/09/2023] [Indexed: 12/24/2023] Open
Abstract
Bacillus subtilis 26D is a plant growth-promoting endophytic bacteria capable of inducing systemic resistance through the priming mechanism, which includes plant genome reprogramming and the phenomenon of RNA interference (RNAi) and microRNA (miRNAs). The phloem-feeding insect bird cherry-oat aphid Rhopalosiphum padi L. is a serious pest that causes significant damage to crops throughout the world. However, the function of plant miRNAs in the response to aphid infestation remains unclear. The results of this work showed that B. subtilis 26D stimulated aphid resistance in wheat plants, inducing the expression of genes of hormonal signaling pathways ICS, WRKY13, PR1, ACS, EIN3, PR3, and ABI5. In addition, B. subtilis 26D activated the RNAi mechanism and regulated the expression of nine conserved miRNAs through activation of the ethylene, salicylic acid (SA), and abscisic acid (ABA) signaling pathways, which was demonstrated by using treatments with phytohormones. Treatment of plants with SA, ethylene, and ABA acted in a similar manner to B. subtilis 26D on induction of the expression of the AGO4, AGO5 and DCL2, DCL4 genes, as well as the expression of nine conserved miRNAs. Different patterns of miRNA expression were found in aphid-infested plants and in plants treated with B. subtilis 26D or SA, ethylene, and ABA and infested by aphids, suggesting that miRNAs play multiple roles in the plant response to phloem-feeding insects, associated with effects on hormonal signaling pathways, redox metabolism, and the synthesis of secondary metabolites. Our study provides new data to further elucidate the fine mechanisms of bacterial-induced priming. However, further extensive work is needed to fully unravel these mechanisms.
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Affiliation(s)
| | - Svetlana V. Veselova
- Institute of Biochemistry and Genetics, Ufa Federal Research Centre, Russian Academy of Sciences, Prospekt Oktyabrya, 71, 450054 Ufa, Russia; (S.D.R.); (G.F.B.); (V.Y.A.); (I.V.M.)
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13
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Okooboh GO, Haferkamp I, Rühle T, Leister D, Neuhaus HE. Expression of the plastocyanin gene PETE2 in Camelina sativa improves seed yield and salt tolerance. JOURNAL OF PLANT PHYSIOLOGY 2023; 290:154103. [PMID: 37788546 DOI: 10.1016/j.jplph.2023.154103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 09/15/2023] [Accepted: 09/25/2023] [Indexed: 10/05/2023]
Abstract
Plastocyanin functions as an electron carrier in the photosynthetic electron transport chain, located at the thylakoid membrane. In several species, endogenous plastocyanin levels are correlated with the photosynthetic electron transport rate. Overexpression of plastocyanin genes in Arabidopsis thaliana increases plant size, but this phenomenon has not been observed in crop species. Here, we investigated the effects of heterologous expression of a gene encoding a plastocyanin isoform from Arabidopsis, AtPETE2, in the oil seed crop Camelina sativa under standard growth conditions and under salt stress. AtPETE2 heterologous expression enhanced photosynthetic activity in Camelina, accelerating plant development and improving seed yield under standard growth conditions. Additionally, CsPETE2 from Camelina was induced by salt stress and AtPETE2 expression lines had larger primary roots and more lateral roots than the wild type. AtPETE2 expression lines also had larger seeds and higher total seed yield under long-term salt stress compared with non-transgenic Camelina. Our results demonstrate that increased plastocyanin levels in Camelina can enhance photosynthesis and productivity, as well as tolerance to osmotic and salt stresses. Heterologous expression of plastocyanin may be a useful strategy to mitigate crop stress in saline soils.
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Affiliation(s)
- Gloria O Okooboh
- Plant Physiology, University of Kaiserslautern, Erwin-Schrödinger-Str., D-67653, Kaiserslautern, Germany
| | - Ilka Haferkamp
- Plant Physiology, University of Kaiserslautern, Erwin-Schrödinger-Str., D-67653, Kaiserslautern, Germany
| | - Thilo Rühle
- Department of Biology I, Molecular Plant Biology, Ludwig-Maximilians University of Munich, D-82152, Planegg, Martinsried, Germany
| | - Dario Leister
- Department of Biology I, Molecular Plant Biology, Ludwig-Maximilians University of Munich, D-82152, Planegg, Martinsried, Germany
| | - H Ekkehard Neuhaus
- Plant Physiology, University of Kaiserslautern, Erwin-Schrödinger-Str., D-67653, Kaiserslautern, Germany.
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Kumar S, Chandra R, Behera L, Sudhir I, Meena M, Singh S, Keswani C. Microbial consortium mediated acceleration of the defense response in potato against Alternaria solani through prodigious inflation in phenylpropanoid derivatives and redox homeostasis. Heliyon 2023; 9:e22148. [PMID: 38045140 PMCID: PMC10692827 DOI: 10.1016/j.heliyon.2023.e22148] [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: 09/20/2022] [Revised: 10/30/2023] [Accepted: 11/05/2023] [Indexed: 12/05/2023] Open
Abstract
The present study was carried out in a pot experiment to examine the bioefficacy of three biocontrol agents, viz., Trichoderma viride, Bacillus subtilis, and Pseudomonas fluorescens, either alone or in consortium, on plant growth promotion and activation of defense responses in potato against the early blight pathogen Alternaria solani. The results demonstrate significant enhancement in growth parameters in plants bioprimed with the triple-microbe consortium compared to other treatments. In potato, the disease incidence percentage was significantly reduced in plants treated with the triple-microbe consortium compared to untreated control plants challenged with A. solani. Potato tubers treated with the consortium and challenged with pathogen showed significant activation of defense-related enzymes such as peroxidase (PO) at 96 h after pathogen inoculation (hapi) while, both polyphenol oxidase (PPO), and phenylalanine ammonia-lyase (PAL) at 72 hapi, compared to the individual and dual microbial consortia-treated plants. The expression of antioxidant enzymes like superoxide dismutase (SOD) and catalase (CAT) and the accumulation of pathogenesis-related proteins such as chitinase and β-1,3-glucanase were observed to be highest at 72 hapi in the triple microbe consortium as compared to other treatments. HPLC analysis revealed significant induction in polyphenolic compounds in triple-consortium bioprimed plants compared to the control at 72 hapi. Histochemical analysis of hydrogen peroxide (H2O2) clearly showed maximum accumulation of H2O2 in pathogen-inoculated control plants, while the lowest was observed in triple-microbe consortium at 72 hapi. The findings of this study suggest that biopriming with a microbial consortium improved plant growth and triggered defense responses against A. solani through the induction of systemic resistance via modulation of the phenylpropanoid pathway and antioxidative network.
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Affiliation(s)
- Sumit Kumar
- Department of Mycology and Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, 221005, India
- Department of Plant Pathology, B.M. College of Agriculture, Khandwa, Rajmata Vijayaraje Scindia Krishi Vishwa Vidyalaya, Gwalior, 474002, India
| | - Ram Chandra
- Department of Mycology and Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Lopamudra Behera
- Department of Mycology and Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Ichini Sudhir
- Department of Mycology and Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Mukesh Meena
- Laboratory of Phytopathology and Microbial Biotechnology, Department of Botany, University Collage of Science, Mohanlal Sukhadia University, Udaipur, 313001, India
| | - Shailendra Singh
- Department of Biotechnology, Invertis University, Bareilly, 243123, India
| | - Chetan Keswani
- Academy of Biology and Biotechnology, Southern Federal University, Rostov-on-Don, 344090, Russia
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15
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Song W, Shao H, Zheng A, Zhao L, Xu Y. Advances in Roles of Salicylic Acid in Plant Tolerance Responses to Biotic and Abiotic Stresses. PLANTS (BASEL, SWITZERLAND) 2023; 12:3475. [PMID: 37836215 PMCID: PMC10574961 DOI: 10.3390/plants12193475] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 09/25/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023]
Abstract
A multitude of biotic and abiotic stress factors do harm to plants by bringing about diseases and inhibiting normal growth and development. As a pivotal signaling molecule, salicylic acid (SA) plays crucial roles in plant tolerance responses to both biotic and abiotic stresses, thereby maintaining plant normal growth and improving yields under stress. In view of this, this paper mainly discusses the role of SA in both biotic and abiotic stresses of plants. SA regulates the expression of genes involved in defense signaling pathways, thus enhancing plant immunity. In addition, SA mitigates the negative effects of abiotic stresses, and acts as a signaling molecule to induce the expression of stress-responsive genes and the synthesis of stress-related proteins. In addition, SA also improves certain yield-related photosynthetic indexes, thereby enhancing crop yield under stress. On the other hand, SA acts with other signaling molecules, such as jasmonic acid (JA), auxin, ethylene (ETH), and so on, in regulating plant growth and improving tolerance under stress. This paper reviews recent advances in SA's roles in plant stress tolerance, so as to provide theoretical references for further studies concerning the decryption of molecular mechanisms for SA's roles and the improvement of crop management under stress.
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Affiliation(s)
- Weiyi Song
- School of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China; (W.S.); (A.Z.); (L.Z.); (Y.X.)
- Key Laboratory on Agricultural Microorganism Resources Development of Shangqiu, Shangqiu 476000, China
| | - Hongbo Shao
- Jiangsu Key Laboratory for Bioresources of Saline Soils, Jiangsu Synthetic Innovation Center for Coastal Bio-Agriculture, Yancheng Teachers University, Yancheng 224002, China
- Salt-Soil Agricultural Center, Institute of Agricultural Resources and Environment, Jiangsu Academy of Agriculture Sciences (JAAS), Nanjing 210014, China
| | - Aizhen Zheng
- School of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China; (W.S.); (A.Z.); (L.Z.); (Y.X.)
- Key Laboratory on Agricultural Microorganism Resources Development of Shangqiu, Shangqiu 476000, China
| | - Longfei Zhao
- School of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China; (W.S.); (A.Z.); (L.Z.); (Y.X.)
- Key Laboratory on Agricultural Microorganism Resources Development of Shangqiu, Shangqiu 476000, China
| | - Yajun Xu
- School of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China; (W.S.); (A.Z.); (L.Z.); (Y.X.)
- Key Laboratory on Agricultural Microorganism Resources Development of Shangqiu, Shangqiu 476000, China
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