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Álvarez-Rodríguez S, Araniti F, Teijeira M, Reigosa MJ, Sánchez-Moreiras AM. Azelaic acid can efficiently compete for the auxin binding site TIR1, altering auxin polar transport, gravitropic response, and root growth and architecture in Arabidopsisthaliana roots. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 210:108592. [PMID: 38569422 DOI: 10.1016/j.plaphy.2024.108592] [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: 01/27/2024] [Accepted: 03/31/2024] [Indexed: 04/05/2024]
Abstract
The present study investigates the phytotoxic potential of azelaic acid (AZA) on Arabidopsis thaliana roots. Effects on root morphology, anatomy, auxin content and transport, gravitropic response and molecular docking were analysed. AZA inhibited root growth, stimulated lateral and adventitious roots, and altered the root apical meristem by reducing meristem cell number, length and width. The treatment also slowed down the roots' gravitropic response, likely due to a reduction in statoliths, starch-rich organelles involved in gravity perception. In addition, auxin content, transport and distribution, together with PIN proteins' expression and localisation were altered after AZA treatment, inducing a reduction in auxin transport and its distribution into the meristematic zone. Computational simulations showed that AZA has a high affinity for the auxin receptor TIR1, competing with auxin for the binding site. The AZA binding with TIR1 could interfere with the normal functioning of the TIR1/AFB complex, disrupting the ubiquitin E3 ligase complex and leading to alterations in the response of the plant, which could perceive AZA as an exogenous auxin. Our results suggest that AZA mode of action could involve the modulation of auxin-related processes in Arabidopsis roots. Understanding such mechanisms could lead to find environmentally friendly alternatives to synthetic herbicides.
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Affiliation(s)
- Sara Álvarez-Rodríguez
- Universidade de Vigo. Departamento de Bioloxía Vexetal e Ciencias do Solo, Facultade de Bioloxía, Campus Lagoas-Marcosende s/n, 36310, Vigo, Spain; Instituto de Agroecoloxía e Alimentación (IAA). Universidade de Vigo - Campus Auga, 32004, Ourense, Spain
| | - Fabrizio Araniti
- Dipartimento di Scienze Agrarie e Ambientali - Produzione, Territorio, Agroenergia, Università Statale di Milano, Via Celoria nº2, 20133, Milano, Italy.
| | - Marta Teijeira
- Departamento de Química Orgánica, Facultade de Química, Universidade de Vigo, 36310, Vigo, Spain; Instituto de Investigación Sanitaria Galicia Sur, Hospital Álvaro Cunqueiro, 36213, Vigo, Spain
| | - Manuel J Reigosa
- Universidade de Vigo. Departamento de Bioloxía Vexetal e Ciencias do Solo, Facultade de Bioloxía, Campus Lagoas-Marcosende s/n, 36310, Vigo, Spain; Instituto de Agroecoloxía e Alimentación (IAA). Universidade de Vigo - Campus Auga, 32004, Ourense, Spain
| | - Adela M Sánchez-Moreiras
- Universidade de Vigo. Departamento de Bioloxía Vexetal e Ciencias do Solo, Facultade de Bioloxía, Campus Lagoas-Marcosende s/n, 36310, Vigo, Spain; Instituto de Agroecoloxía e Alimentación (IAA). Universidade de Vigo - Campus Auga, 32004, Ourense, Spain
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Serbent MP, Magario I, Saux C. Immobilizing white-rot fungi laccase: Toward bio-derived supports as a circular economy approach in organochlorine removal. Biotechnol Bioeng 2024; 121:434-455. [PMID: 37990982 DOI: 10.1002/bit.28591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 09/23/2023] [Accepted: 10/28/2023] [Indexed: 11/23/2023]
Abstract
Despite their high persistence in the environment, organochlorines (OC) are widely used in the pharmaceutical industry, in plastics, and in the manufacture of pesticides, among other applications. These compounds and the byproducts of their decomposition deserve attention and efficient proposals for their treatment. Among sustainable alternatives, the use of ligninolytic enzymes (LEs) from fungi stands out, as these molecules can catalyze the transformation of a wide range of pollutants. Among LEs, laccases (Lac) are known for their efficiency as biocatalysts in the conversion of organic pollutants. Their application in biotechnological processes is possible, but the enzymes are often unstable and difficult to recover after use, driving up costs. Immobilization of enzymes on a matrix (support or solid carrier) allows recovery and stabilization of this catalytic capacity. Agricultural residual biomass is a passive environmental asset. Although underestimated and still treated as an undesirable component, residual biomass can be used as a low-cost adsorbent and as a support for the immobilization of enzymes. In this review, the adsorption capacity and immobilization of fungal Lac on supports made from residual biomass, including compounds such as biochar, for the removal of OC compounds are analyzed and compared with the use of synthetic supports. A qualitative and quantitative comparison of the reported results was made. In this context, the use of peanut shells is highlighted in view of the increasing peanut production worldwide. The linkage of methods with circular economy approaches that can be applied in practice is discussed.
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Affiliation(s)
- Maria Pilar Serbent
- Centro de Investigación y Tecnología Química (CITeQ), Facultad Regional Córdoba, Universidad Tecnológica Nacional (CONICET), Córdoba, Argentina
- Programa de Pós-Graduação em Ciências Ambientais (PPGCAMB), Universidade do Estado de Santa Catarina, Lages, Santa Catarina, Brasil
| | - Ivana Magario
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos y Química Aplicada (IPQA), Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba (CONICET), Córdoba, Argentina
| | - Clara Saux
- Centro de Investigación y Tecnología Química (CITeQ), Facultad Regional Córdoba, Universidad Tecnológica Nacional (CONICET), Córdoba, Argentina
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Stevenson Z, Tong H, Swanner ED. Insights on biotic and abiotic 2,4-dichlorophenoxyacetic acid degradation by anaerobic iron-cycling bacteria. JOURNAL OF ENVIRONMENTAL QUALITY 2023; 52:1092-1101. [PMID: 37689985 DOI: 10.1002/jeq2.20513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 08/29/2023] [Indexed: 09/11/2023]
Abstract
The use of the phenoxy herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) has been steadily increasing in recent years due to its selectivity against broad-leafed weeds and use on genetically modified crops resistant to 2,4-D. This increases the likelihood of 2,4-D persisting in agriculturally impacted soils, sediments, and aquatic systems. Aerobic microorganisms are capable of degrading 2,4-D enzymatically. Anaerobic degradation also occurs, though the enzymatic pathway is unclear. Iron-reducing bacteria (FeRB) have been hypothesized to augment anaerobic degradation through the production of a chemically reactive Fe(II) adsorbed to Fe(III) oxyhydroxides. To test whether this iron species can catalyze abiotic degradation of 2,4-D, an enrichment culture (BLA1) containing a photosynthetic Fe(II)-oxidizing bacterium (FeOB) "Candidatus Chlorobium masyuteum" and the FeRB "Candidatus Pseudopelobacter ferreus", both of which lacked known 2,4-D degradation genes was investigated. BLA1 produces Fe(II)-adsorbed to Fe(III) oxyhydroxides during alternating photoautotrophic iron oxidation and dark iron reduction (amended with acetate) cycles. No 2,4-D degradation occurred during iron oxidation by FeOB Ca. C. masyuteum or during iron reduction by FeRB Ca. P. ferreus under any incubation conditions tested (i.e., +/-Fe(II), +/-cells, and +/-light), or due to the presence of Fe(II) adsorbed to Fe(III) oxyhydroxides. Our results cast doubt on the hypothesis that the mineral-bound Fe(II) species augments the anaerobic degradation of 2,4-D in anoxic soils and waters by iron-cycling bacteria, and further justify the need to identify the genetic underpinnings of anaerobic 2,4-D degradation.
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Affiliation(s)
- Zackry Stevenson
- Department of Geological and Atmospheric Sciences, Iowa State University, Ames, Iowa, USA
| | - Hui Tong
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou, China
| | - Elizabeth D Swanner
- Department of Geological and Atmospheric Sciences, Iowa State University, Ames, Iowa, USA
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Demirel HH, Zemheri-Navruz F, Kucukkurt İ, Arslan-Acaroz D, Tureyen A, Ince S. Synergistic toxicity of 2,4-dichlorophenoxyacetic acid and arsenic alters biomarkers in rats. Toxicol Res (Camb) 2023; 12:574-583. [PMID: 37663805 PMCID: PMC10470338 DOI: 10.1093/toxres/tfad047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/25/2023] [Accepted: 06/02/2023] [Indexed: 09/05/2023] Open
Abstract
2,4-dichlorophenoxyacetic acid (2,4-D) and arsenic cause severe and extensive biological toxicity in organisms. However, their interactions and toxic mechanisms in co-exposure remain to be fully elucidated. In this study, 28 four-week-old female rats were divided into four groups and exposed to 100 mg/L arsenic or/and 600 mg/L 2,4-D through drinking water for a period of 28 days. As a result, it was revealed that biochemical indicators (ALT, AST, ALP, blood urea nitrogen, and creatinine) were increased and decreased hormonal parameters (FSH, LH, PG, and E2) in arsenic and 2,4-D and arsenic combination-treated groups. Moreover, increased lipid peroxidation (malondialdehyde level) and decreased antioxidant status (superoxide dismutase and catalase activities) were found in the co-exposure groups compared with the individual-exposure groups. Meanwhile, severe DNA damage was observed in co-exposure groups. Additionally, the levels of apoptotic (Bax, Caspase-3, Caspase-8, Caspase-9, p53, and PARP) and inflammation (NFκB, Cox-2, TNF-α, and TGFβI) indexes in the co-exposure groups were markedly increased, whereas the levels of anti-apoptosis index (Bcl-2) were decreased. It was also observed that co-exposure with 2,4-D and arsenic caused more histopathological changes in tissues. Generally, these results show that co-exposure to 2,4-D and arsenic can seriously cause oxidative stress, DNA damage, apoptosis and inflammation while having toxicological risk for organisms.
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Affiliation(s)
| | - Fahriye Zemheri-Navruz
- Department of Molecular Biology and Genetics, Bartın University, Faculty of Science, Bartın 74110, Turkey
| | - İsmail Kucukkurt
- Department of Biochemistry, Afyon Kocatepe University, Faculty of Veterinary Medicine, Afyonkarahisar 03200, Turkey
| | - Damla Arslan-Acaroz
- Department of Biochemistry, Afyon Kocatepe University, Faculty of Veterinary Medicine, Afyonkarahisar 03200, Turkey
| | - Ali Tureyen
- Department of Gastroenterology, Ministry of Health Eskisehir City Hospital, Eskisehir 26080, Turkey
| | - Sinan Ince
- Department of Pharmacology and Toxicology, Afyon Kocatepe University, Faculty of Veterinary Medicine, Afyonkarahisar 03200, Turkey
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Serbent MP, Gonçalves Timm T, Vieira Helm C, Benathar Ballod Tavares L. Growth, laccase activity and role in 2,4-D degradation of Lentinus crinitus (L.) Fr. in a liquid medium. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2023. [DOI: 10.1016/j.bcab.2023.102682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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Perez LM, Mauleon R, Arick MA, Magbanua ZV, Peterson DG, Dean JFD, Tseng TM. Transcriptome analysis of the 2,4-dichlorophenoxyacetic acid (2,4-D)-tolerant cotton chromosome substitution line CS-B15sh and its susceptible parental lines G. hirsutum L. cv. Texas Marker-1 and G. barbadense L. cv. Pima 379. FRONTIERS IN PLANT SCIENCE 2022; 13:910369. [PMID: 36072333 PMCID: PMC9441920 DOI: 10.3389/fpls.2022.910369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 07/21/2022] [Indexed: 06/15/2023]
Abstract
The cotton chromosome substitution line, CS-B15sh, exhibits 41% lower injury from 2,4-D when applied at the field recommended rate of 1.12 kg ae ha-1 (1×) than does Texas Marker-1 (TM-1). CS-B15sh was developed in the genetic background of Gossypium hirsutum L. cv TM-1 and has chromosome introgression on the short arm of chromosome 15 from Gossypium barbadense L. cv. Pima 379. In a previous experiment, we observed reduced translocation of [14C]2,4-D outside the treated leaf tissue in CS-B15sh, which contrasted with an increased translocation of the herbicide in the tissues above and below the treated leaf in TM-1. Our results indicate a potential 2,4-D tolerance mechanism in CS-B15sh involving altered movement of 2,4-D. Here, we used RNA sequencing (RNA-seq) to determine the differential expression of genes between 2,4-D-challenged and control plants of the tolerant (CS-B15sh) and susceptible lines (TM-1 and Pima 379). Several components of the 2,4-D/auxin-response pathway-including ubiquitin E3 ligase, PB1|AUX/IAA, ARF transcription factors, and F-box proteins of the SCFTIR1/AFB complex-were upregulated with at least threefold higher expression in TM-1 compared with CS-B15sh, while both Pima 379 and TM-1 showed the same fold change expression for PB1|AUX/IAA mRNA. Some genes associated with herbicide metabolism, including flavin monooxygenase (Gohir.A01G174100) and FAD-linked oxidase (Gohir.D06G002600), exhibited at least a twofold increase in CS-B15sh than in TM-1 (the gene was not expressed in Pima 379), suggesting a potential relationship between the gene's expression and 2,4-D tolerance. It is interesting to note that glutathione S-transferase was differentially expressed in both CS-B15sh and Pima 379 but not in TM-1, while cytochrome P450 and other genes involved in the oxidation-reduction process were significantly expressed only in CS-B15sh in response to 2,4-D. Gene set enrichment analysis on the union DEGs of the three cotton genotypes revealed the depletion of transcripts involved in photosynthesis and enrichment of transcripts involved in ABA response and signaling.
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Affiliation(s)
- Loida M. Perez
- Department of Biochemistry, Molecular Biology, Entomology & Plant Pathology, Mississippi State University, Starkville, MS, United States
| | - Ramil Mauleon
- Faculty of Science and Engineering, Southern Cross University, East Lismore, NSW, Australia
| | - Mark A. Arick
- Institute for Genomics, Biocomputing and Biotechnology, Mississippi State University, Starkville, MS, United States
| | - Zenaida V. Magbanua
- Institute for Genomics, Biocomputing and Biotechnology, Mississippi State University, Starkville, MS, United States
| | - Daniel G. Peterson
- Institute for Genomics, Biocomputing and Biotechnology, Mississippi State University, Starkville, MS, United States
| | - Jeffrey F. D. Dean
- Department of Biochemistry, Molecular Biology, Entomology & Plant Pathology, Mississippi State University, Starkville, MS, United States
| | - Te Ming Tseng
- Department of Plant and Soil Sciences, Mississippi State University, Starkville, MS, United States
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Johnston CR, Malladi A, Vencill WK, Grey TL, Culpepper AS, Henry G, Czarnota MA, Randell TM. Investigation of physiological and molecular mechanisms conferring diurnal variation in auxinic herbicide efficacy. PLoS One 2020; 15:e0238144. [PMID: 32857790 PMCID: PMC7454982 DOI: 10.1371/journal.pone.0238144] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 08/10/2020] [Indexed: 11/18/2022] Open
Abstract
The efficacy of auxinic herbicides, a valuable weed control tool for growers worldwide, has been shown to vary with the time of day in which applications are made. However, little is known about the mechanisms causing this phenomenon. Investigating the differential in planta behavior of these herbicides across different times of application may grant an ability to advise which properties of auxinic herbicides are desirable when applications must be made around the clock. Radiolabeled herbicide experiments demonstrated a likely increase in ATP-binding cassette subfamily B (ABCB)-mediated 2,4-D and dicamba transport in Palmer amaranth (Amaranthus palmeri S. Watson) at simulated dawn compared to mid-day, as dose response models indicated that many orders of magnitude higher concentrations of N-1-naphthylphthalamic acid (NPA) and verapamil, respectively, are required to inhibit translocation by 50% at simulated sunrise compared to mid-day. Gas chromatographic analysis displayed that ethylene evolution in A. palmeri was higher when dicamba was applied during mid-day compared to sunrise. Furthermore, it was found that inhibition of translocation via 2,3,5-triiodobenzoic acid (TIBA) resulted in an increased amount of 2,4-D-induced ethylene evolution at sunrise, and the inhibition of dicamba translocation via NPA reversed the difference in ethylene evolution across time of application. Dawn applications of these herbicides were associated with increased expression of a putative 9-cis-epoxycarotenoid dioxygenase biosynthesis gene NCED1, while there was a notable lack of trends observed across times of day and across herbicides with ACS1, encoding 1-aminocyclopropane-1-carboxylic acid synthase. Overall, this research indicates that translocation is differentially regulated via specific protein-level mechanisms across times of application, and that ethylene release, a chief phytotoxic process involved in the response to auxinic herbicides, is related to translocation. Furthermore, transcriptional regulation of abscisic acid involvement in phytotoxicity and/or translocation are suggested.
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Affiliation(s)
- Christopher R. Johnston
- Department of Crop & Soil Sciences, University of Georgia, Athens, GA, United States of America
| | - Anish Malladi
- Department of Horticulture, University of Georgia, Athens, GA, United States of America
| | - William K. Vencill
- Department of Crop & Soil Sciences, University of Georgia, Athens, GA, United States of America
| | - Timothy L. Grey
- Department of Crop & Soil Sciences, University of Georgia, Tifton, GA, United States of America
| | - A. Stanley Culpepper
- Department of Crop & Soil Sciences, University of Georgia, Tifton, GA, United States of America
| | - Gerald Henry
- Department of Crop & Soil Sciences, University of Georgia, Athens, GA, United States of America
| | - Mark A. Czarnota
- Department of Horticulture, University of Georgia, Griffin, GA, United States of America
| | - Taylor M. Randell
- Department of Crop & Soil Sciences, University of Georgia, Tifton, GA, United States of America
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Resistance Mechanisms to 2,4-D in Six Different Dicotyledonous Weeds Around the World. AGRONOMY-BASEL 2020. [DOI: 10.3390/agronomy10040566] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
2,4-D resistance is increasing around the world due to both transgenic crops and resistance to other herbicides. The objective of the this study was to characterize the currently unknown mechanisms of 2,4-D resistance in five weed species from around the globe: Amaranthus hybridus (Argentina), Conyza canadensis (Hungary), Conyza sumatrensis (France), Hirschfeldia incana (Argentina) and Parthenium hysterophorus (Dominican Republic), using Papaver rhoeas (Spain) as a standard resistant (R) species. Dose-response trials using malathion and absorption, translocation and metabolism experiments were performed to unravel the resistance mechanisms. R plants produced at least 3-folds less ethylene than susceptible plants, confirming the resistance to 2,4-D, together with resistance factors >4. A. hybridus, P. hysterophorus and P. rhoeas showed both reduced translocation and enhanced metabolism. In the two Conyza sps., the only resistance mechanism found was enhanced metabolism. Malathion synergized with 2,4-D in all these species, indicating the role of cytochrome P450 in the herbicide degradation. In H. incana, reduced translocation was the only contributing mechanism to resistance. Among the six dicotyledonous weed species investigated, there was a differential contribution to 2,4-D resistance of enhanced metabolism and reduced translocation. Thus, extrapolating 2,4-D resistance mechanisms from one weed species to another is very risky, if even related.
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Czuryszkiewicz D, Maćkowiak A, Marcinkowska K, Borkowski A, Chrzanowski Ł, Pernak J. Herbicidal Ionic Liquids Containing the Acetylcholine Cation. Chempluschem 2020; 84:268-276. [PMID: 31950757 DOI: 10.1002/cplu.201800651] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 02/05/2019] [Indexed: 12/22/2022]
Abstract
This study presents a new group of herbicidal ionic liquids (HILs) based on a cation occurs commonly in nature-acetylcholine. The HILs were obtained with a high yield through ion exchange between acetylcholine chloride and potassium or sodium salts of selected acids with herbicidal activity. The results of the herbicidal activity measurement against common oilseed rape (Brassica napus L.) exceeded those of the commercial products. Spray solutions of the synthesized HILs revealed high surface activity and wetting properties which further manifested as higher herbicidal activity. The reduction of surface tension and low contact angles together with the specific action of acetylcholine allowed for better penetration of synthesized HILs into plant tissues. In addition, OECD 301F tests confirmed high mineralization of the HILs. The simple transformation of commercial herbicides into acetylcholine HILs proved to be a very effective method of increasing their activity, and constitutes an interesting solution to the problem of weed infestation with the use of a substance commonly found in nature.
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Affiliation(s)
- Daria Czuryszkiewicz
- Department of Chemical Technology, Poznan University of Technology, Berdychowo 4, Poznan, 60-965, Poland
| | - Adam Maćkowiak
- Department of Chemical Technology, Poznan University of Technology, Berdychowo 4, Poznan, 60-965, Poland
| | - Katarzyna Marcinkowska
- Institute of Plant Protection, National Research Institute, Węgorka 20, Poznan, 60-318, Poland
| | - Andrzej Borkowski
- Faculty of Geology, University of Warsaw, Żwirki i Wigury 93, Warsaw, 02-089, Poland
| | - Łukasz Chrzanowski
- Department of Chemical Technology, Poznan University of Technology, Berdychowo 4, Poznan, 60-965, Poland
| | - Juliusz Pernak
- Department of Chemical Technology, Poznan University of Technology, Berdychowo 4, Poznan, 60-965, Poland
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Mora AD, Rosario J, Rojano-Delgado AM, Palma-Bautista C, Torra J, Alcántara-de la Cruz R, De Prado R. Multiple Resistance to Synthetic Auxin Herbicides and Glyphosate in Parthenium hysterophorus Occurring in Citrus Orchards. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:10010-10017. [PMID: 31414816 DOI: 10.1021/acs.jafc.9b03988] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Dominican farmers have started to apply synthetic auxin herbicides (SAHs) as the main alternative to mitigate the impacts of the occurrence of glyphosate-resistant (GR) Parthenium hysterophorus populations in citrus orchards. A GR P. hysterophorus population survived field labeled rates of glyphosate, 2,4-dichlorophenoxyacetic acid (2,4-D), dicamba, and picloram, which showed poor control (<50%). In in vivo assays, resistance levels were high for glyphosate and moderate for picloram, dicamba, and 2,4-D. Sequencing the 5-enolpyruvylshikimate-3-phosphate synthase gene revealed the double Thr-102-Ile and Pro-106-Ser amino acid substitution, conferring resistance to glyphosate. Additionally, reduced absorption and impaired translocation contributed to this resistance. Regarding SAH, impaired 2,4-D transport and enhanced metabolism were confirmed in resistant plants. The application of malathion improved the efficacy of SAHs (control >50%), showing that metabolism of these herbicides was mediated by cytochrome P450 enzymes. This study reports, for the first time, multiple resistance to SAHs and glyphosate in P. hysterophorus.
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Affiliation(s)
- Andrés D Mora
- Department of Agricultural Chemistry and Edaphology , University of Cordoba , 14071 Cordoba , Spain
| | - Jesús Rosario
- Universidad Católica Tecnológica del Cibao-UCATECI , La Vega 41000 , República Dominicana
| | - Antonia M Rojano-Delgado
- Department of Agricultural Chemistry and Edaphology , University of Cordoba , 14071 Cordoba , Spain
| | | | - Joel Torra
- Department d'Hortofructicultura, Botánica i Jardineria, Agrotecnio , Universitat de Lleida , 25198 Lleida , Spain
| | | | - Rafael De Prado
- Department of Agricultural Chemistry and Edaphology , University of Cordoba , 14071 Cordoba , Spain
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Serbent MP, Rebelo AM, Pinheiro A, Giongo A, Tavares LBB. Biological agents for 2,4-dichlorophenoxyacetic acid herbicide degradation. Appl Microbiol Biotechnol 2019; 103:5065-5078. [DOI: 10.1007/s00253-019-09838-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 03/12/2019] [Accepted: 04/07/2019] [Indexed: 12/22/2022]
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Dang HT, Malone JM, Boutsalis P, Krishnan M, Gill G, Preston C. Reduced translocation in 2,4-D-resistant oriental mustard populations (Sisymbrium orientale L.) from Australia. PEST MANAGEMENT SCIENCE 2018; 74:1524-1532. [PMID: 29286550 DOI: 10.1002/ps.4845] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 12/15/2017] [Accepted: 12/21/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND Two oriental mustard populations (P2 and P13) collected from Port Broughton, South Australia were identified as resistant to 2,4-D. The level of resistance, mechanism and the mode of inheritance for 2,4-D resistance in these populations were investigated. RESULTS Populations P2 and P13 were confirmed to be resistant to 2,4-D at the field rate (600 g a.e. ha-1 ). P2 and P13 were 81- and 67-fold more resistant than the susceptible populations (S1 and S2) at the dose required for 50% mortality (LD50 ), respectively. No predicted amino acid modification was detected in sequences of potential target-site genes (ABP, TIR1 and AFB5). Resistant populations had reduced 2,4-D translocation compared with the susceptible populations, with 77% of [14 C]2,4-D retained in the treated leaf versus 32% at 72 h after treatment. Resistance to 2,4-D is encoded on the nuclear genome and is dominant, as the response to 2,4-D of all F2 individuals were similar to the resistant biotypes. The segregation of F2 phenotypes fitted a 3: 1 (R: S) inheritance model. CONCLUSION Resistance to 2,4-D in oriental mustard is likely due to reduced translocation of 2,4-D out of the treated leaf. Inheritance of 2,4-D resistance is conferred by a single gene with a high level of dominance. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Hue Thi Dang
- School of Agriculture, Food and Wine, University of Adelaide, Glen Osmond, Australia
| | - Jenna M Malone
- School of Agriculture, Food and Wine, University of Adelaide, Glen Osmond, Australia
| | - Peter Boutsalis
- School of Agriculture, Food and Wine, University of Adelaide, Glen Osmond, Australia
| | - Mahima Krishnan
- School of Agriculture, Food and Wine, University of Adelaide, Glen Osmond, Australia
| | - Gurjeet Gill
- School of Agriculture, Food and Wine, University of Adelaide, Glen Osmond, Australia
| | - Christopher Preston
- School of Agriculture, Food and Wine, University of Adelaide, Glen Osmond, Australia
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Quareshy M, Prusinska J, Li J, Napier R. A cheminformatics review of auxins as herbicides. JOURNAL OF EXPERIMENTAL BOTANY 2018; 69:265-275. [PMID: 28992122 DOI: 10.1093/jxb/erx258] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Accepted: 06/29/2017] [Indexed: 06/07/2023]
Abstract
Herbicides are an important asset in ensuring food security, especially when faced with an ever-increasing demand on food production to feed the global population. The current selection of herbicides is increasingly encountering resistance in agricultural weeds they once targeted effectively. It is imperative that new compounds or more effective modes of action are discovered in order to overcome this resistance. This cheminformatics review looks at current herbicides and evaluates their physiochemical properties on a class-by-class basis. We focus in particular on the synthetic auxin herbicides, Herbicide Resistance Action Committee class O, analyzing these against herbicides more generally and for class-specific features such as mobility in plant vasculature. We summarise the physiochemical properties of all 24 compounds used commercially as auxins and relate these results to ongoing approaches to novel auxin discovery. We introduce an interactive, open source cheminformatics tool known as DataWarrior for herbicide discovery, complete with records for over 300 herbicidal compounds. We hope this tool helps researchers as part of a rational approach to not only auxin discovery but agrochemical discovery in general.
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Affiliation(s)
| | | | - Jun Li
- School of Life Sciences, University of Warwick, UK
- Department of Pesticide Science, College of Crop Protection, Nanjing Agricultural University, P.R. China
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Scarabel L, Milani A, Panozzo S, Rasori A. Suitable reference genes for accurate gene expression analysis in Papaver rhoeas under 2,4-D herbicide stress. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2017; 143:66-72. [PMID: 29183612 DOI: 10.1016/j.pestbp.2017.09.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Revised: 09/07/2017] [Accepted: 09/16/2017] [Indexed: 05/10/2023]
Abstract
Resistance to 2,4-D (2,4-diclorophenoxyacetic acid) herbicide is increasing in various dicotyledonous weed species, including Papaver rhoeas, a weed infesting Southern European wheat crops. Non-target-site resistance to this herbicide is governed by a range of genes involved in herbicide stress response. To enable reliable measurement of gene expression levels in herbicide-resistant and susceptible plants it is necessary to normalize qPCR data using internal control genes with stable expression. In an attempt to find the best reference genes, the stability of seven candidate reference genes was assessed in plants resistant and susceptible to 2,4-D, subjected or not to herbicide stress. Using three statistical algorithms (geNorm, BestKeeper and NormFinder), the overall results revealed that glyceraldehyde-3-phosphate dehydrogenase, actin and ubiquitin were the most stable reference genes. The normalization expression levels of GH3 (indole-3-acetic acid amido synthetase) and GST3 (glutathione S-transferase) which are two genes up-regulated following 2,4-D treatment, were determined to verify the stability of these selected reference genes. A sudden increase in GH3 and GST3 expression was already detected 5h after herbicide application, confirming their involvement in plant response to 2,4-D. The validation results confirmed the applicability and accuracy of these reference genes. This study identified and validated reference genes in the non-model weed species P. rhoeas and these will facilitate gene expression analysis studies aimed at identifying functional genes associated with non-target-site resistance.
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Affiliation(s)
- L Scarabel
- Institute of Agro-Environmental and Forest Biology- CNR, Legnaro, Padua, Italy.
| | - A Milani
- Institute of Agro-Environmental and Forest Biology- CNR, Legnaro, Padua, Italy
| | - S Panozzo
- Institute of Agro-Environmental and Forest Biology- CNR, Legnaro, Padua, Italy
| | - A Rasori
- Department of Agronomy, Food, Natural Resources, Animals & Environment, University of Padova, Legnaro, Padua, Italy
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Singh N, Sit MT, Schutte MK, Chan GE, Aldana JE, Cervantes D, Himmelstein CH, Yeh PJ. A systematic review of differential rate of use of the word “evolve” across fields. PeerJ 2017; 5:e3639. [PMID: 28852587 PMCID: PMC5572546 DOI: 10.7717/peerj.3639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 07/12/2017] [Indexed: 11/27/2022] Open
Abstract
Background Although evolution is the driving force behind many of today’s major public health and agriculture issues, both journalists and scientific researchers often do not use the term “evolve” in discussions of these topics. Methods In a total of 1,066 articles and 716 papers selected from 25 US newspapers and 34 scientific journals, we assess usage of the word “evolve” and its substitute words in the contexts of cancer tumor drug resistance, HIV drug resistance, mosquito insecticide resistance, and weed pesticide resistance. Results We find significant differences in the use of “evolve” among fields and sources. “Evolve” is used most when discussing weed pesticide resistance (25.9% in newspapers, 52.4% in journals) and least when discussing cancer tumor drug resistance (3.9% in newspapers, 9.8% in journals). On average, scientific journals use “evolve” more often (22.2%) than newspapers (7.8%). Different types of journals (general science, general clinical, cancer specific, and drug resistance specific) show significantly different “evolve” usages when discussing cancer tumor drug resistance. Discussion We examine potential explanations of these findings, such as the relatively recent framing of cancer in evolutionary terms, before looking at consequences of low “evolve” usage and of differential “evolve” usage across fields. Use of the word “evolve” may not reflect current understanding of the problems we examine. However, given that our ability to tackle resistance issues relies upon accurate understandings of what causes and exacerbates resistance, use of the word “evolve” when called for may help us confront these issues in the future.
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Affiliation(s)
- Nina Singh
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, United States of America
| | - Matthew T. Sit
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, United States of America
| | - Marissa K. Schutte
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, United States of America
| | - Gabriel E. Chan
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, United States of America
| | - Jeyson E. Aldana
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, United States of America
| | - Diana Cervantes
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, United States of America
| | - Clyde H. Himmelstein
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, United States of America
| | - Pamela J. Yeh
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, United States of America
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16
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Integrating fluorescent molecularly imprinted polymer (MIP) sensor particles with a modular microfluidic platform for nanomolar small-molecule detection directly in aqueous samples. Biosens Bioelectron 2017; 99:244-250. [PMID: 28772227 DOI: 10.1016/j.bios.2017.07.053] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 07/12/2017] [Accepted: 07/21/2017] [Indexed: 11/22/2022]
Abstract
Fluorescent sensory MIP (molecularly imprinted polymer) particles were combined with a droplet-based 3D microfluidic system for the selective determination of a prototype small-molecule analyte of environmental concern, 2,4-dichlorophenoxyacetic acid or 2,4-D, at nanomolar concentration directly in water samples. A tailor-made fluorescent indicator cross-linker was thus designed that translates the binding event directly into an enhanced fluorescence signal. The phenoxazinone-type cross-linker was co-polymerized into a thin MIP layer grafted from the surface of silica microparticles following a RAFT (reversible addition-fragmentation chain transfer) polymerization protocol. While the indicator cross-linker outperformed its corresponding monomer twin, establishment of a phase-transfer protocol was essential to guarantee that the hydrogen bond-mediated signalling mechanism between the urea binding site on the indicator cross-linker and the carboxylate group of the analyte was still operative upon real sample analysis. The latter was achieved by integration of the fluorescent core-shell MIP sensor particles into a modular microfluidic platform that allows for an in-line phase-transfer assay, extracting the analyte from aqueous sample droplets into the organic phase that contains the sensor particles. Real-time fluorescence determination of 2,4-D down to 20nM was realized with the system and applied for the analysis of various surface water samples collected from different parts of the world.
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Wu X, Wang W, Liu J, Pan D, Tu X, Lv P, Wang Y, Cao H, Wang Y, Hua R. Rapid Biodegradation of the Herbicide 2,4-Dichlorophenoxyacetic Acid by Cupriavidus gilardii T-1. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:3711-3720. [PMID: 28434228 DOI: 10.1021/acs.jafc.7b00544] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Phytotoxicity and environmental pollution of residual herbicides have caused much public concern during the past several decades. An indigenous bacterial strain capable of degrading 2,4-dichlorophenoxyacetic acid (2,4-D), designated T-1, was isolated from soybean field soil and identified as Cupriavidus gilardii. Strain T-1 degraded 2,4-D 3.39 times more rapidly than the model strain Cupriavidus necator JMP134. T-1 could also efficiently degrade 2-methyl-4-chlorophenoxyacetic acid (MCPA), MCPA isooctyl ester, and 2-(2,4-dichlorophenoxy)propionic acid (2,4-DP). Suitable conditions for 2,4-D degradation were pH 7.0-9.0, 37-42 °C, and 4.0 mL of inoculums. Degradation of 2,4-D was concentration-dependent. 2,4-D was degraded to 2,4-dichlorophenol (2,4-DCP) by cleavage of the ether bond and then to 3,5-dichlorocatechol (3,5-DCC) via hydroxylation, followed by ortho-cleavage to cis-2-dichlorodiene lactone (CDL). The metabolites 2,4-DCP or 3,5-DCC at 10 mg L-1 were completely degraded within 16 h. Fast degradation of 2,4-D and its analogues highlights the potential for use of C. gilardii T-1 in bioremediation of phenoxyalkanoic acid herbicides.
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Affiliation(s)
- Xiangwei Wu
- College of Resources and Environment, Key Laboratory of Agri-food Safety of Anhui Province, Anhui Agricultural University , Hefei 230036, People's Republic of China
| | - Wenbo Wang
- College of Resources and Environment, Key Laboratory of Agri-food Safety of Anhui Province, Anhui Agricultural University , Hefei 230036, People's Republic of China
| | - Junwei Liu
- College of Resources and Environment, Key Laboratory of Agri-food Safety of Anhui Province, Anhui Agricultural University , Hefei 230036, People's Republic of China
| | - Dandan Pan
- College of Resources and Environment, Key Laboratory of Agri-food Safety of Anhui Province, Anhui Agricultural University , Hefei 230036, People's Republic of China
| | - Xiaohui Tu
- College of Resources and Environment, Key Laboratory of Agri-food Safety of Anhui Province, Anhui Agricultural University , Hefei 230036, People's Republic of China
| | - Pei Lv
- College of Resources and Environment, Key Laboratory of Agri-food Safety of Anhui Province, Anhui Agricultural University , Hefei 230036, People's Republic of China
| | - Yi Wang
- College of Resources and Environment, Key Laboratory of Agri-food Safety of Anhui Province, Anhui Agricultural University , Hefei 230036, People's Republic of China
| | - Haiqun Cao
- College of Resources and Environment, Key Laboratory of Agri-food Safety of Anhui Province, Anhui Agricultural University , Hefei 230036, People's Republic of China
| | - Yawen Wang
- College of Resources and Environment, Key Laboratory of Agri-food Safety of Anhui Province, Anhui Agricultural University , Hefei 230036, People's Republic of China
| | - Rimao Hua
- College of Resources and Environment, Key Laboratory of Agri-food Safety of Anhui Province, Anhui Agricultural University , Hefei 230036, People's Republic of China
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Torra J, Rojano-Delgado AM, Rey-Caballero J, Royo-Esnal A, Salas ML, De Prado R. Enhanced 2,4-D Metabolism in Two Resistant Papaver rhoeas Populations from Spain. FRONTIERS IN PLANT SCIENCE 2017; 8:1584. [PMID: 28955370 PMCID: PMC5602352 DOI: 10.3389/fpls.2017.01584] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Accepted: 08/29/2017] [Indexed: 05/10/2023]
Abstract
Corn poppy (Papaver rhoeas), the most problematic broadleaf weed in winter cereals in Southern Europe, has developed resistance to the widely-used herbicide, 2,4-D. The first reported resistance mechanism in this species to 2,4-D was reduced translocation from treated leaves to the rest of the plant. However, the presence of other non-target site resistance (NTSR) mechanisms has not been investigated up to date. Therefore, the main objective of this research was to reveal if enhanced 2,4-D metabolism is also present in two Spanish resistant (R) populations to synthetic auxins. With this aim, HPLC experiments at two 2,4-D rates (600 and 2,400 g ai ha-1) were conducted to identify and quantify the metabolites produced and evaluate possible differences in 2,4-D degradation between resistant (R) and susceptible (S) plants. Secondarily, to determine the role of cytochrome P450 in the resistance response, dose-response experiments were performed using malathion as its inhibitor. Three populations were used: S, only 2,4-D R (R-703) and multiple R to 2,4-D and ALS inhibitors (R-213). HPLC studies indicated the presence of two hydroxy metabolites in these R populations in shoots and roots, which were not detected in S plants, at both rates. Therefore, enhanced metabolism becomes a new NTSR mechanism in these two P. rhoeas populations from Spain. Results from the dose-response experiments also showed that pre-treatment of R plants with the cytochrome P450 (P450) inhibitor malathion reversed the phenotype to 2,4-D from resistant to susceptible in both R populations. Therefore, it could be hypothesized that a malathion inhibited P450 is responsible of the formation of the hydroxy metabolites detected in the metabolism studies. This and previous research indicate that two resistant mechanisms to 2,4-D could be present in populations R-703 and R-213: reduced translocation and enhanced metabolism. Future experiments are required to confirm these hypotheses, understand the role of P450, and the relationship between both NTSR mechanisms. On this basis, selection pressure with synthetic auxins bears the risk of promoting the evolution enhanced metabolism in Papaver rhoeas.
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Affiliation(s)
- Joel Torra
- Department d'Hortofructicultura, Botànica i Jardineria, Agrotecnio, Universitat de LleidaLleida, Spain
- *Correspondence: Joel Torra
| | | | - Jordi Rey-Caballero
- Department d'Hortofructicultura, Botànica i Jardineria, Agrotecnio, Universitat de LleidaLleida, Spain
| | - Aritz Royo-Esnal
- Department d'Hortofructicultura, Botànica i Jardineria, Agrotecnio, Universitat de LleidaLleida, Spain
| | | | - Rafael De Prado
- Department of Agricultural Chemistry and Edaphology, University of CórdobaCórdoba, Spain
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