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Stalin A, Han J, Daniel Reegan A, Ignacimuthu S, Liu S, Yao X, Zou Q. Exploring the antiviral inhibitory activity of Niloticin against the NS2B/NS3 protease of Dengue virus (DENV2). Int J Biol Macromol 2024; 277:133791. [PMID: 38992553 DOI: 10.1016/j.ijbiomac.2024.133791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 07/03/2024] [Accepted: 07/08/2024] [Indexed: 07/13/2024]
Abstract
Dengue virus (DENV2) is the cause of dengue disease and a worldwide health problem. DENV2 replicates in the host cell using polyproteins such as NS3 protease in conjugation with NS2B cofactor, making NS3 protease a promising antiviral drug-target. This study investigated the efficacy of 'Niloticin' against NS2B/NS3-protease. In silico and in vitro analyses were performed which included interaction of niloticin with NS2B/NS3-protease, protein stability and flexibility, mutation effect, betweenness centrality of residues and analysis of cytotoxicity, protein expression and WNV NS3-protease activity. Similar like acyclovir, niloticin forms strong H-bonds and hydrophobic interactions with residues LEU149, ASN152, LYS74, GLY148 and ALA164. The stability of the niloticin-NS2B/NS3-protease complex was found to be stable compared to the apo NS2B/NS3-protease in structural deviation, PCA, compactness and FEL analysis. The IC50 value of niloticin was 0.14 μM in BHK cells based on in vitro cytotoxicity analysis and showed significant activity at 2.5 μM in a concentration-dependent manner. Western blotting and qRT-PCR analyses showed that niloticin reduced DENV2 protein transcription in a dose-dependent manner. Besides, niloticin confirmed the inhibition of NS3-protease by the SensoLyte 440 WNV protease detection kit. These promising results suggest that niloticin could be an effective antiviral drug against DENV2 and other flaviviruses.
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Affiliation(s)
- Antony Stalin
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610 054, China.
| | - Jiajia Han
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Appadurai Daniel Reegan
- National Centre for Disease Control, Bengaluru Branch, No. 8, NTI Campus, Bellary Road, Bengaluru 560 003, Karnataka, India; ICMR-Vector Control Research Centre, Indira Nagar, Gorimedu, Puducherry 605 006, India
| | - Savarimuthu Ignacimuthu
- Xavier Research Foundation, St. Xavier's College, Affiliated to Manonmaniam Sundaranar University, Palayamkottai 627 002, Tamil Nadu, India
| | - Shuwen Liu
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China; Key Laboratory of Infectious Diseases Research in South China (Southern Medical University), Ministry of Education, Guangzhou 510515, China
| | - Xingang Yao
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China; Key Laboratory of Infectious Diseases Research in South China (Southern Medical University), Ministry of Education, Guangzhou 510515, China.
| | - Quan Zou
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610 054, China.
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Joseph AG, Biji M, Murali VP, Sherin DR, Valsan A, Sukumaran VP, Radhakrishnan KV, Maiti KK. A comprehensive apoptotic assessment of niloticin in cervical cancer cells: a tirucallane-type triterpenoid from Aphanamixis polystachya (Wall.) Parker. RSC Med Chem 2024:d4md00318g. [PMID: 39246746 PMCID: PMC11378019 DOI: 10.1039/d4md00318g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Accepted: 08/01/2024] [Indexed: 09/10/2024] Open
Abstract
Pharmacologically active small organic molecules derived from natural resources are prominent drug candidates due to their inherent structural diversity. Herein, we explored one such bioactive molecule, niloticin, which is a tirucallane-type triterpenoid isolated from the stem barks of Aphanamixis polystachya (Wall.) Parker. After initial screening with other isolated compounds from the same plant, niloticin demonstrated selective cytotoxicity against cervical cancer cells (HeLa) with an IC50 value of 11.64 μM. Whereas the compound exhibited minimal cytotoxicity in normal epithelial cell line MCF-10A, with an IC50 value of 83.31 μM. Subsequently, in silico molecular docking studies of niloticin based on key apoptotic proteins such as p53, Fas, FasL, and TNF β revealed striking binding affinity, reflecting docking scores of -7.2, -7.1, -6.8, and -7.2. Thus, the binding stability was evaluated through molecular dynamic simulation. In a downstream process, the apoptotic capability of niloticin was effectively validated through in vitro fluorimetric assays, encompassing nuclear fragmentation. Additionally, an insightful approach involving surface-enhanced Raman spectroscopy (SERS) re-establishes the occurrence of DNA cleavage during cellular apoptosis. Furthermore, niloticin was observed to induce apoptosis through both intrinsic and extrinsic pathways. This was evidenced by the upregulation of upstream regulatory molecules such as CD40 and TNF, which facilitate the activation of caspase 8. Concurrently, niloticin-induced p53 activation augmented the expression of proapoptotic proteins Bax and Bcl-2 and downregulation of IAPs, leading to the release of cytochrome C and subsequent activation of caspase 9. Therefore, the reflection of mitochondrial-mediated apoptosis is in good agreement with molecular docking studies. Furthermore, the anti-metastatic potential was evidenced by wound area closure and Ki67 expression patterns. This pivotal in vitro assessment confirms the possibility of niloticin being a potent anti-cancer drug candidate, and to the best of our knowledge, this is the first comprehensive anticancer assessment of niloticin in HeLa cells.
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Affiliation(s)
- Anuja Gracy Joseph
- CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Chemical Sciences and Technology Division (CSTD), Organic Chemistry Section Industrial Estate Thiruvananthapuram 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Mohanan Biji
- CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Chemical Sciences and Technology Division (CSTD), Organic Chemistry Section Industrial Estate Thiruvananthapuram 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Vishnu Priya Murali
- CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Chemical Sciences and Technology Division (CSTD), Organic Chemistry Section Industrial Estate Thiruvananthapuram 695019 India
| | - Daisy R Sherin
- School of Digital Sciences, Kerala University of Digital Sciences, Innovation and Technology Thiruvananthapuram-695317 India
| | - Alisha Valsan
- CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Chemical Sciences and Technology Division (CSTD), Organic Chemistry Section Industrial Estate Thiruvananthapuram 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Vimalkumar P Sukumaran
- CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Chemical Sciences and Technology Division (CSTD), Organic Chemistry Section Industrial Estate Thiruvananthapuram 695019 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Kokkuvayil Vasu Radhakrishnan
- CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Chemical Sciences and Technology Division (CSTD), Organic Chemistry Section Industrial Estate Thiruvananthapuram 695019 India
| | - Kaustabh Kumar Maiti
- CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Chemical Sciences and Technology Division (CSTD), Organic Chemistry Section Industrial Estate Thiruvananthapuram 695019 India
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Ragavendran K, Selvakumaran J, MuthuKanagavel M, Ignacimuthu S, Alharbi NS, Thiruvengadam M, Mutheeswaran S, Ganesan P. Effect of Mosquitocidal, histopathological alteration and non target effects of Sigesbeckia orientalis L. on Anopheles stephensi Liston, Culex quinquefasciatus say and Aedes aegypti L. Vet Parasitol Reg Stud Reports 2024; 49:100997. [PMID: 38462302 DOI: 10.1016/j.vprsr.2024.100997] [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: 11/13/2023] [Revised: 01/23/2024] [Accepted: 01/31/2024] [Indexed: 03/12/2024]
Abstract
Diseases transmitted by vectors have a significant collision on society and community health, particularly in tropical and subtropical regions, where they can cause large-scale outbreaks shortly after initial transmission. The intent of this investigation was to study the plant extract derived from Sigesbeckia orientalis L. in controlling the immature stages of Anopheles, Culex and Aedes mosquitoes, while also considering its potential toxicity to ecosystems. The immature stages were exposed to different extracts (62.5-500 ppm), and the mortality of larvae and pupae, as well as ovicidal activity, were noted after 24 and 120 h of the experiment. The hexane and ethyl aceate extract of S. orientalis presented 100% ovicidal activity against the eggs of Anopheles, Aedes and Culex at 500 ppm concentration after 5 days of treatment. The hexane and ethylacetate extracts presented strong larvicidal activity with LC50 values of 215.7, 332.0, 197.4 and 212.6, 694.9 and 201.7 ppm against treated mosquitoes at 24 h, respectively. The same extract also presented promising pupicidal activity. The LC50 values of hexane extract were 219.6, 353.6, 194.2 and LC50 values of ethyl acetate were 257.6, 387.8 and 259.07 ppm against early stage pupae of three vector mosquitoes, respectively. The extracts from S. orientalis had strong inhibitory activity against growth and development of mosquitoes. SI/PSF values showed that the extracts of S. orientalis did not harm Poecilia reticulata, Diplonychus indicus (Water bug), Gambusia affinis and dragon fly nymph at tested concentrations. Furthermore, examinations of histopathology and growth disruption revealed significant damage to the midgut cells in the treated larvae. The formulations utilizing hexane and ethyl acetate extracts exhibited potent activity without posing any toxicity towards non-target organisms. This study clearly indicated that hexane and ethylacetate extracts showed promising results against treated mosquitoes. The present study documents the first report of the extracts from S. orientalis and they can be further assessed to identify compounds for application purposes.
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Affiliation(s)
- Kamaraj Ragavendran
- Interdisciplinary Research Centre in Biology, Xavier Research Foundation, St. Xavier's College (Manonmaniam Sundaranar University), Palayamkottai, Tirunelveli, Tamilnadu, India
| | - Jeyaraj Selvakumaran
- Interdisciplinary Research Centre in Biology, Xavier Research Foundation, St. Xavier's College (Manonmaniam Sundaranar University), Palayamkottai, Tirunelveli, Tamilnadu, India
| | - Mariappan MuthuKanagavel
- Interdisciplinary Research Centre in Biology, Xavier Research Foundation, St. Xavier's College (Manonmaniam Sundaranar University), Palayamkottai, Tirunelveli, Tamilnadu, India
| | - Savarimuthu Ignacimuthu
- Interdisciplinary Research Centre in Biology, Xavier Research Foundation, St. Xavier's College (Manonmaniam Sundaranar University), Palayamkottai, Tirunelveli, Tamilnadu, India; The Anna and Donald Waite Chair, Creighton University, Omaha, United States of America.
| | - Naiyf S Alharbi
- Department of Botany and Microbiology, College of Science, King Saud University, P. O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Muthu Thiruvengadam
- Department of Crop Science, College of Sanghuh Life Sciences, Konkuk University, Seoul 05029, South Korea
| | - Subramanian Mutheeswaran
- Interdisciplinary Research Centre in Biology, Xavier Research Foundation, St. Xavier's College (Manonmaniam Sundaranar University), Palayamkottai, Tirunelveli, Tamilnadu, India
| | - Pathalam Ganesan
- Interdisciplinary Research Centre in Biology, Xavier Research Foundation, St. Xavier's College (Manonmaniam Sundaranar University), Palayamkottai, Tirunelveli, Tamilnadu, India.
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Bava R, Castagna F, Ruga S, Nucera S, Caminiti R, Serra M, Bulotta RM, Lupia C, Marrelli M, Conforti F, Statti G, Domenico B, Palma E. Plants and Their Derivatives as Promising Therapeutics for Sustainable Control of Honeybee ( Apis mellifera) Pathogens. Pathogens 2023; 12:1260. [PMID: 37887776 PMCID: PMC10610010 DOI: 10.3390/pathogens12101260] [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: 09/12/2023] [Revised: 10/08/2023] [Accepted: 10/18/2023] [Indexed: 10/28/2023] Open
Abstract
The most important pollinator for agricultural crops is the Western honeybee (Apis mellifera). During the winter and summer seasons, diseases and stresses of various kinds endanger honeybee numbers and production, resulting in expenses for beekeepers and detrimental effects on agriculture and ecosystems. Researchers are continually in search of therapies for honeybees using the resources of microbiology, molecular biology, and chemistry to combat diseases and improve the overall health of these important pollinating insects. Among the most investigated and most promising solutions are medicinal plants and their derivatives. The health of animals and their ability to fight disease can be supported by natural products (NPs) derived from living organisms such as plants and microbes. NPs contain substances that can reduce the effects of diseases by promoting immunity or directly suppressing pathogens, and parasites. This literature review summarises the advances that the scientific community has achieved over the years regarding veterinary treatments in beekeeping through the use of NPs. Their impact on the prevention and control of honeybee diseases is investigated both in trials that have been conducted in the laboratory and field studies.
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Affiliation(s)
- Roberto Bava
- Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy; (R.B.); (S.R.); (S.N.); (R.C.); (M.S.); (R.M.B.); (B.D.); (E.P.)
| | - Fabio Castagna
- Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy; (R.B.); (S.R.); (S.N.); (R.C.); (M.S.); (R.M.B.); (B.D.); (E.P.)
| | - Stefano Ruga
- Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy; (R.B.); (S.R.); (S.N.); (R.C.); (M.S.); (R.M.B.); (B.D.); (E.P.)
| | - Saverio Nucera
- Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy; (R.B.); (S.R.); (S.N.); (R.C.); (M.S.); (R.M.B.); (B.D.); (E.P.)
| | - Rosamaria Caminiti
- Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy; (R.B.); (S.R.); (S.N.); (R.C.); (M.S.); (R.M.B.); (B.D.); (E.P.)
| | - Maria Serra
- Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy; (R.B.); (S.R.); (S.N.); (R.C.); (M.S.); (R.M.B.); (B.D.); (E.P.)
| | - Rosa Maria Bulotta
- Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy; (R.B.); (S.R.); (S.N.); (R.C.); (M.S.); (R.M.B.); (B.D.); (E.P.)
| | - Carmine Lupia
- Mediterranean Ethnobotanical Conservatory, Sersale (CZ), 88054 Catanzaro, Italy;
- National Ethnobotanical Conservatory, Castelluccio Superiore, 85040 Potenza, Italy
| | - Mariangela Marrelli
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, 87036 Cosenza, Italy; (M.M.); (F.C.); (G.S.)
| | - Filomena Conforti
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, 87036 Cosenza, Italy; (M.M.); (F.C.); (G.S.)
| | - Giancarlo Statti
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, 87036 Cosenza, Italy; (M.M.); (F.C.); (G.S.)
| | - Britti Domenico
- Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy; (R.B.); (S.R.); (S.N.); (R.C.); (M.S.); (R.M.B.); (B.D.); (E.P.)
| | - Ernesto Palma
- Department of Health Sciences, University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy; (R.B.); (S.R.); (S.N.); (R.C.); (M.S.); (R.M.B.); (B.D.); (E.P.)
- Department of Health Sciences, Institute of Research for Food Safety & Health (IRC-FISH), University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy
- Nutramed S.c.a.r.l., Complesso Ninì Barbieri, Roccelletta di Borgia, 88021 Catanzaro, Italy
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Patel K, Akbari D, Pandya RV, Trivedi J, Mevada V, Wanale SG, Patel R, Yadav VK, Tank JG, Sahoo DK, Patel A. Larvicidal proficiency of volatile compounds present in Commiphora wightii gum extract against Aedes aegypti (Linnaeus, 1762). FRONTIERS IN PLANT SCIENCE 2023; 14:1220339. [PMID: 37711311 PMCID: PMC10499046 DOI: 10.3389/fpls.2023.1220339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 08/07/2023] [Indexed: 09/16/2023]
Abstract
Aedes mosquitoes are the major cause of several vector-borne diseases in tropical and subtropical regions. Synthetic pesticides against these mosquitoes have certain limitations; hence, natural, eco-friendly, and safe larvicides obtained from plant resources are used to overcome these. In the present study, the larvicidal efficiency of Commiphora wightii against the fourth instar stage of the dengue fever mosquito Aedes aegypti (Linnaeus, 1762) was studied. The gum resin of C. wightii was collected using the borehole tapping method, and hexane extracts in different concentrations were prepared. The fourth-instar larvae were exposed to the extracts, and percent mortality, as well as LC20, LC50, and LC90, was calculated. Volatile compounds of the hexane gum extract were analyzed by Headspace GC/MS, and the sequence of the acetylcholine, Gamma-aminobutyric acid (GABA) receptor, and octopamine receptor subunit of A. aegypti was obtained. It was found that the hexane gum extract was toxic and lethal for larvae at different concentrations. Minimum mortality was observed at 164 µg mL-1 (10%/h), while maximum mortality was at 276 µg mL-1 (50%/h). The lethal concentrations LC20, LC50, and LC90 were 197.38 µg mL-1, 294.13 µg mL-1, and 540.15 µg mL-1, respectively. The GC/MS analysis confirmed the presence of diterpenes, monoterpenes, monoterpene alcohol, and sesquiterpenes in the gum samples, which are lethal for larvae due to their inhibitory activity on the acetylcholinesterase enzyme, GABA receptor, and octopamine receptor subunit. The use of commonly occurring plant gum for the control of mosquitoes was explored, and it was found that the gum of C. wightii had larvicidal activities and could be potentially insecticidal.
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Affiliation(s)
- Krupal Patel
- Marine Biodiversity and Ecology Laboratory, Department of Zoology, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara, Gujarat, India
| | - Divya Akbari
- University Grants Commission-Career Advancement Scheme (UGC-CAS) Department of Biosciences, Saurashtra University, Rajkot, Gujarat, India
| | - Rohan V. Pandya
- Department of Microbiology, Atmiya University, Rajkot, Gujarat, India
| | - Jigneshkumar Trivedi
- Department of Life Sciences, Hemchandracharya North Gujarat University, Patan, Gujarat, India
| | - Vishal Mevada
- DNA Division, Directorate of Forensic Science, Gandhinagar, India
| | - Shivraj Gangadhar Wanale
- School of Chemical Sciences, Swami Ramanand Teerth Marathwada University, Nanded, Maharashtra, India
| | - Rajesh Patel
- Department of Biosciences, Veer Narmad South Gujarat University, Surat, India
| | - Virendra Kumar Yadav
- Department of Life Sciences, Hemchandracharya North Gujarat University, Patan, Gujarat, India
| | - Jigna G. Tank
- University Grants Commission-Career Advancement Scheme (UGC-CAS) Department of Biosciences, Saurashtra University, Rajkot, Gujarat, India
| | - Dipak Kumar Sahoo
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
| | - Ashish Patel
- Department of Life Sciences, Hemchandracharya North Gujarat University, Patan, Gujarat, 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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Bava R, Castagna F, Palma E, Marrelli M, Conforti F, Musolino V, Carresi C, Lupia C, Ceniti C, Tilocca B, Roncada P, Britti D, Musella V. Essential Oils for a Sustainable Control of Honeybee Varroosis. Vet Sci 2023; 10:vetsci10050308. [PMID: 37235392 DOI: 10.3390/vetsci10050308] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/13/2023] [Accepted: 04/20/2023] [Indexed: 05/28/2023] Open
Abstract
The Varroa destructor parasite is the main obstacle to the survival of honey bee colonies. Pest control mainly involves the use of synthetic drugs which, used with the right criteria and in rotation, are able to ensure that infestation levels are kept below the damage threshold. Although these drugs are easy to use and quick to apply, they have numerous disadvantages. Their prolonged use has led to the emergence of pharmacological resistance in treated parasite populations; furthermore, the active ingredients and/or their metabolites accumulate in the beehive products with the possibility of risk for the end consumer. Moreover, the possibility of subacute and chronic toxicity phenomena for adult honeybees and their larval forms must be considered. In this scenario, eco-friendly products derived from plant species have aroused great interest over the years. In recent decades, several studies have been carried out on the acaricidal efficacy of plant essential oils (EOs). Despite the swarming of laboratory and field studies, however, few EO products have come onto the market. Laboratory studies have often yielded different results even for the same plant species. The reason for this discrepancy lies in the various study techniques employed as well as in the variability of the chemical compositions of plants. The purpose of this review is to take stock of the research on the use of EOs to control the V. destructor parasite. It begins with an extensive discussion of the characteristics, properties, and mechanisms of action of EOs, and then examines the laboratory and field tests carried out. Finally, an attempt is made to standardize the results and open up new lines of study in future.
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Affiliation(s)
- Roberto Bava
- Department of Health Sciences, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
- Interdepartmental Center Veterinary Service for Human and Animal Health, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
| | - Fabio Castagna
- Department of Health Sciences, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
- Interdepartmental Center Veterinary Service for Human and Animal Health, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
| | - Ernesto Palma
- Department of Health Sciences, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
- Department of Health Sciences, Institute of Research for Food Safety & Health (IRC-FISH), University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy
- Nutramed S.c.a.r.l., Complesso Ninì Barbieri, Roccelletta di Borgia, 88021 Catanzaro, Italy
| | - Mariangela Marrelli
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, 87036 Cosenza, Italy
| | - Filomena Conforti
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, 87036 Cosenza, Italy
| | - Vincenzo Musolino
- Pharmaceutical Biology Laboratory, Department of Health Sciences, Institute of Research for Food Safety & Health (IRC-FISH), University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy
| | - Cristina Carresi
- Department of Health Sciences, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
- Pharmaceutical Biology Laboratory, Department of Health Sciences, Institute of Research for Food Safety & Health (IRC-FISH), University of Catanzaro Magna Græcia, 88100 Catanzaro, Italy
| | - Carmine Lupia
- Mediterranean Etnobotanical Conservatory, Sersale (CZ), 88054 Catanzaro, Italy
- National Etnobotanical Conservatory, Castelluccio Superiore, 85040 Potenza, Italy
| | - Carlotta Ceniti
- Department of Health Sciences, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
- Interdepartmental Center Veterinary Service for Human and Animal Health, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
| | - Bruno Tilocca
- Department of Health Sciences, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
- Interdepartmental Center Veterinary Service for Human and Animal Health, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
| | - Paola Roncada
- Department of Health Sciences, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
- Interdepartmental Center Veterinary Service for Human and Animal Health, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
| | - Domenico Britti
- Department of Health Sciences, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
- Interdepartmental Center Veterinary Service for Human and Animal Health, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
| | - Vincenzo Musella
- Department of Health Sciences, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
- Interdepartmental Center Veterinary Service for Human and Animal Health, University of Catanzaro Magna Græcia, CISVetSUA, 88100 Catanzaro, Italy
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Chen G, Liu C, Zhang M, Wang X, Xu Y. Niloticin binds to MD-2 to promote anti-inflammatory pathway activation in macrophage cells. Int J Immunopathol Pharmacol 2022; 36:3946320221133017. [PMID: 36314579 PMCID: PMC9629566 DOI: 10.1177/03946320221133017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
OBJECTIVES Niloticin is an active compound isolated from Cortex phellodendri with uncharacterized anti-inflammatory activity. We assessed the drug potential of niloticin and examined its ability to target myeloid differentiation protein 2 (MD-2) to ascertain the mechanism for its anti-inflammatory activity. METHODS The Traditional Chinese Medicine Systems Pharmacology Database was used to evaluate niloticin. Bio-layer interferometry and molecular docking technologies were used to explore how niloticin targets MD-2, which mediates a series of toll-like receptor 4 (TLR4)-dependent inflammatory responses. The cytokines involved in the lipopolysaccharide (LPS)-TLR4/MD-2-NF-κB pathway were evaluated using ELISA, RT-qPCR, and western blotting. RESULTS Niloticin could bind to MD-2 and had no evident effects on cell viability. Niloticin treatment significantly decreased the levels of NO, IL-6, TNF-α, and IL-1β induced by LPS (p < 0.01). IL-1β, IL-6, iNOS, TNF-α, and COX-2 mRNA expression levels were decreased by niloticin (all p < 0.01). Compared with that in the control group, the increase in TLR4, p65, MyD88, p-p65, and iNOS expression levels induced by LPS were suppressed by niloticin (all p < 0.01). CONCLUSION Our results suggest that niloticin has therapeutic potential and binds to MD-2. Niloticin binding to MD-2 antagonized the effects of LPS binding to the TLR4/MD-2 complex, resulting in the inhibition of the LPS-TLR4/MD-2-NF-κB signaling pathway.
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Affiliation(s)
- Guirong Chen
- Hospital of the Joint Logistics Support Force of the Chinese People’s Liberation Army, Dalian, China,Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Chang Liu
- Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Mingbo Zhang
- Liaoning University of Traditional Chinese Medicine, Dalian, China
| | - Xiaobo Wang
- Hospital of the Joint Logistics Support Force of the Chinese People’s Liberation Army, Dalian, China,Xiaobo Wang, Hospital of the Joint Logistics Support Force of the Chinese People’s Liberation Army, Dalian, China.
| | - Yubin Xu
- Taizhou Central Hospital (Taizhou University Hospital), Taizhou, China,Yubin Xu, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, China.
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9
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Stalin A, Daniel Reegan A, Rajiv Gandhi M, Saravanan RR, Balakrishna K, Hesham AEL, Ignacimuthu S, Zhang Y. Mosquitocidal efficacy of embelin and its derivatives against Aedes aegypti L. and Culex quinquefasciatus Say. (Diptera: Culicidae) and computational analysis of acetylcholinesterase 1 (AChE1) inhibition. Comput Biol Med 2022; 146:105535. [PMID: 35487124 DOI: 10.1016/j.compbiomed.2022.105535] [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: 03/10/2022] [Revised: 04/13/2022] [Accepted: 04/14/2022] [Indexed: 11/18/2022]
Abstract
Embelin was isolated from the chloroform extract of Embelia ribes (Burm.f.) fruits; its derivative compounds 6-bromoembelin and vilangin were prepared, and they were evaluated for mosquitocidal activities against the third instar larvae and pupae of Aedes aegypti L. and Culex quinquefasciatus Say. (Diptera: Culicidae). The concentrations used were 0.5, 1.0, 1.5, and 2.0 ppm. Embelin recorded LC50 values of 5.79 and 5.54 ppm against the larvae of Ae. aegypti and Cx. quinquefasciatus, respectively. Similarly, the LC50 values of embelin were 10.23 and 6.93 ppm against the pupae of Ae. aegypti and Cx. quinquefasciatus, respectively. Of the two derivatives tested, vilangin showed the highest larvicidal activity with LC50 values of 1.38 and 1.28 ppm against the larvae of Ae. aegypti and Cx. quinquefasciatus, respectively. Similarly, the LC50 values of vilangin were 1.60 and 1.43 ppm against the pupae of Ae. aegypti and Cx. quinquefasciatus, respectively. The LC50 values of 6-bromoembelin were 3.30 and 2.83 ppm against the larvae and 4.40 and 4.30 ppm against the pupae of Ae. aegypti and Cx. quinquefasciatus, respectively. The histopathological results displayed significant damage on cuboidal cells of the midgut (CU) in vilangin treated larvae of Ae. aegypti and Cx. quinquefasciatus at a concentration of 2.0 ppm. Similarly, peritrophic membrane (PM) was completely impaired in vilangin-treated larvae of Cx. quinquefasciatus and midgut content (MC) was very low in vilangin-treated larvae of Cx. quinquefasciatus. In addition, molecular docking and molecular dynamics studies demonstrated the efficacy of vilangin on the inhibition of acetylcholinesterase (AChE1) in Ae. aegypti and Cx. quinquefasciatus. The present results suggest that vilangin could be used to develop a natural active product against mosquito larvae.
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Affiliation(s)
- Antony Stalin
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610 054, China.
| | - Appadurai Daniel Reegan
- National Centre for Disease Control, Bengaluru Branch, No:8, NTI Campus, Bellary Road, Bengaluru, 560 003, Karnataka, India; Xavier Research Foundation, St. Xavier's College, Affiliated to the Manonmaniam Sundaranar University, Palayamkottai, 627 002, Tamil Nadu, India.
| | - Munusamy Rajiv Gandhi
- National Biodiversity Authority, 5th Floor, CSIR Road, TICEL Bio Park, Taramani, Chennai, 600 113, India
| | - R R Saravanan
- Department of Physics, Meenakshi Chandrasekaran College of Arts and Science, Karambayam, Pattukkottai, Thanjavur, 614 626, India
| | - Kedike Balakrishna
- Entomology Research Institute, Loyola College, Affiliated to the University of Madras, Chennai, 600 034, Tamil Nadu, India
| | - Abd El-Latif Hesham
- Genetics Department, Faculty of Agriculture, Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Savarimuthu Ignacimuthu
- Xavier Research Foundation, St. Xavier's College, Affiliated to the Manonmaniam Sundaranar University, Palayamkottai, 627 002, Tamil Nadu, India
| | - Ying Zhang
- Department of Anesthesiology, Hospital (T.C.M) Affiliated To Southwest Medical University, Luzhou, China.
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10
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Subramaniyan S, Pathalam G, Antony S, Michael GP, Samuel R, Kedike B, Sekar A, Boovaragamurthy A, Osamu S, Mahmoud AH, Mohammed OB, Savarimuthu I. Mosquitocidal effect of monoterpene ester and its acetyl derivative from Blumea mollis (D. Don) Merr against Culex quinquefasciatus (Diptera: Culicidae) and their insilico studies. Exp Parasitol 2021; 223:108076. [PMID: 33460625 DOI: 10.1016/j.exppara.2021.108076] [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: 12/18/2019] [Revised: 10/18/2020] [Accepted: 01/10/2021] [Indexed: 10/22/2022]
Abstract
The present study was conducted to assess the mosquitocidal efficiency of compound isolated from Blumea mollis (D. Don) Merr against Culex quinquefasciatus. Eggs and larvae of Cx. uinquefasciatus were exposed to different concentrations 0.5, 1.0, 1.5 and 2.0 ppm of compounds prepared using DMSO. Compound 1 was identified as (4R, 5S)-4-hydroxy-7-tigloyloxy carvotanacetone, from which new derivative was synthesized and confirmed as (4R, 5S)-4-acetoxy-7-tigloyloxy carvotanacetone. Both the compounds presented larvicidal and ovicidal activities. Compounds 1 and 2 at 2-ppm concentration showed 64% and 78% larval mortality in 24 h, respectively. The LC50and LC90values of compounds 1 and 2 on Cx. quinquefasciatus larvae were 1.73, 1.27 and 4.59, 3.33 ppm, respectively. The eluted compound 1 and synthesized compound 2 presented 68% and 77% of ovicidal activity, respectively, against eggs of Cx. quinquefasciatus at 120 h post-treatment. Histopathological studies of the compound-treated larvae revealed serious damage on the larval midgut cells. Furthermore, compounds 1 and 2 was tested for toxicity study and the results showed both the compounds were found to be harmless to non-target organism Poecilia reticulata. Computational analysis of compound 2 showed strong binding interaction with the AChE1 of Cx. quinquefasciatus. These results clearly suggest that compounds from Blumea mollis could act as good mosquitocidal agents against Cx.quinquefasciatus and compound 2 was first time reported.
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Affiliation(s)
| | - Ganesan Pathalam
- Entomology Research Institute, Loyola College (University of Madras), Chennai 600 034, India.
| | - Stalin Antony
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China; Department of Traditional Chinese Medicine, Zhejiang A&F University, Hangzhou 311300, China.
| | - Gabriel Paulraj Michael
- Entomology Research Institute, Loyola College (University of Madras), Chennai 600 034, India.
| | - Rajan Samuel
- Entomology Research Institute, Loyola College (University of Madras), Chennai 600 034, India.
| | - Balakrishna Kedike
- Entomology Research Institute, Loyola College (University of Madras), Chennai 600 034, India.
| | - Anand Sekar
- Entomology Research Institute, Loyola College (University of Madras), Chennai 600 034, India.
| | - Ahilan Boovaragamurthy
- Entomology Research Institute, Loyola College (University of Madras), Chennai 600 034, India.
| | - Shirota Osamu
- Laboratory of Pharmacognosy and Natural Products Chemistry, Kagawa School of Pharmaceutical Sciences, Tokushima Bunri University, Japan.
| | - Ahmed Hossam Mahmoud
- Department Zoology, College of Science, King Saud University, P.O Box 2455, Riyadh 11451, Saudi Arabia.
| | - Osama B Mohammed
- Department Zoology, College of Science, King Saud University, P.O Box 2455, Riyadh 11451, Saudi Arabia.
| | - Ignacimuthu Savarimuthu
- Entomology Research Institute, Loyola College (University of Madras), Chennai 600 034, India; Xavier Research Foundation, St Xavier's College, Palayamkottai 627002, India.
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Castillo-Morales RM, Carreño Otero AL, Mendez-Sanchez SC, Da Silva MAN, Stashenko EE, Duque JE. Mitochondrial affectation, DNA damage and AChE inhibition induced by Salvia officinalis essential oil on Aedes aegypti larvae. Comp Biochem Physiol C Toxicol Pharmacol 2019; 221:29-37. [PMID: 30905844 DOI: 10.1016/j.cbpc.2019.03.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 03/11/2019] [Accepted: 03/19/2019] [Indexed: 11/29/2022]
Abstract
The aim of this research study was to understand the mechanism of action of Salvia officinalis (Lamiaceae) essential oil (EO) on Aedes aegypti larvae. We evaluated the effect on DNA damage, acetylcholinesterase (AChE) inhibition and mitochondrial enzymatic alterations. The major components were analyzed in silico using OSIRIS and Molispiration free software. Aedes aegypti DNA was extracted from mosquito larvae between third (L3) and fourth (L4) instars to determine the DNA fragmentation or degradation at S. officinalis EO lethal concentrations (LC10, LC20, LC50, and LC90). DNA integrity was assessed in both LCs in larvae treated for 24 h and in larvae homogenized with EO; we also assessed purified DNA larvae by a densitometric analysis. The AChE inhibition was quantified in protein larvae L3-L4 following Ellman's method and the enzymatic activities related to the mitochondrial respiratory chain of mitochondrial proteins was estimated by spectrophotometry. In silico analysis of 1,8-cineol and of α-thujone, major EO components, showed that they were highly permeable in biological membranes without mutagenic risks. Alterations in the integrity of DNA were observed in larvae exposed and homogenized with S. officinalis EO. The EO induced an AChE inhibition of 37 ± 2.6% to IC50. On the other hand, mitochondrial bioenergetics suggest that EO inhibits electrons entry to the respiratory chain, via Complex II. AChE activity alteration causes mortality of individuals, by blocking the insect cholinergic functions. These results indicate that EO affects the integrity of DNA, the mitochondrial respiration chain and the AChE activity.
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Affiliation(s)
- Ruth Mariela Castillo-Morales
- Centro de Investigaciones en Enfermedades Tropicales - CINTROP, Facultad de Salud, Escuela de Medicina, Departamento de Ciencias Básicas, Universidad Industrial de Santander, Bucaramanga, Santander, Colombia
| | - Aurora L Carreño Otero
- Laboratorio de Química Orgánica y Biomolecular-LQOBio, Facultad de Ciencias, Escuela de Química, Centro de Investigaciónes en Enfermedades Tropicales - CINTROP, Facultad de Salud, Escuela de Medicina, Departamento de Ciencias Básicas, Universidad Industrial de Santander, Bucaramanga, Colombia.
| | - Stelia Carolina Mendez-Sanchez
- Grupo de Investigación en Bioquímica y Microbiología-GIBIM, Escuela de Química, Universidad Industrial de Santander, Bucaramanga, Colombia.
| | - Mario Antônio Navarro Da Silva
- Laboratório de Morfologia e Fisiologia de Culicidae e Chironomidae, Universidade Federal do Paraná, Departamento de Zoología, Pós-graduação em Entomología, PO Box 19020, 81531-980 Curitiba, Paraná, Brazil.
| | - Elena E Stashenko
- Centro de Investigación en Biomoléculas-CIBIMOL, Centro Nacional de Investigación para la Agroindustrialización de Plantas Aromáticas y Medicinales Tropicales - CENIVAM, Escuela de Química, Universidad Industrial de Santander, Bucaramanga, Santander, Colombia.
| | - Jonny E Duque
- Centro de Investigaciones en Enfermedades Tropicales - CINTROP, Facultad de Salud, Escuela de Medicina, Departamento de Ciencias Básicas, Universidad Industrial de Santander Parque Tecnológico y de Investigaciones Guatiguara, Km 2 Vía El Refugio, Piedecuesta, Santander, Colombia.
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12
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Ganesan P, Stalin A, Gabriel Paulraj M, Balakrishna K, Ignacimuthu S, Abdullah Al-Dhabi N. Biocontrol and non-target effect of fractions and compound isolated from Streptomyces rimosus on the immature stages of filarial vector Culex quinquefasciatus Say (Diptera: Culicidae) and the compound interaction with Acetylcholinesterase (AChE1). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 161:120-128. [PMID: 29879572 DOI: 10.1016/j.ecoenv.2018.05.061] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 04/20/2018] [Accepted: 05/23/2018] [Indexed: 06/08/2023]
Abstract
The present study was aimed to check the mosquitocidal activity of intracellular methanol extract fractions and the compound di (2-ethylhexyl) phthalate isolated from Streptomyces rimosus. The isolated compound was also analyzed for its interaction with Acetylcholinesterase (AChE1). The larvae and eggs of Culex quinquefasciatus were exposed to four different concentrations such as 2.5, 5.0, 7.5 and 10 ppm for fractions and 0.5, 1.0, 1.5 and 2.0 ppm for compound. After 24 and 120 h post treatment, the larval mortality and ovicidal activity were recorded. Fractions collected from the intracellular methanol extract were tested for larvicidal activity; among them Fraction 4 was found to be the active fraction. Fraction 4 showed 74% larvicidal activity with LC50 and LC90 values of 6.9 and 17.2 ppm, respectively, in 24 h against the larvae of Cx. quinquefasciatus. Fraction 4 showed 95% ovicidal activity at 10 ppm concentration after 120 h post treatment. The eluted compound di(2-ethylhexyl) phthalate was highly toxic and exhibited promising activity against the eggs of Cx. quinquefasciatus. The compound presented 94% ovicidal activity at 2.0 ppm concentration after 120 h post treatment. The larvae of Cx. quinquefasciatus were exposed to di(2-ethylhexyl) phthalate which showed good activity in a concentration-dependent manner. The compound showed 76% larvicidal activity against the larvae of Cx. quinquefasciatus with LC50 and LC90 values of 1.22 and 3.28 ppm, respectively, at 2 ppm concentration in 24 h. Fraction 4 and the compound were subjected to toxicity study against non-target organism and were found to be nontoxic. The present studies revealed that the treated larvae showed serious damage in the midgut cells. Growth disruption and larval deformities were observed in compound-treated larvae. The compound was highly active and inhibited AChE in a concentration-dependent manner. Computational analysis of the compound had strong interaction with AChE1 of Cx. quinquefasciatus. These results clearly showed that Fraction 4 and the compound isolated from S. rimosus can be used to control the life stages of Cx. quinquefasciatus; it will be a good alternative to synthetic insecticides.
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Affiliation(s)
- Pathalam Ganesan
- Division of Vector Control, Entomology Research Institute, Loyola College, Chennai 600034, India
| | - Antony Stalin
- Division of Bioinformatics, Entomology Research Institute, Loyola College, Chennai 600034, India; Centre for Advanced Studies in Botany, University of Madras, Guindy Campus, Chennai 600025, India
| | - Micheal Gabriel Paulraj
- Division of Vector Control, Entomology Research Institute, Loyola College, Chennai 600034, India
| | - Kedike Balakrishna
- Division of Vector Control, Entomology Research Institute, Loyola College, Chennai 600034, India
| | - Savarimuthu Ignacimuthu
- Division of Vector Control, Entomology Research Institute, Loyola College, Chennai 600034, India; International Scientific Partnership Program, King Saud University, Riyadh, Saudi Arabia.
| | - Naif Abdullah Al-Dhabi
- Department of Botany and Microbiology, Addiriyah Chair for Environmental Studies College of Science, King Saud University, P.O. BOX 2455, Riyadh 11451, Saudi Arabia
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13
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Effect of compound isolated from Lawsonia inermis (L.) (Myrtales: Lythraceae) on the immature stages of filarial vector Culex quinquefasciatus Say (Diptera: Culicidae) and its docking analysis with Acetylcholinesterase (AChE1). BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2018. [DOI: 10.1016/j.bcab.2018.06.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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14
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Jankowska M, Rogalska J, Wyszkowska J, Stankiewicz M. Molecular Targets for Components of Essential Oils in the Insect Nervous System-A Review. Molecules 2017; 23:E34. [PMID: 29295521 PMCID: PMC5943938 DOI: 10.3390/molecules23010034] [Citation(s) in RCA: 143] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 12/18/2017] [Accepted: 12/21/2017] [Indexed: 12/29/2022] Open
Abstract
Essential oils (EOs) are lipophilic secondary metabolites obtained from plants; terpenoids represent the main components of them. A lot of studies showed neurotoxic actions of EOs. In insects, they cause paralysis followed by death. This feature let us consider components of EOs as potential bioinsecticides. The inhibition of acetylcholinesterase (AChE) is the one of the most investigated mechanisms of action in EOs. However, EOs are rather weak inhibitors of AChE. Another proposed mechanism of EO action is a positive allosteric modulation of GABA receptors (GABArs). There are several papers that prove the potentiation of GABA effect on mammalian receptors induced by EOs. In contrast, there is lack of any data concerning the binding of EO components in insects GABArs. In insects, EOs act also via the octopaminergic system. Available data show that EOs can increase the level of both cAMP and calcium in nervous cells. Moreover, some EO components compete with octopamine in binding to its receptor. Electrophysiological experiments performed on Periplaneta americana have shown similarity in the action of EO components and octopamine. This suggests that EOs can modify neuron activity by octopamine receptors. A multitude of potential targets in the insect nervous system makes EO components interesting candidates for bio-insecticides.
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Affiliation(s)
- Milena Jankowska
- Department of Biophysics, Faculty of Biology and Environmental Protection, Nicolaus Copernicus University, Toruń, Poland; Lwowska 1, 87-100 Toruń, Poland.
| | - Justyna Rogalska
- Department of Animal Physiology, Faculty of Biology and Environmental Protection, Nicolaus Copernicus University, Toruń, Poland; Lwowska 1, 87-100 Toruń, Poland.
| | - Joanna Wyszkowska
- Department of Biophysics, Faculty of Biology and Environmental Protection, Nicolaus Copernicus University, Toruń, Poland; Lwowska 1, 87-100 Toruń, Poland.
| | - Maria Stankiewicz
- Department of Biophysics, Faculty of Biology and Environmental Protection, Nicolaus Copernicus University, Toruń, Poland; Lwowska 1, 87-100 Toruń, Poland.
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