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Trezza A, Birgauan A, Geminiani M, Visibelli A, Santucci A. Molecular and Evolution In Silico Studies Unlock the h4-HPPD C-Terminal Tail Gating Mechanism. Biomedicines 2024; 12:1196. [PMID: 38927403 PMCID: PMC11201076 DOI: 10.3390/biomedicines12061196] [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: 04/22/2024] [Revised: 05/21/2024] [Accepted: 05/24/2024] [Indexed: 06/28/2024] Open
Abstract
The enzyme 4-hydroxyphenylpyruvate dioxygenase (4-HPPD) is involved in the catabolism of the amino acid tyrosine in organisms such as bacteria, plants, and animals. It catalyzes the conversion of 4-hydroxyphenylpyruvate to a homogenisate in the presence of molecular oxygen and Fe(II) as a cofactor. This enzyme represents a key step in the biosynthesis of important compounds, and its activity deficiency leads to severe, rare autosomal recessive disorders, like tyrosinemia type III and hawkinsinuria, for which no cure is currently available. The 4-HPPD C-terminal tail plays a crucial role in the enzyme catalysis/gating mechanism, ensuring the integrity of the active site for catalysis through fine regulation of the C-terminal tail conformation. However, despite growing interest in the 4-HPPD catalytic mechanism and structure, the gating mechanism remains unclear. Furthermore, the absence of the whole 3D structure makes the bioinformatic approach the only possible study to define the enzyme structure/molecular mechanism. Here, wild-type 4-HPPD and its mutants were deeply dissected by applying a comprehensive bioinformatics/evolution study, and we showed for the first time the entire molecular mechanism and regulation of the enzyme gating process, proposing the full-length 3D structure of human 4-HPPD and two novel key residues involved in the 4-HPPD C-terminal tail conformational change.
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Affiliation(s)
- Alfonso Trezza
- Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, Via Aldo Moro, 53100 Siena, SI, Italy; (A.B.); (M.G.); (A.V.); (A.S.)
| | - Ancuta Birgauan
- Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, Via Aldo Moro, 53100 Siena, SI, Italy; (A.B.); (M.G.); (A.V.); (A.S.)
| | - Michela Geminiani
- Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, Via Aldo Moro, 53100 Siena, SI, Italy; (A.B.); (M.G.); (A.V.); (A.S.)
- SienabioACTIVE, Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, Via Aldo Moro, 53100 Siena, SI, Italy
| | - Anna Visibelli
- Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, Via Aldo Moro, 53100 Siena, SI, Italy; (A.B.); (M.G.); (A.V.); (A.S.)
| | - Annalisa Santucci
- Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, Via Aldo Moro, 53100 Siena, SI, Italy; (A.B.); (M.G.); (A.V.); (A.S.)
- SienabioACTIVE, Department of Biotechnology, Chemistry, and Pharmacy, University of Siena, Via Aldo Moro, 53100 Siena, SI, Italy
- ARTES 4.0, Viale Rinaldo Piaggio, 34, 56025 Pontedera, PI, Italy
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Hou ST, Han L, Li WR, Dai GY, Liu Y, Lu AM, Yang CL, Chen M. Design, synthesis and herbicidal activity of novel cyclohexanedione derivations containing pyrazole and pyridine groups as potential HPPD inhibitors. Mol Divers 2024:10.1007/s11030-024-10836-6. [PMID: 38609691 DOI: 10.1007/s11030-024-10836-6] [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: 12/19/2023] [Accepted: 03/04/2024] [Indexed: 04/14/2024]
Abstract
4-Hydroxyphenylpyruvate dioxygenase (EC 1.13.11.27; HPPD) is one of the important target enzymes in the development of herbicides. To discover novel HPPD inhibitors with unique molecular, 39 cyclohexanedione derivations containing pyrazole and pyridine groups were designed and synthesized. The preliminary herbicidal activity test results showed that some compounds had obvious inhibitory effects on monocotyledon and dicotyledonous weeds. The herbicidal spectrums of the highly active compounds were further determined, and the compound G31 exhibited the best inhibitory rate over 90% against Plantago depressa Willd and Capsella bursa-pastoris at the dosages of 75.0 and 37.5 g ai/ha, which is comparable to the control herbicide mesotrione. Moreover, compound G31 showed excellent crop safety, with less than or equal to 10% injury rates to corn, sorghum, soybean and cotton at a dosage of 225 g ai/ha. Molecular docking and molecular dynamics simulation analysis revealed that the compound G31 could stably bind to Arabidopsis thaliana HPPD (AtHPPD). This study indicated that the compound G31 could be used as a lead molecular structure for the development of novel HPPD inhibitors, which provided an idea for the design of new herbicides with unique molecular scaffold.
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Affiliation(s)
- Shuai-Tao Hou
- College of Sciences, Nanjing Agricultural University, Nanjing, 210095, China
- Jiangsu Key Laboratory of Pesticide Science, Nanjing Agricultural University, Nanjing, 210095, China
| | - Ling Han
- College of Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Wen-Rui Li
- College of Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Guang-Yu Dai
- College of Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yu Liu
- College of Sciences, Nanjing Agricultural University, Nanjing, 210095, China
- Jiangsu Key Laboratory of Pesticide Science, Nanjing Agricultural University, Nanjing, 210095, China
| | - Ai-Min Lu
- College of Sciences, Nanjing Agricultural University, Nanjing, 210095, China
- Jiangsu Key Laboratory of Pesticide Science, Nanjing Agricultural University, Nanjing, 210095, China
| | - Chun-Long Yang
- College of Sciences, Nanjing Agricultural University, Nanjing, 210095, China.
- Jiangsu Key Laboratory of Pesticide Science, Nanjing Agricultural University, Nanjing, 210095, China.
| | - Min Chen
- College of Sciences, Nanjing Agricultural University, Nanjing, 210095, China.
- Jiangsu Key Laboratory of Pesticide Science, Nanjing Agricultural University, Nanjing, 210095, China.
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Liu K, Zhang J, Zhang G, Zhang L, Meng Z, Ma L, Zhang W, Xiong W, Zhu Y, Wang B, Zhang C. Deciphering Deoxynybomycin Biosynthesis Reveals Fe(II)/α-Ketoglutarate-Dependent Dioxygenase-Catalyzed Oxazoline Ring Formation and Decomposition. J Am Chem Soc 2023; 145:27886-27899. [PMID: 38055632 DOI: 10.1021/jacs.3c11772] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
The antibacterial agents deoxynybomycin (DNM) and nybomycin (NM) have a unique tetracyclic structure featuring an angularly fused 4-oxazoline ring. Here, we report the identification of key enzymes responsible for forming the 4-oxazoline ring in Embleya hyalina NBRC 13850 by comparative bioinformatics analysis of the biosynthetic gene clusters encoding structurally similar natural products DNM, deoxynyboquinone (DNQ), and diazaquinomycins (DAQs). The N-methyltransferase DnmS plays a crucial role in catalyzing the N-dimethylation of a tricyclic precursor prenybomycin to generate NM D; subsequently, the Fe(II)/α-ketoglutarate-dependent dioxygenase (Fe/αKGD) DnmT catalyzes the formation of a 4-oxazoline ring from NM D to produce DNM; finally, a second Fe/αKGD DnmU catalyzes the C-12 hydroxylation of DNM to yield NM. Strikingly, DnmT is shown to display unexpected functions to also catalyze the decomposition of the 4-oxazoline ring and the N-demethylation, thereby converting DNM back to prenybomycin, to putatively serve as a manner to control the intracellular yield of DNM. Structure modeling, site-directed mutagenesis, and quantum mechanics calculations provide mechanistic insights into the DnmT-catalyzed reactions. This work expands our understanding of the functional diversity of Fe/αKGDs in natural product biosynthesis.
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Affiliation(s)
- Kai Liu
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, China-Sri Lanka Joint Center for Education and Research, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China
| | - Jinyan Zhang
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Guangtao Zhang
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, China-Sri Lanka Joint Center for Education and Research, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China
| | - Liping Zhang
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, China-Sri Lanka Joint Center for Education and Research, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhen Meng
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, China-Sri Lanka Joint Center for Education and Research, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China
| | - Liang Ma
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, China-Sri Lanka Joint Center for Education and Research, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China
| | - Wenjun Zhang
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, China-Sri Lanka Joint Center for Education and Research, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Sanya Institute of Ocean Eco-Environmental Engineering, Yazhou Scientific Bay, Sanya 572000, China
| | - Weiliang Xiong
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, China-Sri Lanka Joint Center for Education and Research, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China
| | - Yiguang Zhu
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, China-Sri Lanka Joint Center for Education and Research, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Sanya Institute of Ocean Eco-Environmental Engineering, Yazhou Scientific Bay, Sanya 572000, China
| | - Binju Wang
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Changsheng Zhang
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, China-Sri Lanka Joint Center for Education and Research, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Sanya Institute of Ocean Eco-Environmental Engineering, Yazhou Scientific Bay, Sanya 572000, China
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Imrich R, Štofko J, Boča R, Rajnák C. Electronic structure and molecular properties of nitisinone and mesotrione in water. J Mol Model 2023; 29:370. [PMID: 37953387 PMCID: PMC10641058 DOI: 10.1007/s00894-023-05780-5] [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: 09/06/2023] [Accepted: 11/02/2023] [Indexed: 11/14/2023]
Abstract
CONTEXT Nitisinone is a medium-sized organic molecule that is used in treating hereditary tyrosinemia type 1 (HT-1). The structurally analogous mesotrione, however, is used as a pesticide/herbicide. What molecular properties are responsible for the similarity/dissimilarity of these molecules is investigated here. The solvent effect reduces the electron affinity to rather negative values and causes the negative electron affinity which manifests itself in a very high positive absolute reduction potential. METHODS B3LYP method was utilized for a geometry optimization of nitisinone and mesotrione in their neural and ionized (L0, L+, L-) forms of 6 structures. The calculations were conducted in water as a solvent using conductor-like polarizable continuum model (CPCM), nitisinone also in vacuo. The complete vibrational analysis at the true energy minimum allows evaluating the thermodynamic functions with focus to the zero-point energy and overall entropic term. The change of the Gibbs energy on reductions and/or oxidation facilitates evaluating the absolute reduction and absolute oxidation potentials. Also, DLPNO-CCSD(T) method that involves the major part of the correlation energy has been applied to nitisinone and mesotrione and their molecular ions.
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Affiliation(s)
- Richard Imrich
- Faculty of Health Sciences, University of Ss. Cyril and Methodius, 917 01, Trnava, Slovakia
| | - Juraj Štofko
- Faculty of Health Sciences, University of Ss. Cyril and Methodius, 917 01, Trnava, Slovakia
| | - Roman Boča
- Faculty of Health Sciences, University of Ss. Cyril and Methodius, 917 01, Trnava, Slovakia.
| | - Cyril Rajnák
- Faculty of Natural Sciences, University of Ss. Cyril and Methodius, 917 01, Trnava, Slovakia
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5
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Ye BW, Zhao LX, Wang ZW, Shi J, Leng XY, Gao S, Fu Y, Ye F. Design, Synthesis, and Bioactivity of Novel Ester-Substituted Cyclohexenone Derivatives as Safeners. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023. [PMID: 37017396 DOI: 10.1021/acs.jafc.2c07979] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Tembotrione, a 4-hydroxyphenylpyruvate dioxygenase (HPPD) inhibitor, has been widely used in many types of plants. Tembotrione has been reported for its likelihood of causing injury and plant death to certain corn hybrids. Safeners are co-applied with herbicides to protect certain crops without compromising weed control efficacy. Alternatively, herbicide safeners may effectively improve herbicide selectivity. To address tembotrione-induced Zea mays injury, a series of novel ester-substituted cyclohexenone derivatives were designed using the fragment splicing method. In total, 35 title compounds were synthesized via acylation reactions. All the compounds were characterized using infrared spectroscopy, 1H and 13C nuclear magnetic resonance spectroscopy, and high-resolution mass spectrometry. The configuration of compound II-15 was confirmed using single-crystal X-ray diffraction. The bioactivity assay proved that tembotrione phytotoxicity to maize could be reduced by most title compounds. In particular, compound II-14 exhibited the highest activity against tembotrione. The molecular structure comparisons as well as absorption, distribution, metabolism, excretion, and toxicity predictions demonstrated that compound II-14 exhibited pharmacokinetic properties similar to those of the commercial safener isoxadifen-ethyl. The molecular docking model indicated that compound II-14 could prevent tembotrione from reaching or acting with Z. mays HPPD (PDB: 1SP8). Molecular dynamics simulations showed that compound II-14 maintained satisfactory stability with Z. mays HPPD. This research revealed that ester-substituted cyclohexenone derivatives can be developed as potential candidates for discovering novel herbicide safeners in the future.
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Affiliation(s)
- Bo-Wen Ye
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Li-Xia Zhao
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Zi-Wei Wang
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Juan Shi
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Xin-Yu Leng
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Shuang Gao
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Ying Fu
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
| | - Fei Ye
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
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6
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Lin HY, Dong J, Dong J, Yang WC, Yang GF. Insights into 4-hydroxyphenylpyruvate dioxygenase-inhibitor interactions from comparative structural biology. Trends Biochem Sci 2023; 48:568-584. [PMID: 36959016 DOI: 10.1016/j.tibs.2023.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 02/09/2023] [Accepted: 02/24/2023] [Indexed: 03/25/2023]
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD) plays a key role in tyrosine metabolism and has been identified as a promising target for herbicide and drug discovery. The structures of HPPD complexed with different types of inhibitors have been determined previously. We summarize the structures of HPPD complexed with structurally diverse molecules, including inhibitors, natural products, substrates, and catalytic intermediates; from these structures, the detailed inhibitory mechanisms of different inhibitors were analyzed and compared, and the key structural factors determining the slow-binding behavior of inhibitors were identified. Further, we propose four subpockets that accommodate different inhibitor substructures. We believe that these analyses will facilitate in-depth understanding of the enzymatic reaction mechanism and enable the design of new inhibitors with higher potency and selectivity.
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Affiliation(s)
- Hong-Yan Lin
- National Key Laboratory of Green Pesticide, Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, Central China Normal University, Wuhan 430079, PR China
| | - Jin Dong
- National Key Laboratory of Green Pesticide, Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, Central China Normal University, Wuhan 430079, PR China
| | - Jiangqing Dong
- National Key Laboratory of Green Pesticide, Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, Central China Normal University, Wuhan 430079, PR China
| | - Wen-Chao Yang
- National Key Laboratory of Green Pesticide, Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, Central China Normal University, Wuhan 430079, PR China
| | - Guang-Fu Yang
- National Key Laboratory of Green Pesticide, Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, Central China Normal University, Wuhan 430079, PR China.
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Thiour-Mauprivez C, Dayan FE, Terol H, Devers M, Calvayrac C, Martin-Laurent F, Barthelmebs L. Assessing the effects of β-triketone herbicides on HPPD from environmental bacteria using a combination of in silico and microbiological approaches. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:9932-9944. [PMID: 36068455 DOI: 10.1007/s11356-022-22801-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 08/26/2022] [Indexed: 06/15/2023]
Abstract
4-hydroxyphenylpyruvate dioxygenase (HPPD) is the molecular target of β-triketone herbicides in plants. This enzyme, involved in the tyrosine pathway, is also present in a wide range of living organisms, including microorganisms. Previous studies, focusing on a few strains and using high herbicide concentrations, showed that β-triketones are able to inhibit microbial HPPD. Here, we measured the effect of agronomical doses of β-triketone herbicides on soil bacterial strains. The HPPD activity of six bacterial strains was tested with 1× or 10× the recommended field dose of the herbicide sulcotrione. The selected strains were tested with 0.01× to 15× the recommended field dose of sulcotrione, mesotrione, and tembotrione. Molecular docking was also used to measure and model the binding mode of the three herbicides with the different bacterial HPPD. Our results show that responses to herbicides are strain-dependent with Pseudomonas fluorescens F113 HPPD activity not inhibited by any of the herbicide tested, when all three β-triketone herbicides inhibited HPPD in Bacillus cereus ATCC14579 and Shewanella oneidensis MR-1. These responses are also molecule-dependent with tembotrione harboring the strongest inhibitory effect. Molecular docking also reveals different binding potentials. This is the first time that the inhibitory effect of β-triketone herbicides is tested on environmental strains at agronomical doses, showing a potential effect of these molecules on the HPPD enzymatic activity of non-target microorganisms. The whole-cell assay developed in this study, coupled with molecular docking analysis, appears as an interesting way to have a first idea of the effect of herbicides on microbial communities, prior to setting up microcosm or even field experiments. This methodology could then largely be applied to other family of pesticides also targeting an enzyme present in microorganisms.
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Affiliation(s)
- Clémence Thiour-Mauprivez
- University Perpignan Via Domitia, Biocapteurs-Analyses-Environnement, 66860 Perpignan, France; Laboratoire de Biodiversité et Biotechnologies Microbiennes, USR 3579 Sorbonne Universités (UPMC) Paris 6 et CNRS Observatoire Océanologique, 66650, Banyuls-sur-Mer, France
- Agroécologie, INRAE, Institut Agro, Unv. Bourgogne, University Bourgogne Franche-Comté, F-21000, Dijon, France
| | - Franck Emmanuel Dayan
- Agricultural Biology Department, Colorado State University, Fort Collins, CO, 80523, USA
| | - Hugo Terol
- University Perpignan Via Domitia, Biocapteurs-Analyses-Environnement, 66860 Perpignan, France; Laboratoire de Biodiversité et Biotechnologies Microbiennes, USR 3579 Sorbonne Universités (UPMC) Paris 6 et CNRS Observatoire Océanologique, 66650, Banyuls-sur-Mer, France
| | - Marion Devers
- Agroécologie, INRAE, Institut Agro, Unv. Bourgogne, University Bourgogne Franche-Comté, F-21000, Dijon, France
| | - Christophe Calvayrac
- University Perpignan Via Domitia, Biocapteurs-Analyses-Environnement, 66860 Perpignan, France; Laboratoire de Biodiversité et Biotechnologies Microbiennes, USR 3579 Sorbonne Universités (UPMC) Paris 6 et CNRS Observatoire Océanologique, 66650, Banyuls-sur-Mer, France
| | - Fabrice Martin-Laurent
- Agroécologie, INRAE, Institut Agro, Unv. Bourgogne, University Bourgogne Franche-Comté, F-21000, Dijon, France
| | - Lise Barthelmebs
- University Perpignan Via Domitia, Biocapteurs-Analyses-Environnement, 66860 Perpignan, France; Laboratoire de Biodiversité et Biotechnologies Microbiennes, USR 3579 Sorbonne Universités (UPMC) Paris 6 et CNRS Observatoire Océanologique, 66650, Banyuls-sur-Mer, France.
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Nagamatsu A, Ueda K, Tamai R, Tani S, Yamamoto S. Development of a rice herbicide, fenquinotrione. JOURNAL OF PESTICIDE SCIENCE 2022; 47:139-145. [PMID: 36479456 PMCID: PMC9706282 DOI: 10.1584/jpestics.j22-02] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 06/24/2022] [Indexed: 06/17/2023]
Abstract
Fenquinotrione is a novel rice herbicide that was discovered and developed by Kumiai Chemical Industry Co., Ltd. It can control a wide range of broadleaf and sedge weeds with excellent rice selectivity at 30 g a.i./10 a and is as effective as the wild type on acetolactate synthase inhibitor-resistant weeds. Our metabolic and molecular biological studies showed that CYP81A6-mediated demethylation and subsequent glucose conjugation are responsible for the safety of fenquinotrione in rice. Fenquinotrione was registered in Japan in 2018, and various products containing fenquinotrione have been launched. With its high efficacy and excellent rice selectivity, we believe that fenquinotrione will contribute to efficient food production in the future.
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Affiliation(s)
| | - Ken Ueda
- Kumiai Chemical Industry Co., Ltd
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9
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Governa P, Bernardini G, Braconi D, Manetti F, Santucci A, Petricci E. Survey on the Recent Advances in 4-Hydroxyphenylpyruvate Dioxygenase (HPPD) Inhibition by Diketone and Triketone Derivatives and Congeneric Compounds: Structural Analysis of HPPD/Inhibitor Complexes and Structure-Activity Relationship Considerations. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:6963-6981. [PMID: 35652597 DOI: 10.1021/acs.jafc.2c02010] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The serendipitous discovery of the HPPD inhibitors from allelopathic plants opened the way for searching new and effective herbicidal agents by application of classical hit-to-lead optimization approaches. A plethora of active and selective compounds were discovered that belong to three major classes of cyclohexane-based triketones, pyrazole-based diketones, and diketonitriles. In addition, to enhance inhibitory constant and herbicidal activity, many efforts were also made to gain broader weed control, crop safety, and eventual agricultural applicability. Moreover, HPPD inhibitors emerged as therapeutic agents for inherited and metabolic human diseases as well as vector-selective insecticides in the control of hematophagous arthropods. Given the large set of experimental data available, structure-activity relationship analysis could be used to derive suggestions for next generation optimized compounds.
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Affiliation(s)
- Paolo Governa
- Department of Biotechnology, Chemistry and Pharmacy - Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Giulia Bernardini
- Department of Biotechnology, Chemistry and Pharmacy - Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Daniela Braconi
- Department of Biotechnology, Chemistry and Pharmacy - Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Fabrizio Manetti
- Department of Biotechnology, Chemistry and Pharmacy - Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Annalisa Santucci
- Department of Biotechnology, Chemistry and Pharmacy - Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
| | - Elena Petricci
- Department of Biotechnology, Chemistry and Pharmacy - Department of Excellence 2018-2022, University of Siena, via Aldo Moro 2, I-53100 Siena, Italy
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10
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Gong X, Zhao G, Shan W, Guo H, Wang C, Liu Q, Xu B, Wang Y, Guo X. Identification and antioxidant capacity of 4-hydroxyphenylpyruvate dioxygenase (HPPD), a new favored herbicide target, in Apis cerana cerana. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2022; 184:105110. [PMID: 35715049 DOI: 10.1016/j.pestbp.2022.105110] [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: 01/20/2022] [Revised: 03/23/2022] [Accepted: 04/21/2022] [Indexed: 06/15/2023]
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD), a nonheme oxygenase, catalyzes the second step of the tyrosine catabolic pathway, which is shared by almost all aerobic life forms. This demonstrates its importance in aerobic biology. We isolated an HPPD homolog from Apis cerana cerana and named it AccHPPD. AccHPPD has an open reading frame (ORF) length of 900 bp and encodes a 299 amino acid protein that has a predicted molecular weight of 34.67 kDa and an isoelectric point of 6.27. Amino acid analysis showed that AccHPPD contained three conserved metal ion active sites, H-101, H-184 and E-267. Real-time fluorescence quantitative PCR (RT-qPCR) analysis showed that AccHPPD mainly existed in specific tissue sites, mainly high in the legs and in the thorax and epidermis, and in specific developmental stages, mainly adults. Under temperature, pesticide, heavy metal and ultraviolet (UV) radiation treatments, the expression level was downregulated, but under H2O2 treatment, the expression level was upregulated. Exogenous expression of the recombinant AccHPPD plasmid in E. coli enhanced the resistance to HgCl2 and H2O2. Inhibition of AccHPPD activity was demonstrated by the upregulation of the tyrosine content after feeding with the inhibitor 2-(2-nitro-4-trifluoromethyl benzoyl)-1,3-cyclohexanedione (NTBC). After silencing of AccHPPD, the activities of peroxidase (POD), superoxide dismutase (SOD), and catalase (CAT) decreased, and the expression levels of AccBax- and AccCaspase8-related genes were upregulated. The antioxidant genes AccCAT, AccGSTZ1, AccGSTD, AccSOD2, AccTpx3, AccCYP4G11, AccGDTS4, AccGSTO2 and AccMSRA were all upregulated. These results suggest that AccHPPD may serve an integral function in the response of A. cerana cerana to oxidative stress.
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Affiliation(s)
- Xiangwei Gong
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong 271018, PR China
| | - Guangdong Zhao
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong 271018, PR China
| | - Wenlu Shan
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong 271018, PR China
| | - Huijuan Guo
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong 271018, PR China
| | - Chen Wang
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong 271018, PR China
| | - Qingxin Liu
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong 271018, PR China
| | - Baohua Xu
- College of Animal Science and Technology, Shandong Agricultural University, Taian, Shandong 271018, PR China
| | - Ying Wang
- College of Animal Science and Technology, Shandong Agricultural University, Taian, Shandong 271018, PR China.
| | - Xingqi Guo
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, Shandong 271018, PR China.
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Lin HY, Chen X, Dong J, Yang JF, Xiao H, Ye Y, Li LH, Zhan CG, Yang WC, Yang GF. Rational Redesign of Enzyme via the Combination of Quantum Mechanics/Molecular Mechanics, Molecular Dynamics, and Structural Biology Study. J Am Chem Soc 2021; 143:15674-15687. [PMID: 34542283 DOI: 10.1021/jacs.1c06227] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Increasing demands for efficient and versatile chemical reactions have prompted innovations in enzyme engineering. A major challenge in engineering α-ketoglutarate-dependent oxygenases is to develop a rational strategy which can be widely used for directly evolving the desired mutant to generate new products. Herein, we report a strategy for rational redesign of a model enzyme, 4-hydroxyphenylpyruvate dioxygenase (HPPD), based on quantum mechanics/molecular mechanics (QM/MM) calculation and molecular dynamic simulations. This strategy enriched our understanding of the HPPD catalytic reaction pathway and led to the discovery of a series of HPPD mutants producing hydroxyphenylacetate (HPA) as the alternative product other than the native product homogentisate. The predicted HPPD-Fe(IV)═O-HPA intermediate was further confirmed by the crystal structure of Arabidopsis thaliana HPPD/S267W complexed with HPA. These findings not only provide a good understanding of the structure-function relationship of HPPD but also demonstrate a generally applicable platform for the development of biocatalysts.
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Affiliation(s)
- Hong-Yan Lin
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Xi Chen
- College of Chemistry and Material Science, South-Central University for Nationalities, Wuhan 430074, P.R. China
| | - Jin Dong
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Jing-Fang Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Han Xiao
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Ying Ye
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Lin-Hui Li
- College of Chemistry and Material Science, South-Central University for Nationalities, Wuhan 430074, P.R. China
| | - Chang-Guo Zhan
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, 789 South Limestone Street, Lexington, Kentucky 40536, United States
| | - Wen-Chao Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
| | - Guang-Fu Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P.R. China
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A poplar short-chain dehydrogenase reductase plays a potential key role in biphenyl detoxification. Proc Natl Acad Sci U S A 2021; 118:2103378118. [PMID: 34446553 PMCID: PMC8536390 DOI: 10.1073/pnas.2103378118] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Persistent organic pollutants (POPs), including polychlorinated biphenyls, represent a major environmental threat. Besides affecting human health, they negatively affect food security, pest and disease spread, carbon sequestration, biodiversity, and the resilience of ecosystems. Plant-based remediation offers important advantages over conventional remediation. However, limited knowledge of POP metabolism in planta can delay the application of molecular tools to genetically improve cleanup efficiency. By integrating functional and structural studies, we define here a plant-specific pathway which is activated by and possibly contributes to detoxifying biphenyl-derived toxicants. This pathway exhibits common features with bacterial biphenyl/PCB degradation but also significant differences. Our results open avenues to improve the success of phytoremediation technologies. Polychlorinated biphenyls (PCBs) are persistent organic pollutants with severe effects on human health and the biosphere. Plant-based remediation offers many benefits over conventional PCB remediation, but its development has been hampered by our poor understanding of biphenyl metabolism in eukaryotes, among other factors. We report here a major PCB-responsive protein in poplar, a plant model system capable of PCB uptake and translocation. We provide structural and functional evidence that this uncharacterized protein, termed SDR57C, belongs to the heterogeneous short-chain dehydrogenase reductase (SDR) superfamily. Despite sequence divergence, structural modeling hinted at structural and functional similarities between SDR57C and BphB, a central component of the Bph pathway for biphenyl/PCB degradation in aerobic bacteria. By combining gas chromatography/mass spectrometry (GC/MS) profiling with a functional complementation scheme, we found that poplar SDR57C can replace BphB activity in the upper Bph pathway of Pseudomonas furukawaii KF707 and therefore catalyze the oxidation of 2,3-dihydro-2,3-dihydroxybiphenyl (2,3-DHDB) to 2,3-dihydroxybiphenyl (2,3-DHB). Consistent with this biochemical activity, we propose a mechanism of action based on prior quantum studies, general properties of SDR enzymes, and the modeled docking of 2,3-DHDB to the SDR57C-NAD+ complex. The putative detoxifying capacity of SDR57C was substantiated through reverse genetics in Arabidopsis thaliana. Phenotypic characterization of the SDR lines underscored an inducible plant pathway with the potential to catabolize toxic biphenyl derivatives. Partial similarities with aerobic bacterial degradation notwithstanding, real-time messenger RNA quantification indicates the occurrence of plant-specific enzymes and features. Our results may help explain differences in degradative abilities among plant genotypes and also provide elements to improve them.
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Yamamoto S, Tanetani Y, Uchiyama C, Nagamatsu A, Kobayashi M, Ikeda M, Kawai K. Mechanism of action and selectivity of a novel herbicide, fenquinotrione. JOURNAL OF PESTICIDE SCIENCE 2021; 46:249-257. [PMID: 34566458 PMCID: PMC8422254 DOI: 10.1584/jpestics.d21-019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 06/09/2021] [Indexed: 05/31/2023]
Abstract
Fenquinotrione is a novel herbicide that can control a wide range of broadleaf and sedge weeds with excellent rice selectivity. We revealed that fenquinotrione potently inhibited the 4-hydroxyphenylpyruvate dioxygenase (HPPD) activity in Arabidopsis thaliana with an IC50 of 44.7 nM. The docking study suggested that the 1,3-diketone moiety of fenquinotrione formed a bidentate interaction with Fe(II) at the active site. Furthermore, π-π stacking interactions occurred between the oxoquinoxaline ring and the conserved Phe409 and Phe452 rings, indicating that fenquinotrione competes with the substrate, similar to existing HPPD inhibitors. A more than 16-fold difference in the herbicidal activity of fenquinotrione in rice and the sedge, Schoenoplectus juncoides, was observed. However, fenquinotrione showed high inhibitory activity against rice HPPD. Comparative metabolism study suggested that the potent demethylating metabolism followed by glucose conjugation in rice was responsible for the selectivity of fenquinotrione.
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Affiliation(s)
- Shunsuke Yamamoto
- Life Science Research Institute, Kumiai Chemical Industry Co., Ltd., 276 Tamari, Kakegawa, Shizuoka 436–0011, Japan
| | - Yoshitaka Tanetani
- Life Science Research Institute, Kumiai Chemical Industry Co., Ltd., 276 Tamari, Kakegawa, Shizuoka 436–0011, Japan
| | - Chihiro Uchiyama
- Life Science Research Institute, Kumiai Chemical Industry Co., Ltd., 276 Tamari, Kakegawa, Shizuoka 436–0011, Japan
| | - Atsushi Nagamatsu
- Life Science Research Institute, Kumiai Chemical Industry Co., Ltd., 276 Tamari, Kakegawa, Shizuoka 436–0011, Japan
| | - Masami Kobayashi
- Life Science Research Institute, Kumiai Chemical Industry Co., Ltd., 276 Tamari, Kakegawa, Shizuoka 436–0011, Japan
| | - Mitsumasa Ikeda
- Life Science Research Institute, Kumiai Chemical Industry Co., Ltd., 276 Tamari, Kakegawa, Shizuoka 436–0011, Japan
| | - Kiyoshi Kawai
- Life Science Research Institute, Kumiai Chemical Industry Co., Ltd., 276 Tamari, Kakegawa, Shizuoka 436–0011, Japan
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Functional role of residues involved in substrate binding of human 4-hydroxyphenylpyruvate dioxygenase. Biochem J 2021; 478:2201-2215. [PMID: 34047349 DOI: 10.1042/bcj20210005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 05/25/2021] [Accepted: 05/27/2021] [Indexed: 11/17/2022]
Abstract
4-Hydroxylphenylpyruvate dioxygenase (HPPD) catalyzes the conversion of 4-hydroxylphenylpyruvate (HPP) to homogentisate, the important step for tyrosine catabolism. Comparison of the structure of human HPPD with the substrate-bound structure of A. thaliana HPPD revealed notably different orientations of the C-terminal helix. This helix performed as a closed conformation in human enzyme. Simulation revealed a different substrate-binding mode in which the carboxyl group of HPP interacted by a H-bond network formed by Gln334, Glu349 (the metal-binding ligand), and Asn363 (in the C-terminal helix). The 4-hydroxyl group of HPP interacted with Gln251 and Gln265. The relative activity and substrate-binding affinity were preserved for the Q334A mutant, implying the alternative role of Asn363 for HPP binding and catalysis. The reduction in kcat/Km of the Asn363 mutants confirmed the critical role in catalysis. Compared to the N363A mutant, the dramatic reduction in the Kd and thermal stability of the N363D mutant implies the side-chain effect in the hinge region rotation of the C-terminal helix. The activity and binding affinity were not recovered by double mutation; however, the 4-hydroxyphenylacetate intermediate formation by the uncoupled reaction of Q334N/N363Q and Q334A/N363D mutants indicated the importance of the H-bond network in the electrophilic reaction. These results highlight the functional role of the H-bond network in a closed conformation of the C-terminal helix to stabilize the bound substrate. The extremely low activity and reduction in Q251E's Kd suggest that interaction coupled with the H-bond network is crucial to locate the substrate for nucleophilic reaction.
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Wang X, Lin H, Liu J, Zhao X, Chen X, Yang W, Yang G, Zhan CG. The structure of 4-hydroxylphenylpyruvate dioxygenase complexed with 4-hydroxylphenylpyruvic acid reveals an unexpected inhibition mechanism. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.02.041] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Wang ZW, Zhao LX, Ma P, Ye T, Fu Y, Ye F. Fragments recombination, design, synthesis, safener activity and CoMFA model of novel substituted dichloroacetylphenyl sulfonamide derivatives. PEST MANAGEMENT SCIENCE 2021; 77:1724-1738. [PMID: 33236407 DOI: 10.1002/ps.6193] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 11/12/2020] [Accepted: 11/25/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Isoxaflutole (IXF), as a kind of 4-hydroxyphenylpyruvate dioxygenase (HPPD) inhibitor, has been widely used in many kinds of plants. IXF can cause injury in corn including leaf and stem bleaching, plant height reduction or stunting, and reduced crop stand. Safeners are co-applied with herbicides to protect crops without compromising weed control efficacy. With the ultimate goal of addressing Zea mays injury caused by IXF, a series of novel substituted dichloroacetylphenyl sulfonamide derivatives was designed on the basis of scaffold hopping and active substructure splicing. RESULTS A total of 35 compounds were synthesized via acylation reactions. All the compounds were characterized by infrared (IR), proton and carbon-13 nuclear magnetic resonance (1 H-NMR and 13 C-NMR), and high-resolution mass spectrometry (HRMS). The configuration of compound II-1 was confirmed by single crystal X-ray diffraction. The bioassay results showed that all the title compounds displayed remarkable protection against IXF via improved content of carotenoid. Especially compound II-1 which possessed better glutathione transferases (GSTs) activity and carotenoid content than the contrast safener cyprosulfamide (CSA). All the satisfied parameters suggested that the Comparative Molecular Field Analysis (CoMFA) model was reliable and stable [with a cross-validated coefficient (q2 ) = 0.527, r2 = 0.995, r2 pred = 0.931]. The molecular docking simulation indicated that the compound II-1 and CSA could compete with diketonitrile (DKN) at the active site of HPPD, which is a hydrolyzed product of IXF in plants, causing the herbicide to be ineffective. CONCLUSIONS The present work revealed that the compound II-1 deserves further attention as the candidate structure of safeners. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Zi-Wei Wang
- Department of Applied Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin, China
| | - Li-Xia Zhao
- Department of Applied Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin, China
| | - Peng Ma
- Department of Applied Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin, China
| | - Tong Ye
- Department of Applied Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin, China
| | - Ying Fu
- Department of Applied Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin, China
| | - Fei Ye
- Department of Applied Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin, China
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Liu B, Wang H, Zhang K, Zhu J, He Q, He J. Improved Herbicide Resistance of 4-Hydroxyphenylpyruvate Dioxygenase from Sphingobium sp. TPM-19 through Directed Evolution. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:12365-12374. [PMID: 33105985 DOI: 10.1021/acs.jafc.0c05785] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD) has attracted extensive interest as a promising target for the genetic engineering of herbicide-resistant crops. However, naturally occurring HPPDs are generally very sensitive to HPPD inhibitors. In this study, random mutagenesis was performed to increase the HPPD inhibitors' resistance of Sphingobium sp. HPPD (SpHPPD). Two mutants, Q258M and Y333F, with improved resistance were obtained. Subsequently, a double-mutant (Q258M/Y333F) was generated through combined mutation. Q258M/Y333F exhibited the highest resistance to four HPPD inhibitors [topramezone, mesotrione, tembotrione, and diketonitrile (DKN)]. The enzyme fitness of Q258M/Y333F to topramezone, mesotrione, tembotrione, and DKN was increased by 4.0-, 4.1-, 4.2-, and 3.2-folds, respectively, in comparison with that of the wild-type. Molecular modeling and docking revealed that Q258M mutation leads to the decrease of enzyme-inhibitor-binding strength by breaking the hydrogen bond between the enzyme and the inhibitor, and Y333F mutation changes the conformational balance of the C-terminal helix H11, which hinders the binding of the inhibitor to the enzyme and thus would contribute to improved herbicide resistance. This study helps to further elucidate the structural basis for herbicide resistance and provides better genetic resources for the genetic engineering of herbicide-resistant crops.
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Affiliation(s)
- Bin Liu
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095 Jiangsu, P. R. China
| | - Haiyan Wang
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095 Jiangsu, P. R. China
| | - Kaiyun Zhang
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095 Jiangsu, P. R. China
| | - Jianchun Zhu
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095 Jiangsu, P. R. China
| | - Qin He
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095 Jiangsu, P. R. China
| | - Jian He
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095 Jiangsu, P. R. China
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Sheng M, Liu B, Xu J, Peng Q, Zhang L, Chen K, He J. Cloning of a novel topramezone-resistant 4-hydroxyphenylpyruvate dioxygenase gene and improvement of its resistance through pressure acclimation. Enzyme Microb Technol 2020; 140:109642. [DOI: 10.1016/j.enzmictec.2020.109642] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 07/07/2020] [Accepted: 08/04/2020] [Indexed: 10/23/2022]
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Li X, Yang X, Zheng X, Bai M, Hu D. Review on Structures of Pesticide Targets. Int J Mol Sci 2020; 21:E7144. [PMID: 32998191 PMCID: PMC7582455 DOI: 10.3390/ijms21197144] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/23/2020] [Accepted: 09/25/2020] [Indexed: 12/12/2022] Open
Abstract
Molecular targets play important roles in agrochemical discovery. Numerous pesticides target the key proteins in pathogens, insect, or plants. Investigating ligand-binding pockets and/or active sites in the proteins' structures is usually the first step in designing new green pesticides. Thus, molecular target structures are extremely important for the discovery and development of such pesticides. In this manuscript, we present a review of the molecular target structures, including those of antiviral, fungicidal, bactericidal, insecticidal, herbicidal, and plant growth-regulator targets, currently used in agrochemical research. The data will be helpful in pesticide design and the discovery of new green pesticides.
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Affiliation(s)
- Xiangyang Li
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China;
| | - Xueqing Yang
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, China;
| | - Xiaodong Zheng
- College of Horticulture, Qingdao Agricultural University, Qingdao 266109, China;
| | - Miao Bai
- College of Horticulture, Hunan Agricultural University, Changsha 410128, China;
| | - Deyu Hu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China;
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Based on the Virtual Screening of Multiple Pharmacophores, Docking and Molecular Dynamics Simulation Approaches toward the Discovery of Novel HPPD Inhibitors. Int J Mol Sci 2020; 21:ijms21155546. [PMID: 32756361 PMCID: PMC7432800 DOI: 10.3390/ijms21155546] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Accepted: 07/31/2020] [Indexed: 12/31/2022] Open
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD) is an iron-dependent non-heme oxygenase involved in the catabolic pathway of tyrosine, which is an important enzyme in the transformation of 4-hydroxyphenylpyruvic acid to homogentisic acid, and thus being considered as herbicide target. Within this study, a set of multiple structure-based pharmacophore models for HPPD inhibitors were developed. The ZINC and natural product database were virtually screened, and 29 compounds were obtained. The binding mode of HPPD and its inhibitors obtained through molecular docking study showed that the residues of Phe424, Phe381, His308, His226, Gln307 and Glu394 were crucial for activity. Molecular-mechanics-generalized born surface area (MM/GBSA) results showed that the coulomb force, lipophilic and van der Waals (vdW) interactions made major contributions to the binding affinity. These efforts will greatly contribute to design novel and effective HPPD inhibitory herbicides.
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He B, Wu FX, Yu LK, Wu L, Chen Q, Hao GF, Yang WC, Lin HY, Yang GF. Discovery of Novel Pyrazole-Quinazoline-2,4-dione Hybrids as 4-Hydroxyphenylpyruvate Dioxygenase Inhibitors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:5059-5067. [PMID: 32286826 DOI: 10.1021/acs.jafc.0c00051] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD, EC 1.13.11.27) has been identified as one of the most significant targets in herbicide discovery for resistant weed control. In a continuing effort to discover potent novel HPPD inhibitors, we adopted a ring-expansion strategy to design a series of novel pyrazole-quinazoline-2,4-dione hybrids based on the previously discovered pyrazole-isoindoline-1,3-dione scaffold. One compound, 3-(2-chlorophenyl)-6-(5-hydroxy-1,3-dimethyl-1H-pyrazole-4-carbonyl)-1,5-dimethylquinazoline-2,4(1H,3H)-dione (9bj), displayed excellent potency against AtHPPD, with an IC50 value of 84 nM, which is approximately 16-fold more potent than pyrasulfotole (IC50 = 1359 nM) and 2.7-fold more potent than mesotrione (IC50 = 226 nM). Furthermore, the co-crystal structure of the AtHPPD-9bj complex (PDB ID 6LGT) was determined at a resolution of 1.75 Å. Similar to the existing HPPD inhibitors, compound 9bj formed a bidentate chelating interaction with the metal ion and a π-π stacking interaction with Phe381 and Phe424. In contrast, o-chlorophenyl at the N3 position of quinazoline-2,4-dione with a double conformation was surrounded by hydrophobic residues (Met335, Leu368, Leu427, Phe424, Phe392, and Phe381). Remarkably, the greenhouse assay indicated that most compounds displayed excellent herbicidal activity (complete inhibition) against at least one of the tested weeds at the application rate of 150 g of active ingredient (ai)/ha. Most promisingly, compounds 9aj and 9bi not only exhibited prominent weed control effects with a broad spectrum but also showed very good crop safety to cotton, peanuts, and corn at the dose of 150 g of ai/ha.
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Affiliation(s)
- Bo He
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan, Hubei 430079, People's Republic of China
| | - Feng-Xu Wu
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan, Hubei 430079, People's Republic of China
| | - Liang-Kun Yu
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan, Hubei 430079, People's Republic of China
| | - Lei Wu
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan, Hubei 430079, People's Republic of China
| | - Qiong Chen
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan, Hubei 430079, People's Republic of China
| | - Ge-Fei Hao
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan, Hubei 430079, People's Republic of China
| | - Wen-Chao Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan, Hubei 430079, People's Republic of China
| | - Hong-Yan Lin
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan, Hubei 430079, People's Republic of China
| | - Guang-Fu Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan, Hubei 430079, People's Republic of China
- Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, Tianjin 300071, People's Republic of China
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22
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Feng AN, Huang CW, Lin CH, Chang YL, Ni MY, Lee HJ. Role of the N-terminus in human 4-hydroxyphenylpyruvate dioxygenase activity. J Biochem 2020; 167:315-322. [PMID: 31722428 DOI: 10.1093/jb/mvz092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 10/22/2019] [Indexed: 11/14/2022] Open
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD) is a key enzyme in tyrosine catabolism, catalysing the oxidation of 4-hydroxyphenylpyruvate to homogentisate. Genetic deficiency of this enzyme causes type III tyrosinaemia. The enzyme comprises two barrel-shaped domains formed by the N- and C-termini, with the active site located in the C-terminus. This study investigated the role of the N-terminus, located at the domain interface, in HPPD activity. We observed that the kcat/Km decreased ∼8-fold compared with wild type upon removal of the 12 N-terminal residues (ΔR13). Interestingly, the wild-type level of activity was retained in a mutant missing the 17 N-terminal residues, with a kcat/Km 11-fold higher than that of the ΔR13 mutant; however, the structural stability of this mutant was lower than that of wild type. A 2-fold decrease in catalytic efficiency was observed for the K10A and E12A mutants, indicating synergism between these residues in the enzyme catalytic function. A molecular dynamics simulation showed large RMS fluctuations in ΔR13 suggesting that conformational flexibility at the domain interface leads to lower activity in this mutant. These results demonstrate that the N-terminus maintains the stability of the domain interface to allow for catalysis at the active site of HPPD.
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Affiliation(s)
- An-Ning Feng
- Department of Cardiology, Cheng Hsin General Hospital, No. 45, Cheng Hsin St. Pai-Tou, Taipei 11220, Taiwan
| | - Chih-Wei Huang
- Department of Pharmacy Practice, Tri-Service General Hospital, No. 325, Sec. 2, Chenggong Rd., Neihu, Taipei 11490, Taiwan.,School of Pharmacy, National Defense Medical Center, No. 161, Sec. 6, Minchuan East Rd., Neihu, Taipei 11490, Taiwan
| | - Chi-Huei Lin
- Department of Biochemistry, National Defense Medical Center, No. 161, Sec. 6, Minchuan East Rd., Neihu, Taipei 11490, Taiwan
| | - Yung-Lung Chang
- Department of Biochemistry, National Defense Medical Center, No. 161, Sec. 6, Minchuan East Rd., Neihu, Taipei 11490, Taiwan
| | - Meng-Yuan Ni
- Department of Biochemistry, National Defense Medical Center, No. 161, Sec. 6, Minchuan East Rd., Neihu, Taipei 11490, Taiwan
| | - Hwei-Jen Lee
- Department of Biochemistry, National Defense Medical Center, No. 161, Sec. 6, Minchuan East Rd., Neihu, Taipei 11490, Taiwan
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23
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Liu B, Peng Q, Sheng M, Ni H, Xiao X, Tao Q, He Q, He J. Isolation and Characterization of a Topramezone-Resistant 4-Hydroxyphenylpyruvate Dioxygenase from Sphingobium sp. TPM-19. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:1022-1029. [PMID: 31884791 DOI: 10.1021/acs.jafc.9b06871] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Topramezone is a 4-hydroxyphenylpyruvate dioxygenase (HPPD) inhibitor. Due to its broad-spectrum, high efficiency, and low toxicity, topramezone is a candidate herbicide for the construction of genetically modified (GM) herbicide-resistant crops. In the present study, we screened a topramezone-resistant isolate Sphingobium sp. TPM-19 and cloned a topramezone-resistant HPPD gene (SphppD) from this isolate. SpHPPD shared the highest similarity (53%) with an HPPD from Vibrio vulnificus CMCP6. SpHPPD was synthesized in Escherichia coli BL21(DE3) and purified to homogeneity using Co2+-affinity chromatography. SpHPPD was found to be a monomer. The Km and kcat of SpHPPD for 4-hydroxyphenylpyruvate (4-HPP) were 82.8 μM and 15.0 s-1, respectively. SpHPPD showed high resistance to topramezone with half maximal inhibitory concentration (IC50) and Ki values of 5.2 and 2.5 μM, respectively. Additionally, SpHPPD also showed high resistance to isoxaflutole (DKN) (IC50: 8.7 μM; Ki: 6.0 μM) and mesotrione (IC50: 4.2 μM; Ki: 1.3 μM) and moderate resistance to tembotrione (IC50: 2.5 μM; Ki: 1.0 μM). The introduction of the SphppD gene into Arabidopsis thaliana enhanced obvious resistance against topramezone. In conclusion, this study provides a novel topramezone-resistant HPPD gene for the genetic engineering of GM herbicide-resistant crops.
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Affiliation(s)
- Bin Liu
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences , Nanjing Agricultural University , Nanjing 210095 , Jiangsu , P. R. China
| | - Qian Peng
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences , Nanjing Agricultural University , Nanjing 210095 , Jiangsu , P. R. China
| | - Mengyao Sheng
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences , Nanjing Agricultural University , Nanjing 210095 , Jiangsu , P. R. China
| | - Haiyan Ni
- College of Life Science , Jiangxi Normal University , Nanchang 330022 , Jiangxi , China
| | - Xiang Xiao
- DBN Biotech Center, Beijing DBN Technology Group Co., Ltd. , Beijing 100193 , P. R. China
| | - Qing Tao
- DBN Biotech Center, Beijing DBN Technology Group Co., Ltd. , Beijing 100193 , P. R. China
| | - Qin He
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences , Nanjing Agricultural University , Nanjing 210095 , Jiangsu , P. R. China
| | - Jian He
- Department of Microbiology, Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences , Nanjing Agricultural University , Nanjing 210095 , Jiangsu , P. R. China
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24
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Naegeli H, Bresson JL, Dalmay T, Dewhurst IC, Epstein MM, Firbank LG, Guerche P, Hejatko J, Moreno FJ, Mullins E, Nogué F, Rostoks N, Sánchez Serrano JJ, Savoini G, Veromann E, Veronesi F, Álvarez F, Ardizzone M, Dumont AF, Devos Y, Gennaro A, Gómez Ruiz JÁ, Lanzoni A, Neri FM, Paraskevopoulos K. Assessment of genetically modified soybean SYHT0H2 for food and feed uses, import and processing, under Regulation (EC) No 1829/2003 (application EFSA-GMO-DE-2012-111). EFSA J 2020; 18:e05946. [PMID: 32626498 PMCID: PMC7008876 DOI: 10.2903/j.efsa.2020.5946] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
The scope of application EFSA‐GMO‐DE‐2012‐111 is for food and feed uses, import and processing of genetically modified (GM) soybean SYHT0H2 in the European Union. Soybean SYHT0H2 was developed to confer tolerance to the herbicidal active substances mesotrione and other p‐hydroxyphenylpyruvate dioxygenase (HPPD)‐inhibiting herbicides and glufosinate ammonium. The molecular characterisation data and bioinformatic analyses do not identify issues except for sequence similarity of AvHPPD‐03 to bacterial haemolysins that was considered in food/feed safety assessment. The outcome of the comparative analysis (agronomic/phenotypic and compositional characteristics) did not need further assessment except for the changes in seed levels of α‐tocopherol and γ‐tocopherol that were assessed for food and feed relevance. The GMO Panel does not identify toxicological and allergenicity concerns for the AvHPPD‐03 and PAT proteins expressed in soybean SYHT0H2 and finds no evidence that the genetic modification would change the overall allergenicity of soybean SYHT0H2. The nutritional impact of food/feed from soybean SYHT0H2 is expected to be the same as that of food/feed from the conventional counterpart and commercial non‐GM soybean reference varieties. The GMO Panel concludes that soybean SYHT0H2 is as safe as and nutritionally equivalent to the conventional counterpart and the tested non‐GM soybean reference varieties, and no post‐market monitoring of food/feed is considered necessary. In the case of accidental release of viable soybean SYHT0H2 grains into the environment, soybean SYHT0H2 would not raise environmental safety concerns. The post‐market environmental monitoring plan and reporting intervals are in line with the intended uses of soybean SYHT0H2. In conclusion, the GMO Panel considers that soybean SYHT0H2, as described in this application, is as safe as its conventional counterpart and the tested non‐GM soybean reference varieties with respect to potential effects on human and animal health and the environment.
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25
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Thiour-Mauprivez C, Martin-Laurent F, Calvayrac C, Barthelmebs L. Effects of herbicide on non-target microorganisms: Towards a new class of biomarkers? THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 684:314-325. [PMID: 31153078 DOI: 10.1016/j.scitotenv.2019.05.230] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 05/02/2019] [Accepted: 05/16/2019] [Indexed: 05/19/2023]
Abstract
Conventional agriculture still relies on the general use of agrochemicals (herbicides, fungicides and insecticides) to control various pests (weeds, fungal pathogens and insects), to ensure the yield of crop and to feed a constantly growing population. The generalized use of pesticides in agriculture leads to the contamination of soil and other connected environmental resources. The persistence of pesticide residues in soil is identified as a major threat for in-soil living organisms that are supporting an important number of ecosystem services. Although authorities released pesticides on the market only after their careful and thorough evaluation, the risk assessment for in-soil living organisms is unsatisfactory, particularly for microorganisms for which pesticide toxicity is solely considered by one global test measuring N mineralization. Recently, European Food Safety Authority (EFSA) underlined the lack of standardized methods to assess pesticide ecotoxicological effects on soil microorganisms. Within this context, there is an obvious need to develop innovative microbial markers sensitive to pesticide exposure. Biomarkers that reveal direct effects of pesticides on microorganisms are often viewed as the panacea. Such biomarkers can only be developed for pesticides having a mode of action inhibiting a specific enzyme not only found in the targeted organisms but also in microorganisms which are considered as "non-target organisms" by current regulations. This review explores possible ways of innovation to develop such biomarkers for herbicides. We scanned the herbicide classification by considering the mode of action, the targeted enzyme and the ecotoxicological effects of each class of active substance in order to identify those that can be tracked using sensitive microbial markers.
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Affiliation(s)
- Clémence Thiour-Mauprivez
- Univ. Perpignan Via Domitia, Biocapteurs-Analyses-Environnement, 66860 Perpignan, France; Laboratoire de Biodiversité et Biotechnologies Microbiennes, USR 3579 Sorbonne Universités (UPMC) Paris 6 et CNRS Observatoire Océanologique, 66650 Banyuls-sur-Mer, France; AgroSup Dijon, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, F-21065 Dijon, France
| | - Fabrice Martin-Laurent
- AgroSup Dijon, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, F-21065 Dijon, France
| | - Christophe Calvayrac
- Univ. Perpignan Via Domitia, Biocapteurs-Analyses-Environnement, 66860 Perpignan, France; Laboratoire de Biodiversité et Biotechnologies Microbiennes, USR 3579 Sorbonne Universités (UPMC) Paris 6 et CNRS Observatoire Océanologique, 66650 Banyuls-sur-Mer, France
| | - Lise Barthelmebs
- Univ. Perpignan Via Domitia, Biocapteurs-Analyses-Environnement, 66860 Perpignan, France; Laboratoire de Biodiversité et Biotechnologies Microbiennes, USR 3579 Sorbonne Universités (UPMC) Paris 6 et CNRS Observatoire Océanologique, 66650 Banyuls-sur-Mer, France.
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26
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Lin HY, Chen X, Chen JN, Wang DW, Wu FX, Lin SY, Zhan CG, Wu JW, Yang WC, Yang GF. Crystal Structure of 4-Hydroxyphenylpyruvate Dioxygenase in Complex with Substrate Reveals a New Starting Point for Herbicide Discovery. RESEARCH 2019; 2019:2602414. [PMID: 31549053 PMCID: PMC6750108 DOI: 10.34133/2019/2602414] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Accepted: 06/10/2019] [Indexed: 01/09/2023]
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD) is a promising target for drug and pesticide discovery. The unknown binding mode of substrate is still a big challenge for the understanding of enzymatic reaction mechanism and novel HPPD inhibitor design. Herein, we determined the first crystal structure of Arabidopsis thaliana HPPD (AtHPPD) in complex with its natural substrate (HPPA) at a resolution of 2.80 Å. Then, combination of hybrid quantum mechanics/molecular mechanics (QM/MM) calculations confirmed that HPPA takes keto rather than enol form inside the HPPD active pocket. Subsequent site-directed mutagenesis and kinetic analysis further showed that residues (Phe424, Asn423, Glu394, Gln307, Asn282, and Ser267) played important roles in substrate binding and catalytic cycle. Structural comparison between HPPA-AtHPPD and holo-AtHPPD revealed that Gln293 underwent a remarkable rotation upon the HPPA binding and formed H-bond network of Ser267-Asn282-Gln307-Gln293, resulting in the transformation of HPPD from an inactive state to active state. Finally, taking the conformation change of Gln293 as a target, we proposed a new strategy of blocking the transformation of HPPD from inactive state to active state to design a novel inhibitor with Ki value of 24.10 nM towards AtHPPD. The inhibitor has entered into industry development as the first selective herbicide used for the weed control in sorghum field. The crystal structure of AtHPPD in complex with the inhibitor (2.40 Å) confirmed the rationality of the design strategy. We believe that the present work provides a new starting point for the understanding of enzymatic reaction mechanism and the design of next generation HPPD inhibitors.
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Affiliation(s)
- Hong-Yan Lin
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Chemical Biology Center, Central China Normal University, Wuhan 430079, China.,MOE Key Laboratory of Protein Sciences, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Xi Chen
- College of Chemistry and Material Science, South-Central University for Nationalities, Wuhan 430074, China
| | - Jia-Nan Chen
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Chemical Biology Center, Central China Normal University, Wuhan 430079, China
| | - Da-Wei Wang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Chemical Biology Center, Central China Normal University, Wuhan 430079, China
| | - Feng-Xu Wu
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Chemical Biology Center, Central China Normal University, Wuhan 430079, China
| | - Song-Yun Lin
- MOE Key Laboratory of Protein Sciences, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Chang-Guo Zhan
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, 789 South Limestone Street, Lexington, KY 40536, USA
| | - Jia-Wei Wu
- MOE Key Laboratory of Protein Sciences, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Wen-Chao Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Chemical Biology Center, Central China Normal University, Wuhan 430079, China
| | - Guang-Fu Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Chemical Biology Center, Central China Normal University, Wuhan 430079, China.,Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 30071, China
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27
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Schindler CEM, Hollenbach E, Mietzner T, Schleifer K, Zacharias M. Free energy calculations elucidate substrate binding, gating mechanism, and tolerance-promoting mutations in herbicide target 4-hydroxyphenylpyruvate dioxygenase. Protein Sci 2019; 28:1048-1058. [PMID: 30945368 PMCID: PMC6511742 DOI: 10.1002/pro.3612] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Accepted: 03/28/2019] [Indexed: 11/07/2022]
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD) catalyzes the second reaction in the tyrosine catabolism and is linked to the production of cofactors plastoquinone and tocopherol in plants. This important biological role has put HPPD in the focus of current herbicide design efforts including the development of herbicide-tolerant mutants. However, the molecular mechanisms of substrate binding and herbicide tolerance have yet to be elucidated. In this work, we performed molecular dynamics simulations and free energy calculations to characterize active site gating by the C-terminal helix H11 in HPPD. We compared gating equilibria in Arabidopsis thaliana (At) and Zea mays (Zm) wild-type proteins retrieving the experimentally observed preferred orientations from the simulations. We investigated the influence of substrate and product binding on the open-closed transition and discovered a ligand-mediated conformational switch in H11 that mediates rapid substrate access followed by active site closing and efficient product release through H11 opening. We further studied H11 gating in At mutant HPPD, and found large differences with correlation to experimentally measured herbicide tolerance. The computational findings were then used to design a new At mutant HPPD protein that showed increased tolerance to six commercially available HPPD inhibitors in biochemical in vitro experiments. Our results underline the importance of protein flexibility and conformational transitions in substrate recognition and enzyme inhibition by herbicides.
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Affiliation(s)
- Christina E. M. Schindler
- Physics Department T38Technical University of MunichGarchingGermany
- Center for Integrated Protein Science MunichMunichGermany
| | - Eva Hollenbach
- BASF SE, Global Research Crop ProtectionAgricultural Centre LimburgerhofLimburgerhofGermany
| | - Thomas Mietzner
- BASF SE, Global Research Crop Protection, Molecular ModelingLudwigshafenGermany
| | | | - Martin Zacharias
- Physics Department T38Technical University of MunichGarchingGermany
- Center for Integrated Protein Science MunichMunichGermany
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28
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Evaluation of the nutritional profile of sweet maize after herbicide and foliar fertilizer application. J Cereal Sci 2019. [DOI: 10.1016/j.jcs.2019.03.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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29
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Lin H, Yang J, Wang D, Hao G, Dong J, Wang Y, Yang W, Wu J, Zhan C, Yang G. Molecular insights into the mechanism of 4‐hydroxyphenylpyruvate dioxygenase inhibition: enzyme kinetics, X‐ray crystallography and computational simulations. FEBS J 2019; 286:975-990. [DOI: 10.1111/febs.14747] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 11/29/2018] [Accepted: 01/09/2019] [Indexed: 02/03/2023]
Affiliation(s)
- Hong‐Yan Lin
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education International Joint Research Center for Intelligent Biosensor Technology and Health Chemical Biology Center College of Chemistry Central China Normal University Wuhan China
| | - Jing‐Fang Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education International Joint Research Center for Intelligent Biosensor Technology and Health Chemical Biology Center College of Chemistry Central China Normal University Wuhan China
| | - Da‐Wei Wang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education International Joint Research Center for Intelligent Biosensor Technology and Health Chemical Biology Center College of Chemistry Central China Normal University Wuhan China
| | - Ge‐Fei Hao
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education International Joint Research Center for Intelligent Biosensor Technology and Health Chemical Biology Center College of Chemistry Central China Normal University Wuhan China
| | - Jiang‐Qing Dong
- MOE Key Laboratory of Protein Sciences Tsinghua‐Peking Center for Life Sciences School of Life Sciences Tsinghua University Beijing China
| | - Yu‐Xia Wang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education International Joint Research Center for Intelligent Biosensor Technology and Health Chemical Biology Center College of Chemistry Central China Normal University Wuhan China
| | - Wen‐Chao Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education International Joint Research Center for Intelligent Biosensor Technology and Health Chemical Biology Center College of Chemistry Central China Normal University Wuhan China
| | - Jia‐Wei Wu
- MOE Key Laboratory of Protein Sciences Tsinghua‐Peking Center for Life Sciences School of Life Sciences Tsinghua University Beijing China
| | - Chang‐Guo Zhan
- Department of Pharmaceutical Sciences College of Pharmacy University of Kentucky Lexington KY USA
| | - Guang‐Fu Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education International Joint Research Center for Intelligent Biosensor Technology and Health Chemical Biology Center College of Chemistry Central China Normal University Wuhan China
- Collaborative Innovation Center of Chemical Science and Engineering Tianjin China
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30
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Peng Y, Zhou Z, Zhang Z, Yu X, Zhang X, Du K. Molecular and physiological responses in roots of two full-sib poplars uncover mechanisms that contribute to differences in partial submergence tolerance. Sci Rep 2018; 8:12829. [PMID: 30150759 PMCID: PMC6110812 DOI: 10.1038/s41598-018-30821-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 07/31/2018] [Indexed: 11/22/2022] Open
Abstract
Poplar is a major afforestation tree species in flood-prone areas. Here, we compared molecular and physiological responses in the roots of two full-sib poplar clones, LS1 (flood-tolerant) and LS2 (flood-susceptive), subjected to stagnant flooding using transcript and metabolite profiling. LS1 displayed less phenotypic damage and superior leaf gas exchange and plant growth compared with those of LS2. We concluded that three characteristics might contribute to the differences in flood tolerance between LS1 and LS2. First, fermentation was initiated through lactic dehydrogenation in LS1 roots under flooding and subsequently dominated by alcohol fermentation. However, lactic dehydrogenase was persistently active in flooded LS2. Second, 13 differentially expressed genes associated with energy and O2 consumption processes under soil flooding had lower transcript levels in LS1 than those in LS2, which might contribute to better energy-/O2-saving abilities and behaviours in flood-tolerant LS1 than those in flood-susceptible LS2 under hypoxic stress. Third, LS1 possessed increased reactive oxygen species scavenging abilities compared with those of LS2 under edaphic flooding. Our data are a valuable contribution to understanding the mechanisms involved in the flood tolerance of poplar.
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Affiliation(s)
- YanJie Peng
- College of Horticulture and Forestry Sciences/Hubei Engineering Technology Research Center for Forestry Information, Huazhong Agricultural University, Wuhan, 430070, P. R. China
| | - ZhiXiang Zhou
- College of Horticulture and Forestry Sciences/Hubei Engineering Technology Research Center for Forestry Information, Huazhong Agricultural University, Wuhan, 430070, P. R. China
| | - Zhe Zhang
- College of Horticulture and Forestry Sciences/Hubei Engineering Technology Research Center for Forestry Information, Huazhong Agricultural University, Wuhan, 430070, P. R. China
| | - XiaoLi Yu
- College of Horticulture and Forestry Sciences/Hubei Engineering Technology Research Center for Forestry Information, Huazhong Agricultural University, Wuhan, 430070, P. R. China
| | - XinYe Zhang
- Hubei Academy of Forestry, Wuhan, 430075, P. R. China
| | - KeBing Du
- College of Horticulture and Forestry Sciences/Hubei Engineering Technology Research Center for Forestry Information, Huazhong Agricultural University, Wuhan, 430070, P. R. China.
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31
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Gao SS, Naowarojna N, Cheng R, Liu X, Liu P. Recent examples of α-ketoglutarate-dependent mononuclear non-haem iron enzymes in natural product biosyntheses. Nat Prod Rep 2018; 35:792-837. [PMID: 29932179 PMCID: PMC6093783 DOI: 10.1039/c7np00067g] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Covering: up to 2018 α-Ketoglutarate (αKG, also known as 2-oxoglutarate)-dependent mononuclear non-haem iron (αKG-NHFe) enzymes catalyze a wide range of biochemical reactions, including hydroxylation, ring fragmentation, C-C bond cleavage, epimerization, desaturation, endoperoxidation and heterocycle formation. These enzymes utilize iron(ii) as the metallo-cofactor and αKG as the co-substrate. Herein, we summarize several novel αKG-NHFe enzymes involved in natural product biosyntheses discovered in recent years, including halogenation reactions, amino acid modifications and tailoring reactions in the biosynthesis of terpenes, lipids, fatty acids and phosphonates. We also conducted a survey of the currently available structures of αKG-NHFe enzymes, in which αKG binds to the metallo-centre bidentately through either a proximal- or distal-type binding mode. Future structure-function and structure-reactivity relationship investigations will provide crucial information regarding how activities in this large class of enzymes have been fine-tuned in nature.
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Affiliation(s)
- Shu-Shan Gao
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | | | - Ronghai Cheng
- Department of Chemistry, Boston University, Boston, MA 02215, USA.
| | - Xueting Liu
- Department of Chemistry, Boston University, Boston, MA 02215, USA. and State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China.
| | - Pinghua Liu
- Department of Chemistry, Boston University, Boston, MA 02215, USA.
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32
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Snyder BER, Bols ML, Schoonheydt RA, Sels BF, Solomon EI. Iron and Copper Active Sites in Zeolites and Their Correlation to Metalloenzymes. Chem Rev 2017; 118:2718-2768. [DOI: 10.1021/acs.chemrev.7b00344] [Citation(s) in RCA: 193] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Benjamin E. R. Snyder
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Max L. Bols
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, KU Leuven—University of Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Robert A. Schoonheydt
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, KU Leuven—University of Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Bert F. Sels
- Department of Microbial and Molecular Systems, Centre for Surface Chemistry and Catalysis, KU Leuven—University of Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium
| | - Edward I. Solomon
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
- Photon Science, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
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33
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Ndikuryayo F, Moosavi B, Yang WC, Yang GF. 4-Hydroxyphenylpyruvate Dioxygenase Inhibitors: From Chemical Biology to Agrochemicals. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:8523-8537. [PMID: 28903556 DOI: 10.1021/acs.jafc.7b03851] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The development of new herbicides is receiving considerable attention to control weed biotypes resistant to current herbicides. Consequently, new enzymes are always desired as targets for herbicide discovery. 4-Hydroxyphenylpyruvate dioxygenase (HPPD, EC 1.13.11.27) is an enzyme engaged in photosynthetic activity and catalyzes the transformation of 4-hydroxyphenylpyruvic acid (HPPA) into homogentisic acid (HGA). HPPD inhibitors constitute a promising area of discovery and development of innovative herbicides with some advantages, including excellent crop selectivity, low application rates, and broad-spectrum weed control. HPPD inhibitors have been investigated for agrochemical interests, and some of them have already been commercialized as herbicides. In this review, we mainly focus on the chemical biology of HPPD, discovery of new potential inhibitors, and strategies for engineering transgenic crops resistant to current HPPD-inhibiting herbicides. The conclusion raises some relevant gaps for future research directions.
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Affiliation(s)
- Ferdinand Ndikuryayo
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University , Wuhan 430079, P. R. China
| | - Behrooz Moosavi
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University , Wuhan 430079, P. R. China
| | - Wen-Chao Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University , Wuhan 430079, P. R. China
| | - Guang-Fu Yang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University , Wuhan 430079, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering , Tianjin 30071, P. R. China
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Buchko GW, Echols N, Flynn EM, Ng HL, Stephenson S, Kim HB, Myler PJ, Terwilliger TC, Alber T, Kim CY. Structural and Biophysical Characterization of the Mycobacterium tuberculosis Protein Rv0577, a Protein Associated with Neutral Red Staining of Virulent Tuberculosis Strains and Homologue of the Streptomyces coelicolor Protein KbpA. Biochemistry 2017; 56:4015-4027. [PMID: 28692281 DOI: 10.1021/acs.biochem.7b00511] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Mycobacterium tuberculosis protein Rv0577 is a prominent antigen in tuberculosis patients, the component responsible for neutral red staining of virulent strains of M. tuberculosis, a putative component in a methylglyoxal detoxification pathway, and an agonist of toll-like receptor 2. It also has an amino acid sequence that is 36% identical to that of Streptomyces coelicolor AfsK-binding protein A (KbpA), a component in the complex secondary metabolite pathways in the Streptomyces genus. To gain insight into the biological function of Rv0577 and the family of KpbA kinase regulators, the crystal structure for Rv0577 was determined to a resolution of 1.75 Å, binding properties with neutral red and deoxyadenosine were surveyed, backbone dynamics were measured, and thermal stability was assayed by circular dichroism spectroscopy. The protein is composed of four approximate repeats with a βαβββ topology arranged radially in consecutive pairs to form two continuous eight-strand β-sheets capped on both ends with an α-helix. The two β-sheets intersect in the center at roughly a right angle and form two asymmetric deep "saddles" that may serve to bind ligands. Nuclear magnetic resonance chemical shift perturbation experiments show that neutral red and deoxyadenosine bind to Rv0577. Binding to deoxyadenosine is weaker with an estimated dissociation constants of 4.1 ± 0.3 mM for saddle 1. Heteronuclear steady-state {1H}-15N nuclear Overhauser effect, T1, and T2 values were generally uniform throughout the sequence with only a few modest pockets of differences. Circular dichroism spectroscopy characterization of the thermal stability of Rv0577 indicated irreversible unfolding upon heating with an estimated melting temperature of 56 °C.
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Affiliation(s)
- Garry W Buchko
- Seattle Structural Genomics Center for Infectious Diseases.,Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory , Richland, Washington 99352, United States
| | - Nathaniel Echols
- Physical Biosciences Division, Lawrence Berkeley National Laboratory , Berkeley, California 94158-2330, United States.,Department of Molecular and Cell Biology, University of California , Berkeley, California 94158-2330, United States
| | - E Megan Flynn
- Department of Molecular and Cell Biology, University of California , Berkeley, California 94158-2330, United States
| | - Ho-Leung Ng
- Department of Molecular and Cell Biology, University of California , Berkeley, California 94158-2330, United States
| | - Samuel Stephenson
- Department of Molecular and Cell Biology, University of California , Berkeley, California 94158-2330, United States
| | - Heung-Bok Kim
- Bioscience Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Peter J Myler
- Seattle Structural Genomics Center for Infectious Diseases.,Department of Medical Education and Biomedical Informatics and Department of Global Health, University of Washington , Seattle, Washington 98195, United States.,Center for Infectious Disease Research , Seattle, Washington 98109-5219, United States
| | - Thomas C Terwilliger
- Bioscience Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
| | - Tom Alber
- Physical Biosciences Division, Lawrence Berkeley National Laboratory , Berkeley, California 94158-2330, United States.,Department of Molecular and Cell Biology, University of California , Berkeley, California 94158-2330, United States
| | - Chang-Yub Kim
- Bioscience Division, Los Alamos National Laboratory , Los Alamos, New Mexico 87545, United States
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35
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Kaundun SS, Hutchings SJ, Dale RP, Howell A, Morris JA, Kramer VC, Shivrain VK, Mcindoe E. Mechanism of resistance to mesotrione in an Amaranthus tuberculatus population from Nebraska, USA. PLoS One 2017; 12:e0180095. [PMID: 28662111 PMCID: PMC5491128 DOI: 10.1371/journal.pone.0180095] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Accepted: 05/27/2017] [Indexed: 11/18/2022] Open
Abstract
Amaranthus tuberculatus is a troublesome weed in corn and soybean production systems in Midwestern USA, due in part to its ability to evolve multiple resistance to key herbicides including 4-hydroxyphenylpyruvate dioxygenase (HPPD). Here we have investigated the mechanism of resistance to mesotrione, an important chemical for managing broadleaf weeds in corn, in a multiple herbicide resistant population (NEB) from Nebraska. NEB showed a 2.4-fold and 45-fold resistance increase to mesotrione compared to a standard sensitive population (SEN) in pre-emergence and post-emergence dose-response pot tests, respectively. Sequencing of the whole HPPD gene from 12 each of sensitive and resistant plants did not detect any target-site mutations that could be associated with post-emergence resistance to mesotrione in NEB. Resistance was not due to HPPD gene duplication or over-expression before or after herbicide treatment, as revealed by qPCR. Additionally, no difference in mesotrione uptake was detected between NEB and SEN. In contrast, higher levels of mesotrione metabolism via 4-hydroxylation of the dione ring were observed in NEB compared to the sensitive population. Overall, the NEB population was characterised by lower levels of parent mesotrione exported to other parts of the plant, either as a consequence of metabolism in the treated leaves and/or impaired translocation of the herbicide. This study demonstrates another case of non-target-site based resistance to an important class of herbicides in an A. tuberculatus population. The knowledge generated here will help design strategies for managing multiple herbicide resistance in this problematic weed species.
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Affiliation(s)
- Shiv S. Kaundun
- Syngenta Ltd., Jealott’s Hill International Research Centre, Bracknell, Berkshire, United Kingdom
- * E-mail:
| | - Sarah-Jane Hutchings
- Syngenta Ltd., Jealott’s Hill International Research Centre, Bracknell, Berkshire, United Kingdom
| | - Richard P. Dale
- Syngenta Ltd., Jealott’s Hill International Research Centre, Bracknell, Berkshire, United Kingdom
| | - Anushka Howell
- Syngenta Ltd., Jealott’s Hill International Research Centre, Bracknell, Berkshire, United Kingdom
| | - James A. Morris
- Syngenta Ltd., Jealott’s Hill International Research Centre, Bracknell, Berkshire, United Kingdom
| | - Vance C. Kramer
- Syngenta, Research Triangle Park, NC, United States of America
| | - Vinod K. Shivrain
- Syngenta, Vero Beach Research Center, Vero Beach, FL, United States of America
| | - Eddie Mcindoe
- Syngenta Ltd., Jealott’s Hill International Research Centre, Bracknell, Berkshire, United Kingdom
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Santucci A, Bernardini G, Braconi D, Petricci E, Manetti F. 4-Hydroxyphenylpyruvate Dioxygenase and Its Inhibition in Plants and Animals: Small Molecules as Herbicides and Agents for the Treatment of Human Inherited Diseases. J Med Chem 2017; 60:4101-4125. [PMID: 28128559 DOI: 10.1021/acs.jmedchem.6b01395] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
This review mainly focuses on the physiological function of 4-hydroxyphenylpyruvate dioxygenase (HPPD), as well as on the development and application of HPPD inhibitors of several structural classes. Among them, one illustrative example is represented by compounds belonging to the class of triketone compounds. They were discovered by serendipitous observations on weed growth and were developed as bleaching herbicides. Informed reasoning on nitisinone (NTBC, 14), a triketone that failed to reach the final steps of the herbicidal design and development process, allowed it to become a curative agent for type I tyrosinemia (T1T) and to enter clinical trials for alkaptonuria. These results boosted the research of new compounds able to interfere with HPPD activity to be used for the treatment of the tyrosine metabolism-related diseases.
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Affiliation(s)
- Annalisa Santucci
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università degli Studi di Siena , via A. Moro 2, I-53100 Siena, Italy
| | - Giulia Bernardini
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università degli Studi di Siena , via A. Moro 2, I-53100 Siena, Italy
| | - Daniela Braconi
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università degli Studi di Siena , via A. Moro 2, I-53100 Siena, Italy
| | - Elena Petricci
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università degli Studi di Siena , via A. Moro 2, I-53100 Siena, Italy
| | - Fabrizio Manetti
- Dipartimento di Biotecnologie, Chimica e Farmacia, Università degli Studi di Siena , via A. Moro 2, I-53100 Siena, Italy
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Peek J, Roman J, Moran GR, Christendat D. Structurally diverse dehydroshikimate dehydratase variants participate in microbial quinate catabolism. Mol Microbiol 2016; 103:39-54. [DOI: 10.1111/mmi.13542] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/21/2016] [Indexed: 11/30/2022]
Affiliation(s)
- James Peek
- Department of Cell and Systems BiologyUniversity of Toronto25 Willcocks StreetToronto, Ontario CanadaM5S 3B2
| | - Joseph Roman
- Department of Chemistry and BiochemistryUniversity of Wisconsin‐Milwaukee3210 North Cramer StreetMilwaukee WI53211‐3209 USA
| | - Graham R. Moran
- Department of Chemistry and BiochemistryUniversity of Wisconsin‐Milwaukee3210 North Cramer StreetMilwaukee WI53211‐3209 USA
| | - Dinesh Christendat
- Department of Cell and Systems BiologyUniversity of Toronto25 Willcocks StreetToronto, Ontario CanadaM5S 3B2
- Centre for the Analysis of Genome Evolution and FunctionUniversity of TorontoToronto, Ontario CanadaM5S 3B2
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38
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Peck SC, van der Donk WA. Go it alone: four-electron oxidations by mononuclear non-heme iron enzymes. J Biol Inorg Chem 2016; 22:381-394. [PMID: 27783267 DOI: 10.1007/s00775-016-1399-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Accepted: 10/11/2016] [Indexed: 10/20/2022]
Abstract
This review discusses the current mechanistic understanding of a group of mononuclear non-heme iron-dependent enzymes that catalyze four-electron oxidation of their organic substrates without the use of any cofactors or cosubstrates. One set of enzymes acts on α-ketoacid-containing substrates, coupling decarboxylation to oxygen activation. This group includes 4-hydroxyphenylpyruvate dioxygenase, 4-hydroxymandelate synthase, and CloR involved in clorobiocin biosynthesis. A second set of enzymes acts on substrates containing a thiol group that coordinates to the iron. This group is comprised of isopenicillin N synthase, thiol dioxygenases, and enzymes involved in the biosynthesis of ergothioneine and ovothiol. The final group of enzymes includes HEPD and MPnS that both carry out the oxidative cleavage of the carbon-carbon bond of 2-hydroxyethylphosphonate but generate different products. Commonalities amongst many of these enzymes are discussed and include the initial substrate oxidation by a ferric-superoxo-intermediate and a second oxidation by a ferryl species.
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Affiliation(s)
- Spencer C Peck
- Department of Chemistry and Howard Hughes Medical Institute, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL, 61801, USA.,Institute for Genomic Biology, University of Illinois at Urbana-Champaign, 1206 West Gregory Drive, Urbana, IL, 61801, USA
| | - Wilfred A van der Donk
- Department of Chemistry and Howard Hughes Medical Institute, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL, 61801, USA. .,Institute for Genomic Biology, University of Illinois at Urbana-Champaign, 1206 West Gregory Drive, Urbana, IL, 61801, USA.
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39
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The different catalytic roles of the metal-binding ligands in human 4-hydroxyphenylpyruvate dioxygenase. Biochem J 2016; 473:1179-89. [PMID: 26936969 DOI: 10.1042/bcj20160146] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Accepted: 03/02/2016] [Indexed: 11/17/2022]
Abstract
4-Hydroxyphenylpyruvate dioxygenase (HPPD) is a non-haem iron(II)-dependent oxygenase that catalyses the conversion of 4-hydroxyphenylpyruvate (HPP) to homogentisate (HG). In the active site, a strictly conserved 2-His-1-Glu facial triad co-ordinates the iron ready for catalysis. Substitution of these residues resulted in about a 10-fold decrease in the metal binding affinity, as measured by isothermal titration calorimetry, and a large reduction in enzyme catalytic efficiencies. The present study revealed the vital role of the ligand Glu(349) in enzyme function. Replacing this residue with alanine resulted in loss of activity. The E349G variant retained 5% activity for the coupled reaction, suggesting that co-ordinating water may be able to support activation of the trans-bound dioxygen upon substrate binding. The reaction catalysed by the H183A variant was fully uncoupled. H183A variant catalytic activity resulted in protein cleavage between Ile(267) and Ala(268) and the production of an N-terminal fragment. The H266A variant was able to produce 4-hydroxyphenylacetate (HPA), demonstrating that decarboxylation had occurred but that there was no subsequent product formation. Structural modelling of the variant enzyme with bound dioxygen revealed the rearrangement of the co-ordination environment and the dynamic behaviour of bound dioxygen in the H266A and H183A variants respectively. These models suggest that the residues regulate the geometry of the reactive oxygen intermediate during the oxidation reaction. The mutagenesis and structural simulation studies demonstrate the critical and unique role of each ligand in the function of HPPD, and which correlates with their respective co-ordination position.
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40
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Jeschke P. Progress of modern agricultural chemistry and future prospects. PEST MANAGEMENT SCIENCE 2016; 72:433-55. [PMID: 26577980 DOI: 10.1002/ps.4190] [Citation(s) in RCA: 113] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Revised: 10/27/2015] [Accepted: 11/16/2015] [Indexed: 05/25/2023]
Abstract
Agriculture is facing an enormous challenge: it must ensure that enough high-quality food is available to meet the needs of a continually growing population. Current and future agronomic production of food, feed, fuel and fibre requires innovative solutions for existing and future challenges, such as climate change, resistance to pests, increased regulatory demands, renewable raw materials or requirements resulting from food chain partnerships. Modern agricultural chemistry has to support farmers to manage these tasks. Today, the so-called 'side effects' of agrochemicals regarding yield and quality are gaining more importance. Agrochemical companies with a strong research and development focus will have the opportunity to shape the future of agriculture by delivering innovative integrated solutions. This review gives a comprehensive overview of the innovative products launched over the past 10 years and describes the progress of modern agricultural chemistry and its future prospects.
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Affiliation(s)
- Peter Jeschke
- Bayer CropScience AG, Small Molecules Research, Pest Control Chemistry, Monheim am Rhein, Germany
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41
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Jeschke P. Propesticides and their use as agrochemicals. PEST MANAGEMENT SCIENCE 2016; 72:210-225. [PMID: 26449612 DOI: 10.1002/ps.4170] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Revised: 09/16/2015] [Accepted: 10/05/2015] [Indexed: 06/05/2023]
Abstract
The synthesis of propesticides is an important concept in design of modern agrochemicals with optimal efficacy, environmental safety, user friendliness and economic variability. Based on increasing knowledge of the biochemistry and genetics of major pest insects, weeds and agricultural pathogens, the search for selectivity has become an ever more important part of pesticide development and can be achieved by appropriate structural modifications of the active ingredient. Propesticides affect the absorption, distribution, metabolism and excretion parameters, which can lead to biological superiority of these modified active ingredients over their non-derivatised analogues. Various selected commercial propesticides testify to the successful utilisation of this concept in the design of agrochemicals. This review describes comprehensively the successful utilisation of propesticides and their role in syntheses of modern agrochemicals, exemplified by selected commercial products coming from different agrochemical areas.
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42
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Rocaboy-Faquet E, Barthelmebs L, Calas-Blanchard C, Noguer T. A novel amperometric biosensor for ß-triketone herbicides based on hydroxyphenylpyruvate dioxygenase inhibition: A case study for sulcotrione. Talanta 2015; 146:510-6. [PMID: 26695298 DOI: 10.1016/j.talanta.2015.09.030] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 09/09/2015] [Accepted: 09/11/2015] [Indexed: 11/28/2022]
Abstract
An amperometric biosensor was designed for the determination of sulcotrione, a β-triketone herbicide, based on inhibition of hydroxyphenylpyruvate dioxygenase (HPPD), an enzyme allowing the oxidation of hydroxyphenylpyruvate (HPP) in homogentisic acid (HGA). HPPD was produced by cloning the hppd gene from Arabidopsis thaliana in E. coli, followed by overexpression and purification by nickel-histidine affinity. The electrochemical detection of HPPD activity was based on the electrochemical oxidation of HGA at +0.1 V vs. Ag/AgCl, using a poly(3,4-ethylenedioxythiophene) polystyrene sulfonate-modified screen-printed electrode. Assays were performed at 25°C in 0.1 M phosphate buffer pH 8 containing 0.1M KCl. The purified HPPD was shown to display a maximum velocity of 0.51 µM(HGA) min(-1), and an apparent K(M) of 22.6 µM for HPP. HPPD inhibition assays in presence of sulcotrione confirmed a competitive inhibition of HPPD, the calculated inhibition constant K(I) was 1.11.10(-8) M. The dynamic range for sulcotrione extended from 5.10(-10) M to 5.10(-6) M and the limit of detection (LOD), estimated as the concentration inducing 20% of inhibition, was 1.4.10(-10) M.
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Affiliation(s)
- Emilie Rocaboy-Faquet
- Laboratoire BAE, Université de Perpignan Via Domitia, 52 Avenue Paul Alduy, 66860 Perpignan cedex 9, France
| | - Lise Barthelmebs
- Laboratoire BAE, Université de Perpignan Via Domitia, 52 Avenue Paul Alduy, 66860 Perpignan cedex 9, France
| | - Carole Calas-Blanchard
- Laboratoire BAE, Université de Perpignan Via Domitia, 52 Avenue Paul Alduy, 66860 Perpignan cedex 9, France
| | - Thierry Noguer
- Laboratoire BAE, Université de Perpignan Via Domitia, 52 Avenue Paul Alduy, 66860 Perpignan cedex 9, France.
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Siehl DL, Tao Y, Albert H, Dong Y, Heckert M, Madrigal A, Lincoln-Cabatu B, Lu J, Fenwick T, Bermudez E, Sandoval M, Horn C, Green JM, Hale T, Pagano P, Clark J, Udranszky IA, Rizzo N, Bourett T, Howard RJ, Johnson DH, Vogt M, Akinsola G, Castle LA. Broad 4-hydroxyphenylpyruvate dioxygenase inhibitor herbicide tolerance in soybean with an optimized enzyme and expression cassette. PLANT PHYSIOLOGY 2014; 166:1162-76. [PMID: 25192697 PMCID: PMC4226376 DOI: 10.1104/pp.114.247205] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Accepted: 08/23/2014] [Indexed: 05/04/2023]
Abstract
With an optimized expression cassette consisting of the soybean (Glycine max) native promoter modified for enhanced expression driving a chimeric gene coding for the soybean native amino-terminal 86 amino acids fused to an insensitive shuffled variant of maize (Zea mays) 4-hydroxyphenylpyruvate dioxygenase (HPPD), we achieved field tolerance in transgenic soybean plants to the HPPD-inhibiting herbicides mesotrione, isoxaflutole, and tembotrione. Directed evolution of maize HPPD was accomplished by progressively incorporating amino acids from naturally occurring diversity and novel substitutions identified by saturation mutagenesis, combined at random through shuffling. Localization of heterologously expressed HPPD mimicked that of the native enzyme, which was shown to be dually targeted to chloroplasts and the cytosol. Analysis of the native soybean HPPD gene revealed two transcription start sites, leading to transcripts encoding two HPPD polypeptides. The N-terminal region of the longer encoded peptide directs proteins to the chloroplast, while the short form remains in the cytosol. In contrast, maize HPPD was found almost exclusively in chloroplasts. Evolved HPPD enzymes showed insensitivity to five inhibitor herbicides. In 2013 field trials, transgenic soybean events made with optimized promoter and HPPD variant expression cassettes were tested with three herbicides and showed tolerance to four times the labeled rates of mesotrione and isoxaflutole and two times the labeled rates of tembotrione.
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Affiliation(s)
- Daniel L Siehl
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Yumin Tao
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Henrik Albert
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Yuxia Dong
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Matthew Heckert
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Alfredo Madrigal
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Brishette Lincoln-Cabatu
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Jian Lu
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Tamara Fenwick
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Ericka Bermudez
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Marian Sandoval
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Caroline Horn
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Jerry M Green
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Theresa Hale
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Peggy Pagano
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Jenna Clark
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Ingrid A Udranszky
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Nancy Rizzo
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Timothy Bourett
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Richard J Howard
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - David H Johnson
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Mark Vogt
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Goke Akinsola
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
| | - Linda A Castle
- DuPont Pioneer, Hayward, California 94545 (D.L.S., Y.T., H.A., Y.D., M.H., A.M., B.L.-C., J.L., T.F., E.B., M.S., C.H., I.A.U., L.A.C.);DuPont Stein-Haskell Research Center, Newark, Delaware 19711 (J.M.G., T.H., P.P., J.C.);DuPont Experimental Station, Wilmington, Delaware 19803 (N.R., T.B., R.J.H.); andDuPont Pioneer, Johnston, Iowa 50131 (D.H.J., M.V., G.A.)
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Wójcik A, Broclawik E, Siegbahn PEM, Lundberg M, Moran G, Borowski T. Role of Substrate Positioning in the Catalytic Reaction of 4-Hydroxyphenylpyruvate Dioxygenase—A QM/MM Study. J Am Chem Soc 2014; 136:14472-85. [DOI: 10.1021/ja506378u] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Anna Wójcik
- Jerzy
Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Cracow, Poland
- Department
of Computational Biophysics and Bioinformatics, Faculty of Biochemistry,
Biophysics and Biotechnology, Jagiellonian University, ul. Gronostajowa 7, 30-387 Cracow, Poland
| | - Ewa Broclawik
- Jerzy
Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Cracow, Poland
| | - Per E. M. Siegbahn
- Department
of Organic Chemistry, Stockholm University, S-106 91, Stockholm, Sweden
| | - Marcus Lundberg
- Ångstrom
Laboratory, Department of Chemistry, Uppsala University, Box 518, SE-751 20 Uppsala, Sweden
| | - Graham Moran
- Department
of Chemistry and Biochemistry, University of Wisconsin—Milwaukee, 3210 North Cramer Street, Milwaukee, Wisconsin 53211-3209, United States
| | - Tomasz Borowski
- Jerzy
Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, ul. Niezapominajek 8, 30-239 Cracow, Poland
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Rocaboy-Faquet E, Noguer T, Romdhane S, Bertrand C, Dayan FE, Barthelmebs L. Novel bacterial bioassay for a high-throughput screening of 4-hydroxyphenylpyruvate dioxygenase inhibitors. Appl Microbiol Biotechnol 2014; 98:7243-52. [PMID: 24816780 DOI: 10.1007/s00253-014-5793-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Revised: 04/11/2014] [Accepted: 04/23/2014] [Indexed: 10/25/2022]
Abstract
Plant 4-hydroxyphenylpyruvate dioxygenase (HPPD) is the molecular target of a range of synthetic β-triketone herbicides that are currently used commercially. Their mode of action is based on an irreversible inhibition of HPPD. Therefore, this inhibitory capacity was used to develop a whole-cell colorimetric bioassay with a recombinant Escherichia coli expressing a plant HPPD for the herbicide analysis of β-triketones. The principle of the bioassay is based on the ability of the recombinant E. coli clone to produce a soluble melanin-like pigment, from tyrosine catabolism through p-hydroxyphenylpyruvate and homogentisate. The addition of sulcotrione, a HPPD inhibitor, decreased the pigment production. With the aim to optimize the assay, the E. coli recombinant clone was immobilized in sol-gel or agarose matrix in a 96-well microplate format. The limit of detection for mesotrione, tembotrione, sulcotrione, and leptospermone was 0.069, 0.051, 0.038, and 20 μM, respectively, allowing to validate the whole-cell colorimetric bioassay as a simple and cost-effective alternative tool for laboratory use. The bioassay results from sulcotrione-spiked soil samples were confirmed with high-performance liquid chromatography.
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Affiliation(s)
- Emilie Rocaboy-Faquet
- Institut de Modélisation et d'Analyse en Géo-Environnement et Santé, Université Perpignan Via Domitia, EA 4218, 66860, Perpignan, France
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Structural and functional characterization of 4-hydroxyphenylpyruvate dioxygenase from the thermoacidophilic archaeon Picrophilus torridus. Extremophiles 2014; 18:641-51. [PMID: 24794033 DOI: 10.1007/s00792-014-0645-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Accepted: 04/13/2014] [Indexed: 10/25/2022]
Abstract
4-Hydroxyphenylpyruvate dioxygenase (Hpd, EC 1.13.11.27) catalyzes the conversion of 4-hydroxyphenylpyruvate into homogentisate in the second step of oxidative tyrosine catabolism. This pathway is known from bacteria and eukaryotes, but so far no archaeal Hpd has been described. Here, we report the biochemical characterization of an Hpd from the extremophilic archaeon Picrophilus torridus (Pt_Hpd), together with its three-dimensional structure at a resolution of 2.6 Å. Two pH optima were observed at 50 °C: pH 4.0 (close to native conditions) and pH 7.0. The enzyme showed only moderate thermostability and was inactivated with a half-life of ~1.5 h even under optimal reaction conditions. At the ideal physiological growth conditions of P. torridus, Pt_Hpd was inactive after 1 h, showing that the enzyme is protected in vivo from denaturation and/or is only partially adapted to the harsh environmental conditions in the cytosol of P. torridus. The influence of different additives on the activity was investigated. Pt_Hpd exhibited a turnover number k(cat) of 9.9 ± 0.6 s(-1) and a substrate binding affinity K(m) of 142 ± 23 µM. In addition, substrate inhibition with a binding affinity K(i) of 1.9 ± 0.3 mM was observed. Pt_Hpd is compared with isoenzymes from other species and the putative bacterial origin of the gene is discussed.
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Lin JF, Sheih YL, Chang TC, Chang NY, Chang CW, Shen CP, Lee HJ. The interactions in the carboxyl terminus of human 4-hydroxyphenylpyruvate dioxygenase are critical to mediate the conformation of the final helix and the tail to shield the active site for catalysis. PLoS One 2013; 8:e69733. [PMID: 23950902 PMCID: PMC3739788 DOI: 10.1371/journal.pone.0069733] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2013] [Accepted: 06/12/2013] [Indexed: 11/18/2022] Open
Abstract
4-Hydroxylphenylpyruvate dioxygenase (4-HPPD) is an important enzyme for tyrosine catabolism, which catalyzes the conversion of 4-hydroxylphenylpyruvate (4-HPP) to homogentisate. In the present study, human 4-HPPD was cloned and expressed in E. coli. The kinetic parameters for 4-HPP conversion were: k cat=2.2 ± 0.1 s(-1); and K m=0.08 ± 0.02 mM. Sequence alignments show that human 4-HPPD possesses an extended C-terminus compared to other 4-HPPD enzymes. Successive truncation of the disordered tail which follows the final α-helix resulted in no changes in the K m value for 4-HPP substrate but the k cat values were significantly reduced. The results suggest that this disordered C-terminal tail plays an important role in catalysis. For inspection the effect of terminal truncation on protein structure, mutant models were built. These models suggest that the different conformation of E254, R378 and Q375 in the final helix might be the cause of the activity loss. In the structure E254 interacts with R378, the end residue in the final helix; mutation of either one of these residues causes a ca. 95% reductions in k cat values. Q375 provides bifurcate interactions to fix the tail and the final helix in position. The model of the Q375N mutant shows that a solvent accessible channel opens to the putative substrate binding site, suggesting this is responsible for the complete loss of activity. These results highlight the critical role of Q375 in orientating the tail and ensuring the conformation of the terminal α-helix to maintain the integrity of the active site for catalysis.
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Affiliation(s)
- Jang-Foung Lin
- Department of Biochemistry, National Defense Medical Center, Neihu, Taipei, Taiwan
| | - Yung-Lin Sheih
- Department of Biochemistry, National Defense Medical Center, Neihu, Taipei, Taiwan
| | - Tsu-Chung Chang
- Department of Biochemistry, National Defense Medical Center, Neihu, Taipei, Taiwan
| | - Ni-Yuan Chang
- Department of Biochemistry, National Defense Medical Center, Neihu, Taipei, Taiwan
| | - Chiung-Wen Chang
- Department of Biochemistry, National Defense Medical Center, Neihu, Taipei, Taiwan
| | - Chia-Pei Shen
- Department of Biochemistry, National Defense Medical Center, Neihu, Taipei, Taiwan
| | - Hwei-Jen Lee
- Department of Biochemistry, National Defense Medical Center, Neihu, Taipei, Taiwan
- * E-mail:
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48
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Ahrens H, Lange G, Müller T, Rosinger C, Willms L, van Almsick A. 4-Hydroxyphenylpyruvate dioxygenase inhibitors in combination with safeners: solutions for modern and sustainable agriculture. Angew Chem Int Ed Engl 2013; 52:9388-98. [PMID: 23893910 DOI: 10.1002/anie.201302365] [Citation(s) in RCA: 111] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2013] [Indexed: 11/09/2022]
Abstract
Inhibitors of 4-hydroxyphenylpyruvate dioxygenase (HPPD) prevent plant carotenoid pigment formation, which in turn leads to chlorophyll degradation. This "bleaching" herbicide mode of action provides weed-control products for various crops, such as rice, corn, and cereals. Combinations with suitable safeners allow the full exploitation of the potential of this compound class to selectively control major weed problems, including rapidly increasing cases of resistance against other important herbicide classes.
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Affiliation(s)
- Hartmut Ahrens
- Small Molecules Research, Bayer CropScience AG, Industriepark Höchst, 65926 Frankfurt a.M., Germany
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49
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Ahrens H, Lange G, Müller T, Rosinger C, Willms L, van Almsick A. 4-Hydroxyphenylpyruvatdioxygenase-Inhibitoren plus Safener: Lösungen für eine moderne und nachhaltige Landwirtschaft. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201302365] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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50
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Sergeant MJ, Harrison PJ, Jenkins R, Moran GR, Bugg TDH, Thompson AJ. Phytotoxic effects of selected N-benzyl-benzoylhydroxamic acid metallo-oxygenase inhibitors: investigation into mechanism of action. NEW J CHEM 2013. [DOI: 10.1039/c3nj00491k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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