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Yang C, Halitschke R, O'Connor SE. OXIDOSQUALENE CYCLASE 1 and 2 influence triterpene biosynthesis and defense in Nicotiana attenuata. PLANT PHYSIOLOGY 2024; 194:2580-2599. [PMID: 38101922 PMCID: PMC10980520 DOI: 10.1093/plphys/kiad643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 11/07/2023] [Indexed: 12/17/2023]
Abstract
Triterpenes are a class of bioactive compounds with diverse biological functions, playing pivotal roles in plant defense against biotic stressors. Oxidosqualene cyclases (OSCs) serve as gatekeepers in the biosynthesis of triterpenes. In this study, we utilized a Nicotiana benthamiana heterologous expression system to characterize NaOSC1 from Nicotiana attenuata as a multifunctional enzyme capable of synthesizing lupeol, dammarenediol II, 3-alpha,20-lupanediol, and 7 other triterpene scaffolds. We also demonstrated that NaOSC2 is, in contrast, a selective enzyme, producing only the β-amyrin scaffold. Through virus-induced gene silencing and in vitro toxicity assays, we elucidated the roles of NaOSC1 and NaOSC2 in the defense of N. attenuata against Manduca sexta larvae. Metabolomic and feature-based molecular network analyses of leaves with silenced NaOSC1 and NaOSC2 unveiled 3 potential triterpene glycoside metabolite clusters. Interestingly, features identified as triterpenes within these clusters displayed a significant negative correlation with larval mass. Our study highlights the pivotal roles of NaOSC1 and NaOSC2 from N. attenuata in the initial steps of triterpene biosynthesis, subsequently influencing defense against M. sexta through the modulation of downstream triterpene glycoside compounds.
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Affiliation(s)
- Caiqiong Yang
- Department of Molecular Ecology, Max Planck Institute for Chemical Ecology, Hans-Knöll-Straße 8, Jena D-07745, Germany
| | - Rayko Halitschke
- Mass Spectrometry and Metabolomics, Max Planck Institute for Chemical Ecology, Hans-Knöll-Straße 8, Jena D-07745, Germany
| | - Sarah E O'Connor
- Department of Natural Product Biosynthesis, Max Planck Institute for Chemical Ecology, Hans-Knöll-Straße 8, Jena D-07745, Germany
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Pérez-Valera O, Torres-Martínez R, Nieto-Camacho A, Valencia I, Javier Espinosa-García F, Delgado G. Larvicidal Activity against Spodoptera frugiperda of some Constituents from two Diospyros Species. In silico Pesticide-likeness Properties, Acetylcholinesterase Activity and Molecular Docking. Chem Biodivers 2024; 21:e202301871. [PMID: 38320175 DOI: 10.1002/cbdv.202301871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/11/2024] [Accepted: 01/19/2024] [Indexed: 02/08/2024]
Abstract
This report informs for the first time the chemical constituents of Diospyros xolocotzii and Diospyros digyna, the pesticidal and the acetylcholinesterase (AChE) inhibition potential of some compounds calculated by in silico approaches, the larvicidal activity against Spodoptera frugiperda of available compounds, the AChE inhibition of selected compounds, and the results of the molecular docking of the most active ones with this receptor. From the aerial parts of D. xolocotzii were isolated pentacyclic triterpenes (1-4, 6, 10, 11-13), phytosterols (15-17), and isodiospyrin (18), whereas the analysis of aerial parts of D. digyna conducted to the isolation of pentacyclic triterpenes (4, 5, 7-9, 11-14), (4S)-shinanolone (19), and scopoletin (20). For comparison purposes, origanal (21) was chemically prepared from 11. The in silico analysis showed that the tested compounds have pesticide potential. The larvicidal activities of 11>13>12 indicated that the increase of the oxidation degree at C-28 increases their bioactivity. Compounds 11 and 21 presented the higher inhibition in the acetylcholinesterase assay, and the higher binding energies, and for the interactionswith AChE by molecular docking. Both Diospyros species are sources of triterpenes with pesticidal potential and the molecular changes in lupane triterpenes correlate with the observed bioactivity and molecular docking.
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Affiliation(s)
- Olivia Pérez-Valera
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán 04510, Ciudad de México, México
| | - Rafael Torres-Martínez
- Laboratorio de Ecología Química y Agroecología, Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Campus Morelia, Antigua Carretera a Pátzcuaro, No 8701., Col. Ex-Hacienda de San José de la Huerta 58190, Michoacán, México
| | - Antonio Nieto-Camacho
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán 04510, Ciudad de México, México
| | - Israel Valencia
- Laboratorio de Fitoquímica, Unidad de Biología Tecnológica y Prototipos, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. De los Barrios No 1. Col. Los Reyes Iztacala, Tlalnepantla 54090, Estado de México, México
| | - Francisco Javier Espinosa-García
- Laboratorio de Ecología Química y Agroecología, Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Campus Morelia, Antigua Carretera a Pátzcuaro, No 8701., Col. Ex-Hacienda de San José de la Huerta 58190, Michoacán, México
| | - Guillermo Delgado
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán 04510, Ciudad de México, México
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Kamatchi PAC, Maheswaran R, Sivanandhan S, Ignacimuthu S, Balakrishna K, Reegan AD, Arivoli S. Bioefficacy of ursolic acid and its derivatives isolated from Catharanthus roseus (L) G. Don leaf against Aedes aegypti, Culex quinquefasciatus, and Anopheles stephensi larvae. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:69321-69329. [PMID: 37133656 DOI: 10.1007/s11356-023-27253-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 04/23/2023] [Indexed: 05/04/2023]
Abstract
The aim of the present study was to identify the active principle from Catharanthus roseus leaf using larvicidal bioassay against three mosquito species viz. Aedes aegypti, Culex quinquefasciatus, and Anopheles stephensi. Preliminary studies of the three successive extracts such as hexane, chloroform, and methanol against Ae. aegypti larvae showed that the chloroform extract was more active with LC50 and LC90 values of 40.09 ppm and 189.15 ppm respectively. Bioassay guided fractionation of the active chloroform extract resulted in the isolation of a triterpenoid (ursolic acid) as the active constituent. Three derivatives acetate, formate, and benzoate were prepared using this, and they were tested for their larvicidal activity against three mosquito species. The acetyl derivative was highly active against all the three species compared to the parent compound ursolic acid; the activities of benzoate and formate were higher than ursolic acid when tested against Cx. quinquefasciatus. This is the first report related to ursolic acid from C. roseus with mosquito larvicidal activity. The pure compound could be considered for medicinal and other pharmacological applications in future.
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Affiliation(s)
| | - Rajan Maheswaran
- Department of Zoology, School of Life Sciences, Periyar University, Salem, Tamil Nadu, India.
| | - Subramaniyan Sivanandhan
- Xavier Research Foundation, St. Xavier's College, Palayamkottai, Thirunelveli, Tamil Nadu, India
| | - Savarimuthu Ignacimuthu
- Xavier Research Foundation, St. Xavier's College, Palayamkottai, Thirunelveli, Tamil Nadu, India
| | - Kedike Balakrishna
- Entomology Research Institute, Loyola College Campus, Chennai, Tamil Nadu, India
| | | | - Subramanian Arivoli
- Department of Zoology, Thiruvalluvar University, Tamil Nadu, Serkadu, Vellore, India
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Chinnasamy R, Govindasamy B, Venkatesh M, Magudeeswaran S, Dhanarajan A, Devarajan N, Willie P, Perumal V, Mekchay S, Krutmuang P. Bio-efficacy of insecticidal molecule emodin against dengue, filariasis, and malaria vectors. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:61842-61862. [PMID: 36934179 DOI: 10.1007/s11356-023-26290-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 03/01/2023] [Indexed: 05/10/2023]
Abstract
Emodin, a compound isolated from Aspergillus terreus, was studied using chromatographic and spectroscopic methods and compound purity (96%) was assessed by TLC. Furthermore, high larvicidal activity against Aedes aegypti-AeA (LC50 6.156 and LC90 12.450 mg/L), Culex quinquefasciatus-CuQ (8.216 and 14.816 mg/L), and Anopheles stephensi-AnS larvae (6.895 and 15.24 mg/L) was recorded. The first isolated fraction (emodin) showed higher pupicidal activity against AeA (15.449 and 20.752 mg/L). Most emodin-treated larvae (ETL) showed variations in acetylcholine esterase, α and β-carboxylesterases, and phosphatase activities in the 4th instar, indicating the intrinsic differences in their biochemical changes. ETL had numerous altered tissues, including muscle, gastric caeca, hindgut, midgut, nerve ganglia, and midgut epithelium. Acute toxicity of emodin on brine shrimp Artemia nauplii (54.0 and 84.5 mg/L) and the zebrafish Danio rerio (less toxicity observed) was recorded. In docking studies, Emodin interacted well with odorant-binding-proteins of AeA, AnS, and CuQ with docking scores of - 8.89, - 6.53, and - 8.09 kcal mol-1, respectively. Therefore, A. terreus is likely to be effective against mosquito larvicides.
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Affiliation(s)
- Ragavendran Chinnasamy
- Natural Drug Research Laboratory, Department of Biotechnology, School of Biosciences, Periyar University, Salem, Tamil Nadu, India
- Department of Conservative Dentistry and Endodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, India
| | - Balasubramani Govindasamy
- Department of Research & Innovation, Saveetha School of Engineering (SSE), Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai Tamil Nadu, India
| | | | - Sivanandam Magudeeswaran
- Department of Physics, Centre for Research and Development, KPR Institute of Engineering and Technology, Coimbatore, Tamil Nadu, India
| | - Arulbalachandran Dhanarajan
- Molecular and Stress Physiology Laboratory, Department of Botany, School of Life Sciences, Periyar University, Salem, Tamil Nadu, India
| | - Natarajan Devarajan
- Natural Drug Research Laboratory, Department of Biotechnology, School of Biosciences, Periyar University, Salem, Tamil Nadu, India
| | - Peijnenburg Willie
- Institute of Environmental Sciences (CML), Leiden University, P.O. Box 9518, 2300 RA, Leiden, The Netherlands
- Center for Safety of Substances and Products, National Institute of Public Health and the Environment (RIVM), P.O. Box 1, Bilthoven, The Netherlands
| | - Vivekanandhan Perumal
- Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai, 50200, Thailand
- Department of Physiology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 77, Tamil Nadu, India
| | - Supamit Mekchay
- Department of Animal and Aquatic Sciences, Faculty of Agriculture, Chiang Mai University, Chiang Mai, 50200, Thailand
- Innovative Agriculture Research Center, Faculty of Agriculture, Chiang Mai University, Chiang Mai, Thailand
| | - Patcharin Krutmuang
- Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai, 50200, Thailand.
- Innovative Agriculture Research Center, Faculty of Agriculture, Chiang Mai University, Chiang Mai, Thailand.
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Chatterjee S, Bag S, Biswal D, Sarkar Paria D, Bandyopadhyay R, Sarkar B, Mandal A, Dangar TK. Neem-based products as potential eco-friendly mosquito control agents over conventional eco-toxic chemical pesticides-A review. Acta Trop 2023; 240:106858. [PMID: 36750152 DOI: 10.1016/j.actatropica.2023.106858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 02/02/2023] [Accepted: 02/03/2023] [Indexed: 02/07/2023]
Abstract
Mosquitoes cause serious health hazards for millions of people across the globe by acting as vectors of deadly communicable diseases like malaria, filariasis, dengue and yellow fever. Use of conventional chemical insecticides to control mosquito vectors has led to the development of biological resistance in them along with adverse environmental consequences. In this light, the recent years have witnessed enormous efforts of researchers to develop eco-friendly and cost-effective alternatives with special emphasis on plant-derived mosquitocidal compounds. Neem oil, derived from neem seeds (Azadirachta indica A. Juss, Meliaceae), has been proved to be an excellent candidate against a wide range of vectors of medical and veterinary importance including mosquitoes. It is environment-friendly, and target-specific at the same time. The active ingredients of neem oil include limonoids like azadirachtin A, nimbin, salannin and numerous other substances that are still waiting to be discovered. Of these, azadirachtin has been shown to be very effective and is mainly responsible for its toxic effects. The quality of the neem oil depends on its azadirachtin content which, in turn, depends on its manufacturing process. Neem oil can be used directly or as nanoemulsions or nanoparticles or even in the form of effervescent tablets. When added to natural breeding habitat waters they exert their mosquitocidal effects by acting as ovicides, larvicides, pupicides and/or oviposition repellents. The effects are generated by impairing the physiological pathways of the immature stages of mosquitoes or directly by causing physical deformities that impede their development. Neem oil when used directly has certain disadvantages mainly related to its disintegration under atmospheric conditions rendering it ineffective. However, many of its formulations have been reported to remain stable under environmental conditions retaining its efficiency for a long time. Similarly, neem seed cake has also been found to be effective against the mosquito vectors. The greatest advantage is that the target species do not develop resistance against neem-based products mainly because of the innumerable number of chemicals present in neem and their combinations. This makes neem-based products highly potential yet unexplored candidates of mosquito control agents. The current review helps to elucidate the roles of neem oil and its various derivatives on mosquito vectors of public health concern.
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Affiliation(s)
- Soumendranath Chatterjee
- Parasitology and Microbiology Research Laboratory, Department of Zoology, The University of Burdwan, Burdwan 713104, West Bengal, India.
| | - Souvik Bag
- Parasitology and Microbiology Research Laboratory, Department of Zoology, The University of Burdwan, Burdwan 713104, West Bengal, India
| | - Debraj Biswal
- Department of Zoology, Government General Degree College at Mangalkote, Burdwan 713132, West Bengal, India
| | | | | | - Basanta Sarkar
- Parasitology and Microbiology Research Laboratory, Department of Zoology, The University of Burdwan, Burdwan 713104, West Bengal, India
| | - Abhijit Mandal
- Parasitology and Microbiology Research Laboratory, Department of Zoology, The University of Burdwan, Burdwan 713104, West Bengal, India
| | - Tushar Kanti Dangar
- Microbiology Laboratory, Division of Crop Production, National Rice Research Institute, Cuttack 753006, Odisha, India
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Targanski SK, Sousa JR, de Pádua GM, de Sousa JM, Vieira LC, Soares MA. Larvicidal activity of substituted chalcones against Aedes aegypti (Diptera: Culicidae) and non-target organisms. PEST MANAGEMENT SCIENCE 2021; 77:325-334. [PMID: 32729190 DOI: 10.1002/ps.6021] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 07/17/2020] [Accepted: 07/29/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND The expansion of Aedes aegypti (Diptera: Culicidae) population has increased the number of cases of arboviruses, in part due to the inefficiency and toxicity of the chemical control methods available to control this vector. We synthesized 19 chalcone derivatives and examined their activity against Ae. aegypti larvae in order to select larvicidal compounds that are non-toxic to other organisms. RESULTS Seven chalcone derivatives (3a, 3e, 3f, 6a, 6c, 6d, and 6f) had lethal concentrations of substituted chalcones capable of killing 50% (LC50 ) values lower than 100 mg mL-1 at 24 h post-treatment, which is the dose that the World Health Organization recommends for the selection of promising larvicides. The type of substituent added to (E)-1,3-diphenylprop-2-en-1-one (3a) markedly affected the larvicidal activity. Addition of chlorine, bromine and methoxy groups to the aromatic rings reduced the larvicidal activity, while replacement of the B-ring (phenyl) by a furan ring significantly increased the larvicidal activity. The furan-chalcone (E)-3-(4-bromophenyl)-1-(furan-2-yl)prop-2-en-1-one (6c) killed Ae. aegypti larvae (LC50 = 6.66 mg mL-1 ; LC90 = 9.97 mg mL-1 ) more effectively than the non-substituted chalcone (3a) (LC50 = 14.43 mg mL-1 ; LC90 = 20.96 mg mL-1 ), and was not toxic to the insect Galleria mellonella, to the protozoan Tetrahymena pyriformis, and to the algae Chorella vulgaris. CONCLUSIONS The substitution pattern of chalcones influenced their larvicidal activity. In the set of compounds tested, (E)-3-(4-bromophenyl)-1-(furan-2-yl)prop-2-en-1-one (6c) was the most effective larvicide against Ae. aegypti, with no clear signs of toxicity to other animal models. Its mechanism of action and effectiveness under field conditions remain to be determined.
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Affiliation(s)
- Sabrina K Targanski
- Departamento de Botânica e Ecologia, Universidade Federal de Mato Grosso, Cuiabá, Brazil
| | - Janaína R Sousa
- Departamento de Botânica e Ecologia, Universidade Federal de Mato Grosso, Cuiabá, Brazil
| | - Geilly Ms de Pádua
- Departamento de Química, Universidade Federal de Mato Grosso, Cuiabá, Brazil
| | - Jéssica M de Sousa
- Departamento de Química, Universidade Federal de Mato Grosso, Cuiabá, Brazil
| | - Lucas Cc Vieira
- Faculdade de Engenharia, Universidade Federal de Mato Grosso, Várzea Grande, Brazil
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Ali F, Chorsiya A, Anjum V, Khasimbi S, Ali A. A systematic review on phytochemicals for the treatment of dengue. Phytother Res 2020; 35:1782-1816. [PMID: 33118251 DOI: 10.1002/ptr.6917] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 08/23/2020] [Accepted: 10/04/2020] [Indexed: 02/06/2023]
Abstract
Dengue fever is prevalent in subtopic regions, producing mortality and morbidity worldwide, which have been of major concern to different governments and World Health Organization. The search of new anti-dengue agents from phytochemicals was assumed to be highly emergent in past. The phytochemicals have been used in wide distribution of vector ailments such as malaria. The demand of the phytochemicals is based on the medicines which are mostly considered to be safer, less harmful than synthetic drugs and nontoxic. This review mentions majorly about the phytochemicals potentially inhibiting dengue fever around the world. The phytochemicals have been isolated from different species, have potential for the treatment of dengue. Different crude extracts and essential oils obtained from different species showed a broad activity against different phytochemicals. The current studies showed that natural products represent a rich source of medicines toward the dengue fever. Furthermore, ethnobotanical surveys and laboratory investigation established identified natural plants species in the development of drug discovery to control the dengue fever.
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Affiliation(s)
- Faraat Ali
- Department of Inspection and Licensing, Laboratory Services, Botswana Medicines Regulatory Authority, Gaborone, Botswana
| | - Anushma Chorsiya
- School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University, New Delhi, India
| | - Varisha Anjum
- Department of Pharmacognosy and Phytochemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi, India
| | - Shaik Khasimbi
- Department of Pharmaceutical Chemistry, Delhi Institute of Pharmaceutical Sciences and Research (DIPSAR), New Delhi, India
| | - Asad Ali
- Department of Chemistry, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, India
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Silvério MRS, Espindola LS, Lopes NP, Vieira PC. Plant Natural Products for the Control of Aedes aegypti: The Main Vector of Important Arboviruses. Molecules 2020; 25:E3484. [PMID: 32751878 PMCID: PMC7435582 DOI: 10.3390/molecules25153484] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/24/2020] [Accepted: 07/28/2020] [Indexed: 01/20/2023] Open
Abstract
The mosquito species Aedes aegypti is one of the main vectors of arboviruses, including dengue, Zika and chikungunya. Considering the deficiency or absence of vaccines to prevent these diseases, vector control remains an important strategy. The use of plant natural product-based insecticides constitutes an alternative to chemical insecticides as they are degraded more easily and are less harmful to the environment, not to mention their lower toxicity to non-target insects. This review details plant species and their secondary metabolites that have demonstrated insecticidal properties (ovicidal, larvicidal, pupicidal, adulticidal, repellent and ovipositional effects) against the mosquito, together with their mechanisms of action. In particular, essential oils and some of their chemical constituents such as terpenoids and phenylpropanoids offer distinct advantages. Thiophenes, amides and alkaloids also possess high larvicidal and adulticidal activities, adding to the wealth of plant natural products with potential in vector control applications.
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Affiliation(s)
- Maíra Rosato Silveiral Silvério
- NPPNS, Departamento de Ciências BioMoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14040-903, São Paulo, Brazil
| | | | - Norberto Peporine Lopes
- NPPNS, Departamento de Ciências BioMoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14040-903, São Paulo, Brazil
| | - Paulo Cézar Vieira
- NPPNS, Departamento de Ciências BioMoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14040-903, São Paulo, Brazil
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Wu Z, Wei W, Cheng K, Zheng L, Ma C, Wang Y. Insecticidal activity of triterpenoids and volatile oil from the stems of Tetraena mongolica. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2020; 166:104551. [PMID: 32448415 DOI: 10.1016/j.pestbp.2020.02.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 02/17/2020] [Accepted: 02/26/2020] [Indexed: 06/11/2023]
Abstract
Tetraena mongolica Maxim is a species of Zygophyllaceae endemic to China. Because few insect pests affect its growth and flowering, we speculated that this plant produces defensive chemicals that are insect repellents or antifeedants. The effects of different fractions from crude stem and leaf extracts on Pieris rapae were examined. The results confirmed that the ethyl acetate (EtOAc) fraction from the stems had insecticidal potential. Five compounds were isolated from the EtOAc fraction: a volatile oil [bis(2-ethylhexyl) benzene-1,2-dicarboxylate (1)], three triterpenoids 2E-3β-(3,4-dihydroxycinnamoyl)-erythrodiol (2), 2Z-3β-(3,4-dihydroxycinnamoyl)-erythrodiol (3), and 2E-3β-(3,4-dihydroxyphenyl)-2-propenoate (4)], and one steroid [β-sitosterol (5)]. Compounds 1-5 exhibited different degrees of insecticidal activity, including antifeedant and growth-inhibition effects. Compounds 1-5 inhibited the activity of carboxylesterase (CarE) and acetylcholinesterase (AChE) to different degrees. Compound 1 had the strongest antifeedant and growth-inhibition effects, and significantly inhibited the activity of CarE and AChE. Our results indicate that compounds 1-4 are the major bioactive insecticidal constituents of Tetraena mongolica. This work should facilitate the development and application of plant-derived botanical pesticides.
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Affiliation(s)
- Zhigang Wu
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot 010070, PR China; Key Laboratory of Herbage and Endemic Crop Biotechnology, School of Life Sciences, Inner Mongolia University, Hohhot 010070, PR China
| | - Wei Wei
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot 010070, PR China; Key Laboratory of Herbage and Endemic Crop Biotechnology, School of Life Sciences, Inner Mongolia University, Hohhot 010070, PR China
| | - Kai Cheng
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot 010070, PR China; Key Laboratory of Herbage and Endemic Crop Biotechnology, School of Life Sciences, Inner Mongolia University, Hohhot 010070, PR China
| | - Linlin Zheng
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot 010070, PR China; Key Laboratory of Herbage and Endemic Crop Biotechnology, School of Life Sciences, Inner Mongolia University, Hohhot 010070, PR China
| | - Chaomei Ma
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot 010070, PR China; Key Laboratory of Herbage and Endemic Crop Biotechnology, School of Life Sciences, Inner Mongolia University, Hohhot 010070, PR China
| | - Yingchun Wang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot 010070, PR China; Key Laboratory of Herbage and Endemic Crop Biotechnology, School of Life Sciences, Inner Mongolia University, Hohhot 010070, PR China.
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Suresh M, Jeevanandam J, Chan YS, Danquah MK, Kalaiarasi JMV. Opportunities for Metal Oxide Nanoparticles as a Potential Mosquitocide. BIONANOSCIENCE 2019. [DOI: 10.1007/s12668-019-00703-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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11
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de Souza Wuillda ACJ, Campos Martins RC, Costa FDN. Larvicidal Activity of Secondary Plant Metabolites inAedes aegyptiControl: An Overview of the Previous 6 Years. Nat Prod Commun 2019. [DOI: 10.1177/1934578x19862893] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Aedes aegypti is the main transmitter of several arboviruses, mainly dengue. It occurs, recently, in more than 100 countries and majority of the world population lives in areas of mosquito incidence, marking its control relevant and necessary. Presently, the main form of vector control is the use of synthetic insecticides; however, its continuous application has led to inefficiency due to resistance development. Based on this fact, the insecticides from natural sources appear as a friendly alternative for man and the environment. This study provides an overview of the larvicidal compounds isolated from plant extracts while controlling A. aegypti, in the previous 6 years (2013-2018), and aims to impart more knowledge regarding the described metabolites and to encourage the search for new bioactive compounds. In addition, the proposals for mechanisms of action and structure-activity relationships that may justify the larvicidal potential are also discussed.
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Sharifiyan F, Mirjalili SA, Fazilati M, Poorazizi E, Habibollahi S. Variation of ursolic acid content in flowers of ten Iranian pomegranate ( Punica granatum L.) cultivars. BMC Chem 2019; 13:80. [PMID: 31384827 PMCID: PMC6661776 DOI: 10.1186/s13065-019-0598-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Accepted: 06/25/2019] [Indexed: 11/25/2022] Open
Abstract
Background Ursolic acid (UA) is an important bioactive component in many traditional medicinal plants including pomegranate (Punica granatum L.) flower. Methods This study presents the HPLC analysis of UA contents of ten cultivars of pomegranate flower grown in Iran. The UA contents of fallen flowers of pomegranate were given in each cultivar. Results Remarkable quantities of UA were found in ten cultivars of Iranian pomegranate flower evaluated (21.736 to 15.119 mg/g). Lower quantities of UA were determined in pomegranate fallen flowers (16.763 to 5.754 mg/g). Conclusion UA values obtained from Iranian cultivars of pomegranate flowers are very significant when compared with other sources of UA. All of the analyzes suggested that the Iranian pomegranate flowers (including flowers on branches and fallen flowers) might be an excellent UA rich source.
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Affiliation(s)
| | - Seyed Abbas Mirjalili
- 2Imam Khomeini Higher Education Center, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran
| | | | - Elahe Poorazizi
- Department of Biochemistry, Najafabad Branch, Islamic Azad University, Najafabad, Iran
| | - Saeed Habibollahi
- 4Department of Chemistry, Payame Noor University (PNU), Tehran, Iran
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Classical and 3D QSAR studies of larvicidal monoterpenes against Aedes aegypti: new molecular insights for the rational design of more active compounds. Struct Chem 2018. [DOI: 10.1007/s11224-018-1110-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Hari I, Mathew N. Larvicidal activity of selected plant extracts and their combination against the mosquito vectors Culex quinquefasciatus and Aedes aegypti. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:9176-9185. [PMID: 29460245 DOI: 10.1007/s11356-018-1515-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 02/08/2018] [Indexed: 05/27/2023]
Abstract
In order to develop an environment-friendly botanical mosquito larvicide alternative to the chemical larvicides, extracts were made from the leaves of Hyptis suaveolens, Lantana camara, Nerium oleander, and Tecoma stans with three organic solvents such as methanol (ME), chloroform (CH), and petroleum ether (PE) using a Soxhlet extractor. The plant extracts were screened for larvicidal activity individually and in combination against the larvae of Aedes aegypti and Culex quinquefasciatus as per WHO protocol. Among the extracts, the maximum larvicidal activity was shown by the PE extract of L. camara (LC50 10.63 mg/L) followed by the PE extract of T. stans (LC50 19.26 mg/L), ME extract of N. oleander (LC50 35.82 mg/L), and PE extract of H. suaveolens (LC50 38.39 mg/L) against Cx. quinquefasciatus. In the case of Ae. aegypti, the PE extract of T. stans showed maximum activity with LC50 value of 55.41 mg/L followed by H. suaveolens (LC50 64.49 mg/L), PE extract of L. camara (LC50 74.93 mg/L), and ME extract of N. oleander (LC50 84.09). A blend of these four extracts resulted in a combination with corresponding LC50 values of 4.32 and 7.19 mg/L against Cx. quinquefasciatus and Ae. aegypti. The predator safety factors were 12.55 and 20.88 for Gambusia affinis with respect to Aedes and Culex larvae for the extract combination. Chemical constituents in extracts were also identified by FT-IR and GC-MS data. The present investigations suggest the possible use of this blend of botanical extracts as an ideal ecofriendly, larvicide against Ae. aegypti and Cx. quinquefasciatus larvae.
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Affiliation(s)
- Irrusappan Hari
- ICMR-Vector Control Research Centre, Medical Complex, Indira Nagar, Puducherry, 605006, India
| | - Nisha Mathew
- ICMR-Vector Control Research Centre, Medical Complex, Indira Nagar, Puducherry, 605006, India.
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Minicante SA, Carlin S, Stocco M, Sfriso A, Capelli G, Montarsi F. Preliminary Results On the Efficacy of Macroalgal Extracts Against Larvae of Aedes albopictus. JOURNAL OF THE AMERICAN MOSQUITO CONTROL ASSOCIATION 2017; 33:352-354. [PMID: 29369033 DOI: 10.2987/17-6638.1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Activity of ethanolic extracts of the algae Ulva rigida, Asparagopsis taxiformis, Dictyota dichotoma, and Cystoseira barbata, collected along Italian coasts, was tested against larvae of the Asian tiger mosquito ( Aedes albopictus), a vector of pathogens for animals and humans. Tests were carried out using 10 specimens of 3rd-stage larvae per test, following the World Health Organization standard protocol with minor modifications. Among algal extracts, only D. dichotoma was active against the larvae of Ae. albopictus. Ethanolic extracts of that species showed LC90 (the concentration that kills 90% of larvae) and LC50 (the concentration that kills 50% of larvae) values at 44.32 and 85.92 mg/liter, respectively. Based on the data obtained, D. dichotoma biometabolic extracts could be potential candidates as larvicide compounds to control Ae. albopictus, encouraging the use of macroalgae as natural resources in integrated vector management strategies.
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Rodríguez-Hernández D, Barbosa LCA, Demuner AJ, Nain-Perez A, Ferreira SR, Fujiwara RT, de Almeida RM, Heller L, Csuk R. Leishmanicidal and cytotoxic activity of hederagenin-bistriazolyl derivatives. Eur J Med Chem 2017; 140:624-635. [PMID: 29024910 DOI: 10.1016/j.ejmech.2017.09.045] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 09/19/2017] [Accepted: 09/21/2017] [Indexed: 10/18/2022]
Abstract
Aiming to obtain new potent leishmanicidal and cytotoxic compounds from natural sources, the triterpene hederagenin was converted into several new 1,2,3-triazolyl derivatives tethered at C-23 and C-28. For this work hederagenin was isolated from fruits of Sapindus saponaria and reacted with propargyl bromide to afford as a major product bis-propargylic derivative 1 in 74%. Submitting this compound to Huisgen 1,3-dipolar cycloaddition reactions with several azides afforded the derivatives 2-19 with yields in the range of 40-87%. All compounds have been screened for in vitro cytotoxic activity in a panel of five human cancer cell lines by a SRB assay. The bioassays showed that compound 19 was the most cytotoxic against all human cancer cell lines with EC50 = 7.4-12.1 μM. Moreover, leishmanicidal activity was evaluated through the in vitro effect in the growth of Leishmania infantum, and derivatives 1, 2, 5 and 17 were highly effective preventing proliferation of intracellular amastigote forms of L. infantum (IC50 = 28.8, 25.9, 5.6 and 7.4 μM, respectively). All these compounds showed a higher selectivity index and low toxicity against two strains of kidney BGM and liver HepG2 cells. Compound 5 has higher selectivity (1780 times) in comparison with the commercial antimony drug and is around 8 times more selective than the most active compound previously reported hederagenin derivative. Such high activity associated with low toxicities make the new bis-traiazolyl derivatives promising candidates for the treatment of leishmaniasis. In addition, hederagenin and some derivatives (2, 5 and 17) showed interaction in the binding site of the enzyme CYP51Li.
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Affiliation(s)
- Diego Rodríguez-Hernández
- Department of Chemistry, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627, Campus Pampulha, CEP 31270-901, Belo Horizonte, MG, Brazil
| | - Luiz C A Barbosa
- Department of Chemistry, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627, Campus Pampulha, CEP 31270-901, Belo Horizonte, MG, Brazil; Department of Chemistry, Universidade Federal de Viçosa, Av. P. H. Rolfs, s/n, CEP 36570-900, Viçosa, MG, Brazil.
| | - Antonio J Demuner
- Department of Chemistry, Universidade Federal de Viçosa, Av. P. H. Rolfs, s/n, CEP 36570-900, Viçosa, MG, Brazil
| | - Amalyn Nain-Perez
- Department of Chemistry, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627, Campus Pampulha, CEP 31270-901, Belo Horizonte, MG, Brazil
| | - Sebastião R Ferreira
- Department of Parasitology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627, Campus Pampulha, CEP 31270-901, Belo Horizonte, MG, Brazil; Health Science Center, Universidade Federal de Roraima, Av. Cap. Ene Garcez, CEP 69310-000, Boa Vista, RR, Brazil
| | - Ricardo T Fujiwara
- Department of Parasitology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627, Campus Pampulha, CEP 31270-901, Belo Horizonte, MG, Brazil
| | - Raquel M de Almeida
- Department of Parasitology, Universidade Federal de Minas Gerais, Av. Pres. Antônio Carlos, 6627, Campus Pampulha, CEP 31270-901, Belo Horizonte, MG, Brazil
| | - Lucie Heller
- Martin-Luther-University Halle-Wittenberg, Organic Chemistry, Kurt-Mothes-Str.2, D 06120, Halle (Saale), Germany
| | - René Csuk
- Martin-Luther-University Halle-Wittenberg, Organic Chemistry, Kurt-Mothes-Str.2, D 06120, Halle (Saale), Germany.
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Rajamanikyam M, Vadlapudi V, Parvathaneni SP, Koude D, Sripadi P, Misra S, Amanchy R, Upadhyayula SM. Isolation and characterization of phthalates from Brevibacterium mcbrellneri that cause cytotoxicity and cell cycle arrest. EXCLI JOURNAL 2017; 16:375-387. [PMID: 28507481 PMCID: PMC5427467 DOI: 10.17179/excli2017-145] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Accepted: 03/06/2017] [Indexed: 11/15/2022]
Abstract
Bacteria belonging to the family Brevibacterieae are ubiquitous Gram positive organisms that are responsible for the feet odour and cheese aroma. Brevibacterium mcbrellneri is a relatively new member belonging to Brevibacterieae. In the current manuscript we discuss isolation of biologically active metabolites from Brevibacterium mcbrellneri. Two aromatic esters were isolated from Brevibacterium mcbrellneri by “Bioassay guided fractionation strategy” and identified as di-(2-ethylhexyl) phthalate and dibutyl phthalate by chemical characterization using biophysical techniques. The phthalate compounds show broad spectrum antibacterial activity and mosquito larvicidal activity. Mosquito larvicidal activity has been attributed to inhibition of acetylcholinesterase enzyme activity. These compounds were found to be cytotoxic in multiple cell lines causing cell cycle arrest in G1 phase.
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Affiliation(s)
- Maheshwari Rajamanikyam
- Biology Division, CSIR-Indian Institute of Chemical Technology (IICT), Uppal Road, Tarnaka, Hyderabad -500 007, India
| | - Varahalarao Vadlapudi
- Biology Division, CSIR-Indian Institute of Chemical Technology (IICT), Uppal Road, Tarnaka, Hyderabad -500 007, India
| | - Sai Prathima Parvathaneni
- Crop Protection Chemicals Division, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad -500 007, India
| | - Dhevendar Koude
- Biology Division, CSIR-Indian Institute of Chemical Technology (IICT), Uppal Road, Tarnaka, Hyderabad -500 007, India
| | - Prabhakar Sripadi
- National Centre for Mass Spectrometry, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad -500 007, India
| | - Sunil Misra
- Biology Division, CSIR-Indian Institute of Chemical Technology (IICT), Uppal Road, Tarnaka, Hyderabad -500 007, India
| | - Ramars Amanchy
- Biology Division, CSIR-Indian Institute of Chemical Technology (IICT), Uppal Road, Tarnaka, Hyderabad -500 007, India
| | - Suryanarayana Murty Upadhyayula
- Biology Division, CSIR-Indian Institute of Chemical Technology (IICT), Uppal Road, Tarnaka, Hyderabad -500 007, India.,NIPER Guwahati, 1st Floor, Institute of Pharmacy, Guwahati Medical College & Hospital Guwahati -781 032, India
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