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Gutiérrez-Wong JR, Rosado-Aguilar JA, Rodríguez-Vivas RI. First report of acaricidal efficacy from plumbagin on larvae of Rhipicephalus microplus and Rhipicephalus sanguineus resistant to conventional acaricides. Exp Parasitol 2023; 255:108632. [PMID: 37832775 DOI: 10.1016/j.exppara.2023.108632] [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: 04/14/2023] [Revised: 10/10/2023] [Accepted: 10/11/2023] [Indexed: 10/15/2023]
Abstract
The problem of resistance to acaricides in ticks such as Rhipicephalus microplus and R. sanguineus has motivated the search for control alternatives, such as the use of extracts and secondary metabolites from plants. Plumbagin is a natural product present in plants such as Plumbago zeylanica L., Diospyros kaki, and D. anisandra, of which acaricidal activity has been reported. Therefore, the objective of this study was to evaluate in vitro the acaricidal efficacy of plumbagin on larvae of R. microplus and R. sanguineus resistant to conventional acaricides. Larvae from engorged female ticks, collected from naturally infested dairy cattle and domiciled dogs, in Yucatan, Mexico, were used. The larval packet test and the larval immersion test were performed to detect acaricide susceptibility. Both tick populations were detected as resistant to cypermethrin and amitraz. Then, the modified larval immersion test was used and plumbagin was evaluated at concentrations of 1%, 0.5%, 0.25%, and 0.125% (%w/v), obtaining a mortality of 100% in the four concentrations for both tick species. Subsequently, lower doses of plumbagin were evaluated at concentrations of 0.0625%, 0.03125%, 0.015625% and 0.0078125%, obtaining mortalities of 100 to 36.26% for R. microplus and 100%-5.33% for R. sanguineus. Using Probit analysis, lethal concentrations at 50% (LC50), 99% (LC99) and confidence intervals at 95% (CI95%) were calculated. R. microplus showed a LC50 of 0.011% (CI95%: 0.010-0.011) and LC99 of 0.019% (CI95%: 0.018-0.022). R. sanguineus presented a LC50 of 0.017% (CI95%: 0.015-0.018) and CL99 of 0.031% (CI95%: 0.027-0.036). It was concluded that plumbagin has high acaricidal efficacy against larvae of R. microplus and R. sanguineus resistant to amitraz and cypermethrin. R. microplus larvae were significantly more susceptible to LC50 and LC99 compared to R. sanguineus. This is the first report on the acaricidal efficacy of plumbagin on larvae of R. microplus and R. sanguineus resistant to conventional acaricides.
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Affiliation(s)
- J R Gutiérrez-Wong
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km15.5, Carretera Mérida-Xmatkuil, C.P. 97000, Mérida, Yucatán, Mexico
| | - J A Rosado-Aguilar
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km15.5, Carretera Mérida-Xmatkuil, C.P. 97000, Mérida, Yucatán, Mexico.
| | - R I Rodríguez-Vivas
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Yucatán, Km15.5, Carretera Mérida-Xmatkuil, C.P. 97000, Mérida, Yucatán, Mexico
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Mohamed SNA, Montasser AA, Baioumy Ali AA. Acaricidal effect of Citrullus colocynthis fruit extract on the camel tick Hyalomma dromedarii (Koch, 1844)†. Ticks Tick Borne Dis 2022; 13:101995. [DOI: 10.1016/j.ttbdis.2022.101995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 06/24/2022] [Accepted: 06/25/2022] [Indexed: 10/17/2022]
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Santos EGGD, Bezerra WADS, Temeyer KB, León AAPD, Costa-Junior LM, Soares AMDS. Effects of essential oils on native and recombinant acetylcholinesterases of Rhipicephalus microplus. ACTA ACUST UNITED AC 2021; 30:e002221. [PMID: 34076049 DOI: 10.1590/s1984-29612021024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 02/18/2021] [Indexed: 05/31/2023]
Abstract
This study reports the action of essential oils (EO) from five plants on the activity of native and recombinant acetylcholinesterases (AChE) from Rhipicephalus microplus. Enzyme activity of native susceptible AChE extract (S.AChE), native resistant AChE extract (R.AChE), and recombinant enzyme (rBmAChE1) was determined. An acetylcholinesterase inhibition test was used to verify the effect of the EO on enzyme activity. EO from Eucalyptus globulus, Citrus aurantifolia, Citrus aurantium var.dulcis inhibited the activity of S.AChE and R.AChE. Oils from the two Citrus species inhibited S.AChE and R.AChE in a similar way while showing greater inhibition on R.AChE. The oil from E. globulus inhibited native AChE, but no difference was observed between the S.AChE and R.AChE; however, 71% inhibition for the rBmAChE1 was recorded. Mentha piperita oil also inhibited S.AChE and R.AChE, but there was significant inhibition at the highest concentration tested. Cymbopogon winterianus oil did not inhibit AChE. Further studies are warranted with the oils from the two Citrus species that inhibited R.AChE because of the problem with R. microplus resistant to organophosphates, which target AChE. C. winterianus oil can be used against R. microplus populations that are resistant to organophosphates because its acaricidal properties act by mechanism(s) other than AChE inhibition.
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Affiliation(s)
| | | | - Kevin B Temeyer
- USDA-ARS Knipling-Bushland U.S. Livestock Insects Research Laboratory and Veterinary Pest Genomics Center, Kerrville, TX, United States of America
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Vinturelle R, Mattos C, Meloni J, Lamberti HD, Nogueira J, da Silva Vaz Júnior I, Rocha L, Lione V, Folly E. Evaluation of essential oils as an ecological alternative in the search for control Rhipicephalus microplus (Acari: Ixodidae). VETERINARY PARASITOLOGY- REGIONAL STUDIES AND REPORTS 2020; 23:100523. [PMID: 33678378 DOI: 10.1016/j.vprsr.2020.100523] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 11/17/2020] [Accepted: 12/20/2020] [Indexed: 01/21/2023]
Abstract
The cattle tick Rhipicephalus microplus is a significant problem for livestock, causing losses of billions of dollars per year. This work aimed to determine the chemical composition of essential oils obtained from Laurus nobilis and Copaifera officinalis and evaluate activity against engorged R. microplus females. Chemical composition analyzed by GC-MS revealed the presence of 39 components accounting for 95.38% of the oil in L. nobilis, the most abundant being 1,8-cineol (25.7%), trans-sabinene-hydrate (20.8%), and α-terpinil acetate (15.0%). Chemical analysis of C. officinalis oil identified 25 components corresponding to 80.5% of the total constituents, where the major compounds were β-caryophyllene (21.1%), caryophyllene oxide (10.7%), and α-trans-bergamotene (9.3%). Adult immersion test (AIT) showed that L. nobilis essential oil at 5% or 10% caused 80.5% mortality of engorged females after 24 h and reached 96.9% and 100% mortality on the third day after treatment, respectively. While the essential oil from C. officinalis caused 84.7% mortality after six days at 10% and at 5%, achieved approximately 100% mortality rate at the end of the experiment (day 15). Both essential oils and the combination significantly inhibited egg-laying; however, the combination treatment showed higher effectiveness than the isolated oils at 2.5%. A possible synergic action of L. nobilis and C. officinalis against the cattle tick R. microplus is therefore suggested. The present work introduces a potential alternative for the development of a formulation environment-friendly (green pesticide) used to control cattle tick infestations.
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Affiliation(s)
- Rafaelle Vinturelle
- Laboratório de Estudos de Pragas e Parasitos (LEPP), Universidade Federal Fluminense (UFF), Instituto de Biologia, Departamento de Biologia Celular e Molecular (GCM), Niterói, RJ, Brazil; Programa de Pós-graduação em Ciências e Biotecnologia, UFF, Niterói, RJ, Brazil
| | - Camila Mattos
- Laboratório de Estudos de Pragas e Parasitos (LEPP), Universidade Federal Fluminense (UFF), Instituto de Biologia, Departamento de Biologia Celular e Molecular (GCM), Niterói, RJ, Brazil; Programa de Pós-graduação em Ciências e Biotecnologia, UFF, Niterói, RJ, Brazil
| | - Jéssica Meloni
- Laboratório de Estudos de Pragas e Parasitos (LEPP), Universidade Federal Fluminense (UFF), Instituto de Biologia, Departamento de Biologia Celular e Molecular (GCM), Niterói, RJ, Brazil; Programa de Pós-graduação em Ciências e Biotecnologia, UFF, Niterói, RJ, Brazil
| | - Helen D Lamberti
- Laboratório de Estudos de Pragas e Parasitos (LEPP), Universidade Federal Fluminense (UFF), Instituto de Biologia, Departamento de Biologia Celular e Molecular (GCM), Niterói, RJ, Brazil
| | - Jeane Nogueira
- Laboratório de Tecnologia de Produtos Naturais, Faculdade de Farmácia, UFF, Niterói, RJ, Brazil; Programa de Pós-graduação em Ciências Aplicadas a Produtos para Saúde, Departamento de Farmácia e Administração Farmacêutica, Faculdade de Farmácia, UFF, Niterói, RJ, Brazil
| | - Itabajara da Silva Vaz Júnior
- Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, RS, Brazil; Instituto Nacional de Ciências e Tecnologia, Entomologia Molecular (INCT-EM), Brazil
| | - Leandro Rocha
- Laboratório de Tecnologia de Produtos Naturais, Faculdade de Farmácia, UFF, Niterói, RJ, Brazil; Programa de Pós-graduação em Ciências Aplicadas a Produtos para Saúde, Departamento de Farmácia e Administração Farmacêutica, Faculdade de Farmácia, UFF, Niterói, RJ, Brazil; Programa de Pós-graduação em Ciências e Biotecnologia, UFF, Niterói, RJ, Brazil
| | - Viviane Lione
- Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, RJ, Brazil
| | - Evelize Folly
- Laboratório de Estudos de Pragas e Parasitos (LEPP), Universidade Federal Fluminense (UFF), Instituto de Biologia, Departamento de Biologia Celular e Molecular (GCM), Niterói, RJ, Brazil; Programa de Pós-graduação em Ciências e Biotecnologia, UFF, Niterói, RJ, Brazil; Instituto Nacional de Ciências e Tecnologia, Entomologia Molecular (INCT-EM), Brazil.
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Nwanade CF, Yu Z, Liu J. Botanical acaricides induced morphophysiological changes of reproductive and salivary glands in tick: A mini-review. Res Vet Sci 2020; 132:285-291. [PMID: 32707419 DOI: 10.1016/j.rvsc.2020.07.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 06/25/2020] [Accepted: 07/13/2020] [Indexed: 02/08/2023]
Abstract
Ticks are obligate hematophagous ectoparasites and important vectors of several pathogens of medical and veterinary significance, in addition to economic losses associated with their infestation. The primary method for the current control of tick is the use of synthetic acaricides, and many studies have focused on the tick control efficacy associated with the use of synthetic acaricides. However, the intensive use of these compounds has environmental and public health implications, in addition to the development of resistant tick populations. Over the years, studies have demonstrated the great potential of botanicals as an effective alternative in tick control. Most of the reviews on the acaricidal activity of botanicals focused on the effects relating to the development, reproduction, and mortality rate of ticks. Besides this acaricidal activity, botanicals can also affect the morphophysiology of the reproductive organs and the salivary glands that are important for tick procreation and survival. Effects relating to histopathological and cell ultra-structural alterations caused by botanical acaricides can be determined through microscopy techniques. Hence, the present mini-review focuses on studies dealing with morphophysiology changes of the reproductive system and the salivary gland of ticks exposed to botanical acaricides, with a view of expanding our knowledge for the future integrative application of botanical acaricides in tick control.
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Affiliation(s)
- Chuks F Nwanade
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Zhijun Yu
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China.
| | - Jingze Liu
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China.
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da Silva LC, de Souza Perinotto WM, Sá FA, de Souza MAA, de Oliveira Barbosa Bitencourt R, Sanavria A, Santos HA, Marie-Magdeleine C, da Costa Angelo I. In vitro acaricidal activity of Cymbopogon citratus, Cymbopogon nardus and Mentha arvensis against Rhipicephalus microplus (Acari: Ixodidae). Exp Parasitol 2020; 216:107937. [PMID: 32535114 DOI: 10.1016/j.exppara.2020.107937] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 03/31/2020] [Accepted: 06/04/2020] [Indexed: 11/28/2022]
Abstract
The chemical composition and acaricidal activity of plant-derived essential oils was assessed against Rhipicephalus microplus ticks. The essential oils of Mentha arvensis, Cymbopogon citratus and C. nardus were assessed for acaricidal activity against Rhipicephalus microplus. Essential oils (EO) of plants were separated by hydrodistillation (three times) and analyzed using gas chromatography - mass spectrometer (GC-MS). For bioassays, engorged females of R. microplus were exposed to C. citratus and C. nardus EO at 2%, 3%, 4% and 5% concentrations; and to M. arvensis EO at 1%, 3%, and 5% for 5 min. The weight egg mass, nutrient index (N.I), egg production index (E.P.I), hatching and control rate were evaluated. Non-feed larvae of R. microplus were exposed to essential oils with 0.25%, 0.5%; 1%; 1.5% and 2% concentrations; the mortality rate was measured after 48 h. Only engorged females presented reduced biological activities (oviposition, E.P.I) after exposure to M. arvensis at 3%, when in comparison to both positive and negative controls. The hatchability of R. microplus larvae ranged from 66.9% (after exposure to C. nardus EO at 5%) to 99.2% (positive control). The nutrition index was lower (46.6%) for the exposure to M. arvensis EO at 5%. M. arvensis at 3% and 5% concentrations was significantly efficient for engorged females when compared to control (53.7% and 47.5%, respectively). C. citratus EO at 1%, 1.5% and 2% concentrations yielded better results in the larval packet test, causing 100% mortality. Nonetheless, C. nardus and M. arvensis EO at 2% yielded 66% and 39% mortality, respectively. The study showed that M. arvensis presented potential for the control of R. microplus engorged females while C. citratus and C. nardus presented potential as a larvicide.
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Affiliation(s)
- Larissa Clara da Silva
- Department of Epidemiology and Public Health, Veterinary Institute, Federal Rural University of Rio de Janeiro, Seropédica, RJ, Brazil
| | | | - Fillipe Araujo Sá
- Department of Animal Parasitology, Federal Rural of University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Marco André Alves de Souza
- Department of Chemistry Exact Institute Sciences, Federal Rural University of Rio de Janeiro, Seropédica, RJ, Brazil
| | | | - Argemiro Sanavria
- Department of Epidemiology and Public Health, Veterinary Institute, Federal Rural University of Rio de Janeiro, Seropédica, RJ, Brazil
| | - Huarrisson Azevedo Santos
- Department of Epidemiology and Public Health, Veterinary Institute, Federal Rural University of Rio de Janeiro, Seropédica, RJ, Brazil
| | | | - Isabele da Costa Angelo
- Department of Epidemiology and Public Health, Veterinary Institute, Federal Rural University of Rio de Janeiro, Seropédica, RJ, Brazil.
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Nwanade CF, Wang M, Wang T, Yu Z, Liu J. Botanical acaricides and repellents in tick control: current status and future directions. EXPERIMENTAL & APPLIED ACAROLOGY 2020; 81:1-35. [PMID: 32291551 DOI: 10.1007/s10493-020-00489-z] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Accepted: 04/03/2020] [Indexed: 06/11/2023]
Abstract
Ticks are obligate blood-sucking ectoparasites and notorious as vectors of a great diversity of, in many instances, zoonotic pathogens which can cause considerable damage to animal and human health. The most commonly used approach for the control of ticks is the application of synthetic acaricides. However, the negative impacts of synthetic acaricides on the treated animals and the environment, in addition to its documented role in the development of resistance has led to the search for safer and more environmentally friendly alternative methods without compromising efficacy. An emerging promising approach for the control of ticks which has attracted much attention in recent years is the use of botanicals. Indeed, botanicals have been widely reported to show diverse effects and great potential as tick repellent and control. Although several excellent reviews have previously focused on this topic, studies on the exploration and application of botanicals to control ticks have expanded rapidly. Herein, we provide an update on the current understanding and status of botanical acaricides and repellents in tick control using recently published articles between 2017 and 2019. We also discuss the challenges and future directions in the application of botanicals in tick control, with a view of providing important clues for designing new integrated tick control methods.
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Affiliation(s)
- Chuks F Nwanade
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Min Wang
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Tianhong Wang
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Zhijun Yu
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China.
| | - Jingze Liu
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China.
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