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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. Environ Sci Pollut Res Int 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] [What about the content of this article? (0)] [Affiliation(s)] [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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Kamaraj C, Karthi S, Reegan AD, Balasubramani G, Ramkumar G, Kalaivani K, Zahir AA, Deepak P, Senthil-Nathan S, Rahman MM, Md Towfiqul Islam AR, Malafaia G. Green synthesis of gold nanoparticles using Gracilaria crassa leaf extract and their ecotoxicological potential: Issues to be considered. Environ Res 2022; 213:113711. [PMID: 35728640 DOI: 10.1016/j.envres.2022.113711] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 06/02/2022] [Accepted: 06/14/2022] [Indexed: 06/15/2023]
Abstract
The use of vegetal species for gold nanoparticles (AuNPs) biosynthesis can constitute an alternative to replacing the extensive use of several hazardous chemicals commonly used during NPs synthesis and, therefore, can reduce biological impacts induced by the release of these products into the natural environment. However, the "green nanoparticles" and/or "eco-friendly nanoparticles" label does not ensure that biosynthesized NPs are harmless to non-target organisms. Thus, we aimed to synthesize AuNPs from seaweed Gracilaria crassa aqueous extract through an eco-friendly, fast, one-pot synthetic route. The formation of spherical, stable, polycrystalline NPs with a diameter of 32.0 nm ± 4.0 nm (mean ±SEM) was demonstrated by UV-vis spectroscopy, field emission scanning electron microscopy, and high-resolution transmission electron microscopy, energy-dispersive X-ray and X-ray diffraction measurement, and Fourier-transform infrared spectroscopy analysis. In addition, different phytocomponents were identified in the biosynthesized AuNPs, using Gas Chromatography-Mass Spectrometry (GC-MS). However, both G. crassa aqueous extract and the biosynthesized AuNPs showed high ecotoxicity in Anopheles stephensi larvae exposed to different concentrations. Therefore, our study supports the potential of seaweed G. crassa as a raw material source for AuNPs biosynthesis while also shedding light on its ecotoxicological potential, which necessitates consideration of its risk to aquatic biota.
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Affiliation(s)
- Chinnaperumal Kamaraj
- Interdisciplinary Institute of Indian System of Medicine (IIISM), Directorate of Research and Virtual Education, SRM Institute of Science and Technology (SRMIST), Kattankulathur, 603203, Tamil Nadu, India.
| | - Sengodan Karthi
- Division of Biopesticides and Environmental Toxicology, Sri Paramakalyani Centre for Excellence in Environmental Sciences, Manonmaniam Sundaranar University, Alwarkurichi, 627 412, Tirunelveli, Tamil Nadu, India.
| | - Appadurai Daniel Reegan
- National Center for Disease Control, Bengaluru Branch, No:08, NTI Campus, Bellary Road, Bengaluru, 560 003, Karnataka, India.
| | - Govindasamy Balasubramani
- Division of Research & Innovation, Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai, 602105, Tamil Nadu, India.
| | - Govindaraju Ramkumar
- Division of Biopesticides and Environmental Toxicology, Sri Paramakalyani Centre for Excellence in Environmental Sciences, Manonmaniam Sundaranar University, Alwarkurichi, 627 412, Tirunelveli, Tamil Nadu, India.
| | - Kandaswamy Kalaivani
- Post Graduate and Research Centre, Department of Zoology, Sri Parasakthi College for Women, Courtrallam, 627 802, Tirunelveli, Tamil Nadu, India.
| | - A Abduz Zahir
- Unit of Nanotechnology and Bioactive Natural Products, Post Graduate and Research Department of Zoology, C. Abdul Hakeem College (Autonomous), Melvisharam, 632 509, Vellore District, Tamil Nadu, India.
| | - Paramasivam Deepak
- Department of Biotechnology, Dr. N.G.P. Arts and Science College, Dr.N.G.P. - Kalapatti Road, Coimbatore, 641048, Tamil Nadu, India.
| | - Sengottayan Senthil-Nathan
- Division of Biopesticides and Environmental Toxicology, Sri Paramakalyani Centre for Excellence in Environmental Sciences, Manonmaniam Sundaranar University, Alwarkurichi, 627 412, Tirunelveli, Tamil Nadu, India.
| | - Md Mostafizur Rahman
- Department of Environmental Sciences, Jahangirnagar University, Dhaka, 1342, Bangladesh; Laboratory of Environmental Health and Ecotoxicology, Department of Environmental Sciences, Jahangirnagar University, Dhaka, 1342, Bangladesh
| | | | - Guilherme Malafaia
- Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil; Post-Graduation Programa in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil.
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Louis MRLM, Rani VP, Krishnan P, Reegan AD, Balakrishna K, Ignacimuthu S, Packiam SM, Maheswaran R, Shirota O. Mosquito Larvicidal Activity of Compounds from Unripe Fruit Peel of Avocado (Persea americana Mill.). Appl Biochem Biotechnol 2022; 195:2636-2647. [PMID: 35201599 DOI: 10.1007/s12010-022-03831-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 01/21/2022] [Indexed: 12/24/2022]
Abstract
Mosquitoes are important vectors responsible for spreading a number of diseases affecting both humans and animals. Many diseases as dengue, chikungunya, yellow fever, malaria, filariasis and Japanese encephalitis are spread by mosquitoes. There are many reports of plant extracts and their active constituents showing anti-mosquito activities as larvicidal, pupicidal, ovicidal and adulticidal activities. Persea americana Mill. (Lauraceae), known as avocado, has been reported to show many pharmacological and antimicrobial activities. In this communication, the mosquito larvicidal activities of the three-active constituents, avocadene, avocadyne and avocadenol-A, from the methanolic extract of the unripe fruit peel are presented. The three mosquito species studied were Aedes aegypti, Culex quinquefasciatus and Anopheles stephensi. All three compounds showed the highest larvicidal activity against An. stephensi, LC50 values being 2.80ppm for avocadene, 2.33ppm for avocadyne and 2.07ppm for avocadenol-A. Avocadene showed larvicidal activity of 3.73ppm against Ae. aegypti and 5.96ppm against Cx. quinquefasciatus. The LC50 value of avocadyne was 5.35ppm against Ae. aegypti and 3.98ppm against Cx. quinquefasciatus. Similarly, avocadenol-A showed 6.56ppm against Ae. aegypti and 2.35ppm against Cx. quinquefasciatus. The active constituents were isolated by bioactivity-guided fractionation by silica gel column chromatography and RP HPLC. The compounds were identified by physical and spectroscopic data and compared with literature values already reported.
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Affiliation(s)
- M R Lima Mirabel Louis
- PG & Research Department of Advanced Zoology & Biotechnology, Loyola Institute of Frontier Energy (LIFE), Loyola College, Affiliated to University of Madras, Chennai, Tamil Nadu, 600 034, India
| | - Vedham Pushpa Rani
- PG & Research Department of Advanced Zoology & Biotechnology, Loyola Institute of Frontier Energy (LIFE), Loyola College, Affiliated to University of Madras, Chennai, Tamil Nadu, 600 034, India.
| | - Padma Krishnan
- Department of Microbiology, Dr. ALM PG IBMS, University of Madras, Taramani, Chennai, Tamil Nadu, 600 113, India
| | - Appadurai Daniel Reegan
- National Centre for Disease Control, Bengaluru Branch, No:08, NTI Campus, Bellary Road, Bengaluru, Karnataka, 560 003, India
| | - Kedike Balakrishna
- Entomology Research Institute, Loyola College, Affiliated to University of Madras, Chennai, Tamil Nadu, 600 034, India
| | - Savarimuthu Ignacimuthu
- Xavier Research Foundation, St. Xavier's College, Affiliated to Manonmaniam Sundaranar University, Palayamkottai, Tamil Nadu, 627 002, India.
| | - Soosaimanickam Maria Packiam
- Entomology Research Institute, Loyola College, Affiliated to University of Madras, Chennai, Tamil Nadu, 600 034, India
| | - Rajan Maheswaran
- Department of Zoology, Periyar University, Periyar Palkalai Nagar, Salem, Tamil Nadu, 636 011, India
| | - Osamu Shirota
- Laboratory of Pharmacognosy and Natural Products Chemistry, Kagawa School of Pharmaceutical Sciences, Tokushima Bunri University, 1314-1 Shido, Sanuki City, Kagawa, 769-2193, Japan.
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Stalin A, Dhivya P, Lin D, Feng Y, Asharaja AC, Gandhi MR, Kannan BS, Kandhasamy S, Reegan AD, Chen Y. Synthesis, molecular docking and mosquitocidal efficacy of lawsone and its derivatives against the dengue vector Aedes aegypti L. (Diptera: Culicidae). Med Chem 2021; 18:170-180. [PMID: 34315380 DOI: 10.2174/1573406417666210727121654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 01/01/2021] [Accepted: 01/11/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Aedes aegypti is the primary dengue vector, a significant public health problem in many countries. Controlling the growth of Ae. aegypti is the biggest challenge in the mosquito control program, and there is a need for finding bioactive molecules to control Ae. aegypti in order to prevent dengue virus transmission. OBJECTIVE To assess the mosquitocidal property of lawsone and its 3-methyl-4H-chromen-3-yl-1-phenylbenzo[6,7]chromeno[2,3,c]pyrazole-dione derivatives (6a-6h) against various life stages of Ae. aegypti. Besides, to study the mode of action of the active compound by molecular docking and histopathological analysis. METHODS All derivatives were synthesized from the reaction between 2-hydroxy-1,4-naphthoquinone, chromene-3-carbaldehyde, and 1-phenyl-3-methyl-pyrazol-5-one by using one pot sequential multicomponent reaction. The mosquito life stages were subjected to diverse concentrations ranging from 1.25, 2.5, 5.0, and 10 ppm for lawsone and its derivatives. The structure of all synthesized compounds was characterized by spectroscopic analysis. Docking analysis was performed using autodock tools. Midgut sections of Ae. aegypti larvae were analyzed for histopathological effects. RESULTS Among the nine compounds screened, derivative 6e showed the highest mortality on Ae. aegypti life stages. The analyzed LC50 and LC90 results of derivative 6e were 3.01, 5.87 ppm, and 3.41, 6.28 ppm on larvae and pupae of Ae. aegypti, respectively. In the ovicidal assay, the derivative 6e recorded 47.2% egg mortality after 96-hour post-exposure to 10 ppm concentration. In molecular docking analysis, the derivative 6e confirmed strong binding interaction (-9.09 kcal/mol and -10.17 kcal/mol) with VAL 60 and HIS 62 of acetylcholinesterase 1 (AChE1) model and LYS 255, LYS 263 of kynurenine aminotransferase of Ae. aegypti, respectively. The histopathological results showed that the derivative 6e affected the columnar epithelial cells (CC) and peritrophic membrane (pM). CONCLUSION The derivative 6e is highly effective in the life stages of Ae. aegypti mosquito and it could be used in the integrated mosquito management programme.
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Affiliation(s)
- Antony Stalin
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China
| | - Paul Dhivya
- Department of Chemistry, Nirmala College for Women, Coimbatore 641018, Tamil Nadu, India
| | - Ding Lin
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China
| | - Yue Feng
- College of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Antony Cruz Asharaja
- P.G. and Research Department of Zoology, Pasumpon Muthuramalinga Thevar College, Melaneelithanallur 627 953, Sankarankovil, Tenkasi, Tamil Nadu, India
| | | | - Balakrishnan Senthamarai Kannan
- Department of Chemistry, Tirunelveli Dakshina Mara Nadar Sangam (T D M N S) College, Valliyur, Tirunelveli 627113, Tamil Nadu, India
| | - Subramani Kandhasamy
- Stem Cell and Molecular Biology Laboratory, Department of Biotechnology, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
| | - Appadurai Daniel Reegan
- National Centre for Disease Control, NTI Campus, Ballary Road, Bangalore 560003, Karnataka, India
| | - Yuan Chen
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China
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Reegan AD, Kumar PS, Asharaja AC, Devi C, Jameela S, Balakrishna K, Ignacimuthu S. Larvicidal and ovicidal activities of phenyl acetic acid isolated from Streptomyces collinus against Culex quinquefasciatus Say and Aedes aegypti L. (Diptera: Culicidae). Exp Parasitol 2021; 226-227:108120. [PMID: 34089701 DOI: 10.1016/j.exppara.2021.108120] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 03/26/2021] [Accepted: 05/30/2021] [Indexed: 11/19/2022]
Abstract
The bio-efficacy of crude ethyl acetate extract, fractions and a compound phenyl acetic acid from the ethyl acetate extract of Streptomyces collinus was evaluated on Culex quinquefasciatus Say and Aedes aegypti L. mosquitoes (Diptera: Culicidae). The larvae were exposed to concentrations of 2.5, 5.0, 7.5 and 10.0 ppm for fractions and 0.5, 1.0, 1.5 and 2.0 ppm for compound. After 24 h, the larval mortality was assessed and the LC₅₀ and LC90 values were calculated. Similarly, per cent ovicidal activity was calculated for eggs after 120 h post treatment for phenyl acetic acid. Among the eleven fractions screened, fraction 7 from the ethyl acetate extract of Streptomyces collinus exhibited good larvicidal activity against both mosquito species. The LC50 and LC90 values of fraction 7 were 4.42, 6.23 ppm against Cx. quinquefasciatus larvae and 5.13, 14.51 ppm against Ae. aegypti larvae, respectively. Further, the isolated compound, phenyl acetic acid from fraction 7 recorded 100% larvicidal activity at 2 ppm concentration with LC50 and LC90 values of 2.07, 4.87 ppm on Cx. quinquefasciatus larvae and 3.81, 9.87 ppm on Ae. aegypti larvae, respectively. Phenyl acetic acid presented 50.3% and 42.0% ovicidal activity against Cx. quinquefasciatus and Ae. aegypti eggs at 2 ppm concentration after 120 h post treatment. The compound, phenyl acetic acid could be used in mosquito control programme.
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Affiliation(s)
- Appadurai Daniel Reegan
- National Centre for Disease Control, NTI Campus, Bellary Road, Bangalore, 560 003, Karnataka, India.
| | - Pachaiyappan Saravana Kumar
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510 301, Guangdong, China.
| | - Antony Cruz Asharaja
- P.G. and Research Department of Zoology, Pasumpon Muthuramalinga Thevar College, Melaneelithanallur, Tenkasi, 627 953, Tamil Nadu, India
| | - Chitra Devi
- Department of Zoology, Sadakathullah Appa College (Autonomous), Rahmath Nagar, Tirunelveli, 627 011, Tamil Nadu, India
| | - Sithi Jameela
- Department of Zoology, Sadakathullah Appa College (Autonomous), Rahmath Nagar, Tirunelveli, 627 011, Tamil Nadu, India
| | - Kedike Balakrishna
- Entomology Research Institute, Loyola College, Chennai, 600 034, Tamil Nadu, India
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Gandhi MR, Reegan AD, Ganesan P, Sivasankaran K, Paulraj MG, Balakrishna K, Ignacimuthu S, Al-Dhabi NA. Larvicidal and Pupicidal Activities of Alizarin Isolated from Roots of Rubia cordifolia Against Culex quinquefasciatus Say and Aedes aegypti (L.) (Diptera: Culicidae). Neotrop Entomol 2016; 45:441-448. [PMID: 27004695 DOI: 10.1007/s13744-016-0386-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Accepted: 02/23/2016] [Indexed: 06/05/2023]
Abstract
The mosquitocidal activities of different fractions and a compound alizarin from the methanol extract of Rubia cordifolia roots were evaluated on larvae and pupae of Culex quinquefasciatus Say and Aedes aegypti (L.) (Diptera: Culicidae). Larvae and pupae were exposed to concentrations of 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 h, the mortality was assessed and the LC50 and LC90 values were estimated for larvae and pupae. Among the 23 fractions screened, fraction 2 from the methanol extract of R. cordifolia showed good mosquitocidal activity against C. quinquefasciatus and A. aegypti. LC50 and LC90 values of fraction 2 were 3.53 and 7.26 ppm for C. quinquefasciatus and 3.86 and 8.28 ppm for A. aegypti larvae, and 3.76 and 7.50 ppm for C. quinquefasciatus and 3.92 and 8.05 ppm for A. aegypti pupae, respectively. Further, the isolated compound alizarin presented good larvicidal and pupicidal activities. LC50 and LC90 values of alizarin for larvae were 0.81 and 3.86 ppm against C. quinquefasciatus and 1.31 and 6.04 ppm for A. aegypti larvae, respectively. Similarly, the LC50 and LC90 values of alizarin for pupae were 1.97 and 4.79 ppm for C. quinquefasciatus and 2.05 and 5.59 ppm for A. aegypti pupae, respectively. The structure of the isolated compound was identified on the basis of spectroscopic analysis and compared with reported spectral data. The results indicated that alizarin could be used as a potential larvicide and pupicide.
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Affiliation(s)
- M R Gandhi
- Division of Vector Control, Entomology Research Institute, Loyola College, Nungambakkam, Chennai, 600 034, Tamil Nadu, India
| | - A D Reegan
- Division of Vector Control, Entomology Research Institute, Loyola College, Nungambakkam, Chennai, 600 034, Tamil Nadu, India
| | - P Ganesan
- Division of Vector Control, Entomology Research Institute, Loyola College, Nungambakkam, Chennai, 600 034, Tamil Nadu, India
| | - K Sivasankaran
- Division of Vector Control, Entomology Research Institute, Loyola College, Nungambakkam, Chennai, 600 034, Tamil Nadu, India
| | - M G Paulraj
- Division of Vector Control, Entomology Research Institute, Loyola College, Nungambakkam, Chennai, 600 034, Tamil Nadu, India
| | - K Balakrishna
- Division of Vector Control, Entomology Research Institute, Loyola College, Nungambakkam, Chennai, 600 034, Tamil Nadu, India
| | - S Ignacimuthu
- Division of Vector Control, Entomology Research Institute, Loyola College, Nungambakkam, Chennai, 600 034, Tamil Nadu, India.
- Visiting Professor Programme, Deanship of Research, King Saud Univ, Riyadh, Saudi Arabia.
| | - N A Al-Dhabi
- Dept of Botany and Microbiology, Addiriyah chair for Environmental Studies, College of Science, King Saud Univ, Riyadh, Saudi Arabia
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Reegan AD, Gandhi MR, Sivaraman G, Cecilia KF, Ravindhran R, Balakrishna K, Paulraj MG, Ignacimuthu S. Bioefficacy of ecbolin A and ecbolin B isolated from Ecbolium viride (Forsk.) Alston on dengue vector Aedes aegypti L. (Diptera: Culicidae). Parasite Epidemiol Control 2016; 1:78-84. [PMID: 29988190 PMCID: PMC5991860 DOI: 10.1016/j.parepi.2016.03.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Revised: 03/15/2016] [Accepted: 03/15/2016] [Indexed: 12/03/2022] Open
Abstract
Ecbolin A and ecbolin B were isolated from ethyl acetate extract of Ecbolium viride (Forsk.) Alston root and evaluated for larvicidal and growth disturbance activities against Aedes aegypti L. (Diptera: Culicidae). For larvicidal activity, the third instar larvae of A. aegypti were exposed to different concentrations viz., 1.0, 2.5, 5.0 and 10 ppm for each compound. Among the two compounds screened, ecbolin B recorded highest larvicidal activity with LC50 and LC90 values of 0.70 and 1.42 ppm, respectively. In control, the larval behaviour was normal. The active compound ecbolin B was tested for growth disruption activity at sub lethal concentrations viz., 0.5, 1.0 ppm and observed for malformation like larval gut elongation, larval longevity, intermediates, malformed adults, failed adult emergence and compared with methoprene. The results showed significant level of larva-pupa intermediates, pupa-adult intermediates, malformed adult emergence and less adult formation against A. aegypti. The histopathological results revealed a severe damage on the midgut epithelial columnar cells (CC) and cuboidal cells (CU) in ecbolin B treated larvae of A. aegypti. Similarly peritrophic membrane (pM) was also observed to be damaged in the treated larvae. The present results suggest that, ecbolin B could be used as a larvicidal agent against dengue vector A. aegypti.
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Affiliation(s)
- Appadurai Daniel Reegan
- Division of vector control, Entomology Research Institute, Loyola College, Chennai 600 034, Tamil Nadu, India
- National Vector Borne Disease Control Programme, ROH&FW, Govt. of India, Besant Nagar, Chennai 600 090, Tamil Nadu, India
| | - Munusamy Rajiv Gandhi
- Division of vector control, Entomology Research Institute, Loyola College, Chennai 600 034, Tamil Nadu, India
| | - Govindan Sivaraman
- Division of vector control, Entomology Research Institute, Loyola College, Chennai 600 034, Tamil Nadu, India
| | | | - Ramalingam Ravindhran
- Department of Plant Biology and Biotechnology, Loyola College, Chennai 600 034, India
| | - Kedike Balakrishna
- Division of vector control, Entomology Research Institute, Loyola College, Chennai 600 034, Tamil Nadu, India
| | - Michael Gabriel Paulraj
- Division of vector control, Entomology Research Institute, Loyola College, Chennai 600 034, Tamil Nadu, India
| | - Savarimuthu Ignacimuthu
- Division of vector control, Entomology Research Institute, Loyola College, Chennai 600 034, Tamil Nadu, India
- Visiting Professor Programme, Deanship of Research, King Saud University, Riyadh 11451, Saudi Arabia
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Affiliation(s)
- Appadurai Daniel Reegan
- Division of Vector Control, Entomology Research Institute, Loyola College
- Department of Zoology, Madras Christian College
| | | | | | - Savarimuthu Ignacimuthu
- Division of Vector Control, Entomology Research Institute, Loyola College
- Division of Molecular Biology, Entomology Research Institute, Loyola College
- International Scientific Partnership Program, Deanship of Research, King Saud University
| | - Naif Abdullah Al-Dhabi
- Department of Botany and Microbiology, Addiriyah chair for Environmental Studies, College of Science, King Saud University
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Reegan AD, Gandhi MR, Paulraj MG, Ignacimuthu S. Ovicidal and Oviposition Deterrent Activities of Medicinal Plant Extracts Against Aedes aegypti L. and Culex quinquefasciatus Say Mosquitoes (Diptera: Culicidae). Osong Public Health Res Perspect 2015; 6:64-9. [PMID: 25737834 PMCID: PMC4346590 DOI: 10.1016/j.phrp.2014.08.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Revised: 08/18/2014] [Accepted: 08/25/2014] [Indexed: 10/28/2022] Open
Abstract
OBJECTIVES To evaluate the ovicidal and oviposition deterrent activities of five medicinal plant extracts namely Aegle marmelos (Linn.), Limonia acidissima (Linn.), Sphaeranthus indicus (Linn.), Sphaeranthus amaranthoides (burm.f), and Chromolaena odorata (Linn.) against Culex quinquefasciatus and Aedes aegypti mosquitoes. Three solvents, namely hexane, ethyl acetate, and methanol, were used for the preparation of extracts from each plant. METHODS Four different concentrations-62.5 parts per million (ppm), 125 ppm, 250 ppm, and 500 ppm-were prepared using acetone and tested for ovicidal and oviposition deterrent activities. One-way analysis of variance (ANOVA) was used to determine the significance of the treatments and means were separated by Tukey's test of comparison. RESULTS Among the different extracts of the five plants screened, the hexane extract of L. acidissima recorded the highest ovicidal activity of 79.2% and 60% at 500 ppm concentration against the eggs of Cx. quinquefasciatus and Ae. aegypti, respectively. Similarly, the same hexane extract of L. acidissima showed 100% oviposition deterrent activity at all the tested concentrations against Cx. quinquefasciatus and Ae. aegypti adult females. CONCLUSION It is concluded that the hexane extract of L. acidissima could be used in an integrated mosquito management program.
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Affiliation(s)
- Appadurai Daniel Reegan
- Division of Vector Control, Entomology Research Institute, Loyola College, Chennai, Tamil Nadu, India
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Reegan AD, Kinsalin AV, Paulraj MG, Ignacimuthu S. Larvicidal, ovicidal and repellent activities of marine sponge Cliona celata (Grant) extracts against Anopheles stephensi Liston (Diptera: Culicidae). ASIAN PAC J TROP MED 2015; 8:29-34. [DOI: 10.1016/s1995-7645(14)60183-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2014] [Revised: 11/10/2014] [Accepted: 12/22/2014] [Indexed: 11/24/2022] Open
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Reegan AD, Gandhi MR, Paulraj MG, Balakrishna K, Ignacimuthu S. Erratum to “Effect of niloticin, a protolimonoid isolated from Limonia acidissima L. (Rutaceae) on the immature stages of dengue vector Aedes aegypti L. (Diptera: Culicidae)” [Acta Trop. 139 (2014) 67–76]. Acta Trop 2014. [DOI: 10.1016/j.actatropica.2014.09.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Reegan AD, Gandhi MR, Paulraj MG, Balakrishna K, Ignacimuthu S. Effect of niloticin, a protolimonoid isolated from Limonia acidissima L. (Rutaceae) on the immature stages of dengue vector Aedes aegypti L. (Diptera: Culicidae). Acta Trop 2014; 139:67-76. [PMID: 25019220 DOI: 10.1016/j.actatropica.2014.07.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Revised: 06/23/2014] [Accepted: 07/02/2014] [Indexed: 10/25/2022]
Abstract
The aim of the present study was to evaluate the mosquitocidal activity of fractions and a compound niloticin from the hexane extract of Limonia acidissima L. leaves on eggs, larvae and pupae of Aedes aegypti L. (Diptera: Culicidae). In these bioassays, the eggs, larvae and pupae were exposed to concentrations of 2.5, 5.0, 7.5 and 10.0ppm for fractions and 0.5, 1.0, 1.5 and 2.0ppm for compound. After 24h, the mortality was assessed and the LC50 and LC90 values were calculated for larvae and pupae. Per cent ovicidal activity was calculated for eggs after 120h post treatment. Among the sixteen fractions screened, fraction 8 from the hexane extract of L. acidissima generated good mosquitocidal activity against Ae. aegypti. The LC50 and LC90 values of fraction 8 were 4.11, 8.04ppm against Ae. aegypti larvae and 4.19, 8.10ppm against Ae. aegypti pupae, respectively. Further, the isolated compound, niloticin recorded strong larvicidal and pupicidal activities. The 2ppm concentration of niloticin showed 100% larvicidal and pupicidal activities in 24h. The LC50 and LC90 values of niloticin on Ae. aegypti larvae were 0.44, 1.17ppm and on pupae were 0.62, 1.45ppm, respectively. Niloticin presented 83.2% ovicidal activity at 2ppm concentration after 120h post treatment and niloticin exhibited significant growth disruption and morphological deformities at sub lethal concentrations against Ae. aegypti. The structure of the isolated compound was identified on the basis of single XRD and spectral data ((1)H NMR and (13)C NMR) and compared with literature spectral data. The results indicate that niloticin could be used as a potential natural mosquitocide.
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Cecilia KF, Ravindhran R, Gandhi MR, Reegan AD, Balakrishna K, Ignacimuthu S. Larvicidal and pupicidal activities of ecbolin A and ecbolin B isolated from Ecbolium viride (Forssk.) Alston against Culex quinquefasciatus Say (Diptera: Culicidae). Parasitol Res 2014; 113:3477-84. [DOI: 10.1007/s00436-014-4018-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Accepted: 07/04/2014] [Indexed: 12/24/2022]
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Reegan AD, Paulraj MG, Ignacimuthu S. Isolation and characterization of halotolerant bacteria associated with the midgut of Culex quinquefasciatus Say (Diptera: Culicidae). Pak J Biol Sci 2013; 16:1311-7. [PMID: 24511739 DOI: 10.3923/pjbs.2013.1311.1317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
We show for the first time that the midgut of Culex quinquefasciatus (Say) mosquito larvae harbors halotolerant bacteria. The midgut from field collected Cx. quinquefasciatus larvae were dissected under aseptic conditions, homogenized and plated on LB agar medium with 2% (w/v) NaCl. Two different colonies were successfully isolated and bacterial isolates were identified by 16S rRNA sequences. The halotolerant bacterial isolates were: Halobacillus litoralis (CxH1) and Staphylococcus cohnii (CxH2). The gene sequence of these isolates has been deposited in GenBank (JN016804 and JN183986). These halotolerant bacteria grew in the absence of salt (0%) as well as in the presence of relatively high salt concentrations in culture medium (20%), and grew best in the presence of 8-10% (w/v) NaCl. H. litoralis and S. cohnii showed growth up to 18 and 20% (w/v) NaCl, respectively. Optimum growth temperatures for both the bacteria were between 30-37 degrees C. H. litoralis was resistant to the antibiotics oxacillin, penicillin, polymixin and S. cohnii was resistant to the antibiotic oxacillin.
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Mohanchander P, Reegan AD, Rahman MAU, Raveen RS. Effect of Hadda beetle, Epilachna vigintioctopunctata Fab. (Coleoptera: Coccinellidae) infestation on eggplant leaf (Solanum melongena L.) and bio-control potential of essential oil formulations. Pak J Biol Sci 2013; 16:991-7. [PMID: 24502160 DOI: 10.3923/pjbs.2013.991.997] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The present study evaluates the nature of feeding damage of Epilachna vigintioctopunctata on leaves of Solanum melongena L. and antifeedant activities of essential oil formulations against E. vigintioctopunctata. Investigations were made on the morphological and anatomical damage caused by the feeding activity of the adults and grubs of E. vigintioctopunctata. Adult E. vigintioctopunctata scraped the green matter of the upper and lower sides of the leaves of Solanum melongena leaving behind only a network of veins. This characteristic scraping made the leaves papery and the infested eggplants exhibited inter venal damage or holes on the leaves. The reduction percentage of leaf fresh weight and leaf dry weight in infested leaves after one generation were 11.4 and 15.2%, respectively. In the grub infested leaves of eggplant, fully damaged epidermis, parenchyma cells and phloem cells of vascular bundles were observed. The total mean percentage of infested leaf damage was 12.75 +/- 0.43%. Maximum antifeedant activities of 80.06, 61.92% were observed in oil formulation III and formulation I, respectively at 100 ppm concentration against the fourth instars grub of E. vigintioctopunctata. This would be a good alternative for the chemical pesticides.
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Affiliation(s)
| | | | | | - Raja Singh Raveen
- Department of Zoology, Madras Christian College, Tambaram, Tamil Nadu, India
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Muthu C, Reegan AD, Kingsley S, Ignacimuthu S. Larvicidal activity of pectolinaringenin from Clerodendrum phlomidis L. against Culex quinquefasciatus Say and Aedes aegypti L. (Diptera: Culicidae). Parasitol Res 2012; 111:1059-65. [PMID: 22562213 DOI: 10.1007/s00436-012-2932-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2011] [Accepted: 04/17/2012] [Indexed: 10/28/2022]
Abstract
Larvicidal activity of 12 fractions and a compound of chloroform extract of Clerodendrum phlomidis L. (Lamiaceae) was assayed for their toxicity against the early fourth-instar larvae of the filarial vector Culex quinquefasciatus Say and dengue vector Aedes aegypti L. The fractions were tested at 100-, 50-, 25- and 12.5-ppm concentrations. The compound pectolinaringenin was tested at 5-, 2.5-, 1.0- and 0.5-ppm concentrations. Among the different fractions, fraction 5 recorded the lowest LC(50) and LC(90) values of 5.02, 61.63 ppm and 32.86, 73.62 ppm against C. quinquefasciatus and A. aegypti, respectively. The compound pectolinaringenin showed the lowest LC(50) and LC(90) values of 0.62, 2.87 ppm and 0.79, 5.31 ppm against C. quinquefasciatus and A. aegypti, respectively. This is the first report on the mosquito larvicidal activity of the isolated compound pectolinaringenin from C. phlomidis. The results of this study show that the chloroform extract of C. phlomidis can be used as a potent source and pectolinaringenin as a new natural mosquito larvicidal agent.
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Affiliation(s)
- Chellaiah Muthu
- Entomology Research Institute, Loyola College, Chennai, 600 034, Tamil Nadu, India.
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