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Hosseini N, Mostafavi H, Sadeghi SMM. Impact of climate change on the future distribution of three Ferulago species in Iran using the MaxEnt model. INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT 2024; 20:1046-1059. [PMID: 38334016 DOI: 10.1002/ieam.4898] [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: 08/02/2023] [Revised: 01/09/2024] [Accepted: 01/15/2024] [Indexed: 02/10/2024]
Abstract
The decline of habitats supporting medicinal plants is a consequence of climate change and human activities. In the Middle East, Ferulago angulata, Ferulago carduchorum, and Ferulago phialocarpa are widely recognized for their culinary, medicinal, and economic value. Therefore, this study models these Ferulago species in Iran using the MaxEnt model under two representative concentration pathways (RCP4.5 and RCP8.5) for 2050 and 2070. The objective was to identify the most important bioclimatic (n = 6), edaphic (n = 4), and topographic (n = 3) variables influencing their distribution and predict changes under various climate scenarios. Findings reveal slope percentage as the most significant variable for F. angulata and F. carduchorum, while solar radiation was the primary variable for F. phialocarpa. MaxEnt modeling demonstrated good to excellent performance, as indicated by all the area under the curve values exceeding 0.85. Projections suggest negative area changes for F. angulata and F. carduchorum (i.e., predictions under RCP4.5 for 2050 and 2070 indicate -34.0% and -37.8% for F. phialocarpa, and -0.3% and -6.2% for F. carduchorum; additionally, predictions under RCP 8.5 for 2050 and 2070 show -39.0% and -52.2% for F. phialocarpa, and -1.33% and -9.8% for F. carduchorum), while for F. phialocarpa, a potential habitat increase (i.e., predictions under RCP4.5 for 2050 and 2070 are 23.4% and 11.2%, and under RCP 8.5 for 2050 and 2070 are 64.4% and 42.1%) is anticipated. These insights guide adaptive management strategies, emphasizing conservation and sustainable use amid global climate change. Special attention should be paid to F. angulata and F. carduchorum due to anticipated habitat loss. Integr Environ Assess Manag 2024;20:1046-1059. © 2024 SETAC.
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Affiliation(s)
- Naser Hosseini
- Department of Medicinal Plants, Faculty of Agriculture and Natural Resources, Arak University, Arak, Iran
| | - Hossein Mostafavi
- Department of Biodiversity and Ecosystem Management, Environmental Sciences Research Institute, Shahid Beheshti University, Tehran, Iran
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Su Y, Ngea GLN, Wang K, Lu Y, Godana EA, Ackah M, Yang Q, Zhang H. Deciphering the mechanism of E3 ubiquitin ligases in plant responses to abiotic and biotic stresses and perspectives on PROTACs for crop resistance. PLANT BIOTECHNOLOGY JOURNAL 2024. [PMID: 38864414 DOI: 10.1111/pbi.14407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 05/12/2024] [Accepted: 05/27/2024] [Indexed: 06/13/2024]
Abstract
With global climate change, it is essential to find strategies to make crops more resistant to different stresses and guarantee food security worldwide. E3 ubiquitin ligases are critical regulatory elements that are gaining importance due to their role in selecting proteins for degradation in the ubiquitin-proteasome proteolysis pathway. The role of E3 Ub ligases has been demonstrated in numerous cellular processes in plants responding to biotic and abiotic stresses. E3 Ub ligases are considered a class of proteins that are difficult to control by conventional inhibitors, as they lack a standard active site with pocket, and their biological activity is mainly due to protein-protein interactions with transient conformational changes. Proteolysis-targeted chimeras (PROTACs) are a new class of heterobifunctional molecules that have emerged in recent years as relevant alternatives for incurable human diseases like cancer because they can target recalcitrant proteins for destruction. PROTACs interact with the ubiquitin-proteasome system, principally the E3 Ub ligase in the cell, and facilitate proteasome turnover of the proteins of interest. PROTAC strategies harness the essential functions of E3 Ub ligases for proteasomal degradation of proteins involved in dysfunction. This review examines critical advances in E3 Ub ligase research in plant responses to biotic and abiotic stresses. It highlights how PROTACs can be applied to target proteins involved in plant stress response to mitigate pathogenic agents and environmental adversities.
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Affiliation(s)
- Yingying Su
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Guillaume Legrand Ngolong Ngea
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
- Institute of Fisheries Sciences, University of Douala, Douala, Cameroon
| | - Kaili Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Yuchun Lu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Esa Abiso Godana
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Michael Ackah
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Qiya Yang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Hongyin Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
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Qi Z, Tian L, Zhang H, Zhou X, Lei Y, Tang F. Mycobiome mediates the interaction between environmental factors and mycotoxin contamination in wheat grains. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 928:172494. [PMID: 38631642 DOI: 10.1016/j.scitotenv.2024.172494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 04/11/2024] [Accepted: 04/12/2024] [Indexed: 04/19/2024]
Abstract
Environmental factors significantly impact grain mycobiome assembly and mycotoxin contamination. However, there is still a lack of understanding regarding the wheat mycobiome and the role of fungal communities in the interaction between environmental factors and mycotoxins. In this study, we collected wheat grain samples from 12 major wheat-producing provinces in China during both the harvest and storage periods. Our aim was to evaluate the mycobiomes in wheat samples with varying deoxynivalenol (DON) contamination levels and to confirm the correlation between environmental factors, the wheat mycobiome, and mycotoxins. The results revealed significant differences in the wheat mycobiome and co-occurrence network between contaminated and uncontaminated wheat samples. Fusarium was identified as the main differential taxon responsible for inducing DON contamination in wheat. Correlation analysis identified key factors affecting mycotoxin contamination. The results indicate that both environmental factors and the wheat mycobiome play significant roles in the production and accumulation of DON. Environmental factors can affect the wheat mycobiome assembly, and wheat mycobiome mediates the interaction between environmental factors and mycotoxin contamination. Furthermore, a random forest (RF) model was developed using key biological indicators and environmental features to predict DON contamination in wheat with accuracies exceeding 90 %. The findings provide data support for the accurate prediction of mycotoxin contamination and lay the foundation for the research on biological control technologies of mycotoxin through the assembly of synthetic microbial communities.
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Affiliation(s)
- Zhihui Qi
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, PR China; National Engineering Research Center of Grain Storage and Logistics, Beijing 102209, PR China
| | - Lin Tian
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, PR China; National Engineering Research Center of Grain Storage and Logistics, Beijing 102209, PR China
| | - Haiyang Zhang
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, PR China; National Engineering Research Center of Grain Storage and Logistics, Beijing 102209, PR China
| | - Xin Zhou
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China; College of Life Science, University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Yuqing Lei
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, PR China; National Engineering Research Center of Grain Storage and Logistics, Beijing 102209, PR China
| | - Fang Tang
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, PR China; National Engineering Research Center of Grain Storage and Logistics, Beijing 102209, PR China.
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Choudhary A, Senthil-Kumar M. Drought: A context-dependent damper and aggravator of plant diseases. PLANT, CELL & ENVIRONMENT 2024; 47:2109-2126. [PMID: 38409868 DOI: 10.1111/pce.14863] [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: 09/24/2023] [Revised: 02/04/2024] [Accepted: 02/10/2024] [Indexed: 02/28/2024]
Abstract
Drought dynamically influences the interactions between plants and pathogens, thereby affecting disease outbreaks. Understanding the intricate mechanistic aspects of the multiscale interactions among plants, pathogens, and the environment-known as the disease triangle-is paramount for enhancing the climate resilience of crop plants. In this review, we systematically compile and comprehensively analyse current knowledge on the influence of drought on the severity of plant diseases. We emphasise that studying these stresses in isolation is not sufficient to predict how plants respond to combined stress from both drought and pathogens. The impact of drought and pathogens on plants is complex and multifaceted, encompassing the activation of antagonistic signalling cascades in response to stress factors. The nature, intensity, and temporality of drought and pathogen stress occurrence significantly influence the outcome of diseases. We delineate the drought-sensitive nodes of plant immunity and highlight the emerging points of crosstalk between drought and defence signalling under combined stress. The limited mechanistic understanding of these interactions is acknowledged as a key research gap in this area. The information synthesised herein will be crucial for crafting strategies for the accurate prediction and mitigation of future crop disease risks, particularly in the context of a changing climate.
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Pathak HK, Chauhan PK, Seth CS, Dubey G, Upadhyay SK. Mechanistic and future prospects in rhizospheric engineering for agricultural contaminants removal, soil health restoration, and management of climate change stress. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172116. [PMID: 38575037 DOI: 10.1016/j.scitotenv.2024.172116] [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: 01/28/2024] [Revised: 03/28/2024] [Accepted: 03/28/2024] [Indexed: 04/06/2024]
Abstract
Climate change, food insecurity, and agricultural pollution are all serious challenges in the twenty-first century, impacting plant growth, soil quality, and food security. Innovative techniques are required to mitigate these negative outcomes. Toxic heavy metals (THMs), organic pollutants (OPs), and emerging contaminants (ECs), as well as other biotic and abiotic stressors, can all affect nutrient availability, plant metabolic pathways, agricultural productivity, and soil-fertility. Comprehending the interactions between root exudates, microorganisms, and modified biochar can aid in the fight against environmental problems such as the accumulation of pollutants and the stressful effects of climate change. Microbes can inhibit THMs uptake, degrade organic pollutants, releases biomolecules that regulate crop development under drought, salinity, pathogenic attack and other stresses. However, these microbial abilities are primarily demonstrated in research facilities rather than in contaminated or stressed habitats. Despite not being a perfect solution, biochar can remove THMs, OPs, and ECs from contaminated areas and reduce the impact of climate change on plants. We hypothesized that combining microorganisms with biochar to address the problems of contaminated soil and climate change stress would be effective in the field. Despite the fact that root exudates have the potential to attract selected microorganisms and biochar, there has been little attention paid to these areas, considering that this work addresses a critical knowledge gap of rhizospheric engineering mediated root exudates to foster microbial and biochar adaptation. Reducing the detrimental impacts of THMs, OPs, ECs, as well as abiotic and biotic stress, requires identifying the best root-associated microbes and biochar adaptation mechanisms.
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Affiliation(s)
- Himanshu K Pathak
- Department of Environmental Science, V.B.S. Purvanchal University, Jaunpur 222003, India
| | - Prabhat K Chauhan
- Department of Environmental Science, V.B.S. Purvanchal University, Jaunpur 222003, India
| | | | - Gopal Dubey
- 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.
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Díaz-Torres O, Los Cobos EOVD, Kreft JU, Loge FJ, Díaz-Vázquez D, Mahlknecht J, Gradilla-Hernández MS, Senés-Guerrero C. A metagenomic study of antibiotic resistance genes in a hypereutrophic subtropical lake contaminated by anthropogenic sources. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172216. [PMID: 38583614 DOI: 10.1016/j.scitotenv.2024.172216] [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: 01/02/2024] [Revised: 03/18/2024] [Accepted: 04/02/2024] [Indexed: 04/09/2024]
Abstract
Antibiotic resistance genes (ARGs) are a major threat to human and environmental health. This study investigated the occurrence and distribution of ARGs in Lake Cajititlán, a hypereutrophic subtropical lake in Mexico contaminated by anthropogenic sources (urban wastewater and runoff from crop and livestock production). ARGs (a total of 475 genes) were detected in 22 bacterial genera, with Pseudomonas (144 genes), Stenotrophomonas (88 genes), Mycobacterium (54 genes), and Rhodococcus (27 genes) displaying the highest frequencies of ARGs. Among these, Pseudomonas aeruginosa and Stenotrophomonas maltophilia showed the highest number of ARGs. The results revealed a diverse array of ARGs, including resistance to macrolides (11.55 %), aminoglycosides (8.22 %), glycopeptides (6.22 %), tetracyclines (4 %), sulfonamides (4 %), carbapenems (1.11 %), phenicols (0.88 %), fluoroquinolones (0.44 %), and lincosamides (0.22 %). The most frequently observed ARGs were associated with multidrug resistance (63.33 %), with MexF (42 genes), MexW (36 genes), smeD (31 genes), mtrA (25 genes), and KHM-1 (22 genes) being the most common. Lake Cajititlán is a recreational area for swimming, fishing, and boating, while also supporting irrigation for agriculture and potentially acting as a drinking water source for some communities. This raises concerns about the potential for exposure to antibiotic-resistant bacteria through these activities. The presence of ARGs in Lake Cajititlán poses a significant threat to both human and environmental health. Developing strategies to mitigate the risks of antibiotic resistance, including improving wastewater treatment, and promoting strategic antibiotic use and disposal, is crucial. This study represents a significant advancement in the understanding of antibiotic resistance dynamics in a hypereutrophic subtropical lake in a developing country, providing valuable insights for the scientific community and policymakers.
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Affiliation(s)
- Osiris Díaz-Torres
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Laboratorio de Sostenibilidad y Cambio Climático, Av. General Ramon Corona 2514, Nuevo México, Zapopan, CP, 45138 Jalisco, México.
| | - Eric Oswaldo Valencia-de Los Cobos
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Laboratorio de Sostenibilidad y Cambio Climático, Av. General Ramon Corona 2514, Nuevo México, Zapopan, CP, 45138 Jalisco, México
| | - Jan-Ulrich Kreft
- Institute of Microbiology and Infection & School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Frank J Loge
- Department of Civil and Environmental Engineering, University of California Davis, One Shields Avenue, Davis, CA 95616, USA; Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Sada 2501 Sur, Monterrey, N.L. 64849, Mexico
| | - Diego Díaz-Vázquez
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Laboratorio de Sostenibilidad y Cambio Climático, Av. General Ramon Corona 2514, Nuevo México, Zapopan, CP, 45138 Jalisco, México
| | - Jürgen Mahlknecht
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Sada 2501 Sur, Monterrey, N.L. 64849, Mexico
| | - Misael Sebastián Gradilla-Hernández
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Laboratorio de Sostenibilidad y Cambio Climático, Av. General Ramon Corona 2514, Nuevo México, Zapopan, CP, 45138 Jalisco, México.
| | - Carolina Senés-Guerrero
- Tecnologico de Monterrey, Escuela de Ingenieria y Ciencias, Laboratorio de Sostenibilidad y Cambio Climático, Av. General Ramon Corona 2514, Nuevo México, Zapopan, CP, 45138 Jalisco, México.
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Jernej L, Frost DSM, Walker AS, Liu J, Fefer M, Plaetzer K. Photodynamic Inactivation in agriculture: combating fungal phytopathogens resistant to conventional treatment. Photochem Photobiol Sci 2024; 23:1117-1128. [PMID: 38750328 DOI: 10.1007/s43630-024-00579-6] [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: 02/02/2024] [Accepted: 04/13/2024] [Indexed: 06/18/2024]
Abstract
Botrytis cinerea is a severe threat in agriculture, as it can infect over 200 different crop species with gray mold affecting food yields and quality. The conventional treatment using fungicides lead to emerging resistance over the past decades. Here, we introduce Photodynamic Inactivation (PDI) as a strategy to combat B. cinerea infections, independent of fungicide resistance. PDI uses photoactive compounds, which upon illumination create reactive oxygen species toxic for killing target organisms. This study focuses on different formulations of sodium-magnesium-chlorophyllin (Chl, food additive E140) as photoactive compound in combination with EDTA disodium salt dihydrate (Na2EDTA) as cell-wall permeabilizer and a surfactant. In an in vitro experiment, three different photosensitizers (PS) with varying Chl and Na2EDTA concentrations were tested against five B. cinerea strains with different resistance mechanisms. We showed that all B. cinerea mycelial spheres of all tested strains were eradicated with concentrations as low as 224 µM Chl and 3.076 mM Na2EDTA (LED illumination with main wavelength of 395 nm, radiant exposure 106 J cm-2). To further test PDI as a Botrytis treatment strategy in agriculture a greenhouse trial was performed on B. cinerea infected bell pepper plants (Capsicum annum L). Two different rates (560 or 1120 g Ha-1) of PS formulation (0.204 M Chl and 1.279 M Na2EDTA) and a combination of PS formulation with 0.05% of the surfactant BRIJ L4 (560 g Ha-1) were applied weekly for 4 weeks by spray application. Foliar lesions, percentage of leaves affected, percentage of leaf area diseased and AUDPC were significantly reduced, while percentage of marketable plants were increased by all treatments compared to a water treated control, however, did not statistically differ from each other. No phytotoxicity was observed in any treatment. These results add to the proposition of employing PDI with the naturally sourced PS Chl in agricultural settings aimed at controlling B. cinerea disease. This approach seems to be effective regardless of the evolving resistance mechanisms observed in response to conventional antifungal treatments.
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Affiliation(s)
- Linda Jernej
- Laboratory of Photodynamic Inactivation of Microorganisms, Department of Biosciences and Medical Biology, Paris Lodron University Salzburg, Salzburg, Austria
| | | | | | - Jun Liu
- Suncor AgroScience, Mississauga, ON, Canada
| | | | - Kristjan Plaetzer
- Laboratory of Photodynamic Inactivation of Microorganisms, Department of Biosciences and Medical Biology, Paris Lodron University Salzburg, Salzburg, Austria.
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Sahın Demırel AN. Investigating the effect of climate factors on fig production efficiency with machine learning approach. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024. [PMID: 38817196 DOI: 10.1002/jsfa.13619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/08/2024] [Accepted: 05/12/2024] [Indexed: 06/01/2024]
Abstract
BACKGROUND This study employs a machine learning approach to investigate the impact of climate change on fig production in Turkey. The eXtreme Gradient Boosting (XGBoost) algorithm is used to analyze production performance and climate variable data from 1988 to 2023. Fig production is a significant component of Turkey's agricultural economy. Therefore, understanding how climate change affects fig production is essential for the development of sustainable agricultural practices. RESULTS Despite an observed increase in fig production between 2005 and 2020, potential yield may be negatively impacted by climate variables. Identifying the specific climatic factors affecting fig production efficiency remains a challenge. In the study, two different machine learning models are created: one for fig production yield per decare and another for fig production yield per bearing fig sapling. Eight climate variables (16 variables considering day and night values) serve as independent variables in the models. The models reveal that temperature change has the highest impact, with a percentage contribution of 41.30% in the first model and 43.90% in the second model. Thermal radiation (day and night) and 2 m temperature also significantly affect individually fig production. Wind speed, precipitation and humidity contribute to a lesser extent. CONCLUSION This study illuminates the intricate interrelationship between climate change and fig production in Turkey. The utilization of machine learning as a predictive tool for future production trends and an instrument for informing agricultural practices is a valuable contribution to the field. © 2024 The Author(s). Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Ayca Nur Sahın Demırel
- Faculty of Agriculture, Department of Agricultural Economics, Iğdır University, Iğdır, Turkey
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Nagdalian A, Blinov A, Gvozdenko A, Golik A, Rekhman Z, Rzhepakovsky I, Kolesnikov R, Avanesyan S, Blinova A, Pirogov M, Leontev P, Askerova A, Tsykin E, Shariati MA. Effect of MnO 2 Nanoparticles Stabilized with Cocamidopropyl Betaine on Germination and Development of Pea ( Pisum sativum L.) Seedlings. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:959. [PMID: 38869584 PMCID: PMC11174102 DOI: 10.3390/nano14110959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 05/21/2024] [Accepted: 05/28/2024] [Indexed: 06/14/2024]
Abstract
This study aimed to synthesize, characterize, and evaluate the effect of cocamidopropyl betaine-stabilized MnO2 nanoparticles (NPs) on the germination and development of pea seedlings. The synthesized NPs manifested as aggregates ranging from 50-600 nm, comprising spherical particles sized between 19 to 50 nm. These particles exhibited partial crystallization, indicated by peaks at 2θ = 25.37, 37.62, 41.18, 49.41, 61.45, and 65.79°, characteristic of MnO2 with a tetragonal crystal lattice with a I4/m spatial group. Quantum chemical modelling showed that the stabilization process of MnO2 NPs with cocamidopropyl betaine is energetically advantageous (∆E > 1299.000 kcal/mol) and chemically stable, as confirmed by the positive chemical hardness values (0.023 ≤ η ≤ 0.053 eV). It was revealed that the interaction between the MnO2 molecule and cocamidopropyl betaine, facilitated by a secondary amino group (NH), is the most probable scenario. This ascertain is supported by the values of the difference in total energy (∆E = 1299.519 kcal/mol) and chemical hardness (η = 0.053 eV). These findings were further confirmed using FTIR spectroscopy. The effect of MnO2 NPs at various concentrations on the germination of pea seeds was found to be nonlinear and ambiguous. The investigation revealed that MnO2 NPs at a concentration of 0.1 mg/L resulted in the highest germination energy (91.25%), germinability (95.60%), and lengths of roots and seedlings among all experimental samples. However, an increase in the concentration of preparation led to a slight growth suppression (1-10 mg/L) and the pronounced inhibition of seedling and root development (100 mg/L). The analysis of antioxidant indicators and phytochemicals in pea seedlings indicated that only 100 mg/L MnO2 NPs have a negative effect on the content of soluble sugars, chlorophyll a/b, carotenoids, and phenols. Conversely, lower concentrations showed a stimulating effect on photosynthesis indicators. Nevertheless, MnO2 NPs at all concentrations generally decreased the antioxidant potential of pea seedlings, except for the ABTS parameter. Pea seedlings showed a notable capacity to absorb Mn, reaching levels of 586.5 μg/L at 10 mg/L and 892.6 μg/L at 100 mg/L MnO2 NPs, surpassing the toxic level for peas according to scientific literature. However, the most important result was the observed growth-stimulating activity at 0.1 mg/L MnO2 NPs stabilized with cocamidopropyl betaine, suggesting a promising avenue for further research.
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Affiliation(s)
- Andrey Nagdalian
- Laboratory of Food and Industrial Biotechnology, Faculty of Food Engineering and Biotechnology, North Caucasus Federal University, 355017 Stavropol, Russia; (A.A.)
| | - Andrey Blinov
- Department of Physics and Technology of Nanostructures and Materials, Physical and Technical Faculty, North Caucasus Federal University, 355017 Stavropol, Russia; (A.B.); (A.G.); (A.G.); (Z.R.); (A.B.); (M.P.); (P.L.)
| | - Alexey Gvozdenko
- Department of Physics and Technology of Nanostructures and Materials, Physical and Technical Faculty, North Caucasus Federal University, 355017 Stavropol, Russia; (A.B.); (A.G.); (A.G.); (Z.R.); (A.B.); (M.P.); (P.L.)
| | - Alexey Golik
- Department of Physics and Technology of Nanostructures and Materials, Physical and Technical Faculty, North Caucasus Federal University, 355017 Stavropol, Russia; (A.B.); (A.G.); (A.G.); (Z.R.); (A.B.); (M.P.); (P.L.)
| | - Zafar Rekhman
- Department of Physics and Technology of Nanostructures and Materials, Physical and Technical Faculty, North Caucasus Federal University, 355017 Stavropol, Russia; (A.B.); (A.G.); (A.G.); (Z.R.); (A.B.); (M.P.); (P.L.)
| | - Igor Rzhepakovsky
- Interdepartmental Scientific and Educational Laboratory of Experimental Immunomorphology, Immunopathology and Immunobiotechnology, Faculty of Medicine and Biology, North Caucasus Federal University, 355017 Stavropol, Russia; (I.R.); (S.A.)
| | - Roman Kolesnikov
- Scientific Department, Saints Petersburg State Agrarian University, 190005 Pushkin, Russia;
| | - Svetlana Avanesyan
- Interdepartmental Scientific and Educational Laboratory of Experimental Immunomorphology, Immunopathology and Immunobiotechnology, Faculty of Medicine and Biology, North Caucasus Federal University, 355017 Stavropol, Russia; (I.R.); (S.A.)
| | - Anastasiya Blinova
- Department of Physics and Technology of Nanostructures and Materials, Physical and Technical Faculty, North Caucasus Federal University, 355017 Stavropol, Russia; (A.B.); (A.G.); (A.G.); (Z.R.); (A.B.); (M.P.); (P.L.)
| | - Maxim Pirogov
- Department of Physics and Technology of Nanostructures and Materials, Physical and Technical Faculty, North Caucasus Federal University, 355017 Stavropol, Russia; (A.B.); (A.G.); (A.G.); (Z.R.); (A.B.); (M.P.); (P.L.)
| | - Pavel Leontev
- Department of Physics and Technology of Nanostructures and Materials, Physical and Technical Faculty, North Caucasus Federal University, 355017 Stavropol, Russia; (A.B.); (A.G.); (A.G.); (Z.R.); (A.B.); (M.P.); (P.L.)
| | - Alina Askerova
- Laboratory of Food and Industrial Biotechnology, Faculty of Food Engineering and Biotechnology, North Caucasus Federal University, 355017 Stavropol, Russia; (A.A.)
| | - Evgeniy Tsykin
- Laboratory of Food and Industrial Biotechnology, Faculty of Food Engineering and Biotechnology, North Caucasus Federal University, 355017 Stavropol, Russia; (A.A.)
| | - Mohammad Ali Shariati
- Semey Branch of Kazakh Research Institute of Processing and Food Industry, Almaty 050060, Kazakhstan
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Zhao B, Liu J, Zhao Y, Geng S, Zhao R, Li J, Cao Z, Liu Y, Dong J. FvOshC Is a Key Global Regulatory Target in Fusarium verticillioides for Fumonisin Biosynthesis and Disease Control. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024. [PMID: 38805181 DOI: 10.1021/acs.jafc.4c01953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Fusarium verticillioides has a substantial impact on maize production, commonly leading to maize ear rot and the production of fumonisin, a mycotoxin that poses health risks to both humans and animals. Currently, there is a lack of molecular targets for preventing the disease and controlling the toxin. The biological functions of oxysterol-binding proteins (OSBP) in filamentous fungi remain unclear. In this research, 7 oxysterol-binding protein-related proteins were identified in F. verticillioides, and these proteins were obtained through prokaryotic expression and purification. FvOshC was identified as the specific protein that binds to ergosterol through fluorescence titration. Gene knockout complementation techniques confirmed that FvOSHC plays a positive role, establishing it as a novel global regulatory protein involved in the pathogenicity and FB1 biosynthesis in F. verticillioides. Additionally, the interaction between FvOshC and FvSec14 was identified using yeast two-hybrid techniques. Moreover, computer-aided drug design technology was utilized to identify the receptor molecule Xanthatin based on FvOshC. The inhibitory effect of Xanthatin on the growth of F. verticillioides and the synthesis of FB1 was significantly demonstrated. These findings provide valuable insights that can aid in the management of mycotoxin pollution.
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Affiliation(s)
- Bin Zhao
- State Key Laboratory of North China Crop Improvement and Regulation, College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Jing Liu
- State Key Laboratory of North China Crop Improvement and Regulation, College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Yuwei Zhao
- State Key Laboratory of North China Crop Improvement and Regulation, College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Shan Geng
- State Key Laboratory of North China Crop Improvement and Regulation, College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Ruixue Zhao
- State Key Laboratory of North China Crop Improvement and Regulation, College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Jiaqi Li
- State Key Laboratory of North China Crop Improvement and Regulation, College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Zhiyan Cao
- State Key Laboratory of North China Crop Improvement and Regulation, College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Yingchao Liu
- State Key Laboratory of North China Crop Improvement and Regulation, College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Jingao Dong
- State Key Laboratory of North China Crop Improvement and Regulation, College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
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11
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Iqbal O, Syed RN, Rajput NA, Wang Y, Lodhi AM, Khan R, Jibril SM, Atiq M, Li C. Antagonistic activity of two Bacillus strains against Fusarium oxysporum f. sp. capsici ( FOC-1) causing Fusarium wilt and growth promotion activity of chili plant. Front Microbiol 2024; 15:1388439. [PMID: 38860216 PMCID: PMC11163047 DOI: 10.3389/fmicb.2024.1388439] [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: 02/19/2024] [Accepted: 05/06/2024] [Indexed: 06/12/2024] Open
Abstract
Fusarium oxysporum f. sp. capsici (Foc) poses a significant position in agriculture that has a negative impact on chili plant in terms of growth, fruit quality, and yield. Biological control is one of the promising strategies to control this pathogen in crops. Chili is considered as one of the most important crops in the Hyderabad region that is affected by Fusarium wilt disease. The pathogen was isolated from the infected samples in the region and was confirmed by morphological characteristics and PCR with a band of 488 bp. The bacterial strains were isolated from the rhizosphere soil of healthy plant and also confirmed by PCR with a band of 1,542 bp.The molecular characterization of the fungal and bacterial strain has shown 99.9% homology with the retrieved sequences of Fusarium oxysporum f. sp. capsici and Bacillus subtilis from NCBI. The 1-month-old Ghotki chili plants were inoculated with 1×105 cfu spore/ml-1 suspension and confirmed that the FOC-1 is responsible for chili Fusarium wilt disease. Subsequently, among the 33 screened Bacillus strains, only 11 showed antagonistic activity against F. oxysporum. Out of these, only two strains (AM13 and AM21) have shown maximum antagonistic activity against the pathogen by reducing the infection and promoting growth parameters of chili plants under both in vitro and greenhouse conditions. The study suggested that biological control is the most promising control strategy for the management of Fusarium wilt of chili in the field.
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Affiliation(s)
- Owais Iqbal
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, Yunnan, China
- Yunnan-CABI Joint Laboratory for Integrated Prevention and Control of Transboundary Pests, Yunnan Agricultural University, Kunming, Yunnan, China
| | - Rehana Naz Syed
- Department of Plant Protection, Faculty of Crop Protection, Sindh Agriculture University, Tando Jam, Pakistan
| | - Nasir Ahmed Rajput
- Department of Plant Pathology, University of Agriculture, Faisalabad, Faisalabad, Pakistan
| | - Yi Wang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, Yunnan, China
- Yunnan-CABI Joint Laboratory for Integrated Prevention and Control of Transboundary Pests, Yunnan Agricultural University, Kunming, Yunnan, China
| | - Abdul Mubeen Lodhi
- Department of Plant Protection, Faculty of Crop Protection, Sindh Agriculture University, Tando Jam, Pakistan
| | - Rizwan Khan
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, Yunnan, China
| | - Sauban Musa Jibril
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, Yunnan, China
- Yunnan-CABI Joint Laboratory for Integrated Prevention and Control of Transboundary Pests, Yunnan Agricultural University, Kunming, Yunnan, China
| | - Muhammad Atiq
- Department of Plant Pathology, University of Agriculture, Faisalabad, Faisalabad, Pakistan
| | - Chengyun Li
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, Yunnan, China
- Yunnan-CABI Joint Laboratory for Integrated Prevention and Control of Transboundary Pests, Yunnan Agricultural University, Kunming, Yunnan, China
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12
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Isinkaye FO, Olusanya MO, Singh PK. Deep learning and content-based filtering techniques for improving plant disease identification and treatment recommendations: A comprehensive review. Heliyon 2024; 10:e29583. [PMID: 38737274 PMCID: PMC11088271 DOI: 10.1016/j.heliyon.2024.e29583] [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: 03/30/2024] [Accepted: 04/10/2024] [Indexed: 05/14/2024] Open
Abstract
The importance of identifying plant diseases has risen recently due to the adverse effect they have on agricultutal production. Plant diseases have been a big concern in agriculture, as they affect crop production, and constitute a major threat to global food security. In the domain of modern agriculture, effective plant disease management is vital to ensure healthy crop yields and sustainable practices. Traditional means of identifying plant disease are faced with lots of challenges and the need for better and efficient detection methods cannot be overemphazised. The emergence of advanced technologies, particularly deep learning and content-based filtering techniques, if integrated together can changed the way plant diseases are identified and treated. Such as speedy and correct identification of plant diseases and efficient treatment recommendations which are keys for sustainable food production. In this work, We try to investigate the current state of research, identified gaps and limitations in knowledge, and suggests future directions for researchers, experts and farmers that could help to provide better ways of mitigating plant disease problems.
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Affiliation(s)
- Folasade Olubusola Isinkaye
- Department of Computer Science and Information Technology, Sol Plaatje University Kimberley, 8301, South Africa
| | - Michael Olusoji Olusanya
- Department of Computer Science and Information Technology, Sol Plaatje University Kimberley, 8301, South Africa
| | - Pramod Kumar Singh
- Department of Computer Science and Engineering, ABV-Indian Institute of Information Technology and Management Gwalior, Gwalior, 474015, MP, India
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13
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Nawaz R, Ghani A, Nadeem M, Abbas T, Shah AA, Shaffique S, Elansary HO, Moussa IM. Comparative mineral and biochemical characterization of Citrus reticulata fruits and leaves to citrus canker pathogens, Xanthomonas axonopodis. BMC PLANT BIOLOGY 2024; 24:378. [PMID: 38724893 PMCID: PMC11084029 DOI: 10.1186/s12870-024-05075-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 04/26/2024] [Indexed: 05/12/2024]
Abstract
Pakistan's economy greatly benefits from citrus production since these fruits are sold and consumed all over the world. Although citrus fruits are easy to cultivate, they are susceptible to diseases caused by bacteria, viruses, and fungi. These challenges, as well as difficulties in obtaining the proper nutrients, might negatively impact fruit yields and quality. Citrus canker is another complicated problem caused by the germ Xanthomonas axonopodis. This germ affects many types of citrus fruits all over the world. This study looked closely at how citrus canker affects the leaves and the quality of the fruit in places like Sargodha, Bhalwal, Kotmomin, and Silanwali, which are big areas for growing citrus in the Sargodha district. What we found was that plants without the disease had more chlorophyll in their leaves compared to the sick plants. Also, the healthy plants had better amounts of important minerals like calcium, magnesium, potassium, and phosphorus in their fruits. But the fruits with the disease had too much sodium, and the iron levels were a bit different. The fruits with the disease also didn't have as much of something that protects them called antioxidants, which made them more likely to get sick. This study helps us understand how citrus canker affects plants and fruit, so we can think of ways to deal with it.
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Affiliation(s)
- Rab Nawaz
- Department of Botany, University of Sargodha, Sargodha, Pakistan.
| | - Abdul Ghani
- Department of Botany, University of Sargodha, Sargodha, Pakistan
| | - Muhammad Nadeem
- Institute of Food Science &Nutrition, University of Sargodha, Sargodha, Pakistan
| | - Toqeer Abbas
- Department of Botany, University of Sargodha, Sargodha, Pakistan
| | - Anis Ali Shah
- Department of Botany, Division of Science and Technology, University of Education, Lahore, Punjab, Pakistan
| | - Shifa Shaffique
- College of Agriculture & Life Science, School of Applied Biosciences, Kyungpook National University, 80 Daehak-ro, Buk-Gu, Daegu, 41566, Korea
| | - Hosam O Elansary
- Plant Production Department, College of Food & Agriculture Sciences, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Ihab Mohamed Moussa
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
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14
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Pugliese M, Gilardi G, Garibaldi A, Gullino ML. The Impact of Climate Change on Vegetable Crop Diseases and Their Management: The Value of Phytotron Studies for the Agricultural Industry and Associated Stakeholders. PHYTOPATHOLOGY 2024; 114:843-854. [PMID: 38648074 DOI: 10.1094/phyto-08-23-0284-kc] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
Climate change is having a significant impact on global agriculture, particularly on vegetable crops, which play a critical role in global nutrition. Recently, increasing research has concentrated on the impact of climate change on vegetable crop diseases, with several studies being conducted in phytotrons, which have been used to explore the effects of increased temperatures and CO2 concentrations to simulate future scenarios. This review focuses on the combined effects of temperature and carbon dioxide increases on foliar and soilborne vegetable diseases, as evaluated under phytotron conditions. The influence of climate change on mycotoxin production and disease management strategies is also explored through case studies. The results offer valuable information that can be used to guide both seed and agrochemical industries, as well as to develop disease-resistant varieties and innovative control measures, including biocontrol agents, considering the diseases that are likely to become prevalent under future climatic scenarios. Recommendations on how to manage vegetable diseases under ongoing climate change are proposed to facilitate plants' adaptation to and enhanced against the changing conditions. A proactive and comprehensive response to climate-induced challenges in vegetable farming is imperative to ensure food security and sustainability.
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15
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Etherton BA, Choudhury RA, Alcalá Briseño RI, Mouafo-Tchinda RA, Plex Sulá AI, Choudhury M, Adhikari A, Lei SL, Kraisitudomsook N, Buritica JR, Cerbaro VA, Ogero K, Cox CM, Walsh SP, Andrade-Piedra JL, Omondi BA, Navarrete I, McEwan MA, Garrett KA. Disaster Plant Pathology: Smart Solutions for Threats to Global Plant Health from Natural and Human-Driven Disasters. PHYTOPATHOLOGY 2024; 114:855-868. [PMID: 38593748 DOI: 10.1094/phyto-03-24-0079-fi] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
Disaster plant pathology addresses how natural and human-driven disasters impact plant diseases and the requirements for smart management solutions. Local to global drivers of plant disease change in response to disasters, often creating environments more conducive to plant disease. Most disasters have indirect effects on plant health through factors such as disrupted supply chains and damaged infrastructure. There is also the potential for direct effects from disasters, such as pathogen or vector dispersal due to floods, hurricanes, and human migration driven by war. Pulse stressors such as hurricanes and war require rapid responses, whereas press stressors such as climate change leave more time for management adaptation but may ultimately cause broader challenges. Smart solutions for the effects of disasters can be deployed through digital agriculture and decision support systems supporting disaster preparedness and optimized humanitarian aid across scales. Here, we use the disaster plant pathology framework to synthesize the effects of disasters in plant pathology and outline solutions to maintain food security and plant health in catastrophic scenarios. We recommend actions for improving food security before and following disasters, including (i) strengthening regional and global cooperation, (ii) capacity building for rapid implementation of new technologies, (iii) effective clean seed systems that can act quickly to replace seed lost in disasters, (iv) resilient biosecurity infrastructure and risk assessment ready for rapid implementation, and (v) decision support systems that can adapt rapidly to unexpected scenarios. [Formula: see text] Copyright © 2024 The Author(s). This is an open access article distributed under the CC BY 4.0 International license.
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Affiliation(s)
- Berea A Etherton
- Plant Pathology Department, University of Florida, Gainesville, FL, U.S.A
- Global Food Systems Institute, University of Florida, Gainesville, FL, U.S.A
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, U.S.A
| | - Robin A Choudhury
- Plant Pathology Department, University of Florida, Gainesville, FL, U.S.A
- Global Food Systems Institute, University of Florida, Gainesville, FL, U.S.A
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, U.S.A
- School of Earth, Environmental, and Marine Sciences, University of Texas Rio Grande Valley, Edinburg, TX, U.S.A
| | - Ricardo I Alcalá Briseño
- Plant Pathology Department, University of Florida, Gainesville, FL, U.S.A
- Global Food Systems Institute, University of Florida, Gainesville, FL, U.S.A
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, U.S.A
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR, U.S.A
| | - Romaric A Mouafo-Tchinda
- Plant Pathology Department, University of Florida, Gainesville, FL, U.S.A
- Global Food Systems Institute, University of Florida, Gainesville, FL, U.S.A
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, U.S.A
| | - Aaron I Plex Sulá
- Plant Pathology Department, University of Florida, Gainesville, FL, U.S.A
- Global Food Systems Institute, University of Florida, Gainesville, FL, U.S.A
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, U.S.A
| | - Manoj Choudhury
- Plant Pathology Department, University of Florida, Gainesville, FL, U.S.A
- Global Food Systems Institute, University of Florida, Gainesville, FL, U.S.A
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, U.S.A
| | - Ashish Adhikari
- Plant Pathology Department, University of Florida, Gainesville, FL, U.S.A
- Global Food Systems Institute, University of Florida, Gainesville, FL, U.S.A
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, U.S.A
| | - Si Lin Lei
- Plant Pathology Department, University of Florida, Gainesville, FL, U.S.A
- Global Food Systems Institute, University of Florida, Gainesville, FL, U.S.A
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, U.S.A
| | - Nattapol Kraisitudomsook
- Plant Pathology Department, University of Florida, Gainesville, FL, U.S.A
- Global Food Systems Institute, University of Florida, Gainesville, FL, U.S.A
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, U.S.A
- Department of Biology, Faculty of Science and Technology, Muban Chombueng Rajabhat University, Chom Bueng, Ratchaburi, Thailand
| | - Jacobo Robledo Buritica
- Plant Pathology Department, University of Florida, Gainesville, FL, U.S.A
- Global Food Systems Institute, University of Florida, Gainesville, FL, U.S.A
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, U.S.A
| | - Vinicius A Cerbaro
- Department of Agricultural and Biological Engineering, University of Florida, Gainesville, FL, U.S.A
| | - Kwame Ogero
- International Potato Center (CIP), Mwanza, Tanzania
| | - Cindy M Cox
- USAID Bureau for Humanitarian Assistance, Washington, DC, U.S.A
| | - Stephen P Walsh
- USAID Bureau for Humanitarian Assistance, Washington, DC, U.S.A
| | | | | | | | - Margaret A McEwan
- International Potato Center (CIP) Africa Regional Office, Nairobi, Kenya
- Wageningen University and Research, Wageningen, the Netherlands
| | - Karen A Garrett
- Plant Pathology Department, University of Florida, Gainesville, FL, U.S.A
- Global Food Systems Institute, University of Florida, Gainesville, FL, U.S.A
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, U.S.A
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16
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Wu T. How can open public data promote efficient and equitable green production? Evidence from eco-efficiency in China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:35173-35193. [PMID: 38722519 DOI: 10.1007/s11356-024-33464-x] [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: 12/18/2023] [Accepted: 04/21/2024] [Indexed: 05/30/2024]
Abstract
Nowadays, concurrent attention to economic development and ecological issues is becoming an important trend. In this paper, we measure the eco-efficiency of 285 Chinese cities from 2003 to 2019 using a non-radial directional distance function and the data envelopment analysis method, based on which we analyze the club convergence of cities' eco-efficiency using the logt test; we estimate the impact of open public data platforms on eco-efficiency and its convergence using a multi-period difference in difference model and panel-ordered logit model, respectively. We find that, first, open public data platforms improve cities' eco-efficiency by about 6.5%, and the impact mechanisms include scale efficiency, technical efficiency, and total factor productivity, or, at the micro level, increasing the economic agglomeration degree, boosting the amount of foreign investment used, and increasing green innovation level. Second, there are three convergence clubs of eco-efficiency in China's cities, whose average eco-efficiency trends are above, close to, and below average, respectively. Third, public data platforms significantly increase the probability of cities belonging to the convergence clubs of high and medium eco-efficiency (Clubs 1 and 2) and decrease the probability of belonging to the low one (Club 3). However, the mechanisms only include technical efficiency and total factor productivity, or the amount of foreign investment used and the green innovation level at the micro level.
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Affiliation(s)
- Tielong Wu
- School of Applied Economics, Renmin University of China, No.59 Zhongguancun Street, Haidian District, Beijing, 100872, China.
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17
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Miller SA, Testen AL, Jacobs JM, Ivey MLL. Mitigating Emerging and Reemerging Diseases of Fruit and Vegetable Crops in a Changing Climate. PHYTOPATHOLOGY 2024; 114:917-929. [PMID: 38170665 DOI: 10.1094/phyto-10-23-0393-kc] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Fruit and vegetable crops are important sources of nutrition and income globally. Producing these high-value crops requires significant investment of often scarce resources, and, therefore, the risks associated with climate change and accompanying disease pressures are especially important. Climate change influences the occurrence and pressure of plant diseases, enabling new pathogens to emerge and old enemies to reemerge. Specific environmental changes attributed to climate change, particularly temperature fluctuations and intense rainfall events, greatly alter fruit and vegetable disease incidence and severity. In turn, fruit and vegetable microbiomes, and subsequently overall plant health, are also affected by climate change. Changing disease pressures cause growers and researchers to reassess disease management and climate change adaptation strategies. Approaches such as climate smart integrated pest management, smart sprayer technology, protected culture cultivation, advanced diagnostics, and new soilborne disease management strategies are providing new tools for specialty crops growers. Researchers and educators need to work closely with growers to establish fruit and vegetable production systems that are resilient and responsive to changing climates. This review explores the effects of climate change on specialty food crops, pathogens, insect vectors, and pathosystems, as well as adaptations needed to ensure optimal plant health and environmental and economic sustainability.
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Affiliation(s)
- Sally A Miller
- Department of Plant Pathology, The Ohio State University, Wooster, OH 44691
| | - Anna L Testen
- U.S. Department of Agriculture-Agricultural Research Service Application Technology Research Unit, Wooster, OH 44691
| | - Jonathan M Jacobs
- Department of Plant Pathology, The Ohio State University, Columbus, OH 43210
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18
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Parrilla M, Sena-Torralba A, Steijlen A, Morais S, Maquieira Á, De Wael K. A 3D-printed hollow microneedle-based electrochemical sensing device for in situ plant health monitoring. Biosens Bioelectron 2024; 251:116131. [PMID: 38367566 DOI: 10.1016/j.bios.2024.116131] [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: 12/18/2023] [Revised: 01/31/2024] [Accepted: 02/12/2024] [Indexed: 02/19/2024]
Abstract
Plant health monitoring is devised as a new concept to elucidate in situ physiological processes. The need for increased food production to nourish the growing global population is inconsistent with the dramatic impact of climate change, which hinders crop health and exacerbates plant stress. In this context, wearable sensors play a crucial role in assessing plant stress. Herein, we present a low-cost 3D-printed hollow microneedle array (HMA) patch as a sampling device coupled with biosensors based on screen-printing technology, leading to affordable analysis of biomarkers in the plant fluid of a leaf. First, a refinement of the 3D-printing method showed a tip diameter of 25.9 ± 3.7 μm with a side hole diameter on the microneedle of 228.2 ± 18.6 μm using an affordable 3D printer (<500 EUR). Notably, the HMA patch withstanded the forces exerted by thumb pressing (i.e. 20-40 N). Subsequently, the holes of the HMA enabled the fluid extraction tested in vitro and in vivo in plant leaves (i.e. 13.5 ± 1.1 μL). A paper-based sampling strategy adapted to the HMA allowed the collection of plant fluid. Finally, integrating the sampling device onto biosensors facilitated the in situ electrochemical analysis of plant health biomarkers (i.e. H2O2, glucose, and pH) and the electrochemical profiling of plants in five plant species. Overall, this electrochemical platform advances precise and versatile sensors for plant health monitoring. The wearable device can potentially improve precision farming practices, addressing the critical need for sustainable and resilient agriculture in changing environmental conditions.
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Affiliation(s)
- Marc Parrilla
- A-Sense Lab, University of Antwerp, Groenenborgerlaan 171, 2010, Antwerp, Belgium; NANOlab Center of Excellence, University of Antwerp, Groenenborgerlaan 171, 2010, Antwerp, Belgium.
| | - Amadeo Sena-Torralba
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera S/n, 46022, Valencia, Spain
| | - Annemarijn Steijlen
- A-Sense Lab, University of Antwerp, Groenenborgerlaan 171, 2010, Antwerp, Belgium; NANOlab Center of Excellence, University of Antwerp, Groenenborgerlaan 171, 2010, Antwerp, Belgium
| | - Sergi Morais
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera S/n, 46022, Valencia, Spain; Departamento de Química, Universitat Politècnica de València, Camino de Vera S/n, 46022, Valencia, Spain
| | - Ángel Maquieira
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, Camino de Vera S/n, 46022, Valencia, Spain; Departamento de Química, Universitat Politècnica de València, Camino de Vera S/n, 46022, Valencia, Spain
| | - Karolien De Wael
- A-Sense Lab, University of Antwerp, Groenenborgerlaan 171, 2010, Antwerp, Belgium; NANOlab Center of Excellence, University of Antwerp, Groenenborgerlaan 171, 2010, Antwerp, Belgium.
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19
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Liu Q, Li M, Dong X, Zuo C, Nie Z, Zhang Z, Han CG, Wang Y. Development of full-length infectious cDNA clones and host range identification of an echinacea strain of tobacco streak virus. Virology 2024; 593:110013. [PMID: 38373359 DOI: 10.1016/j.virol.2024.110013] [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: 11/25/2023] [Revised: 01/29/2024] [Accepted: 02/05/2024] [Indexed: 02/21/2024]
Abstract
Tobacco streak virus induces severe diseases on a wide range of plants and becomes an emerging threat to crop yields. However, the infectious clones of TSV remain to be developed for reverse genetics studies. Here, we obtained the full genome sequence of a TSV-CNB isolate and analyzed the phylogenetic characteristics. Subsequently, we developed the full-length infectious cDNA clones of TSV-CNB driven by 35 S promoter using yeast homologous recombination. Furthermore, the host range of TSV-CNB isolate was determined by Agrobacterium infiltration and mechanical inoculation. The results reveal that TSV-CNB can infect 10 plant species in 5 families including Glycine max, Vigna radiate, Lactuca sativa var. Ramosa, Dahlia pinnate, E. purpurea, Calendula officinalis, Helianthus annuus, Nicotiana. Benthamiana, Nicotiana tabacum and Chenopodium quinoa. Taken together, the TSV infectious clones will be a useful tool for future studies on viral pathogenesis and host-virus interactions.
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Affiliation(s)
- Qi Liu
- Ministry of Agriculture and Rural Affairs Key Laboratory of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Menglin Li
- Ministry of Agriculture and Rural Affairs Key Laboratory of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Xuanyu Dong
- Ministry of Agriculture and Rural Affairs Key Laboratory of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Chengxiao Zuo
- Ministry of Agriculture and Rural Affairs Key Laboratory of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Zhangyao Nie
- Ministry of Agriculture and Rural Affairs Key Laboratory of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Zongying Zhang
- Ministry of Agriculture and Rural Affairs Key Laboratory of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Cheng-Gui Han
- Ministry of Agriculture and Rural Affairs Key Laboratory of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, 100193, China
| | - Ying Wang
- Ministry of Agriculture and Rural Affairs Key Laboratory of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, 100193, China.
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Wu S, Shi J, Zheng Q, Ma Y, Zhou W, Mao C, Chen C, Fang Z, Xia R, Qiao Y. Phytophthora sojae Effector PsAvh113 Targets Transcription Factors in Nicotiana benthamiana. J Fungi (Basel) 2024; 10:318. [PMID: 38786673 PMCID: PMC11122517 DOI: 10.3390/jof10050318] [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: 03/24/2024] [Revised: 04/22/2024] [Accepted: 04/24/2024] [Indexed: 05/25/2024] Open
Abstract
Phytophthora sojae is a type of pathogenic oomycete that causes Phytophthora root stem rot (PRSR), which can seriously affect the soybean yield and quality. To subvert immunity, P. sojae secretes a large quantity of effectors. However, the molecular mechanisms regulated by most P. sojae effectors, and their host targets remain unexplored. Previous studies have shown that the expression of PsAvh113, an effector secreted by Phytophthora sojae, enhances viral RNA accumulations and symptoms in Nicotiana benthamiana via VIVE assay. In this study, we analyzed RNA-sequencing data based on disease symptoms in N. benthamiana leaves that were either mocked or infiltrated with PVX carrying the empty vector (EV) and PsAvh113. We identified 1769 differentially expressed genes (DEGs) dependent on PsAvh113. Using stricter criteria screening and Gene Ontology (GO) and Kyoto Encyclopaedia of Genes and Genomes (KEGG) analysis of DEGs, we found that 38 genes were closely enriched in response to PsAvh113 expression. We selected three genes of N. benthamiana (NbNAC86, NbMyb4, and NbERF114) and found their transcriptional levels significantly upregulated in N. benthamiana infected with PVX carrying PsAvh113. Furthermore, individual silencing of these three genes promoted P. capsici infection, while their overexpression increased resistance to P. capsici in N. benthamiana. Our results show that PsAvh113 interacts with transcription factors NbMyb4 and NbERF114 in vivo. Collectively, these data may help us understand the pathogenic mechanism of effectors and manage PRSR in soybeans.
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Affiliation(s)
- Shuai Wu
- MARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River, College of Agriculture, Yangtze University, Jingzhou 434025, China
| | - Jinxia Shi
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
| | - Qi Zheng
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Horticulture, South China Agricultural University, Guangzhou 510640, China
| | - Yuqin Ma
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
| | - Wenjun Zhou
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
| | - Chengjie Mao
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
| | - Chengjie Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Horticulture, South China Agricultural University, Guangzhou 510640, China
| | - Zhengwu Fang
- MARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River, College of Agriculture, Yangtze University, Jingzhou 434025, China
| | - Rui Xia
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Horticulture, South China Agricultural University, Guangzhou 510640, China
| | - Yongli Qiao
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
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Giménez-Romero À, Iturbide M, Moralejo E, Gutiérrez JM, Matías MA. Global warming significantly increases the risk of Pierce's disease epidemics in European vineyards. Sci Rep 2024; 14:9648. [PMID: 38671045 DOI: 10.1038/s41598-024-59947-y] [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: 12/15/2023] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Pierce's disease (PD) is a vector-borne disease caused by the bacteria Xylella fastidiosa, which affects grapevines in the Americas. Currently, vineyards in continental Europe, the world's largest producer of quality wine, have not yet been affected by PD. However, climate change may alter this situation. Here we incorporate the latest regional climate change projections into a climate-driven epidemiological model to assess the risk of PD epidemics in Europe for different levels of global warming. We found a significant increase in risk above + 2 ∘ C in the main wine-producing regions of France, Italy and Portugal, in addition to a critical tipping point above + 3 ∘ C for the possible spread of PD beyond the Mediterranean. The model identifies decreasing risk trends in Spain, as well as contrasting patterns across the continent with different velocities of risk change and epidemic growth rates. Although there is some uncertainty in model projections over time, spatial patterns of risk are consistent across different climate models. Our study provides a comprehensive analysis of the future of PD at multiple spatial scales (country, Protected Designation of Origin and vineyard), revealing where, why and when PD could become a new threat to the European wine industry.
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Affiliation(s)
- Àlex Giménez-Romero
- Instituto de Física Interdisciplinar y Sistemas Complejos (IFISC, CSIC-UIB), Campus UIB, 07122, Palma de Mallorca, Spain
| | - Maialen Iturbide
- Instituto de Física de Cantabria (IFCA, CSIC-University of Cantabria), Avenida de los Castros, 39005, Santander, Spain
| | - Eduardo Moralejo
- Tragsa, Passatge Cala Figuera 6, 07009, Palma de Mallorca, Spain
| | - José M Gutiérrez
- Instituto de Física de Cantabria (IFCA, CSIC-University of Cantabria), Avenida de los Castros, 39005, Santander, Spain
| | - Manuel A Matías
- Instituto de Física Interdisciplinar y Sistemas Complejos (IFISC, CSIC-UIB), Campus UIB, 07122, Palma de Mallorca, Spain.
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22
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Tennant P, Rampersad S, Alleyne A, Johnson L, Tai D, Amarakoon I, Roye M, Pitter P, Chang PG, Myers Morgan L. Viral Threats to Fruit and Vegetable Crops in the Caribbean. Viruses 2024; 16:603. [PMID: 38675944 PMCID: PMC11053604 DOI: 10.3390/v16040603] [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: 01/26/2024] [Revised: 04/04/2024] [Accepted: 04/05/2024] [Indexed: 04/28/2024] Open
Abstract
Viruses pose major global challenges to crop production as infections reduce the yield and quality of harvested products, hinder germplasm exchange, increase financial inputs, and threaten food security. Small island or archipelago habitat conditions such as those in the Caribbean are particularly susceptible as the region is characterized by high rainfall and uniform, warm temperatures throughout the year. Moreover, Caribbean islands are continuously exposed to disease risks because of their location at the intersection of transcontinental trade between North and South America and their role as central hubs for regional and global agricultural commodity trade. This review provides a summary of virus disease epidemics that originated in the Caribbean and those that were introduced and spread throughout the islands. Epidemic-associated factors that impact disease development are also discussed. Understanding virus disease epidemiology, adoption of new diagnostic technologies, implementation of biosafety protocols, and widespread acceptance of biotechnology solutions to counter the effects of cultivar susceptibility remain important challenges to the region. Effective integrated disease management requires a comprehensive approach that should include upgraded phytosanitary measures and continuous surveillance with rapid and appropriate responses.
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Affiliation(s)
- Paula Tennant
- Department of Life Sciences, The University of the West Indies, Mona, St. Andrew JMAAW07, Jamaica;
- Biotechnology Centre, The University of the West Indies, Mona, St. Andrew JMAAW07, Jamaica; (D.T.); (M.R.); (P.P.)
| | - Sephra Rampersad
- Department of Life Sciences, The University of the West Indies, St. Augustine 999183, Trinidad and Tobago;
| | - Angela Alleyne
- Department of Biological and Chemical Sciences, The University of the West Indies, Cave Hill, Bridgetown BB11000, Barbados;
| | - Lloyd Johnson
- Department of Life Sciences, The University of the West Indies, Mona, St. Andrew JMAAW07, Jamaica;
| | - Deiondra Tai
- Biotechnology Centre, The University of the West Indies, Mona, St. Andrew JMAAW07, Jamaica; (D.T.); (M.R.); (P.P.)
| | - Icolyn Amarakoon
- Department of Basic Medical Sciences, Biochemistry Section, Faculty of Medical Sciences Teaching and Research Complex, The University of the West Indies, Mona, St. Andrew JMAAW07, Jamaica;
| | - Marcia Roye
- Biotechnology Centre, The University of the West Indies, Mona, St. Andrew JMAAW07, Jamaica; (D.T.); (M.R.); (P.P.)
| | - Patrice Pitter
- Biotechnology Centre, The University of the West Indies, Mona, St. Andrew JMAAW07, Jamaica; (D.T.); (M.R.); (P.P.)
- Ministry of Agriculture, Bodles Research Station, Old Harbour, St. Catherine JMACE18, Jamaica; (P.-G.C.); (L.M.M.)
| | - Peta-Gaye Chang
- Ministry of Agriculture, Bodles Research Station, Old Harbour, St. Catherine JMACE18, Jamaica; (P.-G.C.); (L.M.M.)
| | - Lisa Myers Morgan
- Ministry of Agriculture, Bodles Research Station, Old Harbour, St. Catherine JMACE18, Jamaica; (P.-G.C.); (L.M.M.)
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23
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Walaszczyk A, Jasińska A, Bernat P, Różalska S, Sas-Paszt L, Lisek A, Paraszkiewicz K. The Combined Effects of Azoxystrobin and the Biosurfactant-Producing Bacillus sp. Kol B3 against the Phytopathogenic Fungus Fusarium sambucinum IM 6525. Int J Mol Sci 2024; 25:4175. [PMID: 38673760 PMCID: PMC11049953 DOI: 10.3390/ijms25084175] [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: 02/29/2024] [Revised: 04/04/2024] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
This study aimed to evaluate how the combined presence of the synthetic fungicide azoxystrobin (AZ) and the biosurfactant-producing Bacillus sp. Kol B3 influences the growth of the phytopathogenic fungus Fusarium sambucinum IM 6525. The results showed a noticeable increase in antifungal effectiveness when biotic and abiotic agents were combined. This effect manifested across diverse parameters, including fungal growth inhibition, changes in hyphae morphology, fungal membrane permeability and levels of intracellular reactive oxygen species (ROS). In response to the presence of Fusarium and AZ in the culture, the bacteria changed the proportions of biosurfactants (surfactin and iturin) produced. The presence of both AZ and/or Fusarium resulted in an increase in iturin biosynthesis. Only in 72 h old bacterial-fungal co-culture a 20% removal of AZ was noted. In the fungal cultures (with and without the addition of the bacteria), the presence of an AZ metabolite named azoxystrobin free acid was detected in the 48th and 72nd hours of the process. The possible involvement of increased iturin and ROS content in antifungal activity of Bacillus sp. and AZ when used together are also discussed. Biosurfactants were analyzed by liquid chromatography with tandem mass spectrometry (LC-MS/MS). Microscopy techniques and biochemical assays were also used.
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Affiliation(s)
- Aleksandra Walaszczyk
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, Doctoral School of Exact and Natural Sciences, University of Lodz, 90-136 Lodz, Poland;
| | - Anna Jasińska
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland; (A.J.); (P.B.); (S.R.)
| | - Przemysław Bernat
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland; (A.J.); (P.B.); (S.R.)
| | - Sylwia Różalska
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland; (A.J.); (P.B.); (S.R.)
| | - Lidia Sas-Paszt
- Department of Microbiology and Rhizosphere, The National Institute of Horticultural Research, 96-100 Skierniewice, Poland; (L.S.-P.); (A.L.)
| | - Anna Lisek
- Department of Microbiology and Rhizosphere, The National Institute of Horticultural Research, 96-100 Skierniewice, Poland; (L.S.-P.); (A.L.)
| | - Katarzyna Paraszkiewicz
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, 90-136 Lodz, Poland; (A.J.); (P.B.); (S.R.)
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Tchonkouang RD, Onyeaka H, Nkoutchou H. Assessing the vulnerability of food supply chains to climate change-induced disruptions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 920:171047. [PMID: 38373458 DOI: 10.1016/j.scitotenv.2024.171047] [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: 09/15/2023] [Revised: 01/19/2024] [Accepted: 02/15/2024] [Indexed: 02/21/2024]
Abstract
Climate change is one of the most significant challenges worldwide. There is strong evidence from research that climate change will impact several food chain-related elements such as agricultural output, incomes, prices, food access, food quality, and food safety. This scoping review seeks to outline the state of knowledge of the food supply chain's vulnerability to climate change and to identify existing literature that may guide future research, policy, and decision-making aimed at enhancing the resilience of the food supply chain. A total of 1526 publications were identified using the SCOPUS database, of which 67 were selected for the present study. The vulnerability assessment methods as well as the adaptation and resilience measures that have been employed to alleviate the impact of climate change in the food supply chain were discussed. The results revealed a growing number of publications providing evidence of the weakening of the food supply chain due to climate change and extreme weather events. Our assessment demonstrated the need to broaden research into the entire food supply chain and various forms of climatic variability because most studies have concentrated on the relationships between climatic fluctuations (especially extreme rainfall, temperatures, and drought) and production. A lack of knowledge about the effects of climate change on the food supply chain and the underlying socio-economic consequences could result in underperformance or failure of the food supply chain.
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Affiliation(s)
- Rose Daphnee Tchonkouang
- MED-Mediterranean Institute for Agriculture, Environment and Development & Change-Global Change and Sustainability Institute, Faculty of Sciences and Technology, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Helen Onyeaka
- School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom.
| | - Hugue Nkoutchou
- Public Policy in Africa Initiative (PPiAI), Douala, Cameroon
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25
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Qi PY, Zhang TH, Yang YK, Liang H, Feng YM, Wang N, Ding ZH, Xiang HM, Zhou X, Liu LW, Jin LH, Li XY, Yang S. Beyond the β-amino alcohols framework: identification of novel β-hydroxy pyridinium salt-decorated pterostilbene derivatives as bacterial virulence factor inhibitors. PEST MANAGEMENT SCIENCE 2024. [PMID: 38578108 DOI: 10.1002/ps.8116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 02/16/2024] [Accepted: 04/02/2024] [Indexed: 04/06/2024]
Abstract
BACKGROUND Bacterial virulence factors are involved in various biological processes and mediate persistent bacterial infections. Focusing on virulence factors of phytopathogenic bacteria is an attractive strategy and crucial direction in pesticide discovery to prevent invasive and persistent bacterial infection. Hence, discovery and development of novel agrochemicals with high activity, low-risk, and potent anti-virulence is urgently needed to control plant bacterial diseases. RESULTS A series of novel β-hydroxy pyridinium cation decorated pterostilbene derivatives were prepared and their antibacterial activities against Xanthomonas oryzae pv. oryzae (Xoo) were systematacially assessed. Among these pterostilbene derivatives, compound 4S exhibited the best antibacterial activity against Xoo in vitro, with an half maximal effective concentration (EC50) value of 0.28 μg mL-1. A series of biochemical assays including scanning electron microscopy, crystal violet staining, and analysis of biofilm formation, swimming motility, and related virulence factor gene expression levels demonstrated that compound 4S could function as a new anti-virulence factor inhibitor by interfering with the bacterial infection process. Furthermore, the pot experiments provided convinced evidence that compound 4S had the high control efficacy (curative activity: 71.4%, protective activity: 72.6%), and could be used to effectively manage rice bacterial leaf blight in vivo. CONCLUSION Compounds 4S is an attractive virulence factor inhibitor with potential for application in treating plant bacterial diseases by suppressing production of several virulence factors. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Pu-Ying Qi
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, China
| | - Tai-Hong Zhang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, China
| | - Yi-Ke Yang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, China
| | - Hong Liang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, China
| | - Yu-Mei Feng
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, China
| | - Na Wang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, China
| | - Zheng-Hao Ding
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, China
| | - Hong-Mei Xiang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, China
| | - Xiang Zhou
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, China
| | - Li-Wei Liu
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, China
| | - Lin-Hong Jin
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, China
| | - Xiang-Yang Li
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, China
| | - Song Yang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, China
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26
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Qutb AM, Cambon F, McDonald MC, Saintenac C, Kettles GJ. The Egyptian wheat cultivar Gemmeiza-12 is a source of resistance against the fungus Zymoseptoria tritici. BMC PLANT BIOLOGY 2024; 24:248. [PMID: 38580955 PMCID: PMC10996218 DOI: 10.1186/s12870-024-04930-y] [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: 12/21/2023] [Accepted: 03/19/2024] [Indexed: 04/07/2024]
Abstract
BACKGROUND Wheat is one of the world's most important cereal crops. However, the fungal pathogen Zymoseptoria tritici can cause disease epidemics, leading to reduced yields. With climate change and development of new agricultural areas with suitable environments, Z. tritici may advance into geographical areas previously unaffected by this pathogen. It is currently unknown how Egyptian wheat will perform in the face of this incoming threat. This project aimed to assess the resistance of Egyptian wheat germplasm to Z. tritici, to identify cultivars with high levels of resistance and characterise the mechanism(s) of resistance present in these cultivars. RESULTS Eighteen Egyptian wheat cultivars were screened against two Z. tritici model isolates and exhibited a wide spectrum of responses. This ranged from resistance to complete susceptibility to one or both isolates tested. The most highly resistant cultivars from the initial screen were then tested under two environmental conditions against modern UK field isolates. Disease levels under UK-like conditions were higher, however, symptom development on the cultivar Gemmeiza-12 was noticeably slower than on other Egyptian wheats. The robustness of the resistance shown by Gemmeiza-12 was confirmed in experiments mimicking Egyptian environmental conditions, where degree of Z. tritici infection was lower. The Kompetitive allele-specific PCR (KASP) diagnostic assay suggested the presence of an Stb6 resistant allele in several Egyptian wheats including Gemmeiza-12. Infection assays using the IPO323 WT and IPO323ΔAvrStb6 mutant confirmed the presence of Stb6 in several Egyptian cultivars including Gemmeiza-12. Confocal fluorescence microscopy demonstrated that growth of the IPO323 strain is blocked at the point of stomatal penetration on Gemmeiza-12, consistent with previous reports of Stb gene mediated resistance. In addition to this R-gene mediated resistance, IPO323 spores showed lower adherence to leaves of Gemmeiza-12 compared to UK wheat varieties, suggesting other aspects of leaf physiology may also contribute to the resistance phenotype of this cultivar. CONCLUSION These results indicate that Gemmeiza-12 will be useful in future breeding programs where improved resistance to Z. tritici is a priority.
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Affiliation(s)
- Abdelrahman M Qutb
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
- Department of Agricultural Botany, Faculty of Agriculture, Al-Azhar University, Cairo, Egypt
| | - Florence Cambon
- Université Clermont Auvergne, INRAE, GDEC, Clermont-Ferrand, 63000, France
| | - Megan C McDonald
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
| | - Cyrille Saintenac
- Université Clermont Auvergne, INRAE, GDEC, Clermont-Ferrand, 63000, France
| | - Graeme J Kettles
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
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Roussin-Léveillée C, Rossi CAM, Castroverde CDM, Moffett P. The plant disease triangle facing climate change: a molecular perspective. TRENDS IN PLANT SCIENCE 2024:S1360-1385(24)00060-8. [PMID: 38580544 DOI: 10.1016/j.tplants.2024.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 02/27/2024] [Accepted: 03/06/2024] [Indexed: 04/07/2024]
Abstract
Variations in climate conditions can dramatically affect plant health and the generation of climate-resilient crops is imperative to food security. In addition to directly affecting plants, it is predicted that more severe climate conditions will also result in greater biotic stresses. Recent studies have identified climate-sensitive molecular pathways that can result in plants being more susceptible to infection under unfavorable conditions. Here, we review how expected changes in climate will impact plant-pathogen interactions, with a focus on mechanisms regulating plant immunity and microbial virulence strategies. We highlight the complex interactions between abiotic and biotic stresses with the goal of identifying components and/or pathways that are promising targets for genetic engineering to enhance adaptation and strengthen resilience in dynamically changing environments.
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Affiliation(s)
| | - Christina A M Rossi
- Department of Biology, Wilfrid Laurier University, Waterloo, Ontario, N2L 3C5, Canada
| | | | - Peter Moffett
- Centre SÈVE, Département de Biologie, Université de Sherbrooke, Sherbrooke, Québec, Canada.
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28
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Zhang Y, Nair S, Zhang Z, Zhao J, Zhao H, Lu L, Chang L, Jiao N. Adverse Environmental Perturbations May Threaten Kelp Farming Sustainability by Exacerbating Enterobacterales Diseases. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:5796-5810. [PMID: 38507562 DOI: 10.1021/acs.est.3c09921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Globally kelp farming is gaining attention to mitigate land-use pressures and achieve carbon neutrality. However, the influence of environmental perturbations on kelp farming remains largely unknown. Recently, a severe disease outbreak caused extensive kelp mortality in Sanggou Bay, China, one of the world's largest high-density kelp farming areas. Here, through in situ investigations and simulation experiments, we find indications that an anomalously dramatic increase in elevated coastal seawater light penetration may have contributed to dysbiosis in the kelp Saccharina japonica's microbiome. This dysbiosis promoted the proliferation of opportunistic pathogenic Enterobacterales, mainly including the genera Colwellia and Pseudoalteromonas. Using transcriptomic analyses, we revealed that high-light conditions likely induced oxidative stress in kelp, potentially facilitating opportunistic bacterial Enterobacterales attack that activates a terrestrial plant-like pattern recognition receptor system in kelp. Furthermore, we uncover crucial genotypic determinants of Enterobacterales dominance and pathogenicity within kelp tissue, including pathogen-associated molecular patterns, potential membrane-damaging toxins, and alginate and mannitol lysis capability. Finally, through analysis of kelp-associated microbiome data sets under the influence of ocean warming and acidification, we conclude that such Enterobacterales favoring microbiome shifts are likely to become more prevalent in future environmental conditions. Our study highlights the need for understanding complex environmental influences on kelp health and associated microbiomes for the sustainable development of seaweed farming.
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Affiliation(s)
- Yongyu Zhang
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, Shandong, China
- Shandong Energy Institute, No. 189 Songling Road, Qingdao 266101, Shandong, China
- Qingdao New Energy Shandong Laboratory, Qingdao 266101, Shandong, China
| | - Shailesh Nair
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, Shandong, China
- Shandong Energy Institute, No. 189 Songling Road, Qingdao 266101, Shandong, China
- Qingdao New Energy Shandong Laboratory, Qingdao 266101, Shandong, China
| | - Zenghu Zhang
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, Shandong, China
- Shandong Energy Institute, No. 189 Songling Road, Qingdao 266101, Shandong, China
- Qingdao New Energy Shandong Laboratory, Qingdao 266101, Shandong, China
| | - Jiulong Zhao
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, Shandong, China
- Shandong Energy Institute, No. 189 Songling Road, Qingdao 266101, Shandong, China
- Qingdao New Energy Shandong Laboratory, Qingdao 266101, Shandong, China
| | - Hanshuang Zhao
- Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, Shandong, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Longfei Lu
- Weihai Changqing Ocean Science Technology Co., Ltd., Rongcheng 264300, China
| | - Lirong Chang
- Weihai Changqing Ocean Science Technology Co., Ltd., Rongcheng 264300, China
| | - Nianzhi Jiao
- Institute of Marine Microbes and Ecospheres, State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361100, China
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Daba G, Daelemans R, Berecha G, Geerinck MWJ, Verreth C, Crauwels S, Lievens B, Honnay O. Genetic diversity and structure of the coffee leaf rust fungus Hemileia vastatrix across different coffee management systems in Ethiopia. Int Microbiol 2024; 27:525-534. [PMID: 37507629 DOI: 10.1007/s10123-023-00409-2] [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: 02/12/2023] [Revised: 07/07/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023]
Abstract
Although coffee leaf rust (CLR), caused by Hemileia vastatrix, poses an increasing threat to coffee production in Ethiopia, little is known regarding its genetic diversity and structure and how these are affected by coffee management. Here, we used genetic fingerprinting based on sequence-related amplified polymorphism (SRAP) markers to genotype H. vastatrix samples from different coffee shrubs, across 40 sites, covering four coffee production systems (forest coffee, semi plantation coffee, home garden coffee, and plantation coffee) and different altitudes in Ethiopia. In total, 96 H. vastatrix samples were successfully genotyped with three primer combinations, producing a total of 79 scorable bands. We found 35.44% of amplified bands to be polymorphic, and the polymorphic information content (PIC) was 0.45, suggesting high genetic diversity among our CLR isolates. We also found significant isolation-by-distance across the samples investigated and detected significant differences in fungal genetic composition among plantation coffee and home garden coffee and a marginally significant difference among plantation coffee and forest coffee. Furthermore, we found a significant effect of altitude on CLR genetic composition in the forest coffee and plantation systems. Our results suggest that both spore dispersal and different selection pressures in the different coffee management systems are likely responsible for the observed high genetic diversity and genetic structure of CLR isolates in Ethiopia. When selecting Ethiopian coffee genotypes for crop improvement, it is important that these genotypes carry some resistance against CLR. Because our study shows large variation in genetic composition across relatively short geographical distances, a broad selection of rust isolates must be used for coffee resistance screening.
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Affiliation(s)
- Gerba Daba
- Division of Ecology, Evolution and Biodiversity Conservation, Biology Department, KU Leuven, Kasteelpark Arenberg 31, B-3001, Leuven, Belgium.
- College of Agriculture and Veterinary Medicine, Department of Horticulture and Plant Sciences, Jimma University, PO Box 307, Jimma, Ethiopia.
- KU Leuven Plant Institute (LPI), B-3001, Louvain, Belgium.
| | - Robin Daelemans
- Division of Ecology, Evolution and Biodiversity Conservation, Biology Department, KU Leuven, Kasteelpark Arenberg 31, B-3001, Leuven, Belgium
- KU Leuven Plant Institute (LPI), B-3001, Louvain, Belgium
| | - Gezahegn Berecha
- College of Agriculture and Veterinary Medicine, Department of Horticulture and Plant Sciences, Jimma University, PO Box 307, Jimma, Ethiopia
| | - Margot W J Geerinck
- KU Leuven Plant Institute (LPI), B-3001, Louvain, Belgium
- Laboratory for Process Microbial Ecology and Bioinspirational Management, Department of Microbial and Molecular Systems, KU Leuven, Willem De Croylaan 46, B-3001, Louvain, Belgium
| | - Christel Verreth
- Laboratory for Process Microbial Ecology and Bioinspirational Management, Department of Microbial and Molecular Systems, KU Leuven, Willem De Croylaan 46, B-3001, Louvain, Belgium
| | - Sam Crauwels
- KU Leuven Plant Institute (LPI), B-3001, Louvain, Belgium
- Laboratory for Process Microbial Ecology and Bioinspirational Management, Department of Microbial and Molecular Systems, KU Leuven, Willem De Croylaan 46, B-3001, Louvain, Belgium
| | - Bart Lievens
- KU Leuven Plant Institute (LPI), B-3001, Louvain, Belgium
- Laboratory for Process Microbial Ecology and Bioinspirational Management, Department of Microbial and Molecular Systems, KU Leuven, Willem De Croylaan 46, B-3001, Louvain, Belgium
| | - Olivier Honnay
- Division of Ecology, Evolution and Biodiversity Conservation, Biology Department, KU Leuven, Kasteelpark Arenberg 31, B-3001, Leuven, Belgium
- KU Leuven Plant Institute (LPI), B-3001, Louvain, Belgium
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Silva WTAF, Hansson M, Johansson J. Phenological evolution in annual plants under light competition, changes in the growth season and mass loss. Ecol Evol 2024; 14:e11294. [PMID: 38633520 PMCID: PMC11021803 DOI: 10.1002/ece3.11294] [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: 11/21/2023] [Revised: 03/18/2024] [Accepted: 04/05/2024] [Indexed: 04/19/2024] Open
Abstract
Flowering time is an important phenological trait in plants and a critical determinant of the success of pollination and fruit or seed development, with immense significance for agriculture as it directly affects crop yield and overall food production. Shifts in the growth season, changes in the growth season duration and changes in the production rate are environmental processes (potentially linked to climate change) that can lead to changes in flowering time in the long-term due to selection. In contrast, biomass loss (due to, for example, herbivory or diseases) can have profound consequences for plant mass production and food security. We model the effects of these environmental processes on the flowering time evolutionarily stable strategy (ESS) of annual plants and the potential consequences for reproductive output. Our model recapitulates previous theoretical results linked to climate change and light competition and makes novel predictions about the effects of biomass loss on the evolution of flowering time. Our analysis elucidates how both the magnitude and direction of the evolutionary response can depend on whether biomass loss occurs during the earlier vegetative phase or during the later reproductive phase and on whether or not plants are adapted to grow in dense, competitive environments. Specifically, light competition generates an asymetric effect of mass loss on flowering time even when loss is indiscriminate (equal rates), with vegetative mass loss having a stronger effect on flowering time (resulting in greater ESS change) and final reproductive output.
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Affiliation(s)
- Willian T. A. F. Silva
- Centre for Environmental and Climate ScienceLund UniversityLundSweden
- Department of Aquatic ResourcesSwedish University of Agricultural SciencesLysekilSweden
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Dhahi TS, Dafhalla AKY, Saad SA, Zayan DMI, Ahmed AET, Elobaid ME, Adam T, Gopinath SCB. The importance, benefits, and future of nanobiosensors for infectious diseases. Biotechnol Appl Biochem 2024; 71:429-445. [PMID: 38238920 DOI: 10.1002/bab.2550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Accepted: 12/19/2023] [Indexed: 04/11/2024]
Abstract
Infectious diseases, caused by pathogenic microorganisms such as bacteria, viruses, parasites, or fungi, are crucial for efficient disease management, reducing morbidity and mortality rates and controlling disease spread. Traditional laboratory-based diagnostic methods face challenges such as high costs, time consumption, and a lack of trained personnel in resource-poor settings. Diagnostic biosensors have gained momentum as a potential solution, offering advantages such as low cost, high sensitivity, ease of use, and portability. Nanobiosensors are a promising tool for detecting and diagnosing infectious diseases such as coronavirus disease, human immunodeficiency virus, and hepatitis. These sensors use nanostructured carbon nanotubes, graphene, and nanoparticles to detect specific biomarkers or pathogens. They operate through mechanisms like the lateral flow test platform, where a sample containing the biomarker or pathogen is applied to a test strip. If present, the sample binds to specific recognition probes on the strip, indicating a positive result. This binding event is visualized through a colored line. This review discusses the importance, benefits, and potential of nanobiosensors in detecting infectious diseases.
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Affiliation(s)
- Th S Dhahi
- Electronics Technical Department, Southern Technical University, Basra, Iraq
| | - Alaa Kamal Yousif Dafhalla
- Department of Computer Engineering, College of Computer Science and engineering, University of Hail, Hail, Kingdom of Saudi Arabia
| | - Sawsan Ali Saad
- Department of Computer Engineering, College of Computer Science and engineering, University of Hail, Hail, Kingdom of Saudi Arabia
| | | | | | - Mohamed Elshaikh Elobaid
- Faculty of Electronic Engineering & Technology, Universiti Malaysia Perlis (UniMAP), Arau, Perlis, Malaysia
| | - Tijjani Adam
- Faculty of Electronic Engineering & Technology, Universiti Malaysia Perlis (UniMAP), Arau, Perlis, Malaysia
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, Malaysia
- Micro System Technology, Centre of Excellence (CoE), Universiti Malaysia Perlis (UniMAP), Arau, Perlis, Malaysia
- Advanced Communication Engineering, Centre of Excellence (ACE), Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, Malaysia
| | - Subash C B Gopinath
- Faculty of Chemical Engineering & Technology, Universiti Malaysia Perlis (UniMAP), Arau, Perlis, Malaysia
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, Malaysia
- Micro System Technology, Centre of Excellence (CoE), Universiti Malaysia Perlis (UniMAP), Arau, Perlis, Malaysia
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Leber R, Heuberger M, Widrig V, Jung E, Paux E, Keller B, Sánchez-Martín J. A diverse panel of 755 bread wheat accessions harbors untapped genetic diversity in landraces and reveals novel genetic regions conferring powdery mildew resistance. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2024; 137:88. [PMID: 38532180 PMCID: PMC10965746 DOI: 10.1007/s00122-024-04582-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Accepted: 02/09/2024] [Indexed: 03/28/2024]
Abstract
KEY MESSAGE A bread wheat panel reveals rich genetic diversity in Turkish, Pakistani and Iranian landraces and novel resistance loci to diverse powdery mildew isolates via subsetting approaches in association studies. Wheat breeding for disease resistance relies on the availability and use of diverse genetic resources. More than 800,000 wheat accessions are globally conserved in gene banks, but they are mostly uncharacterized for the presence of resistance genes and their potential for agriculture. Based on the selective reduction of previously assembled collections for allele mining for disease resistance, we assembled a trait-customized panel of 755 geographically diverse bread wheat accessions with a focus on landraces, called the LandracePLUS panel. Population structure analysis of this panel based on the TaBW35K SNP array revealed an increased genetic diversity compared to 632 landraces genotyped in an earlier study and 17 high-quality sequenced wheat accessions. The additional genetic diversity found here mostly originated from Turkish, Iranian and Pakistani landraces. We characterized the LandracePLUS panel for resistance to ten diverse isolates of the fungal pathogen powdery mildew. Performing genome-wide association studies and dividing the panel further by a targeted subsetting approach for accessions of distinct geographical origin, we detected several known and already cloned genes, including the Pm2a gene. In addition, we identified 22 putatively novel powdery mildew resistance loci that represent useful sources for resistance breeding and for research on the mildew-wheat pathosystem. Our study shows the value of assembling trait-customized collections and utilizing a diverse range of pathogen races to detect novel loci. It further highlights the importance of integrating landraces of different geographical origins into future diversity studies.
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Affiliation(s)
- Rebecca Leber
- Department of Plant and Microbial Biology, University of Zurich, Zollikerstrasse 107, 8008, Zurich, Switzerland
| | - Matthias Heuberger
- Department of Plant and Microbial Biology, University of Zurich, Zollikerstrasse 107, 8008, Zurich, Switzerland
| | - Victoria Widrig
- Department of Plant and Microbial Biology, University of Zurich, Zollikerstrasse 107, 8008, Zurich, Switzerland
- Department of Microbiology and Genetics, Spanish-Portuguese Institute for Agricultural Research (CIALE), University of Salamanca, 37007, Salamanca, Spain
| | - Esther Jung
- Department of Plant and Microbial Biology, University of Zurich, Zollikerstrasse 107, 8008, Zurich, Switzerland
| | - Etienne Paux
- Université Clermont Auvergne, INRAE, GDEC, 63000, Clermont-Ferrand, France
- VetAgro Sup Campus Agronomique, 63370, Lempdes, France
| | - Beat Keller
- Department of Plant and Microbial Biology, University of Zurich, Zollikerstrasse 107, 8008, Zurich, Switzerland.
| | - Javier Sánchez-Martín
- Department of Plant and Microbial Biology, University of Zurich, Zollikerstrasse 107, 8008, Zurich, Switzerland.
- Department of Microbiology and Genetics, Spanish-Portuguese Institute for Agricultural Research (CIALE), University of Salamanca, 37007, Salamanca, Spain.
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Zaheer U, Munir F, Salum YM, He W. Function and regulation of plant ARGONAUTE proteins in response to environmental challenges: a review. PeerJ 2024; 12:e17115. [PMID: 38560454 PMCID: PMC10979746 DOI: 10.7717/peerj.17115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 02/26/2024] [Indexed: 04/04/2024] Open
Abstract
Environmental stresses diversely affect multiple processes related to the growth, development, and yield of many crops worldwide. In response, plants have developed numerous sophisticated defense mechanisms at the cellular and subcellular levels to react and adapt to biotic and abiotic stressors. RNA silencing, which is an innate immune mechanism, mediates sequence-specific gene expression regulation in higher eukaryotes. ARGONAUTE (AGO) proteins are essential components of the RNA-induced silencing complex (RISC). They bind to small noncoding RNAs (sRNAs) and target complementary RNAs, causing translational repression or triggering endonucleolytic cleavage pathways. In this review, we aim to illustrate the recently published molecular functions, regulatory mechanisms, and biological roles of AGO family proteins in model plants and cash crops, especially in the defense against diverse biotic and abiotic stresses, which could be helpful in crop improvement and stress tolerance in various plants.
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Affiliation(s)
- Uroosa Zaheer
- Plant Protection, State Key Laboratory for Ecological Pest Control of Fujian and Taiwan Crops, Institute of Applied Ecology, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
- Plant Protection, International Joint Research Laboratory of Ecological Pest Control, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
- Plant Protection, Ministerial and Provincial Joint Innovation Centre for Safety Production of Cross-Strait Crops, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
| | - Faisal Munir
- Plant Protection, State Key Laboratory for Ecological Pest Control of Fujian and Taiwan Crops, Institute of Applied Ecology, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
- Plant Protection, International Joint Research Laboratory of Ecological Pest Control, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
- Plant Protection, Ministerial and Provincial Joint Innovation Centre for Safety Production of Cross-Strait Crops, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
| | - Yussuf Mohamed Salum
- Plant Protection, State Key Laboratory for Ecological Pest Control of Fujian and Taiwan Crops, Institute of Applied Ecology, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
- Plant Protection, International Joint Research Laboratory of Ecological Pest Control, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
- Plant Protection, Ministerial and Provincial Joint Innovation Centre for Safety Production of Cross-Strait Crops, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
| | - Weiyi He
- Plant Protection, State Key Laboratory for Ecological Pest Control of Fujian and Taiwan Crops, Institute of Applied Ecology, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
- Plant Protection, International Joint Research Laboratory of Ecological Pest Control, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
- Plant Protection, Ministerial and Provincial Joint Innovation Centre for Safety Production of Cross-Strait Crops, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
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34
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Wang H, Chen B, Shen X. Extreme rainfall, farmer vulnerability, and labor mobility-Evidence from rural China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 918:170866. [PMID: 38340843 DOI: 10.1016/j.scitotenv.2024.170866] [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: 05/02/2023] [Revised: 02/02/2024] [Accepted: 02/07/2024] [Indexed: 02/12/2024]
Abstract
The recurrent occurrence of extreme weather events poses a significant threat to agricultural production, food security, and sustainable economic development. Understanding farmers' adaptive responses to cope with these challenges is pivotal for informing and implementing effective climate resilience policies. This study utilizes the Spatial Precipitation Index (SPI) to assess rainfall patterns and applies fixed effects methods to analyze extreme rainfall shocks' impact on rural households, using panel data from China's 2006-2015 National Rural Fixed Point Survey. Below are the results. Firstly, both drought and rainstorm shocks negatively affect agricultural yield and income, highlighting farmers' vulnerability to extreme rainfall events. Secondly, farmers respond to these shocks by reallocating labor from agriculture to non-agricultural sectors or migrating to urban areas, with these labor mobility patterns typically being temporary. Thirdly, there's notable heterogeneity linked to household affluence. Less affluent rural households experienced more pronounced declines in yield and income, compelling higher migration rates. Collectively, our findings shed light on how Chinese rural households strategically adjust their labor decisions to respond to extreme rainfall shocks through inter-sectoral and inter-regional labor mobility.
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Affiliation(s)
- Heer Wang
- School of Economics, Zhejiang University, Hangzhou 310058, PR China.
| | - Bo Chen
- School of Economics, Jinan University, Guangzhou 510632, PR China
| | - Xuhang Shen
- School of Economics, Zhejiang University, Hangzhou 310058, PR China
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35
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de Souza WM, Weaver SC. Effects of climate change and human activities on vector-borne diseases. Nat Rev Microbiol 2024:10.1038/s41579-024-01026-0. [PMID: 38486116 DOI: 10.1038/s41579-024-01026-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/13/2024] [Indexed: 03/18/2024]
Abstract
Vector-borne diseases are transmitted by haematophagous arthropods (for example, mosquitoes, ticks and sandflies) to humans and wild and domestic animals, with the largest burden on global public health disproportionately affecting people in tropical and subtropical areas. Because vectors are ectothermic, climate and weather alterations (for example, temperature, rainfall and humidity) can affect their reproduction, survival, geographic distribution and, consequently, ability to transmit pathogens. However, the effects of climate change on vector-borne diseases can be multifaceted and complex, sometimes with ambiguous consequences. In this Review, we discuss the potential effects of climate change, weather and other anthropogenic factors, including land use, human mobility and behaviour, as possible contributors to the redistribution of vectors and spread of vector-borne diseases worldwide.
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Affiliation(s)
- William M de Souza
- Department of Microbiology, Immunology and Molecular Genetics, University of Kentucky, College of Medicine, Lexington, KY, USA
- World Reference Center for Emerging Viruses and Arboviruses, University of Texas Medical Branch, Galveston, TX, USA
- Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, TX, USA
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA
- Global Virus Network, Baltimore, MD, USA
| | - Scott C Weaver
- World Reference Center for Emerging Viruses and Arboviruses, University of Texas Medical Branch, Galveston, TX, USA.
- Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, TX, USA.
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA.
- Global Virus Network, Baltimore, MD, USA.
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36
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Custer GF. Unearthing opportunity amid declining plant-beneficial bacteria. TRENDS IN PLANT SCIENCE 2024:S1360-1385(24)00053-0. [PMID: 38461068 DOI: 10.1016/j.tplants.2024.02.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/20/2024] [Accepted: 02/22/2024] [Indexed: 03/11/2024]
Abstract
Plant-associated microbiomes maintain biodiversity and ecosystem productivity amid global change. Under projected climate change scenarios, the abundance of plant-beneficial bacteria is expected to decrease. Altered plant-associated microbiomes may affect plant tolerance to stress and (agro-)ecosystem productivity. Forward-thinking approaches, like microbiome breeding, offer biotechnological opportunities to understand and mine plant-microbe interactions.
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Affiliation(s)
- Gordon F Custer
- Department of Plant Science, Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA, USA; The One Health Microbiome Center, The Pennsylvania State University, University Park, PA, USA.
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37
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Liu YH, Li CK, Nie MY, Wang FL, Ren XL, Jin LH, Zhou X. Sulfonate derivatives bearing an amide unit: design, synthesis and biological activity studies. BMC Chem 2024; 18:46. [PMID: 38449054 PMCID: PMC10919044 DOI: 10.1186/s13065-024-01151-0] [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: 02/07/2024] [Accepted: 02/22/2024] [Indexed: 03/08/2024] Open
Abstract
Pest disasters which occurs on crops is a serious problem that not only cause crop yield loss or even crop failure but can also spread a number of plant diseases.Sulfonate derivatives have been widely used in insecticide and fungicide research in recent years. On this basis, a series of sulfonate derivatives bearing an amide unit are synthesized and the biological activities are evaluated. The bioassay results showed that compounds A8, A13, A16, B1, B3, B4, B5, B10, B12 - 20, C3, C5, C9, C10, C14, C15, C17 and C19 showed 100% activity at a concentration of 500 µg/mL against the Plutella xylostella (P. xylostella). Among them, B15 which contains a thiadiazole sulfonate structure still shows 100% activity at 50 µg/mL concentration against P. xylostella and had the lowest median lethal concentration (LC50) (7.61 µg/mL) among the target compounds. Further mechanism studies are conducted on compounds with better insecticidal activity. Molecular docking results shows that B15 formed hydrophobic interactions π-π and hydrogen bonds with the indole ring of Trp532 and the carboxyl group of Asp384, respectively, with similar interaction distances or bond lengths as those of diflubenzuron. Moreover, chitinase inhibition assays are performed to further demonstrate its mode of action. In addition, the anti-bacterial activity of the series of compounds is also tested and the results showed that the series of compounds has moderate biological activity against Xanthomonas oryzae pv. oryzae (Xoo) and Xanthomonas oryzae pv. oryzicola (Xoc), with inhibition rates of 91%, 92% and 92%, 88% at the concentration of 100 µg/mL, respectively. Our study indicates that B15 can be used as a novel insecticide for crop protection.
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Affiliation(s)
- You-Hua Liu
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Chang-Kun Li
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Mao-Yu Nie
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Fa-Li Wang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Xiao-Li Ren
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Lin-Hong Jin
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China
| | - Xia Zhou
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang, 550025, China.
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38
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Zobel M, Koorem K, Moora M, Semchenko M, Davison J. Symbiont plasticity as a driver of plant success. THE NEW PHYTOLOGIST 2024; 241:2340-2352. [PMID: 38308116 DOI: 10.1111/nph.19566] [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: 08/04/2023] [Accepted: 01/12/2024] [Indexed: 02/04/2024]
Abstract
We discuss which plant species are likely to become winners, that is achieve the highest global abundance, in changing landscapes, and whether plant-associated microbes play a determining role. Reduction and fragmentation of natural habitats in historic landscapes have led to the emergence of patchy, hybrid landscapes, and novel landscapes where anthropogenic ecosystems prevail. In patchy landscapes, species with broad niches are favoured. Plasticity in the degree of association with symbiotic microbes may contribute to broader plant niches and optimization of symbiosis costs and benefits, by downregulating symbiosis when it is unnecessary and upregulating it when it is beneficial. Plasticity can also be expressed as the switch from one type of mutualism to another, for example from nutritive to defensive mutualism with increasing soil fertility and the associated increase in parasite load. Upon dispersal, wide mutualistic partner receptivity is another facet of symbiont plasticity that becomes beneficial, because plants are not limited by the availability of specialist partners when arriving at new locations. Thus, under conditions of global change, symbiont plasticity allows plants to optimize the activity of mutualistic relationships, potentially allowing them to become winners by maximizing geographic occupancy and local abundance.
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Affiliation(s)
- Martin Zobel
- Institute of Ecology and Earth Sciences, University of Tartu, J. Liivi 2, Tartu, 50409, Estonia
| | - Kadri Koorem
- Institute of Ecology and Earth Sciences, University of Tartu, J. Liivi 2, Tartu, 50409, Estonia
| | - Mari Moora
- Institute of Ecology and Earth Sciences, University of Tartu, J. Liivi 2, Tartu, 50409, Estonia
| | - Marina Semchenko
- Institute of Ecology and Earth Sciences, University of Tartu, J. Liivi 2, Tartu, 50409, Estonia
| | - John Davison
- Institute of Ecology and Earth Sciences, University of Tartu, J. Liivi 2, Tartu, 50409, Estonia
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Zandalinas SI, Peláez-Vico MÁ, Sinha R, Pascual LS, Mittler R. The impact of multifactorial stress combination on plants, crops, and ecosystems: how should we prepare for what comes next? THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 117:1800-1814. [PMID: 37996968 DOI: 10.1111/tpj.16557] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/27/2023] [Accepted: 11/10/2023] [Indexed: 11/25/2023]
Abstract
The complexity of environmental conditions encountered by plants in the field, or in nature, is gradually increasing due to anthropogenic activities that promote global warming, climate change, and increased levels of pollutants. While in the past it seemed sufficient to study how plants acclimate to one or even two different stresses affecting them simultaneously, the complex conditions developing on our planet necessitate a new approach of studying stress in plants: Acclimation to multiple stress conditions occurring concurrently or consecutively (termed, multifactorial stress combination [MFSC]). In an initial study of the plant response to MFSC, conducted with Arabidopsis thaliana seedlings subjected to an MFSC of six different abiotic stresses, it was found that with the increase in the number and complexity of different stresses simultaneously impacting a plant, plant growth and survival declined, even if the effects of each stress involved in such MFSC on the plant was minimal or insignificant. In three recent studies, conducted with different crop plants, MFSC was found to have similar effects on a commercial rice cultivar, a maize hybrid, tomato, and soybean, causing significant reductions in growth, biomass, physiological parameters, and/or yield traits. As the environmental conditions on our planet are gradually worsening, as well as becoming more complex, addressing MFSC and its effects on agriculture and ecosystems worldwide becomes a high priority. In this review, we address the effects of MFSC on plants, crops, agriculture, and different ecosystems worldwide, and highlight potential avenues to enhance the resilience of crops to MFSC.
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Affiliation(s)
- Sara I Zandalinas
- Department of Biology, Biochemistry and Environmental Sciences, University Jaume I, Av. de Vicent Sos Baynat, s/n, Castelló de la Plana, 12071, Spain
| | - María Ángeles Peláez-Vico
- Division of Plant Sciences and Technology, College of Agriculture Food and Natural Resources and Interdisciplinary Plant Group, University of Missouri, Columbia, Missouri, 65211, USA
| | - Ranjita Sinha
- Division of Plant Sciences and Technology, College of Agriculture Food and Natural Resources and Interdisciplinary Plant Group, University of Missouri, Columbia, Missouri, 65211, USA
| | - Lidia S Pascual
- Department of Biology, Biochemistry and Environmental Sciences, University Jaume I, Av. de Vicent Sos Baynat, s/n, Castelló de la Plana, 12071, Spain
| | - Ron Mittler
- Division of Plant Sciences and Technology, College of Agriculture Food and Natural Resources and Interdisciplinary Plant Group, University of Missouri, Columbia, Missouri, 65211, USA
- Department of Surgery, University of Missouri School of Medicine, Christopher S. Bond Life Sciences Center University of Missouri, 1201 Rollins St, Columbia, Missouri, 65201, USA
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Adhikari TB, Olukolu BA, Paudel R, Pandey A, Halterman D, Louws FJ. Genotyping-by-Sequencing Reveals Population Differentiation and Linkage Disequilibrium in Alternaria linariae from Tomato. PHYTOPATHOLOGY 2024; 114:653-661. [PMID: 37750924 DOI: 10.1094/phyto-07-23-0229-r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Alternaria linariae is an economically important foliar pathogen that causes early blight disease in tomatoes. Understanding genetic diversity, population genetic structure, and evolutionary potential is crucial to contemplating effective disease management strategies. We leveraged genotyping-by-sequencing (GBS) technology to compare genome-wide variation in 124 isolates of Alternaria spp. (A. alternata, A. linariae, and A. solani) for comparative genome analysis and to test the hypotheses of genetic differentiation and linkage disequilibrium (LD) in A. linariae collected from tomatoes in western North Carolina. We performed a pangenome-aware variant calling and filtering with GBSapp and identified 53,238 variants conserved across the reference genomes of three Alternaria spp. The highest marker density was observed on chromosome 1 (7 Mb). Both discriminant analysis of principal components and Bayesian model-based STRUCTURE analysis of A. linariae isolates revealed three subpopulations with minimal admixture. The genetic differentiation coefficients (FST) within A. linariae subpopulations were similar and high (0.86), indicating that alleles in the subpopulations are fixed and the genetic structure is likely due to restricted recombination. Analysis of molecular variance indicated higher variation among populations (89%) than within the population (11%). We found long-range LD between pairs of loci in A. linariae, supporting the hypothesis of low recombination expected for a fungal pathogen with limited sexual reproduction. Our findings provide evidence of a high level of population genetic differentiation in A. linariae, which reinforces the importance of developing tomato varieties with broad-spectrum resistance to various isolates of A. linariae.
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Affiliation(s)
- Tika B Adhikari
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC 27695
| | - Bode A Olukolu
- Department of Entomology and Plant Pathology, University of Tennessee, Knoxville, TN 37996
| | - Rajan Paudel
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC 27695
| | - Anju Pandey
- Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695
| | - Dennis Halterman
- U.S. Department of Agriculture-Agricultural Research Service, Vegetable Crops Research Unit, Madison, WI 53706
| | - Frank J Louws
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC 27695
- Department of Horticultural Science, North Carolina State University, Raleigh, NC 27695
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Costa J, Pothier JF, Bosis E, Boch J, Kölliker R, Koebnik R. A Community-Curated DokuWiki Resource on Diagnostics, Diversity, Pathogenicity, and Genetic Control of Xanthomonads. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2024; 37:347-353. [PMID: 38114082 DOI: 10.1094/mpmi-11-23-0184-fi] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
Xanthomonads, including Xanthomonas and Xylella species, constitute a large and significant group of economically and ecologically important plant pathogens. Up-to-date knowledge of these pathogens and their hosts is essential for the development of suitable control measures. Traditional review articles or book chapters have inherent limitations, including static content and rapid obsolescence. To address these challenges, we have developed a Web-based knowledge platform dedicated to xanthomonads, inspired by the concept of living systematic reviews. This platform offers a dynamic resource that encompasses bacterial virulence factors, plant resistance genes, and tools for diagnostics and genetic diversity studies. Our goal is to facilitate access for newcomers to the field, provide continuing education opportunities for students, assist plant protection services with diagnostics, provide valuable information to breeders on sources of resistance and breeding targets, and offer comprehensive expert knowledge to other stakeholders interested in plant-pathogenic xanthomonads. This resource is available for queries and updates at https://euroxanth.ipn.pt. [Formula: see text] Copyright © 2024 The Author(s). This is an open access article distributed under the CC BY-NC-ND 4.0 International license.
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Affiliation(s)
- Joana Costa
- University of Coimbra, Centre for Functional Ecology-Science for People & the Planet, Associate Laboratory TERRA, Department of Life Sciences, Coimbra, Portugal
- Laboratory for Phytopathology, Instituto Pedro Nunes, Coimbra, Portugal
| | - Joël F Pothier
- Environmental Genomics and Systems Biology Research Group, Institute of Natural Resource Sciences, Zurich University of Applied Sciences (ZHAW), Wädenswil, Switzerland
| | - Eran Bosis
- Department of Biotechnology Engineering, Braude College of Engineering, Karmiel, Israel
| | - Jens Boch
- Institute of Plant Genetics, Leibniz Universität Hannover, Hannover, Germany
| | - Roland Kölliker
- Molecular Plant Breeding, Institute of Agricultural Sciences, ETH Zurich, Zurich, Switzerland
| | - Ralf Koebnik
- Plant Health Institute of Montpellier, University of Montpellier, CIRAD, INRAE, Institut Agro, IRD, Montpellier, France
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Park JY, Kang SD, Son YG, Kim JY, Lee G, Kim KD, Lee SW, Kim JY. Eucalyptus globulus leaf-isolated isorhapontin serves as a natural insecticide via acetylcholinesterase inhibition. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 200:105834. [PMID: 38582576 DOI: 10.1016/j.pestbp.2024.105834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 02/16/2024] [Accepted: 02/17/2024] [Indexed: 04/08/2024]
Abstract
Acetylcholinesterase (AChE) inhibitors cause insect death by preventing the hydrolysis of the neurotransmitter acetylcholine, which overstimulates the nervous system. In this study, isorhapontin, isolated from E. globulus leaves, was evaluated as a natural insecticide with AChE inhibition at 12.5 μM. Using kinetic analyses, we found that isorhapontin acted as a competitive inhibitor that binds to the active site of AChE. The inhibition constant (Ki) was 6.1 μM. Furthermore, isorhapontin and resveratrol, which have basic skeletons, were predicted to bind to the active site of AChE via molecular docking. A comparison of the hydrogen bonding between the two stilbenes revealed characteristic differences in their interactions with amino acids. In isorhapontin, Trp83, Gly149, Tyr162, Tyr324, and Tyr370 interacted with the sugar moiety. These results suggest that with further development, isorhapontin can be used as an insecticide alternative.
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Affiliation(s)
- Jae Yeon Park
- Department of Pharmaceutical Engineering, IALS, ABC-RLRC, Gyeongsang National University, Jinju 52725, Republic of Korea
| | - Seong Doo Kang
- Department of Pharmaceutical Engineering, IALS, ABC-RLRC, Gyeongsang National University, Jinju 52725, Republic of Korea
| | - Yun Gon Son
- Department of Pharmaceutical Engineering, IALS, ABC-RLRC, Gyeongsang National University, Jinju 52725, Republic of Korea
| | - Ju Yeon Kim
- Department of Pharmaceutical Engineering, IALS, ABC-RLRC, Gyeongsang National University, Jinju 52725, Republic of Korea
| | - Gihwan Lee
- Division of Applied Life Science (BK21 Four), ABC-RLRC, PMBBRC, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Kwang Dong Kim
- Division of Applied Life Science (BK21 Four), ABC-RLRC, PMBBRC, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Sang Won Lee
- Department of Pharmaceutical Engineering, IALS, ABC-RLRC, Gyeongsang National University, Jinju 52725, Republic of Korea.
| | - Jeong Yoon Kim
- Department of Pharmaceutical Engineering, IALS, ABC-RLRC, Gyeongsang National University, Jinju 52725, Republic of Korea.
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Cardoso JMS, Manadas B, Abrantes I, Robertson L, Arcos SC, Troya MT, Navas A, Fonseca L. Pine wilt disease: what do we know from proteomics? BMC PLANT BIOLOGY 2024; 24:98. [PMID: 38331735 PMCID: PMC10854151 DOI: 10.1186/s12870-024-04771-9] [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: 10/10/2023] [Accepted: 01/26/2024] [Indexed: 02/10/2024]
Abstract
Pine wilt disease (PWD) is a devastating forest disease caused by the pinewood nematode (PWN), Bursaphelenchus xylophilus, a migratory endoparasite that infects several coniferous species. During the last 20 years, advances have been made for understanding the molecular bases of PWN-host trees interactions. Major advances emerged from transcriptomic and genomic studies, which revealed some unique features related to PWN pathogenicity and constituted fundamental data that allowed the development of postgenomic studies. Here we review the proteomic approaches that were applied to study PWD and integrated the current knowledge on the molecular basis of the PWN pathogenicity. Proteomics has been useful for understanding cellular activities and protein functions involved in PWN-host trees interactions, shedding light into the mechanisms associated with PWN pathogenicity and being promising tools to better clarify host trees PWN resistance/susceptibility.
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Affiliation(s)
- Joana M S Cardoso
- Centre for Functional Ecology, Associate Laboratory TERRA, Department of Life Sciences, University of Coimbra, Calçada Martins de Freitas, Coimbra, 3000-456, Portugal.
| | - Bruno Manadas
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, Polo I, Coimbra, 3004-504, Portugal
- CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Rua Larga - Faculdade de Medicina, 1ºandar - POLO I, Coimbra, 3004-504, Portugal
| | - Isabel Abrantes
- Centre for Functional Ecology, Associate Laboratory TERRA, Department of Life Sciences, University of Coimbra, Calçada Martins de Freitas, Coimbra, 3000-456, Portugal
| | - Lee Robertson
- Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, CSIC. Instituto de Ciencias Forestales (ICIFOR), Ctra. de La Coruña Km 7.5, Madrid, 28040, Spain
| | - Susana C Arcos
- Museo Nacional de Ciencias Naturales, CSIC. Dpto Biodiversidad y Biología Evolutiva, C/ José Gutiérrez Abascal 2, Madrid, 28006, Spain
| | - Maria Teresa Troya
- Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, CSIC. Instituto de Ciencias Forestales (ICIFOR), Ctra. de La Coruña Km 7.5, Madrid, 28040, Spain
| | - Alfonso Navas
- Museo Nacional de Ciencias Naturales, CSIC. Dpto Biodiversidad y Biología Evolutiva, C/ José Gutiérrez Abascal 2, Madrid, 28006, Spain
| | - Luís Fonseca
- Centre for Functional Ecology, Associate Laboratory TERRA, Department of Life Sciences, University of Coimbra, Calçada Martins de Freitas, Coimbra, 3000-456, Portugal
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Liu S, Chen L, Qiao X, Ren J, Zhou C, Yang Y. Functional Evolution of Pseudofabraea citricarpa as an Adaptation to Temperature Change. J Fungi (Basel) 2024; 10:109. [PMID: 38392781 PMCID: PMC10890082 DOI: 10.3390/jof10020109] [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: 11/28/2023] [Revised: 01/15/2024] [Accepted: 01/25/2024] [Indexed: 02/24/2024] Open
Abstract
Citrus target spot, caused by Pseudofabraea citricarpa, was formerly considered a cold-tolerant fungal disease. However, it has now spread from high-latitude regions to warmer low-latitude regions. Here, we conducted physiological observations on two different strains of the fungus collected from distinct regions, and evaluated their pathogenicity. Interestingly, the CQWZ collected from a low-latitude orchard, exhibited higher temperature tolerance and pathogenicity when compared to the SXCG collected from a high-latitude orchard. To further understand the evolution of temperature tolerance and virulence in these pathogens during the spread process, as well as the mechanisms underlying these differences, we performed genomic comparative analysis. The genome size of CQWZ was determined to be 44,004,669 bp, while the genome size of SXCG was determined to be 45,377,339 bp. Through genomic collinearity analysis, we identified two breakpoints and rearrangements during the evolutionary process of these two strains. Moreover, gene annotation results revealed that the CQWZ possessed 376 annotated genes in the "Xenobiotics biodegradation and metabolism" pathway, which is 79 genes more than the SXCG. The main factor contributing to this difference was the presence of salicylate hydroxylase. We also observed variations in the oxidative stress pathways and core pathogenic genes. The CQWZ exhibited the presence of a heat shock protein (HSP SSB), a catalase (CAT2), and 13 core pathogenic genes, including a LysM effector, in comparison to the SXCG. Furthermore, there were significant disparities in the gene clusters responsible for the production of seven metabolites, such as Fumonisin and Brefeldin. Finally, we identified the regulatory relationship, with the HOG pathway at its core, that potentially contributes to the differences in thermotolerance and virulence. As the global climate continues to warm, crop pathogens are increasingly expanding to new territories. Our findings will enhance understanding of the evolution mechanisms of pathogens under climate change.
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Affiliation(s)
- Saifei Liu
- Key Laboratory of Agricultural Biosafety and Green Production of Upper Yangtze River (Ministry of Education), College of Plant Protection, Southwest University, Beibei, Chongqing 400716, China
| | - Li Chen
- Plant Protection and Fruit Tree Technology Extension Station of Wanzhou District in Chongqing, Chongqing 404199, China
| | - Xinghua Qiao
- Plant Protection and Fruit Tree Technology Extension Station of Wanzhou District in Chongqing, Chongqing 404199, China
| | - Jiequn Ren
- The Chongqing Three Gorges Academy of Agricultural Sciences, Chongqing 404150, China
| | - Changyong Zhou
- Citrus Research Institute, Southwest University, Beibei, Chongqing 400712, China
| | - Yuheng Yang
- Key Laboratory of Agricultural Biosafety and Green Production of Upper Yangtze River (Ministry of Education), College of Plant Protection, Southwest University, Beibei, Chongqing 400716, China
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Silva EC, Quinde CA, Cieza B, Basu A, Vila MMDC, Balcão VM. Molecular Characterization and Genome Mechanical Features of Two Newly Isolated Polyvalent Bacteriophages Infecting Pseudomonas syringae pv. garcae. Genes (Basel) 2024; 15:113. [PMID: 38255005 PMCID: PMC10815195 DOI: 10.3390/genes15010113] [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: 12/09/2023] [Revised: 01/06/2024] [Accepted: 01/16/2024] [Indexed: 01/24/2024] Open
Abstract
Coffee plants have been targeted by a devastating bacterial disease, a condition known as bacterial blight, caused by the phytopathogen Pseudomonas syringae pv. garcae (Psg). Conventional treatments of coffee plantations affected by the disease involve frequent spraying with copper- and kasugamycin-derived compounds, but they are both highly toxic to the environment and stimulate the appearance of bacterial resistance. Herein, we report the molecular characterization and mechanical features of the genome of two newly isolated (putative polyvalent) lytic phages for Psg. The isolated phages belong to class Caudoviricetes and present a myovirus-like morphotype belonging to the genuses Tequatrovirus (PsgM02F) and Phapecoctavirus (PsgM04F) of the subfamilies Straboviridae (PsgM02F) and Stephanstirmvirinae (PsgM04F), according to recent bacterial viruses' taxonomy, based on their complete genome sequences. The 165,282 bp (PsgM02F) and 151,205 bp (PsgM04F) genomes do not feature any lysogenic-related (integrase) genes and, hence, can safely be assumed to follow a lytic lifestyle. While phage PsgM02F produced a morphogenesis yield of 124 virions per host cell, phage PsgM04F produced only 12 virions per host cell, indicating that they replicate well in Psg with a 50 min latency period. Genome mechanical analyses established a relationship between genome bendability and virion morphogenesis yield within infected host cells.
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Affiliation(s)
- Erica C. Silva
- VBlab—Laboratory of Bacterial Viruses, University of Sorocaba, Sorocaba 18023-000, SP, Brazil; (E.C.S.); (M.M.D.C.V.)
| | - Carlos A. Quinde
- Department of Biological Sciences, University of South Carolina, Columbia, SC 29208, USA;
| | - Basilio Cieza
- Department of Biophysics and Biophysical Chemistry, Johns Hopkins University, Baltimore, MD 21218, USA;
| | - Aakash Basu
- Department of Biosciences, Durham University, Durham DH1 3LE, UK;
| | - Marta M. D. C. Vila
- VBlab—Laboratory of Bacterial Viruses, University of Sorocaba, Sorocaba 18023-000, SP, Brazil; (E.C.S.); (M.M.D.C.V.)
| | - Victor M. Balcão
- VBlab—Laboratory of Bacterial Viruses, University of Sorocaba, Sorocaba 18023-000, SP, Brazil; (E.C.S.); (M.M.D.C.V.)
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, P-3810-193 Aveiro, Portugal
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Kim DY, Patel SKS, Rasool K, Lone N, Bhatia SK, Seth CS, Ghodake GS. Bioinspired silver nanoparticle-based nanocomposites for effective control of plant pathogens: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168318. [PMID: 37956842 DOI: 10.1016/j.scitotenv.2023.168318] [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: 05/15/2023] [Revised: 09/15/2023] [Accepted: 11/02/2023] [Indexed: 11/15/2023]
Abstract
Plant pathogens, including bacteria, fungi, and viruses, pose significant challenges to the farming community due to their extensive diversity, the rapidly evolving phenomenon of multi-drug resistance (MDR), and the limited availability of effective control measures. Amid mounting global pressure, particularly from the World Health Organization, to limit the use of antibiotics in agriculture and livestock management, there is increasing consideration of engineered nanomaterials (ENMs) as promising alternatives for antimicrobial applications. Studies focusing on the application of ENMs in the fight against MDR pathogens are receiving increasing attention, driven by significant losses in agriculture and critical knowledge gaps in this crucial field. In this review, we explore the potential contributions of silver nanoparticles (AgNPs) and their nanocomposites in combating plant diseases, within the emerging interdisciplinary arena of nano-phytopathology. AgNPs and their nanocomposites are increasingly acknowledged as promising countermeasures against plant pathogens, owing to their unique physicochemical characteristics and inherent antimicrobial properties. This review explores recent advancements in engineered nanocomposites, highlights their diverse mechanisms for pathogen control, and draws attention to their potential in antibacterial, antifungal, and antiviral applications. In the discussion, we briefly address three crucial dimensions of combating plant pathogens: green synthesis approaches, toxicity-environmental concerns, and factors influencing antimicrobial efficacy. Finally, we outline recent advancements, existing challenges, and prospects in scholarly research to facilitate the integration of nanotechnology across interdisciplinary fields for more effective treatment and prevention of plant diseases.
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Affiliation(s)
- Dae-Young Kim
- Department of Biological and Environmental Science, Dongguk University-Seoul, 32 Dongguk-ro, Ilsandong-gu, Goyang-si 10326, Gyeonggi-do, Republic of Korea
| | | | - Kashif Rasool
- Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University, Qatar Foundation, Doha, Qatar
| | - Nasreena Lone
- School of Allied Healthcare and Sciences, JAIN Deemed University, Whitefield, Bangalore 560066, India
| | - Shashi Kant Bhatia
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Republic of Korea
| | | | - Gajanan Sampatrao Ghodake
- Department of Biological and Environmental Science, Dongguk University-Seoul, 32 Dongguk-ro, Ilsandong-gu, Goyang-si 10326, Gyeonggi-do, Republic of Korea.
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Tian Y, Chen X, Xu P, Wang Y, Wu X, Wu K, Fu X, Chin Y, Liao Y. Rapid Visual Detection of Elite Erect Panicle Dense and Erect Panicle 1 Allele for Marker-Assisted Improvement in Rice ( Oryza sativa L.) Using the Loop-Mediated Isothermal Amplification Method. Curr Issues Mol Biol 2024; 46:498-512. [PMID: 38248334 PMCID: PMC10814556 DOI: 10.3390/cimb46010032] [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: 11/30/2023] [Revised: 12/28/2023] [Accepted: 01/02/2024] [Indexed: 01/23/2024] Open
Abstract
Molecular-assisted breeding is an effective way to improve targeted agronomic traits. dep1 (dense and erect panicle 1) is a pleiotropic gene that regulates yield, quality, disease resistance, and stress tolerance, traits that are of great value in rice (Oryza sativa L.) breeding. In this study, a colorimetric LAMP (loop-mediated isothermal amplification) assay was developed for the detection of the dep1 allele and tested for the screening and selection of the heavy-panicle hybrid rice elite restorer line SHUHUI498, modified with the allele. InDel (Insertion and Deletion) primers (DEP1_F and DEP1_R) and LAMP primers (F3, B3, FIP, and BIP) for genotyping were designed using the Primer3 Plus (version 3.3.0) and PrimerExplore (version 5) software. Our results showed that both InDel and LAMP markers could be used for accurate genotyping. After incubation at a constant temperature of 65 °C for 60 min with hydroxynaphthol blue (HNB) as a color indicator, the color of the LAMP assay containing the dep1 allele changed to sky blue. The SHUHUI498 rice line that was detected in our LAMP assay displayed phenotypes consistent with the dep1 allele such as having a more compact plant architecture, straight stems and leaves, and a significant increase in the number of effective panicles and spikelets, demonstrating the effectiveness of our method in screening for the dep1 allele in rice breeding.
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Affiliation(s)
- Yonghang Tian
- College of Food Science and Engineering, Hainan Tropical Ocean University, No. 1 Yucai Road, Sanya 572022, China; (Y.T.); (X.C.)
- Marine Food Engineering Technology Research Center of Hainan Province, No. 1 Yucai Road, Sanya 572022, China
| | - Xiyi Chen
- College of Food Science and Engineering, Hainan Tropical Ocean University, No. 1 Yucai Road, Sanya 572022, China; (Y.T.); (X.C.)
- Marine Food Engineering Technology Research Center of Hainan Province, No. 1 Yucai Road, Sanya 572022, China
| | - Peizhou Xu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, No. 211 Huiming Road, Chengdu 611130, China; (P.X.); (Y.W.); (X.W.)
| | - Yuping Wang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, No. 211 Huiming Road, Chengdu 611130, China; (P.X.); (Y.W.); (X.W.)
| | - Xianjun Wu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, No. 211 Huiming Road, Chengdu 611130, China; (P.X.); (Y.W.); (X.W.)
| | - Kun Wu
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, No. 1 West Beichen Road, Beijing 100101, China; (K.W.); (X.F.)
| | - Xiangdong Fu
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, No. 1 West Beichen Road, Beijing 100101, China; (K.W.); (X.F.)
| | - Yaoxian Chin
- College of Food Science and Engineering, Hainan Tropical Ocean University, No. 1 Yucai Road, Sanya 572022, China; (Y.T.); (X.C.)
- Marine Food Engineering Technology Research Center of Hainan Province, No. 1 Yucai Road, Sanya 572022, China
| | - Yongxiang Liao
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Rice Research Institute, Sichuan Agricultural University, No. 211 Huiming Road, Chengdu 611130, China; (P.X.); (Y.W.); (X.W.)
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48
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Hudson J, Egan S. Marine diseases and the Anthropocene: Understanding microbial pathogenesis in a rapidly changing world. Microb Biotechnol 2024; 17:e14397. [PMID: 38217393 PMCID: PMC10832532 DOI: 10.1111/1751-7915.14397] [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: 11/22/2023] [Accepted: 12/20/2023] [Indexed: 01/15/2024] Open
Abstract
Healthy marine ecosystems are paramount for Earth's biodiversity and are key to sustaining the global economy and human health. The effects of anthropogenic activity represent a pervasive threat to the productivity of marine ecosystems, with intensifying environmental stressors such as climate change and pollution driving the occurrence and severity of microbial diseases that can devastate marine ecosystems and jeopardise food security. Despite the potentially catastrophic outcomes of marine diseases, our understanding of host-pathogen interactions remains an understudied aspect of both microbiology and environmental research, especially when compared to the depth of information available for human and agricultural systems. Here, we identify three avenues of research in which we can advance our understanding of marine disease in the context of global change, and make positive steps towards safeguarding marine communities for future generations.
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Affiliation(s)
- Jennifer Hudson
- Centre for Marine Science and Innovation, School of Biological, Earth and Environmental SciencesThe University of New South WalesSydneyNew South WalesAustralia
| | - Suhelen Egan
- Centre for Marine Science and Innovation, School of Biological, Earth and Environmental SciencesThe University of New South WalesSydneyNew South WalesAustralia
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Shao X, Wu Q, Li L, He W, He X, Cheng D, Murero A, Lin L, Wang L, Zhong C, Huang L, Qian G. Adapting the inoculation methods of kiwifruit canker disease to identify efficient biocontrol bacteria from branch microbiome. MOLECULAR PLANT PATHOLOGY 2024; 25:e13399. [PMID: 37921929 PMCID: PMC10788592 DOI: 10.1111/mpp.13399] [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: 07/20/2023] [Revised: 10/05/2023] [Accepted: 10/05/2023] [Indexed: 11/05/2023]
Abstract
Pseudomonas syringae pv. actinidiae (Psa), the bacterium that causes kiwifruit bacterial canker, is a common field occurrence that is difficult to control globally. Currently, exploring the resources for efficient biocontrol bacteria is a hot spot in the field. The common strategy for isolating biocontrol bacteria is to directly isolate biocontrol bacteria that can secrete diffusible antibacterial substances, most of which are members of Bacillus, Pseudomonas and Streptomycetaceae, from disease samples or soil. Here, we report a new approach by adapting the typical isolation methods of kiwifruit canker disease to identify efficient biocontrol bacteria from the branch microbiome. Using this unique approach, we isolated a group of kiwifruit biocontrol agents (KBAs) from the branch microbiome of Psa-resistant varieties. Thirteen of these showed no antagonistic activity in vitro, which depends on the secretion of antibacterial compounds. However, they exhibited antibacterial activity via cell-to-cell contacts mimicked by co-culture on agar plates. Through biocontrol tests on plants, two isolates, KBA13 and KBA19, demonstrated their effectiveness by protecting kiwifruit branches from Psa infection. Using KBA19, identified as Pantoea endophytica, as a representative, we found that this bacterium uses the type VI secretion system (T6SS) as the main contact-dependent antibacterial weapon that acts via translocating toxic effector proteins into Psa cells to induce cell death, and that this capacity expressed by KBA19 is common to various Psa strains from different countries. Our findings highlight a new strategy to identify efficient biocontrol agents that use the T6SS to function in an antibacterial metabolite-independent manner to control wood diseases.
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Affiliation(s)
- Xiaolong Shao
- Key Laboratory of Integrated Management of Crop Diseases and PestsCollege of Plant Protection, State Key Laboratory of Biological Interactions and Crop Health, Nanjing Agricultural UniversityNanjingChina
| | - Qianhua Wu
- Key Laboratory of Integrated Management of Crop Diseases and PestsCollege of Plant Protection, State Key Laboratory of Biological Interactions and Crop Health, Nanjing Agricultural UniversityNanjingChina
| | - Li Li
- CAS Engineering Laboratory for Kiwifruit Industrial Technology, CAS Key Laboratory of Plant Germplasm Enhancement and Specialty AgricultureWuhan Botanical Garden, Chinese Academy of SciencesWuhanHubei ProvinceChina
| | - Weimei He
- Key Laboratory of Integrated Management of Crop Diseases and PestsCollege of Plant Protection, State Key Laboratory of Biological Interactions and Crop Health, Nanjing Agricultural UniversityNanjingChina
| | - Xueting He
- Key Laboratory of Integrated Management of Crop Diseases and PestsCollege of Plant Protection, State Key Laboratory of Biological Interactions and Crop Health, Nanjing Agricultural UniversityNanjingChina
| | - Dongjin Cheng
- Key Laboratory of Integrated Management of Crop Diseases and PestsCollege of Plant Protection, State Key Laboratory of Biological Interactions and Crop Health, Nanjing Agricultural UniversityNanjingChina
| | - Aprodisia Murero
- Key Laboratory of Integrated Management of Crop Diseases and PestsCollege of Plant Protection, State Key Laboratory of Biological Interactions and Crop Health, Nanjing Agricultural UniversityNanjingChina
| | - Long Lin
- Key Laboratory of Integrated Management of Crop Diseases and PestsCollege of Plant Protection, State Key Laboratory of Biological Interactions and Crop Health, Nanjing Agricultural UniversityNanjingChina
| | - Limin Wang
- Key Laboratory of Integrated Management of Crop Diseases and PestsCollege of Plant Protection, State Key Laboratory of Biological Interactions and Crop Health, Nanjing Agricultural UniversityNanjingChina
| | - Caihong Zhong
- CAS Engineering Laboratory for Kiwifruit Industrial Technology, CAS Key Laboratory of Plant Germplasm Enhancement and Specialty AgricultureWuhan Botanical Garden, Chinese Academy of SciencesWuhanHubei ProvinceChina
| | - Lili Huang
- State Key Laboratory of Crop Stress Biology for Arid AreasCollege of Plant Protection, Northwest A&F UniversityYanglingShanxiChina
| | - Guoliang Qian
- Key Laboratory of Integrated Management of Crop Diseases and PestsCollege of Plant Protection, State Key Laboratory of Biological Interactions and Crop Health, Nanjing Agricultural UniversityNanjingChina
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Hou S, Rodrigues O, Liu Z, Shan L, He P. Small holes, big impact: Stomata in plant-pathogen-climate epic trifecta. MOLECULAR PLANT 2024; 17:26-49. [PMID: 38041402 PMCID: PMC10872522 DOI: 10.1016/j.molp.2023.11.011] [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: 09/20/2023] [Revised: 11/09/2023] [Accepted: 11/28/2023] [Indexed: 12/03/2023]
Abstract
The regulation of stomatal aperture opening and closure represents an evolutionary battle between plants and pathogens, characterized by adaptive strategies that influence both plant resistance and pathogen virulence. The ongoing climate change introduces further complexity, affecting pathogen invasion and host immunity. This review delves into recent advances on our understanding of the mechanisms governing immunity-related stomatal movement and patterning with an emphasis on the regulation of stomatal opening and closure dynamics by pathogen patterns and host phytocytokines. In addition, the review explores how climate changes impact plant-pathogen interactions by modulating stomatal behavior. In light of the pressing challenges associated with food security and the unpredictable nature of climate changes, future research in this field, which includes the investigation of spatiotemporal regulation and engineering of stomatal immunity, emerges as a promising avenue for enhancing crop resilience and contributing to climate control strategies.
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Affiliation(s)
- Shuguo Hou
- Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agriculture Sciences in Weifang, Weifang, Shandong 261325, China; School of Municipal & Environmental Engineering, Shandong Jianzhu University, Jinan, Shandong 250101, China.
| | - Olivier Rodrigues
- Unité de Recherche Physiologie, Pathologie et Génétique Végétales, Université de Toulouse Midi-Pyrénées, INP-PURPAN, 31076 Toulouse, France
| | - Zunyong Liu
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Libo Shan
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Ping He
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA.
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