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Lukina E, Gomzhina M, Dalinova A, Dubovik V, Gordina E, Bozhkova S, Smirnov S, Berestetskiy A. Reappraisal of Didymella macrostoma causing white tip disease of Canada thistle as a new species, Didymella baileyae, sp. nov., and bioactivity of its major metabolites. Mycologia 2024:1-26. [PMID: 39178348 DOI: 10.1080/00275514.2024.2367470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 06/10/2024] [Indexed: 08/25/2024]
Abstract
Bioherbicides are expected to be a supplement to integrated pest management, assisting in the control of problematic weed species. For instance, bioherbicides (Phoma and BioPhoma) were recently registered in Canada and the USA for the control of some perennial dicotyledonous weeds in lawns. These products are based on strains of the fungus Didymella macrostoma (syn. Phoma macrostoma) that causes white tip disease (WTD) in Canada thistle (Cirsium arvense). In this study, WTD was reported for the first time in the Russian Federation. Analysis of the internal transcribed spacer (ITS) region of nuc rDNA and secondary metabolite profiling confirmed the identity of Russian WTD isolates to Canadian biocontrol strains identified as D. macrostoma. Multilocus phylogenetic analysis based on sequencing of the ITS region, partial large subunit nuc rDNA region (28S), RNA polymerase II second largest subunit gene (rpb2), and partial β-tubulin gene (tub2) has differentiated the WTD isolates from C. arvense and D. macrostoma isolates from other plant hosts. Based on phylogenetic, morphological, and chemotaxonomic features, these WTD isolates were described as a new species named Didymella baileyae, sp. nov. This study also demonstrated the low pathogenicity of the ex-type D. baileyae isolate VIZR 1.53 to C. arvense seedlings and its asymptomatic development in the leaves of aboveground shoots. The organic extracts from mycelium and culture filtrate of D. baileyae, as well as macrocidin A and macrocidin Z, displayed phytotoxicity both to C. arvense leaves and seedlings. Macrocidin A was only detected in the naturally infected leaf tissues of C. arvense showing WTD symptoms. Macrocidins A and Z demonstrated low antimicrobial and cytotoxic activities, exhibiting no entomotoxic properties. The data obtained within this study on the pathogenicity and metabolites of D. baileyae may be important for the rational evaluation of its prospects as a biocontrol agent.
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Affiliation(s)
- Elizaveta Lukina
- Laboratory of Phytotoxicology and Biotechnology, All-Russian Institute of Plant Protection, Pushkin, Saint Petersburg 196608, Russia
| | - Maria Gomzhina
- Laboratory of Mycology and Phytopathology, All-Russian Institute of Plant Protection, Pushkin, Saint Petersburg 196608, Russia
| | - Anna Dalinova
- Laboratory of Phytotoxicology and Biotechnology, All-Russian Institute of Plant Protection, Pushkin, Saint Petersburg 196608, Russia
| | - Vsevolod Dubovik
- Laboratory of Phytotoxicology and Biotechnology, All-Russian Institute of Plant Protection, Pushkin, Saint Petersburg 196608, Russia
| | - Ekaterina Gordina
- Department of Wound Infection Prevention and Treatment, Vreden National Medical Research Center of Traumatology and Orthopedics, Saint Petersburg 195427, Russia
| | - Svetlana Bozhkova
- Department of Wound Infection Prevention and Treatment, Vreden National Medical Research Center of Traumatology and Orthopedics, Saint Petersburg 195427, Russia
| | - Sergey Smirnov
- Magnetic Resonance Research Centre, St. Petersburg State University, Saint Petersburg 198504, Russia
| | - Alexander Berestetskiy
- Laboratory of Phytotoxicology and Biotechnology, All-Russian Institute of Plant Protection, Pushkin, Saint Petersburg 196608, Russia
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Ocán-Torres D, Martínez-Burgos WJ, Manzoki MC, Soccol VT, Neto CJD, Soccol CR. Microbial Bioherbicides Based on Cell-Free Phytotoxic Metabolites: Analysis and Perspectives on Their Application in Weed Control as an Innovative Sustainable Solution. PLANTS (BASEL, SWITZERLAND) 2024; 13:1996. [PMID: 39065523 PMCID: PMC11280510 DOI: 10.3390/plants13141996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 07/18/2024] [Accepted: 07/19/2024] [Indexed: 07/28/2024]
Abstract
Weeds cause significant agricultural losses worldwide, and herbicides have traditionally been the main solution to this problem. However, the extensive use of herbicides has led to multiple cases of weed resistance, which could generate an increase in the application concentration and consequently a higher persistence in the environment, hindering natural degradation processes. Consequently, more environmentally friendly alternatives, such as microbial bioherbicides, have been sought. Although these bioherbicides are promising, their efficacy remains a challenge, as evidenced by their limited commercial and industrial production. This article reviews the current status of microbial-based bioherbicides and highlights the potential of cell-free metabolites to improve their efficacy and commercial attractiveness. Stirred tank bioreactors are identified as the most widely used for production-scale submerged fermentation. In addition, the use of alternative carbon and nitrogen sources, such as industrial waste, supports the circular economy. Furthermore, this article discusses the optimization of downstream processes using bioprospecting and in silico technologies to identify target metabolites, which leads to more precise and efficient production strategies. Bacterial bioherbicides, particularly those derived from Pseudomonas and Xanthomonas, and fungal bioherbicides from genera such as Alternaria, Colletotrichum, Trichoderma and Phoma, show significant potential. Nevertheless, limitations such as their restricted range of action, their persistence in the environment, and regulatory issues restrict their commercial availability. The utilization of cell-free microbial metabolites is proposed as a promising solution due to their simpler handling and application. In addition, modern technologies, including encapsulation and integrated management with chemical herbicides, are investigated to enhance the efficacy and sustainability of bioherbicides.
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Affiliation(s)
| | - Walter José Martínez-Burgos
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná, Curitiba 81531-990, Brazil; (D.O.-T.); (M.C.M.); (V.T.S.); (C.J.D.N.)
| | | | | | | | - Carlos Ricardo Soccol
- Department of Bioprocess Engineering and Biotechnology, Federal University of Paraná, Curitiba 81531-990, Brazil; (D.O.-T.); (M.C.M.); (V.T.S.); (C.J.D.N.)
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Duke SO. Why are there no widely successful microbial bioherbicides for weed management in crops? PEST MANAGEMENT SCIENCE 2024; 80:56-64. [PMID: 37271934 DOI: 10.1002/ps.7595] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 05/21/2023] [Indexed: 06/06/2023]
Abstract
Microbial biopesticides to control plant pathogens and insects in crops have had significant success. However, there have been relatively few successes for microbial bioherbicides in crops, despite considerable numbers of publications and commercial product introductions in this area. Marketed microbial bioherbicide products for use in agriculture have been largely unsuccessful. This article covers the potential advantages of successful microbial bioherbicides, as well as the biological and technical issues that have limited their success. Technologies to overcome the problems that have limited the success of these products are discussed. The many advantages of using killed microbial products (e.g. cell-free filtrates) over living microbial products as bioherbicides are detailed. A commercialized mycoherbicide that has been selected for in the laboratory for control of the parasitic weed Striga hermonthica is being used with some success in Africa, indicating that non-transgenic modification of the genetics of bioherbicide microbes for improved efficacy is acceptable to some regulatory authorities. Genetic modifications to improve efficacy and host range, as well as improved application technology to greatly reduce the amount of product needed are two technologies that are likely to expand the use of microbial bioherbicides in the future. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Stephen O Duke
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, Oxford, Mississippi, USA
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Bendejacq-Seychelles A, Gibot-Leclerc S, Guillemin JP, Mouille G, Steinberg C. Phytotoxic fungal secondary metabolites as herbicides. PEST MANAGEMENT SCIENCE 2024; 80:92-102. [PMID: 37794581 DOI: 10.1002/ps.7813] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/28/2023] [Accepted: 10/05/2023] [Indexed: 10/06/2023]
Abstract
Among the alternatives to synthetic plant protection products, biocontrol appears as a promising method. This review reports on the diversity of fungal secondary metabolites phytotoxic to weeds and on the approach generally used to extract, characterize, identify and exploit them for weed management. The 183 phytotoxic fungal secondary metabolites discussed in this review fall into five main classes of molecules: 61 polyketides, 53 terpenoids, 36 nitrogenous metabolites, 18 phenols and phenolic acids, and 15 miscellaneous. They are mainly produced by the genera Drechslera, Fusarium and Alternaria. The phytotoxic effects, more often described by the symptoms they produce on plants than by their mode of action, range from inhibition of germination to inhibition of root and vegetative growth, including tissue and organ alterations. The biochemical characterization of fungal secondary metabolites requires expertise and tools to carry out fungal cultivation and metabolite extraction, phytotoxicity tests, purification and fractionation of the extracts, and chemical identification procedures. Phytotoxicity tests are mainly carried out under controlled laboratory conditions (not always on whole plants), while effectiveness against targeted weeds and environmental impacts must be assessed in greenhouses and open fields. These steps are necessary for the formulation of effective, environment-friendly fungal secondary metabolites-derived bioherbicides using new technologies such as nanomaterials. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Ana Bendejacq-Seychelles
- Agroécologie, INRAE, Institut Agro, Univ. Bourgogne, Univ Bourgogne Franche-Comté, Dijon, France
| | - Stéphanie Gibot-Leclerc
- Agroécologie, INRAE, Institut Agro, Univ. Bourgogne, Univ Bourgogne Franche-Comté, Dijon, France
| | - Jean-Philippe Guillemin
- Agroécologie, INRAE, Institut Agro, Univ. Bourgogne, Univ Bourgogne Franche-Comté, Dijon, France
| | - Gregory Mouille
- Univ Paris Saclay, AgroParisTech, INRAE, Inst Jean Pierre Bourgin, Versailles, France
| | - Christian Steinberg
- Agroécologie, INRAE, Institut Agro, Univ. Bourgogne, Univ Bourgogne Franche-Comté, Dijon, France
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Neal JC. Biological Control of Weeds in turfgrass: opportunities and misconceptions. PEST MANAGEMENT SCIENCE 2024; 80:40-48. [PMID: 36863875 DOI: 10.1002/ps.7436] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 02/20/2023] [Accepted: 03/03/2023] [Indexed: 06/18/2023]
Abstract
Turfgrass systems may offer opportunities for overcoming some constraints on the successful implementation of weed biocontrol. Of the roughly 16.4 million ha of turfgrass in the USA, ≈60-75% are in residential lawns and 3% are golf turf. Annual expenditures for a standard herbicide treatment regimen for residential turf are estimated to be ≈US$326 ha-1 , about 2-3-fold greater than that for USA corn and soybean growers. Expenditures can be >US$3000 ha-1 for control of certain weeds such as Poa annua in high-value areas including golf fairways or greens, but those applications are made to far smaller areas. Regulatory actions and consumer preferences are creating market opportunities for alternatives to synthetic herbicides in both commercial and consumer markets, but the size of these markets and willingness-to-pay are poorly documented. Turfgrass sites are intensively managed, yet despite the ability to modify site conditions through irrigation, mowing and fertility management, microbial biocontrol agents tested thus far have not provided the consistently high levels of weed control expected in the market. Recent advances in microbial bioherbicide products may offer a path to overcome many of the obstacles to success. No single herbicide will control the diversity of turfgrass weeds, nor will any single biocontrol agent or biopesticide. Successful development of weed biocontrol for turfgrass systems will require numerous, effective biocontrol agents for the many weed species found in turfgrass environments, as well as a deeper understanding of different turfgrass market segments, and weed management expectations for each segment. © 2023 The Author. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Joseph C Neal
- Department of Horticultural Science, North Carolina State University, Raleigh, NC, USA
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He S, Liu M, Chen W, Bai D, Liao Y, Bai L, Pan L. Eleusine indica Cytochrome P450 and Glutathione S-Transferase Are Linked to High-Level Resistance to Glufosinate. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:14243-14250. [PMID: 37749769 DOI: 10.1021/acs.jafc.3c04325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Eleusine indica has become a global nuisance weed and has evolved resistance to glufosinate. The involvement of target-site resistance (TSR) in glufosinate resistance in E. indica has been elucidated, while the role of nontarget-site resistance (NTSR) remains unclear. Here, we identified a glufosinate-resistant (R) population that is highly resistant to glufosinate, with a resistance index of 13.5-fold. Molecular analysis indicated that the resistance mechanism of this R population does not involve TSR. In addition, pretreatment with two known metabolic enzyme inhibitors, the cytochrome P450 (CYP450) inhibitor malathion and the glutathione S-transferase (GST) inhibitor 4-chloro-7-nitrobenzoxadiazole (NBD-Cl), increased the sensitivity of the R population to glufosinate. The results of subsequent RNA sequencing (RNA-seq) and quantitative real-time PCR (RT-qPCR) suggested that the constitutive overexpression of a GST gene (GSTU3) and three CYP450 genes (CYP94s and CYP71) may play an important role in glufosinate resistance. This study provides new insights into the resistance mechanism of E. indica.
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Affiliation(s)
- Sifen He
- Longping Branch, College of Biology, Hunan University, Changsha 410125, China
- Hunan Agricultural Biotechnology Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Min Liu
- College of Plant Protection, Hunan Agricultural University, Changsha 410128, China
| | - Wen Chen
- College of Plant Protection, Hunan Agricultural University, Changsha 410128, China
| | - Dingyi Bai
- College of Plant Protection, Hunan Agricultural University, Changsha 410128, China
| | - Yuxi Liao
- College of Plant Protection, Hunan Agricultural University, Changsha 410128, China
| | - Lianyang Bai
- Longping Branch, College of Biology, Hunan University, Changsha 410125, China
- College of Plant Protection, Hunan Agricultural University, Changsha 410128, China
- Hunan Agricultural Biotechnology Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Lang Pan
- College of Plant Protection, Hunan Agricultural University, Changsha 410128, China
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Gupta I, Singh R, Muthusamy S, Sharma M, Grewal K, Singh HP, Batish DR. Plant Essential Oils as Biopesticides: Applications, Mechanisms, Innovations, and Constraints. PLANTS (BASEL, SWITZERLAND) 2023; 12:2916. [PMID: 37631128 PMCID: PMC10458566 DOI: 10.3390/plants12162916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/01/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023]
Abstract
The advent of the "Green Revolution" was a great success in significantly increasing crop productivity. However, it involved high ecological costs in terms of excessive use of synthetic agrochemicals, raising concerns about agricultural sustainability. Indiscriminate use of synthetic pesticides resulted in environmental degradation, the development of pest resistance, and possible dangers to a variety of nontarget species (including plants, animals, and humans). Thus, a sustainable approach necessitates the exploration of viable ecofriendly alternatives. Plant-based biopesticides are attracting considerable attention in this context due to their target specificity, ecofriendliness, biodegradability, and safety for humans and other life forms. Among all the relevant biopesticides, plant essential oils (PEOs) or their active components are being widely explored against weeds, pests, and microorganisms. This review aims to collate the information related to the expansion and advancement in research and technology on the applications of PEOs as biopesticides. An insight into the mechanism of action of PEO-based bioherbicides, bioinsecticides, and biofungicides is also provided. With the aid of bibliometric analysis, it was found that ~75% of the documents on PEOs having biopesticidal potential were published in the last five years, with an annual growth rate of 20.51% and a citation per document of 20.91. Research on the biopesticidal properties of PEOs is receiving adequate attention from European (Italy and Spain), Asian (China, India, Iran, and Saudi Arabia), and American (Argentina, Brazil, and the United States of America) nations. Despite the increasing biopesticidal applications of PEOs and their widespread acceptance by governments, they face many challenges due to their inherent nature (lipophilicity and high volatility), production costs, and manufacturing constraints. To overcome these limitations, the incorporation of emerging innovations like the nanoencapsulation of PEOs, bioinformatics, and RNA-Seq in biopesticide development has been proposed. With these novel technological interventions, PEO-based biopesticides have the potential to be used for sustainable pest management in the future.
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Affiliation(s)
- Ipsa Gupta
- Department of Botany, Faculty of Science, Panjab University, Chandigarh 160014, India; (I.G.); (R.S.)
| | - Rishikesh Singh
- Department of Botany, Faculty of Science, Panjab University, Chandigarh 160014, India; (I.G.); (R.S.)
| | - Suganthi Muthusamy
- Department of Biotechnology, Vels Institute of Science, Technology & Advanced Studies, Pallavaram, Chennai 600117, India;
| | - Mansi Sharma
- Department of Environment Studies, Faculty of Science, Panjab University, Chandigarh 160014, India;
| | - Kamaljit Grewal
- Department of Botany, Khalsa College for Women, Civil Lines, Ludhiana 141001, India;
| | - Harminder Pal Singh
- Department of Environment Studies, Faculty of Science, Panjab University, Chandigarh 160014, India;
| | - Daizy R. Batish
- Department of Botany, Faculty of Science, Panjab University, Chandigarh 160014, India; (I.G.); (R.S.)
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Hoagland RE, Boyette CD, Stetina KC. Bioherbicidal Activity of Albifimbria verrucaria (Formerly Myrothecium verrucaria) on Glyphosate-Resistant Conyza canadensis. J Fungi (Basel) 2023; 9:773. [PMID: 37504761 PMCID: PMC10381147 DOI: 10.3390/jof9070773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 06/21/2023] [Accepted: 07/19/2023] [Indexed: 07/29/2023] Open
Abstract
The effects of the bioherbicidal activity of the fungal phytopathogen, Albifimbria verrucaria (AV), formerly Myrothecium verrucaria, on glyphosate-resistant and -susceptible Conyza canadensis (horseweed) were examined in greenhouse and field studies. Spray applications of mycelial formulations of AV infected both glyphosate-resistant and -susceptible C. canadensis plants at various growth stages. Young plants in the rosette leaf stage of growth were controlled more efficaciously than were older plants that had bolted or that were in the inflorescence stage; nevertheless, severe injury and mortality also occurred in mature plants. The results indicate that this bioherbicidal fungus can infect and control C. canadensis, thereby demonstrating the potential of this fungus as a bioherbicidal agent against this troublesome weed, which has become resistant to various herbicides.
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Affiliation(s)
- Robert E Hoagland
- USDA-ARS, Crop Production Systems Research Unit, Stoneville, MS 38776, USA
| | - C Douglas Boyette
- USDA-ARS, Biological Control of Pests Research Unit, Stoneville, MS 38776, USA
| | - Kenneth C Stetina
- USDA-ARS, Biological Control of Pests Research Unit, Stoneville, MS 38776, USA
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9
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Barbaś P, Aslan H, Aslan I, Skiba D, Otekunrin OA, Sawicka BH. Prospects for using pesticides in agriculture. AGRONOMY SCIENCE 2023; 78:97-120. [DOI: 10.24326/as.2023.5078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
Concerns about food safety issues have put considerable pressure on pesticide producers in Europe and worldwide to reduce the levels of pesticide residues in food. The aim of this work is to assess the use of traditional pesticides and their effects, to present perspectives in this field and to identify regulatory needs for their use and implementation. The work is based on a systematic review in which the research problem was defined, primary sources were selected and critically appraised, data were collected, analysed and evaluated, and conclusions were formulated. The state of the pesticide market and the current legal requirements for risk assessment in relation to exposure to chemical substances were reviewed. Food safety issues are presented through the prism of pesticide residues in food. Their widespread use and considerable persistence have made them ubiquitous in the natural environment and their residues pose a threat to the environment and to human and animal health. It has been shown that the most important factor influencing the search for new tools to control diseases and pests of crops is the progressive development of resistance of these populations to currently used pesticides. Various alternatives to the phasing out of synthetic pesticides in the form of natural products are therefore being developed to support the development of the natural products market.
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Tyutereva EV, Dalinova AA, Demchenko KN, Dmitrieva VA, Dubovik VR, Lukinskiy YV, Mitina GV, Voitsekhovskaja OV, Berestetskiy A. Effects of Phytotoxic Nonenolides, Stagonolide A and Herbarumin I, on Physiological and Biochemical Processes in Leaves and Roots of Sensitive Plants. Toxins (Basel) 2023; 15:toxins15040234. [PMID: 37104172 PMCID: PMC10145764 DOI: 10.3390/toxins15040234] [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: 01/31/2023] [Revised: 03/06/2023] [Accepted: 03/18/2023] [Indexed: 04/28/2023] Open
Abstract
Phytotoxic macrolides attract attention as prototypes of new herbicides. However, their mechanisms of action (MOA) on plants have not yet been elucidated. This study addresses the effects of two ten-membered lactones, stagonolide A (STA) and herbarumin I (HBI) produced by the fungus Stagonospora cirsii, on Cirsium arvense, Arabidopsis thaliana and Allium cepa. Bioassay of STA and HBI on punctured leaf discs of C. arvense and A. thaliana was conducted at a concentration of 2 mg/mL to evaluate phenotypic responses, the content of pigments, electrolyte leakage from leaf discs, the level of reactive oxygen species, Hill reaction rate, and the relative rise in chlorophyll a fluorescence. The toxin treatments resulted in necrotic and bleached leaf lesions in the dark and in the light, respectively. In the light, HBI treatment caused the drop of carotenoids content in leaves on both plants. The electrolyte leakage caused by HBI was light-dependent, in contrast with that caused by STA. Both compounds induced light-independent peroxide generation in leaf cells but did not affect photosynthesis 6 h after treatment. STA (10 µg/mL) caused strong disorders in root cells of A. thaliana leading to the complete dissipation of the mitochondrial membrane potential one hour post treatment, as well as DNA fragmentation and disappearance of acidic vesicles in the division zone after 8 h; the effects of HBI (50 µg/mL) were much milder. Furthermore, STA was found to inhibit mitosis but did not affect the cytoskeleton in cells of root tips of A. cepa and C. arvense, respectively. Finally, STA was supposed to inhibit the intracellular vesicular traffic from the endoplasmic reticulum to the Golgi apparatus, thus interfering with mitosis. HBI is likely to have another main MOA, probably inhibiting the biosynthesis of carotenoids.
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Affiliation(s)
- Elena V Tyutereva
- Laboratory of Molecular and Ecological Physiology, Komarov Botanical Institute, Russian Academy of Sciences, 197022 Saint-Petersburg, Russia
| | - Anna A Dalinova
- Laboratory of Phytotoxicology and Biotechnology, All-Russian Institute of Plant Protection, Pushkin, 196608 Saint-Petersburg, Russia
| | - Kirill N Demchenko
- Laboratory of Cellular and Molecular Mechanisms of Plant Development, Komarov Botanical Institute, Russian Academy of Sciences, 197022 Saint-Petersburg, Russia
| | - Valeriya A Dmitrieva
- Laboratory of Molecular and Ecological Physiology, Komarov Botanical Institute, Russian Academy of Sciences, 197022 Saint-Petersburg, Russia
| | - Vsevolod R Dubovik
- Laboratory of Phytotoxicology and Biotechnology, All-Russian Institute of Plant Protection, Pushkin, 196608 Saint-Petersburg, Russia
| | - Yuriy V Lukinskiy
- Laboratory of Molecular and Ecological Physiology, Komarov Botanical Institute, Russian Academy of Sciences, 197022 Saint-Petersburg, Russia
- Laboratory of Phytotoxicology and Biotechnology, All-Russian Institute of Plant Protection, Pushkin, 196608 Saint-Petersburg, Russia
| | - Galina V Mitina
- Laboratory of Microbiological Plant Protection, All-Russian Institute of Plant Protection, Pushkin, 196608 Saint-Petersburg, Russia
| | - Olga V Voitsekhovskaja
- Laboratory of Molecular and Ecological Physiology, Komarov Botanical Institute, Russian Academy of Sciences, 197022 Saint-Petersburg, Russia
| | - Alexander Berestetskiy
- Laboratory of Phytotoxicology and Biotechnology, All-Russian Institute of Plant Protection, Pushkin, 196608 Saint-Petersburg, Russia
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Marques MEM, de Carvalho AC, Yendo ACA, Magedans YVS, Zachert E, Fett-Neto AG. Phytotoxicity of Quillaja lancifolia Leaf Saponins and Their Bioherbicide Potential. PLANTS (BASEL, SWITZERLAND) 2023; 12:663. [PMID: 36771747 PMCID: PMC9919483 DOI: 10.3390/plants12030663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/27/2023] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
Weeds are major threats to the integrity of agricultural and natural environments due to their invasive and competing potential. Bioherbicides are substances based on natural compounds that are biodegradable and often have low residual effects. Plant species able to produce and release phytotoxic compounds may represent effective bioherbicide sources. Leaves of Quillaja lancifolia D.Don (formerly Q. brasiliensis (A.St.-Hil. & Tul.) Mart.) produce water-soluble specialized metabolites of the saponin class that could be evaluated for phytotoxic activity and potential as natural herbicides. This study was conducted to examine the impacts of Q. lancifolia total saponins aqueous extract (AE) at 4 and 10% (w/v) and of two combined reverse-phase chromatography purified saponin fractions (QB) at 1 and 2% (w/v) on morpho-physiological parameters of Lactuca sativa (lettuce) and Echinochloa crus-galli (barnyardgrass) in pre- and post-emergence bioassays. QB was only tested in pre-emergence assays. In pre-emergence bioassays, the germination rate and germination kinetics were determined. Post-emergence evaluations included effects on seedling morphology, root and shoot length, dry mass, and chlorophyll content. Osmotic potential and pH analyses ruled out roles for these factors in the observed responses. AE had a high inhibitory impact on the germination of both lettuce and barnyardgrass. QB at 1% and 2% (w/v) significantly decreased the growth of lettuce seedlings germinated in its presence by more than 10-fold. Phytotoxic effects on the post-emergence growth of lettuce, especially at the highest concentration tested of AE (10% w/v), was also observed. The presence of quillaic acid-based triterpene saponins in AE and QB was confirmed using different analytical methods. Therefore, both saponin-enriched fraction and aqueous extracts of Q. lancifolia inhibited tested plant growth and development. The water solubility of saponins and the availability of a sustainable source of these molecules from the leaves of cultivated young Q. lancifolia plants make them attractive candidates for use as bioherbicides.
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Affiliation(s)
- Maria E. M. Marques
- Plant Physiology Laboratory, Center for Biotechnology and Department of Botany, Federal University of Rio Grande do Sul, Porto Alegre 91501-970, RS, Brazil
| | - Ana C. de Carvalho
- Plant Physiology Laboratory, Center for Biotechnology and Department of Botany, Federal University of Rio Grande do Sul, Porto Alegre 91501-970, RS, Brazil
| | - Anna C. A. Yendo
- Arborea Biotechnology, Center for Biotechnology Start Up Incubator (IECBiot), UFRGS, Porto Alegre 91501-970, RS, Brazil
| | - Yve V. S. Magedans
- Plant Physiology Laboratory, Center for Biotechnology and Department of Botany, Federal University of Rio Grande do Sul, Porto Alegre 91501-970, RS, Brazil
| | - Eliane Zachert
- Plant Physiology Laboratory, Center for Biotechnology and Department of Botany, Federal University of Rio Grande do Sul, Porto Alegre 91501-970, RS, Brazil
| | - Arthur G. Fett-Neto
- Plant Physiology Laboratory, Center for Biotechnology and Department of Botany, Federal University of Rio Grande do Sul, Porto Alegre 91501-970, RS, Brazil
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12
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Berestetskiy A. Modern Approaches for the Development of New Herbicides Based on Natural Compounds. PLANTS (BASEL, SWITZERLAND) 2023; 12:234. [PMID: 36678947 PMCID: PMC9864389 DOI: 10.3390/plants12020234] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/13/2022] [Accepted: 12/24/2022] [Indexed: 05/12/2023]
Abstract
Weeds are a permanent component of anthropogenic ecosystems. They require strict control to avoid the accumulation of their long-lasting seeds in the soil. With high crop infestation, many elements of crop production technologies (fertilization, productive varieties, growth stimulators, etc.) turn out to be practically meaningless due to high yield losses. Intensive use of chemical herbicides (CHs) has led to undesirable consequences: contamination of soil and wastewater, accumulation of their residues in the crop, and the emergence of CH-resistant populations of weeds. In this regard, the development of environmentally friendly CHs with new mechanisms of action is relevant. The natural phytotoxins of plant or microbial origin may be explored directly in herbicidal formulations (biorational CHs) or indirectly as scaffolds for nature-derived CHs. This review considers (1) the main current trends in the development of CHs that may be important for the enhancement of biorational herbicides; (2) the advances in the development and practical application of natural compounds for weed control; (3) the use of phytotoxins as prototypes of synthetic herbicides. Some modern approaches, such as computational methods of virtual screening and design of herbicidal molecules, development of modern formulations, and determination of molecular targets, are stressed as crucial to make the exploration of natural compounds more effective.
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Affiliation(s)
- Alexander Berestetskiy
- Laboratory of Phytotoxicology and Biotechnology, All-Russian Institute of Plant Protection, Pushkin, 196608 Saint-Petersburg, Russia
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13
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Roberts J, Florentine S, Fernando WGD, Tennakoon KU. Achievements, Developments and Future Challenges in the Field of Bioherbicides for Weed Control: A Global Review. PLANTS 2022; 11:plants11172242. [PMID: 36079623 PMCID: PMC9460325 DOI: 10.3390/plants11172242] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/19/2022] [Accepted: 08/20/2022] [Indexed: 11/16/2022]
Abstract
The intrusion of weeds into fertile areas has resulted in significant global economic and environmental impacts on agricultural production systems and native ecosystems, hence without ongoing and repeated management actions, the maintenance or restoration of these systems will become increasingly challenging. The establishment of herbicide resistance in many species and unwanted pollution caused by synthetic herbicides has ushered in the need for alternative, eco-friendly sustainable management strategies, such as the use of bioherbicides. Of the array of bioherbicides currently available, the most successful products appear to be sourced from fungi (mycoherbicides), with at least 16 products being developed for commercial use globally. Over the last few decades, bioherbicides sourced from bacteria and plant extracts (such as allelochemicals and essential oils), together with viruses, have also shown marked success in controlling various weeds. Despite this encouraging trend, ongoing research is still required for these compounds to be economically viable and successful in the long term. It is apparent that more focused research is required for (i) the improvement of the commercialisation processes, including the cost-effectiveness and scale of production of these materials; (ii) the discovery of new production sources, such as bacteria, fungi, plants or viruses and (iii) the understanding of the environmental influence on the efficacy of these compounds, such as atmospheric CO2, humidity, soil water stress, temperature and UV radiation.
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Affiliation(s)
- Jason Roberts
- Future Regions Research Centre, Institute of Innovation, Science and Sustainability, Federation University Australia, Ballarat 3350, VIC, Australia
| | - Singarayer Florentine
- Future Regions Research Centre, Institute of Innovation, Science and Sustainability, Federation University Australia, Ballarat 3350, VIC, Australia
- Correspondence: ; Tel.: +61-3-5327-9231
| | | | - Kushan U. Tennakoon
- Future Regions Research Centre, Institute of Innovation, Science and Sustainability, Federation University Australia, Berwick Campus, Berwick 3806, VIC, Australia
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14
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Noguera MM, Porri A, Werle IS, Heiser J, Brändle F, Lerchl J, Murphy B, Betz M, Gatzmann F, Penkert M, Tuerk C, Meyer L, Roma-Burgos N. Involvement of glutamine synthetase 2 (GS2) amplification and overexpression in Amaranthus palmeri resistance to glufosinate. PLANTA 2022; 256:57. [PMID: 35960361 PMCID: PMC9374794 DOI: 10.1007/s00425-022-03968-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Accepted: 07/24/2022] [Indexed: 06/15/2023]
Abstract
Amplification and overexpression of the target site glutamine synthetase, specifically the plastid-located isoform, confers resistance to glufosinate in Amaranthus palmeri. This mechanism is novel among glufosinate-resistant weeds. Amaranthus palmeri has recently evolved resistance to glufosinate herbicide. Several A. palmeri populations from Missouri and Mississippi, U.S.A. had survivors when sprayed with glufosinate-ammonium (GFA, 657 g ha-1). One population, MO#2 (fourfold resistant) and its progeny (sixfold resistant), were used to study the resistance mechanism, focusing on the herbicide target glutamine synthetase (GS). We identified four GS genes in A. palmeri; three were transcribed: one coding for the plastidic protein (GS2) and two coding for cytoplasmic isoforms (GS1.1 and GS1.2). These isoforms did not contain mutations associated with resistance. The 17 glufosinate survivors studied showed up to 21-fold increase in GS2 copies. GS2 was expressed up to 190-fold among glufosinate survivors. GS1.1 was overexpressed > twofold in only 3 of 17, and GS1.2 in 2 of 17 survivors. GS inhibition by GFA causes ammonia accumulation in susceptible plants. Ammonia level was analyzed in 12 F1 plants. GS2 expression was negatively correlated with ammonia level (r = - 0.712); therefore, plants with higher GS2 expression are less sensitive to GFA. The operating efficiency of photosystem II (ϕPSII) of Nicotiana benthamiana overexpressing GS2 was four times less inhibited by GFA compared to control plants. Therefore, increased copy and overexpression of GS2 confer resistance to GFA in A. palmeri (or other plants). We present novel understanding of the role of GS2 in resistance evolution to glufosinate.
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Affiliation(s)
- Matheus M Noguera
- Department of Crop, Soil, and Environmental Sciences, University of Arkansas, 1371 W Altheimer Dr, Fayetteville, AR, 72704, USA
| | - Aimone Porri
- BASF SE, Agricultural Research Station, Limburgerhof, Germany
| | - Isabel S Werle
- Department of Crop, Soil, and Environmental Sciences, University of Arkansas, 1371 W Altheimer Dr, Fayetteville, AR, 72704, USA
- Department of Crop Sciences, University of Illinois, Champaign, USA
| | - James Heiser
- Fisher Delta Research Center, University of Missouri, Portageville, MO, USA
| | | | - Jens Lerchl
- BASF SE, Agricultural Research Station, Limburgerhof, Germany
| | - Brent Murphy
- BASF SE, Agricultural Research Station, Limburgerhof, Germany
| | - Michael Betz
- BASF SE, Agricultural Research Station, Limburgerhof, Germany
| | - Fanny Gatzmann
- BASF SE, Agricultural Research Station, Limburgerhof, Germany
| | - Martin Penkert
- BASF SE, Agricultural Research Station, Limburgerhof, Germany
| | - Clara Tuerk
- BASF SE, Agricultural Research Station, Limburgerhof, Germany
| | - Lucie Meyer
- BASF SE, Agricultural Research Station, Limburgerhof, Germany
| | - Nilda Roma-Burgos
- Department of Crop, Soil, and Environmental Sciences, University of Arkansas, 1371 W Altheimer Dr, Fayetteville, AR, 72704, USA.
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Essential Oils of Three Aromatic Plant Species as Natural Herbicides for Environmentally Friendly Agriculture. SUSTAINABILITY 2022. [DOI: 10.3390/su14063596] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Natural herbicides based on essential oils (EOs) extracted from aromatic plants are gaining relevance in contemporary agriculture. Due to their allelopathic properties, they have an inhibitory effect on the germination and growth of different species, having, in general, the advantage of high specificity. For this reason, the analysis of the effects of these natural compounds on noxious weeds is continuously increasing. In the present study, three commercial EOs extracted from Mentha piperita L., Thymbra capitata (L.) Cav. and Santolina chamaecyparissus L. were tested on two invasive weeds with an increasing presence in southern Europe, Erigeron bonariensis L. and Araujia sericifera Brot. Five concentrations (0.125, 0.25, 0.50, 1 and 2 µL mL–1) were tested in a randomized manner for each essential oil and five replicates with 20 seeds each for E. bonariensis and 10 replicates with 10 seeds each for A. sericifera. Two higher concentrations of 4 and 8 μL mL–1 of the three EOs were applied with irrigation on the plants of the two species at the vegetative growth stage. The number of replicas for each treatment and species was 7. The results obtained confirmed the significant inhibitory effects on seed germination and early seedling development, especially in E. bonariensis; of the three EOs, peppermint had the strongest effect, completely preventing germination in both species. Multivariate analysis, performed on several morphological traits scored after one month of treatment in young plants, showed a different pattern: the highest inhibition was recorded in A. sericifera and the greatest reduction in growth in the treatment with the highest dose of Santolina EO. The results obtained revealed the efficacy of these natural compounds and the specificity of their toxicity according to the species and stage of development.
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