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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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Zhang C, Yu Q, Han H, Yu C, Nyporko A, Tian X, Beckie H, Powles S. A naturally evolved mutation (Ser59Gly) in glutamine synthetase confers glufosinate resistance in plants. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:2251-2262. [PMID: 35029685 PMCID: PMC8982429 DOI: 10.1093/jxb/erac008] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 01/21/2022] [Indexed: 05/25/2023]
Abstract
Glufosinate is an important and widely used non-selective herbicide active on a wide range of plant species. Evolution of resistance to glufosinate in weedy plant species (including the global weed Eleusine indica) is underway. Here, we established the molecular basis of target site glufosinate resistance in Eleusine indica. Full-length E. indica glutamine synthetase (GS) iso-genes (EiGS1-1, 1-2, 1-3, and EiGS2) were cloned, and expression of EiGS1-1 and EiGS1-2 was higher than that of EiGS2. A novel point mutation resulting in a Ser59Gly substitution in EiGS1-1 was identified in glufosinate-resistant plants. Rice calli and seedlings transformed with the mutant EiGS1-1 gene were resistant to glufosinate. Purified mutant EiGS1-1 expressed in yeast was more tolerant to glufosinate than the wild-type variant. These transgenic results correlate with a more glufosinate-resistant GS in the crude tissue extract of resistant versus susceptible E. indica plants. Structural modelling of the mutant EiGS1-1 revealed that Ser59 is not directly involved in glufosinate binding but is in contact with some important binding residues (e.g. Glu297) and especially with Asp56 that forms an intratoroidal contact interface. Importantly, the same Ser59Gly mutation was also found in geographically isolated glufosinate-resistant populations from Malaysia and China, suggesting parallel evolution of this resistance mutation.
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Affiliation(s)
- Chun Zhang
- Guangdong Provincial Key Laboratory of High Technology for Plant Protection, Institute of Plant Protection, Guangdong Academy of Agricultural Sciences, Guangzhou, PR China
- Australian Herbicide Resistance Initiative, School of Agriculture and Environment, University of Western Australia, Crawley, WA, Australia
| | - Qin Yu
- Australian Herbicide Resistance Initiative, School of Agriculture and Environment, University of Western Australia, Crawley, WA, Australia
| | - Heping Han
- Australian Herbicide Resistance Initiative, School of Agriculture and Environment, University of Western Australia, Crawley, WA, Australia
| | - Chaojie Yu
- Guangdong Provincial Key Laboratory of High Technology for Plant Protection, Institute of Plant Protection, Guangdong Academy of Agricultural Sciences, Guangzhou, PR China
| | - Alex Nyporko
- Taras Shevchenko National University of Kyiv, Kiev, Ukraine
| | - Xingshan Tian
- Guangdong Provincial Key Laboratory of High Technology for Plant Protection, Institute of Plant Protection, Guangdong Academy of Agricultural Sciences, Guangzhou, PR China
| | - Hugh Beckie
- Australian Herbicide Resistance Initiative, School of Agriculture and Environment, University of Western Australia, Crawley, WA, Australia
| | - Stephen Powles
- Australian Herbicide Resistance Initiative, School of Agriculture and Environment, University of Western Australia, Crawley, WA, Australia
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Takano HK, Dayan FE. Glufosinate-ammonium: a review of the current state of knowledge. PEST MANAGEMENT SCIENCE 2020; 76:3911-3925. [PMID: 32578317 DOI: 10.1002/ps.5965] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 06/16/2020] [Accepted: 06/23/2020] [Indexed: 05/11/2023]
Abstract
Glufosinate is a key herbicide to manage glyphosate-resistant weeds mainly because it is a broad-spectrum herbicide, and transgenic glufosinate-resistant crops are available. Although glufosinate use has increased exponentially over the past decade, the treated area with this herbicide is far less than that with glyphosate. This is because glufosinate often provides inconsistent performance in the field, which is attributed to several factors including environmental conditions, application technology, and weed species. Glufosinate is also highly hydrophilic and does not translocate well in plants, generally providing poor control of grasses and perennial species. In the soil, glufosinate is rapidly degraded by microorganisms, leaving no residual activity. While there have been concerns regarding glufosinate toxicology, its proper use can be considered safe. Glufosinate is a fast-acting herbicide that was first discovered as a natural product, and is the only herbicide presently targeting glutamine synthetase. The mode of action of glufosinate has been controversial, and the causes for the rapid phytotoxicity have often been attributed to ammonia accumulation. Recent studies indicate that the contact activity of glufosinate results from the accumulation of reactive oxygen species and subsequent lipid peroxidation. Glufosinate disrupts both photorespiration and the light reactions of photosynthesis, leading to photoreduction of molecular oxygen, which generates reactive oxygen species. The new understanding of the mode of action provided new ideas to improve the herbicidal activity of glufosinate. Finally, a very few weed species have evolved glufosinate resistance in the field, and the resistance mechanisms are generally not well understood requiring further investigation. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Hudson K Takano
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO, USA
| | - Franck E Dayan
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO, USA
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Meyer CJ, Peter F, Norsworthy JK, Beffa R. Uptake, translocation, and metabolism of glyphosate, glufosinate, and dicamba mixtures in Echinochloa crus-galli and Amaranthus palmeri. PEST MANAGEMENT SCIENCE 2020; 76:3078-3087. [PMID: 32281195 DOI: 10.1002/ps.5859] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 04/02/2020] [Accepted: 04/12/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Echinochloa crus-galli (L.) Beauv. and Amaranthus palmeri S. Wats are two common and problematic weeds prevalent across the Midsouth of the USA. Herbicide absorption, translocation, and metabolism were investigated as potential sources of herbicide antagonism on A. palmeri and E. crus-galli using 14 C-labeled herbicides. Three 14 C-labeled herbicides, glyphosate, glufosinate, and dicamba, were utilized individually in separate experiments. RESULTS Uptake of 14 C-glyphosate in E. crus-galli was 15% of the total applied radioactivity for glyphosate/glufosinate (897 + 595 g a.i./a.e. ha-1 ) compared to 25% for glyphosate alone. Similarly, uptake of 14 C-glyphosate in A. palmeri reduced by 10% when applied with glufosinate. Applying glyphosate/dicamba (897/560 g a.e. ha-1 ) reduced 14 C-glyphosate uptake in both species. In the 14 C-glufosinate experiment, both species absorbed less 14 C-glufosinate when mixed with glyphosate compared to glufosinate alone. No metabolic degradation of glyphosate was observed in either species. E. crus-galli metabolized dicamba 23 times faster than A. palmeri. When glufosinate was applied with dicamba, metabolic degradation of 14 C-dicamba was limited in both species. For example, 99.9% of the applied radioactivity was recovered in A. palmeri as the parent compound when 14 C-glufosinate dicamba was applied with glufosinate, compared to 95.7% for dicamba alone. CONCLUSION These findings demonstrate absorption, translocation, or metabolism of dicamba, glufosinate, and glyphosate can be affected by mixing with another herbicide. As mixing two herbicides is often a critical component of resistance management, careful investigation into the performance of these mixtures in the field is needed. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Chris J Meyer
- Department of Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR, USA
| | - Falco Peter
- Bayer AG, Division CropScience, Weed Resistance Research, Frankfurt am Main, Germany
| | - Jason K Norsworthy
- Department of Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR, USA
| | - Roland Beffa
- Bayer AG, Division CropScience, Weed Resistance Research, Frankfurt am Main, Germany
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Evolving Multiple Resistance to EPSPS, GS, ALS, PSI, PPO, and Synthetic Auxin Herbicides in Dominican Republic Parthenium hysterophorus Populations. A Physiological and Biochemical Study. AGRONOMY-BASEL 2020. [DOI: 10.3390/agronomy10040554] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Two Parthenium hysterophorus populations resistant (R) and susceptible (S) harvested in banana crop from the Dominican Republic were studied. All S plants died when the herbicides were applied at field dose, except with paraquat. For the R population, the order of plant survival was as follows: glyphosate and paraquat > flazasulfuron > glufosinate > fomesafen > 2,4-D. The resistance factors obtained in the dose–response assays showed a high resistance to glyphosate, flazasulfuron, and fomesafen, medium resistance to glufosinate and 2,4-D, and a natural tolerance to paraquat (resistance factor (RF) = 1.0). The I50 values obtained in the 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS), acetolactate synthase (ALS), and glutamine synthetase (GS) activity studies with glyphosate, flazasulfuron, and glufosinate, respectively, were greater in R than in S. The effect of fomesafen was measured by the Proto IX levels, obtaining five times more Proto IX in the S than in the R population. The resistance to 2,4-D in the R was determined by the lower accumulation of ethylene compared to the S population. The studies with 14C-paraquat conclude that the lower absorption and translocation in both the R and S populations would explain the natural tolerance of P. hysterophorus. This is the first case of multiple resistance to herbicides with different mechanisms of action confirmed in P. hysterophorus.
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Zhao H, Zhao Y, Luo R, Yang L, Li G, Di J, Peng M, Li L, Wen Q, Liang X, Yin M, Wen Y, Huang F. Production of EPSPS and bar gene double-herbicide resistant castor ( Ricinus communis L.). BIOTECHNOL BIOTEC EQ 2020. [DOI: 10.1080/13102818.2020.1804450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Affiliation(s)
- Huibo Zhao
- Department of Biotechnology, College of Life Sciences and Food, Inner Mongolia University for the Nationalities, Tongliao, Inner Mongolia, PR China
| | - Yong Zhao
- Department of Biotechnology, College of Life Sciences and Food, Inner Mongolia University for the Nationalities, Tongliao, Inner Mongolia, PR China
| | - Rui Luo
- Department of Biotechnology, College of Life Sciences and Food, Inner Mongolia University for the Nationalities, Tongliao, Inner Mongolia, PR China
| | - Lifeng Yang
- Department of Biotechnology, College of Life Sciences and Food, Inner Mongolia University for the Nationalities, Tongliao, Inner Mongolia, PR China
| | - Guorui Li
- Department of Biotechnology, College of Life Sciences and Food, Inner Mongolia University for the Nationalities, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Industrial Engineering Research Center, Universities for Castor, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Key Laboratory of Castor Breeding, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Collaborative Innovation Center for Castor Industry, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Engineering Research Center of Industrial Technology Innovation of Castor, Tongliao, Inner Mongolia, PR China
| | - Jianjun Di
- Department of Biotechnology, College of Life Sciences and Food, Inner Mongolia University for the Nationalities, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Industrial Engineering Research Center, Universities for Castor, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Key Laboratory of Castor Breeding, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Collaborative Innovation Center for Castor Industry, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Engineering Research Center of Industrial Technology Innovation of Castor, Tongliao, Inner Mongolia, PR China
| | - Mu Peng
- Department of Biotechnology, College of Life Sciences and Food, Inner Mongolia University for the Nationalities, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Industrial Engineering Research Center, Universities for Castor, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Key Laboratory of Castor Breeding, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Collaborative Innovation Center for Castor Industry, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Engineering Research Center of Industrial Technology Innovation of Castor, Tongliao, Inner Mongolia, PR China
| | - Lili Li
- Department of Biotechnology, College of Life Sciences and Food, Inner Mongolia University for the Nationalities, Tongliao, Inner Mongolia, PR China
| | - Qi Wen
- Department of Biotechnology, College of Life Sciences and Food, Inner Mongolia University for the Nationalities, Tongliao, Inner Mongolia, PR China
| | - Xiaotian Liang
- Department of Biotechnology, College of Life Sciences and Food, Inner Mongolia University for the Nationalities, Tongliao, Inner Mongolia, PR China
| | - Mingda Yin
- Department of Biotechnology, College of Life Sciences and Food, Inner Mongolia University for the Nationalities, Tongliao, Inner Mongolia, PR China
| | - Yanpeng Wen
- Department of Biotechnology, College of Life Sciences and Food, Inner Mongolia University for the Nationalities, Tongliao, Inner Mongolia, PR China
| | - Fenglan Huang
- Department of Biotechnology, College of Life Sciences and Food, Inner Mongolia University for the Nationalities, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Industrial Engineering Research Center, Universities for Castor, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Key Laboratory of Castor Breeding, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Collaborative Innovation Center for Castor Industry, Tongliao, Inner Mongolia, PR China
- Inner Mongolia Engineering Research Center of Industrial Technology Innovation of Castor, Tongliao, Inner Mongolia, PR China
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Brunharo CACG, Takano HK, Mallory-Smith CA, Dayan FE, Hanson BD. Role of Glutamine Synthetase Isogenes and Herbicide Metabolism in the Mechanism of Resistance to Glufosinate in Lolium perenne L. spp. multiflorum Biotypes from Oregon. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:8431-8440. [PMID: 31067047 DOI: 10.1021/acs.jafc.9b01392] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Glufosinate-resistant Lolium perenne L. spp. multiflorum biotypes from Oregon exhibited resistance levels up to 2.8-fold the field rate. One resistant biotype (MG) had an amino acid substitution in glutamine synthetase 2 (GS2), whereas the other (OR) exhibited the wild-type genotype. We hypothesized that the amino acid substitution in GS2 is involved in the resistance mechanism in MG and that non-target site resistance mechanisms are present in OR. OR metabolized glufosinate faster than the other two biotypes, with >75% of the herbicide metabolized in comparison to 50% in MG and the susceptible biotype. A mutation in GS2 co-segregating with resistance in MG did not reduce the enzyme activity, with results further supported by our enzyme homology models. This research supports the conclusion that a metabolism mechanism of glufosinate resistance is present in OR and that glufosinate resistance in MG is not due to an altered target site.
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Affiliation(s)
- Caio A C G Brunharo
- Department of Crop and Soil Science , Oregon State University , 3050 Southwest Campus Way , Crop Sciences Building Corvallis , Oregon 97331 , United States
| | - Hudson K Takano
- Department of Bioagricultural Sciences and Pest Management , Colorado State University , 1777 Campus Delivery , Fort Collins , Colorado 80523 , United States
| | - Carol A Mallory-Smith
- Department of Crop and Soil Science , Oregon State University , 3050 Southwest Campus Way , Crop Sciences Building Corvallis , Oregon 97331 , United States
| | - Franck E Dayan
- Department of Bioagricultural Sciences and Pest Management , Colorado State University , 1777 Campus Delivery , Fort Collins , Colorado 80523 , United States
| | - Bradley D Hanson
- Department of Plant Science , University of California, Davis , One Shields Avenue , MS-4, Davis , California 95616 , United States
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Xu J, Li F, Xue Y, Zheng Y. Efficient racemization of N‐phenylacetyl‐D‐glufosinate for L‐glufosinate production. Chirality 2019; 31:513-521. [DOI: 10.1002/chir.23076] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 03/07/2019] [Accepted: 04/09/2019] [Indexed: 11/11/2022]
Affiliation(s)
- Jian‐Miao Xu
- Engineering Research Center of Bioconversion and Biopurification of Ministry of EducationZhejiang University of Technology Hangzhou PR China
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and BioengineeringZhejiang University of Technology Hangzhou PR China
| | - Fang‐Long Li
- Engineering Research Center of Bioconversion and Biopurification of Ministry of EducationZhejiang University of Technology Hangzhou PR China
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and BioengineeringZhejiang University of Technology Hangzhou PR China
| | - Ya‐Ping Xue
- Engineering Research Center of Bioconversion and Biopurification of Ministry of EducationZhejiang University of Technology Hangzhou PR China
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and BioengineeringZhejiang University of Technology Hangzhou PR China
| | - Yu‐Guo Zheng
- Engineering Research Center of Bioconversion and Biopurification of Ministry of EducationZhejiang University of Technology Hangzhou PR China
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and BioengineeringZhejiang University of Technology Hangzhou PR China
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Domínguez-Mendez R, Alcántara-de la Cruz R, Rojano-Delgado AM, da Silveira HM, Portugal J, Cruz-Hipolito HE, De Prado R. Stacked traits conferring multiple resistance to imazamox and glufosinate in soft wheat. PEST MANAGEMENT SCIENCE 2019; 75:648-657. [PMID: 30066483 DOI: 10.1002/ps.5159] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 07/26/2018] [Accepted: 07/26/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Conventional crossing of soft wheat cultivars resistant to imazamox and glufosinate resulted in two (Rados and Helter) lines resistant to both herbicides. Stacked traits conferring this dual herbicide resistance in these lines, compared with a susceptible (S) cultivar, were characterized. RESULTS Rados and Helter lines were ∼ 18-fold more resistant (R) to glufosinate, and between 15.1 and 19.8-fold more resistant to imazamox than the S cultivar. Resistance to glufosinate and imazamox decreased up to 12% and 50%, respectively, when the herbicides were applied sequentially. The basal activities of the acetolactate and glutamine synthases were similar between R and S plants. Rados and Helter lines were 11.7- and 17.7-fold more resistant to imazamox than the S cultivar, due to the Ser653-Asn mutation in their imi-ALS genes. R lines, susceptible to glufosinate at the target site level, showed lower ammonia accumulation evidencing the activity of the phosphinothricin acetyl transferase. Absorption and translocation patterns for 14 C-imazamox and 14 C-glufosinate were similar between R and S cultivars and so do not contribute to resistance. CONCLUSION Stacked traits conferring dual herbicide resistance to the lines Rados and Helter come from the resistant parents. These R lines are potential tools for weed management in wheat production, mainly via herbicide rotation. © 2018 Society of Chemical Industry.
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Affiliation(s)
| | | | | | | | - João Portugal
- Department of Biosciences, Research Center for Endogenous Resource Valorization's, Polytechnic Institute of Beja, Beja, Portugal
| | | | - Rafael De Prado
- Department of Agricultural Chemistry and Edaphology, University of Cordoba, Cordoba, Spain
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Zhang Q, Cui Q, Yue S, Lu Z, Zhao M. Enantioselective effect of glufosinate on the growth of maize seedlings. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:171-178. [PMID: 30387058 DOI: 10.1007/s11356-018-3576-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2018] [Accepted: 10/23/2018] [Indexed: 06/08/2023]
Abstract
Glufosinate is a non-selective chiral herbicide, which has been used extensively around the world. However, limited information on the enantioselectivity of Rac- and L-glufosinate against crops. In this study, the enantioselective effects on the growth, antioxidant, and targeted enzyme activities of maize seedlings of chiral glufosinate were investigated. The results showed the enantioselective growth inhibitions were observed at both 1 and 5 mg/L concentration levels. L-Glufosinate induced more growth rate reduction in shoot height and weight compared to Rac-glufosinate. All of the antioxidant enzyme activities increased obviously in the leaves of maize seedlings treated by 1 mg/L of glufosinate. Superoxide dismutase (SOD) activity, catalase (CAT) activity, peroxidase (POD) activity, glutathione reductase (GR) activity, and malondialdehyde (MDA) content induced by L-glufosinate were 1.36, 1.16, 1.51, 1.65, and 1.65 times higher than those by Rac-glufosinate, respectively Notably, the glutamine synthetase (GS) activity was significantly reduced to 80% and 57% in the control group at 1 mg/L treated with Rac- and L-glufosinate, respectively. Our results indicated that Rac- and L-glufosinate showed the obvious enantioselectivity in the growth of maize seedlings, which has shed light on the potential enantioselective phytotoxicity of glufosinate. Data provided here will be helpful to develop the environmentally friendly herbicides.
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Affiliation(s)
- Quan Zhang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, 310032, Zhejiang, China
| | - Qingmiao Cui
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, 310032, Zhejiang, China
| | - Siqing Yue
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, 310032, Zhejiang, China
| | - Zhengbiao Lu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, 310032, Zhejiang, China
| | - Meirong Zhao
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, 310032, Zhejiang, China.
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Grogg M, Hilvert D, Ebert MO, Beck AK, Seebach D, Kurth F, Dittrich PS, Sparr C, Wittlin S, Rottmann M, Mäser P. Cell Penetration, Herbicidal Activity, and in-vivo-Toxicity of Oligo-Arginine Derivatives and of Novel Guanidinium-Rich Compounds Derived from the Biopolymer Cyanophycin. Helv Chim Acta 2018; 101:e1800112. [PMID: 30905972 PMCID: PMC6426238 DOI: 10.1002/hlca.201800112] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 08/02/2018] [Indexed: 11/10/2022]
Abstract
Oligo-arginines are thoroughly studied cell-penetrating peptides (CPPs, Figures 1 and 2). Previous in-vitro investigations with the octaarginine salt of the phosphonate fosmidomycin (herbicide and anti-malaria drug) have shown a 40-fold parasitaemia inhibition with P. falciparum, compared to fosmidomycin alone (Figure 3). We have now tested this salt, as well as the corresponding phosphinate salt of the herbicide glufosinate, for herbicidal activity with whole plants by spray application, hoping for increased activities, i.e. decreased doses. However, both salts showed low herbicidal activity, indicating poor foliar uptake (Table 1). Another pronounced difference between in-vitro and in-vivo activity was demonstrated with various cell-penetrating octaarginine salts of fosmidomycin: intravenous injection to mice caused exitus of the animals within minutes, even at doses as low as 1.4 μmol/kg (Table 2). The results show that use of CPPs for drug delivery, for instance to cancer cells and tissues, must be considered with due care. The biopolymer cyanophycin is a poly-aspartic acid containing argininylated side chains (Figure 4); its building block is the dipeptide H-βAsp-αArg-OH (H-Adp-OH). To test and compare the biological properties with those of octaarginines we synthesized Adp8-derivatives (Figure 5). Intravenouse injection of H-Adp8-NH2 into the tail vein of mice with doses as high as 45 μmol/kg causes no symptoms whatsoever (Table 3), but H-Adp8-NH2 is not cell penetrating (HEK293 and MCF-7 cells, Figure 6). On the other hand, the fluorescently labeled octamers FAM-(Adp(OMe))8-NH2 and FAM-(Adp(NMe2))8-NH2 with ester and amide groups in the side chains exhibit mediocre to high cell-wall permeability (Figure 6), and are toxic (Table 3). Possible reasons for this behavior are discussed (Figure 7) and corresponding NMR spectra are presented (Figure 8).
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Affiliation(s)
- Marcel Grogg
- Laboratorium für Organische Chemie, Departement Chemie und Angewandte Biowissenschaften, ETH-Zürich, Hönggerberg HCI, Vladimir-Prelog-Weg 3, CH-8093 Zürich, Switzerland
| | - Donald Hilvert
- Laboratorium für Organische Chemie, Departement Chemie und Angewandte Biowissenschaften, ETH-Zürich, Hönggerberg HCI, Vladimir-Prelog-Weg 3, CH-8093 Zürich, Switzerland
| | - Marc-Olivier Ebert
- Laboratorium für Organische Chemie, Departement Chemie und Angewandte Biowissenschaften, ETH-Zürich, Hönggerberg HCI, Vladimir-Prelog-Weg 3, CH-8093 Zürich, Switzerland
| | - Albert K. Beck
- Laboratorium für Organische Chemie, Departement Chemie und Angewandte Biowissenschaften, ETH-Zürich, Hönggerberg HCI, Vladimir-Prelog-Weg 3, CH-8093 Zürich, Switzerland
| | - Dieter Seebach
- Laboratorium für Organische Chemie, Departement Chemie und Angewandte Biowissenschaften, ETH-Zürich, Hönggerberg HCI, Vladimir-Prelog-Weg 3, CH-8093 Zürich, Switzerland
| | - Felix Kurth
- Department of Biosystems Science and Engineering, ETH Zürich, BSD H 368, Mattenstrasse 26, CH-4058 Basel, Switzerland
| | - Petra S. Dittrich
- Department of Biosystems Science and Engineering, ETH Zürich, BSD H 368, Mattenstrasse 26, CH-4058 Basel, Switzerland
| | - Christof Sparr
- Department of Chemistry, University of Basel, St. Johanns-Ring 19, CH-4056 Basel, Switzerland
| | - Sergio Wittlin
- Swiss Tropical and Public Health Institute, Socinstrasse 57, CH-4051 Basel, Switzerland
| | - Matthias Rottmann
- Swiss Tropical and Public Health Institute, Socinstrasse 57, CH-4051 Basel, Switzerland
| | - Pascal Mäser
- Swiss Tropical and Public Health Institute, Socinstrasse 57, CH-4051 Basel, Switzerland
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Tahmasebi BK, Alcántara-de la Cruz R, Alcántara E, Torra J, Domínguez-Valenzuela JA, Cruz-Hipólito HE, Rojano-Delgado AM, De Prado R. Multiple Resistance Evolution in Bipyridylium-Resistant Epilobium ciliatum After Recurrent Selection. FRONTIERS IN PLANT SCIENCE 2018; 9:695. [PMID: 29892306 PMCID: PMC5985439 DOI: 10.3389/fpls.2018.00695] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 05/07/2018] [Indexed: 05/26/2023]
Abstract
The use of herbicides with different modes of action is the primary strategy used to control weeds possessing resistance to a single mechanism of action (MOA). However, this practice can lead to selection for generalist resistance mechanisms and may cause resistance to all MOAs. In this research, we characterized the resistance to diquat/paraquat (bipyridiliums) in an Epilobium ciliatum biotype (R1) collected in an olive orchard from Chile, where alternatives herbicides (2,4-D, glyphosate, glufosinate, flazasulfuron and pyraflufen-ethyl) with different MOAs were used, but they have also showed failure in controlling this species. Because the resistance/susceptibility patterns of the R1 biotype to glufosinate, 2,4-D and pyraflufen-ethyl were not clear, a recurrent resistance selection was carried out in field and greenhouse using these herbicides on R1 plants for three generations (R2 biotype). One biotype that was never treated with herbicides (S) was included as control. Results indicated that the S biotype was controlled at the field dose of all herbicides tested. The biotype R1 exhibited resistance to diquat, paraquat and flazasulfuron and natural tolerance to glyphosate. The R2 biotype displayed resistance to glufosinate, 2,4-D and pyraflufen-ethyl with LD50 (herbicide dose to kill 50% of plants) values higher than field doses in all assays. Physiological and biochemical studies determined the resistance to diquat of the R1 biotype, which was due to impaired translocation. The resistance to flazasulfuron in the R1 and R2 biotypes was confirmed by the low sensitivity of the acetolactate synthase (ALS) activity compared to the S biotype. The similar accumulation of shikimate in treated S, R1, and R2 plants with glyphosate supported the existence of innate tolerance to this herbicide in E. ciliatum. Resistance to glufosinate, 2,4-D and pyraflufen-ethyl in the R2 biotype, acquired after recurrent selection, was determined by low sensitivity of the glutamine synthetase, low accumulation of ethylene and protoporphyrinogen IX oxidase, respectively, in comparison to the S biotype. Epilobium ciliatum from Chilean olive orchards had resistance to only two MAOs (photosystem I and ALS inhibitors), but resistance to five MOAs could occur in the next cropping seasons, if alternatives to weed management, other than herbicides, are not included.
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Affiliation(s)
- Berhoz K. Tahmasebi
- Department of Agronomy and Plant Breeding, University of Mohaghegh Ardabili, Ardabil, Iran
| | | | | | - Joel Torra
- Departament d'Hortofructicultura, Botànica i Jardineria, Agrotecnio, Universitat de Lleida, Lleida, Spain
| | | | | | | | - Rafael De Prado
- Department of Agricultural Chemistry and Edaphology, University of Cordoba, Cordoba, Spain
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Gherekhloo J, Fernández-Moreno PT, Alcántara-de la Cruz R, Sánchez-González E, Cruz-Hipolito HE, Domínguez-Valenzuela JA, De Prado R. Pro-106-Ser mutation and EPSPS overexpression acting together simultaneously in glyphosate-resistant goosegrass (Eleusine indica). Sci Rep 2017; 7:6702. [PMID: 28751654 PMCID: PMC5532362 DOI: 10.1038/s41598-017-06772-1] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Accepted: 06/16/2017] [Indexed: 11/09/2022] Open
Abstract
Glyphosate has been used for more than 15 years for weed management in citrus groves in the Gulf of Mexico, at up to 3-4 applications per year. Goosegrass (Eleusine indica (L.) Gaertn.) control has sometimes failed. In this research, the mechanisms governing three goosegrass biotypes (Ein-Or from an orange grove, and Ein-Pl1 and Ein-Pl2 from Persian lime groves) with suspected resistance to glyphosate were characterized and compared to a susceptible biotype (Ein-S). Dose-response and shikimate accumulation assays confirmed resistance of the resistant (R) biotypes. There were no differences in glyphosate absorption, but the R biotypes retained up to 62-78% of the herbicide in the treated leaf at 96 h after treatment (HAT), in comparison to the Ein-S biotype (36%). The 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) activity in the Ein-Or and Ein-S biotypes was over 100-fold lower than the Ein-Pl1 and Ein-Pl2 ones. The latter showed a high EPSPS-basal activity, a mutation at Pro-106-Ser position in the EPSPS gene, and EPSPS overexpression. The EPSPS basal and EPSPS overexpression were positively correlated. The R goosegrass biotypes displayed poor glyphosate translocation. Furthermore, this grassweed showed, for the first time, two mechanisms at the target-site level (Pro-106-Ser mutation + EPSPS overexpression) acting together simultaneously against glyphosate.
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Affiliation(s)
- Javid Gherekhloo
- Department of Agronomy, Gorgan University of Agricultural Sciences and Natural Resources, 49189-43464, Gorgan, Iran
| | - Pablo T Fernández-Moreno
- Department of Agricultural Chemistry and Edaphology, Campus of Rabanales, University of Cordoba, 14071, Cordoba, Spain
| | | | | | | | | | - Rafael De Prado
- Department of Agricultural Chemistry and Edaphology, Campus of Rabanales, University of Cordoba, 14071, Cordoba, Spain
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Ganie ZA, Jhala AJ. Interaction of 2,4-D or Dicamba with Glufosinate for Control of Glyphosate-Resistant Giant Ragweed ( Ambrosia trifida L.) in Glufosinate-Resistant Maize ( Zea mays L.). FRONTIERS IN PLANT SCIENCE 2017; 8:1207. [PMID: 28740503 PMCID: PMC5502257 DOI: 10.3389/fpls.2017.01207] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Accepted: 06/26/2017] [Indexed: 05/31/2023]
Abstract
Glyphosate-resistant (GR) giant ragweed is a problematic broadleaf weed in crops including maize and soybean in the Midwestern United States. Commercialization of crops with 2,4-D or dicamba and glufosinate resistance will allow post-emergence (POST) applications of these herbicides. Therefore, information is needed on how 2,4-D/dicamba will interact with glufosinate in various rate combinations. The objectives of this study were to evaluate the interaction of glufosinate plus 2,4-D and/or dicamba for control of GR giant ragweed, and to determine their effect on GR giant ragweed density, biomass, maize injury, and yield. Field experiments were conducted in 2013 and 2014 in a field infested with GR giant ragweed in Nebraska, United States. The treatments included POST applications of glufosinate (450 or 590 g ai ha-1), 2,4-D, or dicamba at 280 or 560 g ae ha-1 applied alone and in tank-mixtures in glufosinate-resistant maize. The results showed that dicamba applied alone resulted in 56 to 62% and 73 to 83% control at 14 and 28 days after treatment (DAT), respectively, and ≥95% control at 60 DAT or at harvest compared to 17 to 30% and 57 to 73% control with 2,4-D applied alone at 280 and 560 g ai ha-1, respectively. Glufosinate tank-mixed with 2,4-D and/or dicamba consistently provided ≥89% control of GR giant ragweed, except that control with glufosinate plus 2,4-D varied from 80 to 92% at 60 DAT and at harvest. The comparison between the observed and expected control (determined by Colby's equation) suggested an additive interaction between glufosinate and 2,4-D or dicamba for control of GR giant ragweed. Contrast analysis also indicated that GR giant ragweed control with glufosinate plus 2,4-D or dicamba was either consistently higher or comparable with individual herbicides excluding 2,4-D applied alone. Herbicide programs, excluding 2,4-D at 280 g ae ha-1, resulted in ≥80% reduction in GR giant ragweed density. Tank-mixing glufosinate with 2,4-D or dicamba showed an additive effect and will be an additional tool with two effective modes of action for the management of GR giant ragweed in maize.
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