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Palma-Bautista C, Belluccini P, Vázquez-García JG, Alcántara-de la Cruz R, Barro F, Portugal J, De Prado R. Target-site and non-target-site resistance mechanisms confer multiple resistance to glyphosate and 2,4-D in Carduus acanthoides. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2023; 191:105371. [PMID: 36963940 DOI: 10.1016/j.pestbp.2023.105371] [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: 12/19/2022] [Revised: 02/09/2023] [Accepted: 02/11/2023] [Indexed: 06/18/2023]
Abstract
Carduus acanthoides L. is mainly a range-land weed, but in the 2010s has begun to invade GM crop production systems in Córdoba (Argentina), where glyphosate and 2,4-D have been commonly applied. In 2020, C. acanthoides was found with multiple resistance to these two herbicides. In this study, the mechanisms that confer multiple resistance to glyphosate and 2,4-D, were characterized in one resistant (R) population of C. acanthoides in comparison to a susceptible (S) population. No differences in 14C-herbicide absorption and translocation were observed between R and S populations. In addition, 14C-glyphosate was well translocated to the shoots (∼30%) and roots (∼16%) in both R and S plants, while most of 14C-2,4-D remained restricted in the treated leaf. Glyphosate metabolism did not contribute to resistance of the R population; however, as corroborated by malathion pretreatment, the mechanism of resistance to 2,4-D was enhanced metabolism (63% of the herbicide) mediated by cytochrome P450 (Cyt-P450). No differences were found in baseline EPSPS activity, copy number, and/or gene expression between the R and S populations, but a Pro-106-Ser mutation in EPSPS was present in the R population. Multiple resistances in the R population of C. acanthoides from Argentina were governed by target site resistance (a Pro-106 mutation for glyphosate) and non-target site resistance (Cyt-P450-based metabolic resistance for 2,4-D) mechanisms. This is the first case of resistance to glyphosate and 2,4-D confirmed for this weed in the world.
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Affiliation(s)
- Candelario Palma-Bautista
- Department Agroforestry, Biochemistry and Molecular Biology, University of Cordoba, Córdoba 14071, Spain
| | - Pablo Belluccini
- INTA, Marcos Juárez, Provincial Route 12, Marcos Juarez, Cordoba 2580, Argentina
| | - José G Vázquez-García
- Department Agroforestry, Biochemistry and Molecular Biology, University of Cordoba, Córdoba 14071, Spain
| | - Ricardo Alcántara-de la Cruz
- Centro de Ciências da Natureza, Campus Lagoa do Sino, Universidade Federal de São Carlos, Buri 18290-000, Brazil.
| | - Francisco Barro
- Institute for Sustainable Agriculture, CSIC, Córdoba 14080, Spain
| | - João Portugal
- Biosciences Department, Polytechnic Institute of Beja, Beja 7800-295, Portugal; VALORIZA-Research Centre for Endogenous Resource Valorization, Polytechnic Institute of Portalegre, Portalegre 7300-555, Portugal
| | - Rafael De Prado
- Department Agroforestry, Biochemistry and Molecular Biology, University of Cordoba, Córdoba 14071, Spain
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Liu W, Meng L, Zhao W, Wang Z, Miao C, Wan Y, Jin W. Proteomic and Metabolomic Evaluation of Insect- and Herbicide-Resistant Maize Seeds. Metabolites 2022; 12:1078. [PMID: 36355161 PMCID: PMC9696663 DOI: 10.3390/metabo12111078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 10/27/2022] [Accepted: 11/02/2022] [Indexed: 05/27/2024] Open
Abstract
Label-free quantitative proteomic (LFQ) and widely targeted metabolomic analyses were applied in the safety evaluation of three genetically modified (GM) maize varieties, BBL, BFL-1, and BFL-2, in addition to their corresponding non-GM parent maize. A total of 76, 40, and 25 differentially expressed proteins (DEPs) were screened out in BBL, BFL-1, and BFL-2, respectively, and their abundance compared was with that in their non-GM parents. Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis showed that most of the DEPs participate in biosynthesis of secondary metabolites, biosynthesis of amino acids, and metabolic pathways. Metabolomic analyses revealed 145, 178, and 88 differentially accumulated metabolites (DAMs) in the BBL/ZH58, BFL-1/ZH58, and BFL-2/ZH58×CH72 comparisons, respectively. KEGG pathway enrichment analysis showed that most of the DAMs are involved in biosynthesis of amino acids, and in arginine and proline metabolism. Three co-DEPs and 11 co-DAMs were identified in the seeds of these GM maize lines. The proteomic profiling of seeds showed that the GM maize varieties were not dramatically different from their non-GM control. Similarly, the metabolomic profiling of seeds showed no dramatic changes in the GM/non-GM maize varieties compared with the GM/GM and non-GM/non-GM maize varieties. The genetic background of the transgenic maize was found to have some influence on its proteomic and metabolomic profiles.
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Affiliation(s)
| | | | | | | | | | | | - Wujun Jin
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
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3
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Barua R, Malone J, Boutsalis P, Gill G, Preston C. Inheritance and mechanism of glyphosate resistance in annual bluegrass (Poa annua L.). PEST MANAGEMENT SCIENCE 2022; 78:1377-1385. [PMID: 34894201 DOI: 10.1002/ps.6754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 12/07/2021] [Accepted: 12/11/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND In initial screening, glyphosate was ineffective in controlling five Poa annua populations. These populations were tested for resistance, and studies undertaken to determine resistance mechanisms and inheritance pattern. RESULTS Dose-response studies conducted at 16/12°C and 27/20°C on the five putative resistant populations showed low-level resistance (1.4- to 2.5-fold) to glyphosate. Shikimic acid accumulation in response to glyphosate confirmed differences among the populations, with greater shikimic acid accumulation in the susceptible population. The EPSPS gene copy number was 0.5- to 5.2-fold greater in one resistant population (HT) than in the susceptible (S) population, but not in the others. EPSPS gene expression was five- to tenfold higher in HT compared with the susceptible population. Target site mutations, differences in glyphosate absorption or translocation or altered expression of aldo-keto reductase (AKR) were not identified in any of the resistant populations. Crosses were successful between one resistant population and the susceptible population (P262-16♂ ✕ S♀) and inheritance of glyphosate resistance appears to be controlled by a single, nuclear dominant gene in this population. CONCLUSION Our study identified EPSPS gene amplification in a South Australian glyphosate-resistant P. annua population (HT). This mechanism of resistance was not identified in the other four glyphosate-resistant populations, and other common mechanisms were excluded. Although the resistance mechanism in some P. annua populations remains unknown, inheritance studies with one population suggest the involvement of a single dominant gene. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Rajesh Barua
- School of Agriculture, Food and Wine, University of Adelaide, Glen Osmond, Australia
| | - Jenna 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
| | - 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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Li J, Zhang Z, Lei Q, Lu B, Jin C, Liu X, Wang Y, Bai L. Multiple herbicide resistance in Eleusine indica from sugarcane fields in China. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2022; 182:105040. [PMID: 35249648 DOI: 10.1016/j.pestbp.2022.105040] [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: 11/08/2021] [Revised: 01/05/2022] [Accepted: 01/13/2022] [Indexed: 06/14/2023]
Abstract
Long-term reliance on herbicide weed control has led to resistance evolution in Eleusine indica in sugarcane fields of Guangxi Zhuang autonomous region. Ninety-six E. indica lines were collected from this region, and their response was tested to six herbicides: glyphosate; glufosinate; PSII-inhibitors diuron and atrazine; and PSI inhibitors paraquat and diquat. Target-site resistance mechanisms were examined in specific lines with multiple resistance to three herbicide modes of action. Of 96 E. indica lines, 51, 26, and 24 lines had resistance to diuron, atrazine, and diquat, respectively, while 14 and 9 had resistance to paraquat and glyphosate. Among 25 lines tested with multiple resistance, 7 lines exhibited resistance to three herbicide modes of action. In two multiple resistant lines (GXER2, GXER5), amplification/over-expression/mutations of the EPSPS gene contributed to the very high-level (up to 109-fold) glyphosate resistance. No target-site mutations/over-expression were identified in the psbA gene in these two lines, so non-target-site resistance mechanisms were likely responsible for the low-level (3-fold) resistance to the PSII herbicides diuron and atrazine. A high-level (23-fold) of paraquat resistance was observed in GXER5, and a low-level (5-fold) paraquat resistance was found in GXER2. Multiple herbicide resistance in E. indica has evolved in sugarcane fields of Guangxi Zhuang autonomous region with diverse resistance mechanisms. Therefore, diversified weed control tactics should be adopted to prevent this weed.
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Affiliation(s)
- Jingbo Li
- Key Laboratory of Green Control of Crop Pests in Hunan Higher Education, Hunan Provincial Collaborative Innovation Center for Field Weed Control, Hunan University of Humanities, Science and Technology, Loudi, China; Guangxi Key Laboratory of Biology for Crop Diseases and Insect Pests, Plant Protection Research Institute, Guangxi Academy of Agricultural Science, Nanning, China
| | - Zhiqian Zhang
- Key Laboratory of Green Control of Crop Pests in Hunan Higher Education, Hunan Provincial Collaborative Innovation Center for Field Weed Control, Hunan University of Humanities, Science and Technology, Loudi, China
| | - Qi Lei
- Key Laboratory of Green Control of Crop Pests in Hunan Higher Education, Hunan Provincial Collaborative Innovation Center for Field Weed Control, Hunan University of Humanities, Science and Technology, Loudi, China
| | - Bugao Lu
- Key Laboratory of Green Control of Crop Pests in Hunan Higher Education, Hunan Provincial Collaborative Innovation Center for Field Weed Control, Hunan University of Humanities, Science and Technology, Loudi, China
| | - Chenzhong Jin
- Key Laboratory of Green Control of Crop Pests in Hunan Higher Education, Hunan Provincial Collaborative Innovation Center for Field Weed Control, Hunan University of Humanities, Science and Technology, Loudi, China
| | - Xiu Liu
- Key Laboratory of Green Control of Crop Pests in Hunan Higher Education, Hunan Provincial Collaborative Innovation Center for Field Weed Control, Hunan University of Humanities, Science and Technology, Loudi, China
| | - Yanhui Wang
- Guangxi Key Laboratory of Biology for Crop Diseases and Insect Pests, Plant Protection Research Institute, Guangxi Academy of Agricultural Science, Nanning, China.
| | - Lianyang Bai
- Hunan Provincial Key Laboratory for Biology and Control of Weed, Hunan Academy of Agricultural Science, Changsha, China.
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Mehta S, Kumar A, Achary VMM, Ganesan P, Rathi N, Singh A, Sahu KP, Lal SK, Das TK, Reddy MK. Antifungal activity of glyphosate against fungal blast disease on glyphosate-tolerant OsmEPSPS transgenic rice. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 311:111009. [PMID: 34482912 DOI: 10.1016/j.plantsci.2021.111009] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 07/20/2021] [Accepted: 07/24/2021] [Indexed: 06/13/2023]
Abstract
Weeds, pests, and pathogens are among the pre-harvest constraints in rice farming across rice-growing countries. For weed management, manual weeding and herbicides are widely practiced. Among the herbicides, glyphosate [N-(phosphonomethyl) glycine] is a broad-spectrum systemic chemical extensively used in agriculture. Being a competitive structural analog to phosphoenolpyruvate, it selectively inhibits the conserved 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) enzyme required for the biosynthesis of aromatic amino acids and essential metabolites in eukaryotes and prokaryotes. In the present study, we investigated the antifungal and defense elicitor activity of glyphosate against Magnaporthe oryzae on transgenic-rice overexpressing a glyphosate-resistance OsEPSPS gene (T173I + P177S; TIPS OsmEPSPS) for blast disease management. The glyphosate foliar spray on OsmEPSPS transgenic rice lines showed both prophylactic and curative suppression of blast disease comparable to a blasticide, tricyclazole. The glyphosate displayed direct antifungal activity on Magnaporthe oryzae as well as enhanced the levels of antioxidant enzymes and photosynthetic pigments in rice. However, the genes associated with phytohormones-mediated defense (OsPAD4, OsNPR1.3, and OsFMO) and innate immunity pathway (OsCEBiP and OsCERK1) were found repressed upon glyphosate spray. Altogether, the current study is the first report highlighting the overexpression of a crop-specific TIPS mutation in conjugation with glyphosate application showing potential for blast disease management in rice cultivation.
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Affiliation(s)
- Sahil Mehta
- Crop Improvement Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Aundy Kumar
- ICAR-Indian Agricultural Research Institute, New Delhi, India.
| | - V Mohan Murali Achary
- Crop Improvement Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Prakash Ganesan
- ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Neelmani Rathi
- ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Asmita Singh
- ICAR-Indian Agricultural Research Institute, New Delhi, India
| | | | - Shambhu Krishan Lal
- Crop Improvement Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India; ICAR-Indian Institute of Agricultural Biotechnology, Ranchi, Jharkhand, India
| | - T K Das
- ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Malireddy K Reddy
- Crop Improvement Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India.
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Vázquez-García JG, Hoyos V, Plaza G, Palma-Bautista C, Alcántara-de la Cruz R, De Prado R. Glyphosate resistance in Chloris radiata from colombian rice fields involves one target-site mechanism. CHEMOSPHERE 2021; 281:130888. [PMID: 34029964 DOI: 10.1016/j.chemosphere.2021.130888] [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: 03/16/2021] [Revised: 05/04/2021] [Accepted: 05/09/2021] [Indexed: 06/12/2023]
Abstract
At present, appearance of herbicide resistant weeds is not new because repeated herbicide treatments per agricultural year/cycle are usual in both perennial and annual crops worldwide. Characterizing resistance mechanisms implied in each herbicide resistant weed is the best tool and the basis to develop integrated weed management (IWM) strategies. The main resistance mechanisms which confer low sensibility to glyphosate in a previously confirmed glyphosate-resistant Chloris radiata population (ChrR), occurring in Colombian rice fields, were characterized. Pure line selection by clone plants showed high resistance levels in ChrR. Comparing with GR50 and LD50 values, ChrR was 9.6 and 10.8 times more resistant with respect to a representative susceptible population (ChrS). The nontarget site mechanisms reduced glyphosate absorption and translocation did not contribute to the glyphosate resistance of the ChrR population. However, enzyme activity assays and DNA sequencing demonstrated that at least one target-site resistance mechanism is involved in such resistance. All ten ChrR plants tested had the amino acid substitution Pro-106-Ser. The results may be crucial to decrease the resistance distribution of C. radiata in Colombia by implementing IWM programs. The change in weed control strategies in rice fields from Colombia must include herbicides with different mode of action from glyphosate and non chemical methods to preserve the useful life of glyphosate longer for weed control in the country.
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Affiliation(s)
- José G Vázquez-García
- Department of Agricultural Chemistry and Edaphology, University of Cordoba, 14071, Cordoba, Spain
| | - Verónica Hoyos
- Facultad de Ingeniería, Universidad Del Magdalena, Santa Marta, 470004, Magdalena, Colombia
| | - Guido Plaza
- Departamento de Agronomía, Universidad Nacional de Colombia, 111321, Bogotá, Colombia
| | | | - Ricardo Alcántara-de la Cruz
- Centro de Ciências da Natureza, Universidade Federal de São Carlos, Campus Lagoa Do Sino, 18290-000, Buri, Brazil.
| | - Rafael De Prado
- Department of Agricultural Chemistry and Edaphology, University of Cordoba, 14071, Cordoba, Spain
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Wang Z, Wan L, Xin Q, Zhang X, Song Y, Wang P, Hong D, Fan Z, Yang G. Optimizing glyphosate tolerance in rapeseed by CRISPR/Cas9-based geminiviral donor DNA replicon system with Csy4-based single-guide RNA processing. JOURNAL OF EXPERIMENTAL BOTANY 2021; 72:4796-4808. [PMID: 33872346 DOI: 10.1093/jxb/erab167] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 04/16/2021] [Indexed: 06/12/2023]
Abstract
Rapeseed (Brassica napus L.) is an important oil crop worldwide, and effective weed control can protect its yield and quality. Farmers can benefit from cultivars tolerant to herbicides such as glyphosate. Amino acid substitutions in enolpyruvylshikimate-3-phosphate synthase (EPSPS) render the plant less sensitive to glyphosate. Therefore, we aimed to optimize the glyphosate tolerance trait in rapeseed via endogenous EPSPS modification. To achieve effective gene replacement in B. napus L., we employed a CRISPR/Cas9 system expressing single-guide RNAs (sgRNAs) cleaved by the CRISPR-associated RNA endoribonuclease Csy4 from Pseudomonas aeruginosa, for targeted induction of double-strand breaks. Both the donor template and a geminiviral replicon harbouring an sgRNA expression cassette were introduced into plant cells. Using sgRNAs targeting adjacent donor DNA template containing synonymous mutations in sgRNA sites, we achieved precise gene replacements in the endogenous B. napus EPSPS gene, BnaC04EPSPS, resulting in amino acid substitutions at frequencies up to 20%. Rapeseed seedlings harbouring these substitutions were glyphosate-tolerant. Furthermore, modifications in BnaC04EPSPS were precisely transmitted to the next generation. Our genome editing strategy enables highly efficient gene targeting and the induction of glyphosate tolerance in oilseed rape.
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Affiliation(s)
- Zhuanrong Wang
- Institute of Crop Science, Wuhan Academy of Agricultural Sciences, Wuhan, Hubei, China
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Lili Wan
- Institute of Crop Science, Wuhan Academy of Agricultural Sciences, Wuhan, Hubei, China
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Qiang Xin
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Xiaohui Zhang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Yixian Song
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Pengfei Wang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Dengfeng Hong
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Zhixiong Fan
- Crop Institute, Anhui Academy of Agricultural Sciences, Hefei, Anhui, China
| | - Guangsheng Yang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
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8
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Baek Y, Bobadilla LK, Giacomini DA, Montgomery JS, Murphy BP, Tranel PJ. Evolution of Glyphosate-Resistant Weeds. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 255:93-128. [PMID: 33932185 DOI: 10.1007/398_2020_55] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Widespread adoption of glyphosate-resistant crops and concomitant reliance on glyphosate for weed control set an unprecedented stage for the evolution of herbicide-resistant weeds. There are now 48 weed species that have evolved glyphosate resistance. Diverse glyphosate-resistance mechanisms have evolved, including single, double, and triple amino acid substitutions in the target-site gene, duplication of the gene encoding the target site, and others that are rare or nonexistent for evolved resistance to other herbicides. This review summarizes these resistance mechanisms, discusses what is known about their evolution, and concludes with some of the impacts glyphosate-resistant weeds have had on weed management.
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Affiliation(s)
- Yousoon Baek
- Department of Crop Sciences, University of Illinois, Urbana, IL, USA
| | - Lucas K Bobadilla
- Department of Crop Sciences, University of Illinois, Urbana, IL, USA
| | - Darci A Giacomini
- Department of Crop Sciences, University of Illinois, Urbana, IL, USA
| | | | - Brent P Murphy
- Department of Crop Sciences, University of Illinois, Urbana, IL, USA
| | - Patrick J Tranel
- Department of Crop Sciences, University of Illinois, Urbana, IL, USA.
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9
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García MJ, Palma-Bautista C, Vazquez-Garcia JG, Rojano-Delgado AM, Osuna MD, Torra J, De Prado R. Multiple mutations in the EPSPS and ALS genes of Amaranthus hybridus underlie resistance to glyphosate and ALS inhibitors. Sci Rep 2020; 10:17681. [PMID: 33077813 PMCID: PMC7572458 DOI: 10.1038/s41598-020-74430-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 09/21/2020] [Indexed: 12/01/2022] Open
Abstract
Amaranthus hybridus is one of the main weed species in Córdoba, Argentina. Until recently, this weed was effectively controlled with recurrent use of glyphosate. However, a population exhibiting multiple resistance (MR2) to glyphosate and imazamox appeared in a glyphosate resistant (GR) soybean field, with levels of resistance up to 93 and 38-fold higher to glyphosate and imazamox, respectively compared to the susceptible (S) population. In addition to imidazolinones, MR2 plants showed high resistance levels to sulfonylamino-carbonyl (thio) benzoates and moderate resistance to sulfonylureas and triazolopyrimidines. Multiple amino acid substitutions were found in both target genes, acetolactate synthase (ALS) and 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS), responsible for conferring high herbicides resistance levels in this A. hybridus population. In the case of EPSPS, the triple amino acid substitution TAP-IVS was found. In addition, MR2 plants also showed increased EPSPS gene expression compared to susceptible plants. A Ser653Asn substitution was found in the ALS sequence of MR2, explaining the pattern of cross-resistance to the ALS-inhibitor herbicide families found at the ALS enzyme activity level. No other mutations were found in other conserved domains of the ALS gene. This is the first report worldwide of the target site resistance mechanisms to glyphosate and ALS inhibitors in multiple herbicide resistance Amaranthus hybridus.
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Affiliation(s)
- Maria J García
- Department of Botany, Ecology and Plant Physiology, University of Cordoba, 14071, Córdoba, Spain.
| | | | - José G Vazquez-Garcia
- Department of Agricultural Chemistry and Edaphology, University of Cordoba, 14071, Cordoba, Spain
| | - Antonia M Rojano-Delgado
- Department of Agricultural Chemistry and Edaphology, University of Cordoba, 14071, Cordoba, Spain
| | - María D Osuna
- Agrarian Research Center 'Finca La Orden' Valdesequera, Badajoz, Spain
| | - Joel Torra
- Departament D'Hortofructicultura, Botànica 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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10
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iTRAQ-based quantitative proteomic analysis of transgenic and non-transgenic maize seeds. J Food Compost Anal 2020. [DOI: 10.1016/j.jfca.2020.103564] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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11
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Gaines TA, Duke SO, Morran S, Rigon CAG, Tranel PJ, Küpper A, Dayan FE. Mechanisms of evolved herbicide resistance. J Biol Chem 2020; 295:10307-10330. [PMID: 32430396 PMCID: PMC7383398 DOI: 10.1074/jbc.rev120.013572] [Citation(s) in RCA: 213] [Impact Index Per Article: 53.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 05/18/2020] [Indexed: 12/13/2022] Open
Abstract
The widely successful use of synthetic herbicides over the past 70 years has imposed strong and widespread selection pressure, leading to the evolution of herbicide resistance in hundreds of weed species. Both target-site resistance (TSR) and nontarget-site resistance (NTSR) mechanisms have evolved to most herbicide classes. TSR often involves mutations in genes encoding the protein targets of herbicides, affecting the binding of the herbicide either at or near catalytic domains or in regions affecting access to them. Most of these mutations are nonsynonymous SNPs, but polymorphisms in more than one codon or entire codon deletions have also evolved. Some herbicides bind multiple proteins, making the evolution of TSR mechanisms more difficult. Increased amounts of protein target, by increased gene expression or by gene duplication, are an important, albeit less common, TSR mechanism. NTSR mechanisms include reduced absorption or translocation and increased sequestration or metabolic degradation. The mechanisms that can contribute to NTSR are complex and often involve genes that are members of large gene families. For example, enzymes involved in herbicide metabolism-based resistances include cytochromes P450, GSH S-transferases, glucosyl and other transferases, aryl acylamidase, and others. Both TSR and NTSR mechanisms can combine at the individual level to produce higher resistance levels. The vast array of herbicide-resistance mechanisms for generalist (NTSR) and specialist (TSR and some NTSR) adaptations that have evolved over a few decades illustrate the evolutionary resilience of weed populations to extreme selection pressures. These evolutionary processes drive herbicide and herbicide-resistant crop development and resistance management strategies.
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Affiliation(s)
- Todd A Gaines
- Agricultural Biology Department, Colorado State University, Fort Collins, Colorado, USA
| | - Stephen O Duke
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, Oxford, Mississippi, USA
| | - Sarah Morran
- Agricultural Biology Department, Colorado State University, Fort Collins, Colorado, USA
| | - Carlos A G Rigon
- Agricultural Biology Department, Colorado State University, Fort Collins, Colorado, USA
| | - Patrick J Tranel
- Department of Crop Sciences, University of Illinois, Urbana, Illinois, USA
| | - Anita Küpper
- Bayer AG, CropScience Division, Frankfurt am Main, Germany
| | - Franck E Dayan
- Agricultural Biology Department, Colorado State University, Fort Collins, Colorado, USA
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New Case of False-Star-Grass (Chloris distichophylla) Population Evolving Glyphosate Resistance. AGRONOMY-BASEL 2020. [DOI: 10.3390/agronomy10030377] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Chloris distichophylla, suspected of glyphosate resistance (GR), was collected from areas of soybean cultivation in Rio Grande do Sul, Brazil. A comparison was made with a susceptible population (GS) to evaluate the resistance level, mechanisms involved, and control alternatives. Glyphosate doses required to reduce the dry weight (GR50) or cause a mortality rate of 50% (LD50) were around 5.1–3 times greater in the GR population than in the GS population. The shikimic acid accumulation was around 6.2-fold greater in GS plants than in GR plants. No metabolized glyphosate was found in either GR or GS plants. Both populations did not differ in the enzyme 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) basal activity or in vitro inhibition of EPSPS activity by glyphosate (I50). The maximum glyphosate absorption was observed at 96 hours after treatment (HAT), which was twofold higher in the GS plants than in the GR plants. This confirms the first case of glyphosate resistance in C. distichophylla. In addition, at 96 HAT, the GS plants translocated more 14C-glyphosate than the GR ones. The best options for the chemical control of both C. distichophylla populations were clethodim, quizalofop, paraquat, glufosinate, tembotrione, diuron, and atrazine. The first case of glyphosate resistance in C. distichophylla was due to impaired uptake and translocation. Chemical control using multiple herbicides with different modes of action (MOA) could be a tool used for integrated weed management (IWM) programs.
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Perotti VE, Larran AS, Palmieri VE, Martinatto AK, Permingeat HR. Herbicide resistant weeds: A call to integrate conventional agricultural practices, molecular biology knowledge and new technologies. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2020; 290:110255. [PMID: 31779903 DOI: 10.1016/j.plantsci.2019.110255] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 09/02/2019] [Accepted: 09/03/2019] [Indexed: 05/16/2023]
Abstract
Herbicide resistant (HR) weeds are of major concern in modern agriculture. This situation is exacerbated by the massive adoption of herbicide-based technologies along with the overuse of a few active ingredients to control weeds over vast areas year after year. Also, many other anthropological, biological, and environmental factors have defined a higher rate of herbicide resistance evolution in numerous weed species around the world. This review focuses on two central points: 1) how these factors have affected the resistance evolution process; and 2) which cultural practices and new approaches would help to achieve an effective integrated weed management. We claim that global climate change is an unnoticed factor that may be acting on the selection of HR weeds, especially those evolving into non-target-site resistance mechanisms. And we present several new tools -such as Gene Drive and RNAi technologies- that may be adopted to cope with herbicide resistance spread, as well as discuss their potential application at field level. This is the first review that integrates agronomic and molecular knowledge of herbicide resistance. It covers not only the genetic basis of the most relevant resistance mechanisms but also the strengths and weaknesses of traditional and forthcoming agricultural practices.
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Affiliation(s)
- Valeria E Perotti
- Laboratorio de Biología Molecular, Facultad de Ciencias Agrarias, Universidad Nacional de Rosario, Campo Experimental Villarino, S2125ZAA, Zavalla, Argentina
| | - Alvaro S Larran
- Laboratorio de Biología Molecular, Facultad de Ciencias Agrarias, Universidad Nacional de Rosario, Campo Experimental Villarino, S2125ZAA, Zavalla, Argentina; Instituto de Investigaciones en Ciencias Agrarias de Rosario (IICAR-CONICET-UNR), Facultad de Ciencias Agrarias, Universidad Nacional de Rosario, Campo Experimental Villarino, S2125ZAA, Zavalla, Argentina
| | - Valeria E Palmieri
- Laboratorio de Biología Molecular, Facultad de Ciencias Agrarias, Universidad Nacional de Rosario, Campo Experimental Villarino, S2125ZAA, Zavalla, Argentina
| | - Andrea K Martinatto
- Laboratorio de Biología Molecular, Facultad de Ciencias Agrarias, Universidad Nacional de Rosario, Campo Experimental Villarino, S2125ZAA, Zavalla, Argentina
| | - Hugo R Permingeat
- Laboratorio de Biología Molecular, Facultad de Ciencias Agrarias, Universidad Nacional de Rosario, Campo Experimental Villarino, S2125ZAA, Zavalla, Argentina; Instituto de Investigaciones en Ciencias Agrarias de Rosario (IICAR-CONICET-UNR), Facultad de Ciencias Agrarias, Universidad Nacional de Rosario, Campo Experimental Villarino, S2125ZAA, Zavalla, Argentina.
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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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Palma-Bautista C, Alcántara-de la Cruz R, Rojano-Delgado AM, Dellaferrera I, Domínguez-Martínez PA, De Prado R. Low temperatures enhance the absorption and translocation of 14C-glyphosate in glyphosate-resistant Conyza sumatrensis. JOURNAL OF PLANT PHYSIOLOGY 2019; 240:153009. [PMID: 31330417 DOI: 10.1016/j.jplph.2019.153009] [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] [Received: 03/06/2019] [Revised: 06/27/2019] [Accepted: 06/28/2019] [Indexed: 06/10/2023]
Abstract
Influence of low temperatures on the glyphosate efficacy was studied in glyphosate-resistant (R) and -susceptible (S) Conyza sumatrensis biotypes. For this purpose, the physiological and enzymatic aspects involved were characterized under two growing temperature regimes [high (30/20 °C) and low 15/5 °C temperatures day/night]. The R biotype was 5.5 times more resistant than the S biotype at high temperatures; however, this R-to-S ratio decreased to 1.6 at low temperatures. At 96 h after treatment (HAT), the shikimic acid accumulation was higher in the S biotype in both temperature regimes (4.6 and 1.9 more shikimic acid at high and low temperatures, respectively), but the accumulation of the R biotype increased 2.6 times at low temperatures compared to high ones. From 24 to 96 HAT, the 14C-glyphosate absorption ranged from 28 to 65% (percentage reached from 48 HAT) at low temperatures, and from 20 to 50% at high temperatures (gradual increase), but there were no differences between C. sumatrensis biotypes within each temperature regime. At high temperatures, the 14C-glyphosate translocation was different between biotypes, where the R one retained at least 10% more herbicide in the treated leaves than the S biotype at 96 HAT. So, the S biotype translocated 40% of 14C-glyphosate absorbed to roots, and the R biotype translocated only 28% of herbicide at the same period. At low temperatures, there were no differences between biotypes, and at 96 HAT, the 14C-glyphosate found in treated leaves was ˜47% and up to ˜42% reached the roots, i.e., the resistance mechanism was suppressed. The basal and enzymatic activities of the 5-enolpyruvyishikimate 3-phosphate synthase were different between temperature regimes, but there was no differences between biotypes within each temperature regime, showing that target-site resistance mechanisms did not contribute in the glyphosate resistance of the R biotype. Low temperatures enhanced the absorption and translocation of glyphosate by suppressing the resistance mechanisms improving its efficacy on resistant plants. This is the first characterization about the role of temperatures in the glyphosate efficacy on C. sumatrensis.
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Affiliation(s)
| | | | - Antonia M Rojano-Delgado
- Department of Agricultural Chemistry and Edaphology, University of Cordoba, 14071 Cordoba, Spain
| | - Ignacio Dellaferrera
- Facultad de Ciencias Agrarias, Universidad Nacional del Litoral, 3080 Esperanza, Argentina
| | - Pablo Alfredo Domínguez-Martínez
- National Institute of Forestry, Agriculture and Livestock Research (INIFAP)-Valle del Guadiana Experimental Field, 34170 Durango, Mexico
| | - Rafael De Prado
- Department of Agricultural Chemistry and Edaphology, University of Cordoba, 14071 Cordoba, Spain
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