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Gupta S, Sangwan N, Sangwan AK, Gupta S, Kumar A, Maan S, Kumar A, Kumar S. Acaricide resistance status of deltamethrin and coumaphos in Hyalomma anatolicum ticks collected from different districts of Haryana. EXPERIMENTAL & APPLIED ACAROLOGY 2024; 92:809-833. [PMID: 38448756 DOI: 10.1007/s10493-023-00894-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 12/30/2023] [Indexed: 03/08/2024]
Abstract
To study the acaricide resistance status and possible mechanisms of action in conferring resistance to commonly used acaricides (deltamethrin and coumaphos), Hyalomma anatolicum ticks were collected from 6 dairy farms of Hisar and Charkhi Dadri districts of Haryana. By using standard larval packet test, H. anatolicum tick larvae of Charkhi Dadri isolates were found to be susceptible (100% mortality) to both the acaricides. Level-I resistance against coumaphos was recorded from four isolates, whereas, level-II was observed in only one isolate, collected from Hisar. One isolates (Kaimri) from Hisar also showed level-I resistance against deltamethrin. Biochemically, the ticks having higher values of resistance factor (RF) against coumaphos were found to possess increased enzymatic activity of α-esterase, β-esterase, glutathione-S-transferase (GST) and mono-oxygenase enzymes, whereas, the monoamine oxidase did not show any constant trend. However, the RF showed a statistical significant correlation with GST only. Native PAGE analysis of H. anatolicum ticks revealed the presence of nine types of esterases (EST-1 h to EST-9 h) by using napthyl acetate as substrate. In the inhibitory assay, esterases were found to be inhibited by PMSF, indicating the presence of serine residue at catalytic triad. The partial cds of carboxylesterase and domain II of sodium channel genes were sequenced to determine any proposed mutations in resistant isolates of H. anatolicum ticks, however, no mutations were observed in either gene, indicating that increased expression of detoxification enzymes as a possible mechanism for resistance development, in the current study.
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Affiliation(s)
- Surbhi Gupta
- Department of Veterinary Physiology and Biochemistry, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India.
| | - Nirmal Sangwan
- Department of Veterinary Physiology and Biochemistry, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India
| | - Arun Kumar Sangwan
- Department of Veterinary Parasitology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India
- Department of Veterinary Parasitology, College of Veterinary Sciences and Animal Husbandry, Central Agricultural University (Imphal), Jalukie, Nagaland, India
| | - Snehil Gupta
- Department of Veterinary Parasitology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India
| | - Ankit Kumar
- Haryana Pashu Vigyan Kendra, Lala Lajpat Rai University of Veterinary and Animal Sciences, Uchani, Karnal, Haryana, 132001, India
| | - Sushila Maan
- Department of Animal Biotechnology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India
| | - Aman Kumar
- Department of Animal Biotechnology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana, 125004, India
| | - Sachin Kumar
- Entomology Laboratory, ICAR-Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, 243122, India
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Gupta S, Sangwan N, Sangwan AK, Mann S, Gupta S, Kumar A, Kumar S. Understanding the resistance mechanisms of Rhipicephalus microplus ticks to synthetic pyrethroids and organophosphates in south-west regions of Haryana, North India. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2023; 196:105634. [PMID: 37945265 DOI: 10.1016/j.pestbp.2023.105634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/06/2023] [Accepted: 09/30/2023] [Indexed: 11/12/2023]
Abstract
Chemical control of tick infestation on dairy farms in India strongly relies upon the use of synthetic pyrethroids (deltamethrin) and organophosphate (coumaphos) drugs. Therefore, the present manuscript aims to investigate the resistance status of Rhipicephalus microplus ticks against these acaricides. Fully engorged adult R. microplus ticks were randomly collected from 8 dairy farms in North India and evaluated for acaricide resistance by using the Larval Packet Test (LPT). Of these, ticks collected from one and three farms showed the emergence of Level I acaricide resistance against deltamethrin and coumaphos, respectively. Significant positive correlations were found in the enzymatic activity (α-esterase, β-esterase, glutathione-S-transferase, and mono-oxygenase) of R. microplus tick resistant against coumaphos. Native electrophoretogram analysis showed six different types of esterase activity in R. microplus (EST-1b to EST-6b), and EST-5b activity was more predominantly expressed in resistant ticks. Further, inhibitor studies using various esterase inhibitors suggested that EST-5b is a putative acetylcholine-esterase (AchE), and increased expression of one of the AchE might be responsible for the emergence of acaricide resistance. Further, no mutations were detected in the carboxylesterase (G1120A) and domain II S4-5 linker region (C190A) of the sodium channel genes of resistant R. microplus ticks, indicating that increased expression of detoxification enzymes was the probable mechanism for the development of acaricide resistance in the resistant ticks.
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Affiliation(s)
- Surbhi Gupta
- Department of Veterinary Physiology and Biochemistry, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana 125004, India.
| | - Nirmal Sangwan
- Department of Veterinary Physiology and Biochemistry, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana 125004, India
| | - Arun Kumar Sangwan
- Department of Veterinary Parasitology, College of Veterinary Science and Animal Husbandry, Central Agricultural University (Imphal), Jalukie, Nagaland, India
| | - Sushila Mann
- Department of Animal Biotechnology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana 125004, India
| | - Snehil Gupta
- Department of Veterinary Parasitology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana 125004, India
| | - Aman Kumar
- Department of Animal Biotechnology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, Haryana 125004, India
| | - Sachin Kumar
- Entomology Laboratory, ICAR-Indian Veterinary Research Institute, Bareilly, Uttar Pradesh 243122, India
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Shakya M, Sharma AK, Kumar S, Upadhaya D, Nagar G, Singh K, M S, Ghosh S. Acaricides resistance in Rhipicephalus microplus and expression profile of ABC-transporter genes in the sampled populations. Exp Parasitol 2023; 252:108584. [PMID: 37468088 DOI: 10.1016/j.exppara.2023.108584] [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: 01/30/2023] [Revised: 06/30/2023] [Accepted: 07/10/2023] [Indexed: 07/21/2023]
Abstract
Currently, livestock owners manage tick infestations using chemicals, but the method is increasingly losing effectiveness as resistant tick populations have established in the field conditions. Thus, to develop effective tick management strategies, monitoring of resistance in most predominant tick species, Rhipicephalus microplus was targeted. The ticks were collected from eleven districts of Madhya Pradesh and one district of Punjab and tested against deltamethrin (DLM), cypermethrin (CYP), coumaphos (CMP), ivermectin (IVM) and fipronil (FIP), through adult immersion and larval packet tests. The field isolates were highly resistant to DLM [Resistance factor (RF) = 3.98-38.84]. Against CYP, resistance was observed in BWN (Barwani; RF = 2.81) and MND (Mandsaur; RF = 3.23) isolates. Surprisingly, most of the isolates were susceptible to CMP (0.34-1.58). Emerging level of resistance against IVM (1.05-4.98) and FIP (0.40-2.18) was also observed in all the isolates. Significantly elevated production of esterases (p < 0.01) was 90% correlated with RF of DLM while no positive correlation between production of monooxygenase and Glutathione S-transferase with RF to DLM was noted. Multiple sequence analysis of S4-5 linker region of the sodium channel gene of all the isolates revealed a point mutation at 190th position (C190A) which is associated with DLM resistance. Treatment of resistant LDH (Ludhiana) isolate with IVM resulted in upregulation of RmABCC2 gene and insignificant upregulation of RmABCC1 and RmABCB10 genes indicating the probability of linking IVM resistance with over-expression of RmABCC2 gene. The possible tick management strategies are discussed.
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Affiliation(s)
- Mukesh Shakya
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly- 243122, Uttar Pradesh, India; IVRI-Eastern Regional Station, 37 Belgachia Road, Kolkata 700037, West Bengal, India
| | - Anil Kumar Sharma
- IVRI-Eastern Regional Station, 37 Belgachia Road, Kolkata 700037, West Bengal, India
| | - Sachin Kumar
- IVRI-Eastern Regional Station, 37 Belgachia Road, Kolkata 700037, West Bengal, India
| | - Deepak Upadhaya
- IVRI-Eastern Regional Station, 37 Belgachia Road, Kolkata 700037, West Bengal, India
| | - Gaurav Nagar
- IVRI-Eastern Regional Station, 37 Belgachia Road, Kolkata 700037, West Bengal, India
| | - Kaushlendra Singh
- IVRI-Eastern Regional Station, 37 Belgachia Road, Kolkata 700037, West Bengal, India
| | - Sankar M
- IVRI-Eastern Regional Station, 37 Belgachia Road, Kolkata 700037, West Bengal, India
| | - Srikant Ghosh
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly- 243122, Uttar Pradesh, India; IVRI-Eastern Regional Station, 37 Belgachia Road, Kolkata 700037, West Bengal, India.
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García-Ponce R, Hernández-Escareño JJ, Cruz-Valdez JC, Galindo-Rodríguez SA, Heya MS, Villarreal-Villarreal JP. Ixodicidal effect of extracts from Cordia boissieri, Artemisia ludoviciana and Litchi chinensis on Rhipicephalus (Boophilus) microplus (Acari: Ixodidae). BRAZ J BIOL 2023; 84:e264425. [PMID: 36722676 DOI: 10.1590/1519-6984.264425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 12/14/2022] [Indexed: 02/02/2023] Open
Abstract
The ixodicidal activity of the methanolic extracts of Artemisia ludoviciana (Astereceae), Cordia boissieri (Boraginaceae) and Litchi chinensis (Sapindaceae) against two field populations of Rhipicephalus (Boophilus) microplus from the state of Nuevo Leon (NL) and Veracruz (VER) was evaluated. The extract of L. chinensis in the concentration of 150 mg/ml showed efficacies of 100% and 99% against engorged females and mortalities of 98% and 99% against larvae. C. boissieri in the same concentration showed efficacies of 71% and 37% against engorged adults and mortalities of 33.04% and 10.33% against larvae and A. ludoviciana had efficacies of 94% and 83% in adults and mortalities of 89.39% and 89.21% against larvae in both populations respectively. The enzymatic activity of Acetylcholinesterase (AChE), Carboxylesterase (CaE), Glutathione-S-Transferase (GST) and Alkaline Phosphatase (ALP) was measured in both populations of ticks. As a result, a significant difference between both populations was shown, being the VER population the one that exhibited a higher enzymatic activity (p ≤ 0.05). It can be concluded that the methanolic extract of the seed of L. chinensis shows potential ixodicidal activity and can be used as an alternative source of tick control, however, prior characterization, toxicity and formulation studies are necessary.
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Affiliation(s)
- R García-Ponce
- Universidad Autónoma de Nuevo León - UANL, School of Veterinary Medicine and Zootechnics, Department of Microbiology and Parasitology, Laboratory of Microbiology and Parasitology, Cd. General Escobedo, Nuevo León, México
| | - J J Hernández-Escareño
- Universidad Autónoma de Nuevo León - UANL, School of Veterinary Medicine and Zootechnics, Department of Microbiology and Parasitology, Laboratory of Microbiology and Parasitology, Cd. General Escobedo, Nuevo León, México
| | - J C Cruz-Valdez
- Universidad Autónoma de Nuevo León - UANL, School of Veterinary Medicine and Zootechnics, Department of Microbiology and Parasitology, Laboratory of Microbiology and Parasitology, Cd. General Escobedo, Nuevo León, México
| | - S A Galindo-Rodríguez
- Universidad Autónoma of Nuevo León-UANL, School of Biological Sciences, Department of Chemistry, Laboratory of Analytical Chemistry, San Nicolás de los Garza, Nuevo León, México
| | - M S Heya
- Universidad Autónoma of Nuevo León-UANL, School of Biological Sciences, Department of Chemistry, Laboratory of Analytical Chemistry, San Nicolás de los Garza, Nuevo León, México
| | - J P Villarreal-Villarreal
- Universidad Autónoma de Nuevo León - UANL, School of Veterinary Medicine and Zootechnics, Department of Microbiology and Parasitology, Laboratory of Microbiology and Parasitology, Cd. General Escobedo, Nuevo León, México
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Shakya M, Nandi A, Fular A, Kumar S, Bisht N, Sharma AK, Singh K, Kumar R, Kumar S, Juliet S, Ghosh S. Synergistic property of piperonyl butoxide, diethyl maleate, triphenyl phosphate and verapamil hydrochloride with deltamethrin and ivermectin against Rhipicephalus microplus ticks. Ticks Tick Borne Dis 2022; 13:102006. [PMID: 35917692 DOI: 10.1016/j.ttbdis.2022.102006] [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: 11/11/2021] [Revised: 06/16/2022] [Accepted: 07/16/2022] [Indexed: 11/24/2022]
Abstract
The present study was taken up to evaluate the synergistic properties of piperonyl butoxide (PBO), diethyl maleate (DEM), triphenyl phosphate (TPP) and verapamil (VER) with deltamethrin (DLM) and ivermectin (IVM) against DLM and IVM resistant tick populations collected from Madhya Pradesh and Punjab states of India. The collected field tick populations were resistant to DLM (Resistance Factor [RF] in the range of 21.71-32.98) and IVM (RF in the range of 1.89-4.98). A strong synergism between DLM and, IVM with PBO and IVM with VER was noticed. The synergistic efficacy of PBO and VER with IVM in reducing the lethal concentration 50 (LC50) value (1.69-5.72 times for PBO and 3.00-10.62 times for VER) of IVM in resistant ticks suggest that a combination of these synergists with IVM can significantly enhance the effectiveness of IVM against IVM-resistant Rhipicephlaus microplus populations gradually establishing in the different parts of the country. The synergistic efficiency of PBO with DLM in reducing the LC50 value was 2.65 and 18.01 times, respectively, against DLM- resistant two R. microplus populations (KTN and LDH). The study revealed the gradual establishment of DLM and IVM resistant populations in the surveyed states suggesting the need to adopt required resistance management strategies. The use of synergists with DLM and IVM has emerged as an effective approach for controlling the acaricide-resistant ticks.
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Affiliation(s)
- Mukesh Shakya
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh 243112, India
| | - Abhijit Nandi
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh 243112, India
| | - Ashutosh Fular
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh 243112, India
| | - Sachin Kumar
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh 243112, India
| | - Nisha Bisht
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh 243112, India
| | - Anil Kumar Sharma
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh 243112, India
| | - Kaushlendra Singh
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh 243112, India
| | - Rajesh Kumar
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
| | - Satyanshu Kumar
- ICAR-Directorate of Medicinal and Aromatic Plants Research, Boriavi, Anand, Gujarat 387310, India
| | - Sanis Juliet
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary and Animal Sciences, Pookode, Wayanad, Kerala 673 576, India
| | - Srikanta Ghosh
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh 243112, India.
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The current strategies and underlying mechanisms in the control of the vector tick, Haemaphysalis longicornis: Implications for future integrated management. Ticks Tick Borne Dis 2022; 13:101905. [DOI: 10.1016/j.ttbdis.2022.101905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 01/09/2022] [Accepted: 01/10/2022] [Indexed: 11/17/2022]
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Tavares CP, Sabadin GA, Sousa IC, Gomes MN, Soares AM, Monteiro CM, Vaz IS, Costa-Junior LM. Effects of carvacrol and thymol on the antioxidant and detoxifying enzymes of Rhipicephalus microplus (Acari: Ixodidae). Ticks Tick Borne Dis 2022; 13:101929. [DOI: 10.1016/j.ttbdis.2022.101929] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/18/2022] [Accepted: 02/21/2022] [Indexed: 12/27/2022]
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Fular A, Sharma AK, Upadhaya D, Nandi A, Nagar G, Bisht N, Shakya M, Kumar S, Kumar S, Kumar R, Ghosh S. Evaluation of acaricidal resistance status of Rhipicephalus microplus ticks from the hilly state (Uttarakhand) of India and evaluation of efficacy of a natural formulation for the management of resistant ticks. EXPERIMENTAL & APPLIED ACAROLOGY 2021; 85:355-377. [PMID: 34766246 DOI: 10.1007/s10493-021-00677-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 11/01/2021] [Indexed: 06/13/2023]
Abstract
The resistance status against deltamethrin, cypermethrin, coumaphos and ivermectin was assessed of Rhipicephalus microplus from five districts of Uttarakhand, through adult immersion test and larval packet test. The field isolates were highly resistant to deltamethrin (median resistance ratio [RR50] = 9.10-29.13-fold) followed by cypermethrin (2.23-3.55). Surprisingly the isolates were susceptible to coumaphos (0.34-3.17). Emerging resistance against ivermectin (1.55-3.27) was also observed in all the isolates. Elevated levels of esterases (enzyme ratio = 2.93-5.84-fold), glutathione S-transferases (5.10-10.06) and monooxygenases (1.68-4.02) in resistant fields isolates were highly correlated (47.4-86.0%) with the resistant factor (RR50) determined by bioassay. All the isolates except Uttarkashi possess mutation at the 190th position in domain II of the sodium channel gene. As a mitigation strategy an Ageratum conyzoides-based characterized natural formulation was tested against all the isolates and was found effective at the concentration of 10.1-11.5%. The possibility of using the natural formulation for the management of multi-acaricide resistant ticks is discussed.
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Affiliation(s)
- Ashutosh Fular
- Entomology Laboratory, Division of Parasitology, ICAR- Indian Veterinary Research Institute, Izatnagar, Bareilly, U.P., 243122, India
| | - Anil Kumar Sharma
- Entomology Laboratory, Division of Parasitology, ICAR- Indian Veterinary Research Institute, Izatnagar, Bareilly, U.P., 243122, India
| | - Deepak Upadhaya
- Entomology Laboratory, Division of Parasitology, ICAR- Indian Veterinary Research Institute, Izatnagar, Bareilly, U.P., 243122, India
| | - Abhijit Nandi
- Entomology Laboratory, Division of Parasitology, ICAR- Indian Veterinary Research Institute, Izatnagar, Bareilly, U.P., 243122, India
| | - Gaurav Nagar
- Entomology Laboratory, Division of Parasitology, ICAR- Indian Veterinary Research Institute, Izatnagar, Bareilly, U.P., 243122, India
| | - Nisha Bisht
- Entomology Laboratory, Division of Parasitology, ICAR- Indian Veterinary Research Institute, Izatnagar, Bareilly, U.P., 243122, India
| | - Mukesh Shakya
- Department of Parasitology, College of Veterinary Science and Animal Husbandry, Rewa, Madhya Pradesh, India
| | - Sachin Kumar
- Entomology Laboratory, Division of Parasitology, ICAR- Indian Veterinary Research Institute, Izatnagar, Bareilly, U.P., 243122, India
| | - Satyanshu Kumar
- ICAR-Directorate of Medicinal and Aromatic Plants Research, Boriavi, Anand, Gujarat, 387310, India
| | - Rajesh Kumar
- Division of Agricultural Chemicals, ICAR- Indian Agricultural Research Institute, New Delhi, 110012, India
| | - Srikant Ghosh
- Entomology Laboratory, Division of Parasitology, ICAR- Indian Veterinary Research Institute, Izatnagar, Bareilly, U.P., 243122, India.
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Kumar S, Sharma AK, Kumar B, Shakya M, Patel JA, Kumar B, Bisht N, Chigure GM, Singh K, Kumar R, Kumar S, Srivastava S, Rawat P, Ghosh S. Characterization of deltamethrin, cypermethrin, coumaphos and ivermectin resistance in populations of Rhipicephalus microplus in India and efficacy of an antitick natural formulation prepared from Ageratum conyzoides. Ticks Tick Borne Dis 2021; 12:101818. [PMID: 34537543 DOI: 10.1016/j.ttbdis.2021.101818] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 08/09/2021] [Accepted: 08/18/2021] [Indexed: 11/19/2022]
Abstract
Rhipicephalus microplus is posing a serious threat to productive animal husbandry. Excessive use of synthetic chemicals in tick management has led to the development of resistant tick populations. Characterization of resistance to deltamethrin, cypermethrin, coumaphos and ivermectin in ticks is necessary to develop a suitable and sustainable control strategy. Based on adult immersion test and larval packet test, the resistance ratios (RR50) for adults and larvae of R. microplus populations from two Indian states ranged from 3.8 to 19.4 and 1.35-25.0 against deltamethrin, 0.061-26.3 and 0.22-19.2 against cypermethrin, and 0.2-9.5 and 0.01-3.1 against coumaphos, respectively, were recorded. Moreover, the RR50 for adults ranged from 0.212 to 3.87 against ivermectin. The RR50 for different acaricides was significantly (p<0.01) correlated with esterases, Glutathione S-transferase and monooxygenase activity. A point mutation at the 190th position of the domain II S4-5 linker region of the sodium channel gene in synthetic pyrethroids (SP) resistant populations was also detected. An antitick natural formulation prepared from the plant Azeratum conyzoides and containing two major compounds, Precocene-I (7‑methoxy-2, 2-dimethyl 2H-chromene) and Precocene II (6, 7-dimethoxy-2, 2-dimethyl- 3-chromene), was developed and tested against the resistant ticks. The LC50 values of the natural formulation against the resistant populations were in the range of 4.31-5.33% irrespective of their RR50 values. Multi-acaricide resistant populations of R. microplus are established in India and the A. conyzoides based natural formulation can be used for its management.
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Affiliation(s)
- Sachin Kumar
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - Anil Kumar Sharma
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - Bhanu Kumar
- Pharmacognosy and Ethnopharmacology Division, CSIR-National Botanical Research Institute, Lucknow 226001, Uttar Pradesh India
| | - Mukesh Shakya
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - Jeemi A Patel
- Department of Veterinary Parasitology, College of Veterinary Science and Animal Husbandry, Junagarh Agricultural University, Junagarh, 362001, Gujarat, India
| | - Binod Kumar
- Department of Veterinary Parasitology, College of Veterinary Science and Animal Husbandry, Junagarh Agricultural University, Junagarh, 362001, Gujarat, India
| | - Nisha Bisht
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - Gajanan M Chigure
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - Kaushlendra Singh
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India
| | - Rajesh Kumar
- Division of Agricultural Chemicals, ICAR- Indian Agricultural Research Institute, New Delhi, 110012, India
| | - Satyanshu Kumar
- ICAR--Directorate of Medicinal and Aromatic Plants Research, Boriavi, Anand, 387310 Gujarat India
| | - Sharad Srivastava
- Pharmacognosy and Ethnopharmacology Division, CSIR-National Botanical Research Institute, Lucknow 226001, Uttar Pradesh India
| | - Preeti Rawat
- Department of Animal Biotechnology Center, ICAR-National Dairy Research Institute, Karnal, 132001, India
| | - S Ghosh
- Entomology Laboratory, Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, Uttar Pradesh, India.
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Comparative susceptibility of Rhipicephalus microplus collected from the northern state of India to coumaphos, malathion, deltamethrin, ivermectin, and fipronil. Trop Anim Health Prod 2021; 53:460. [PMID: 34542704 DOI: 10.1007/s11250-021-02886-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 09/10/2021] [Indexed: 10/20/2022]
Abstract
The chemical-based tick management method is gradually losing its clutch due to the establishment of resistant ticks. For development of region-specific tick management strategies, the present study was aimed to evaluate the comparative resistance profile of Rhipicephalus microplus isolates collected from seven districts of Uttar Pradesh, a northern state of India. Comparative analysis of the dose-response data using adult immersion test (AIT) against coumaphos, malathion, deltamethrin, ivermectin, and fipronil revealed that all the isolates were resistant to discriminating concentration of deltamethrin having LC50 of 295.12-436.52 ppm with a resistance ratio of 22.02-32.58. An emerging low level of ivermectin resistance (resistance ratio, RR50 = 1.03-2.26) with LC50 in the range of 22.39-48.98 ppm was found across the isolates. The coumaphos was highly effective against all except Amethi (AMT) isolate. Similarly, malathion was efficacious against most of the isolates except Pratapgarh (PRT) and Sultanpur (SUL) isolates showing LC50 of 5128.61 and 5623.41 ppm, respectively. All the isolates were responsive to fipronil. Comparative detoxifying enzymes profiles revealed a significant correlation between the increased activity of esterase and deltamethrin resistance. The GST activity was 51.2% correlated with RR50 of malathion while esterase activity was significantly correlated (68.9%) with RR50 of coumaphos. No correlation between the ivermectin resistance and enzyme activity was established. Multiple sequence analysis of S4-5 linker region of the sodium channel gene of all the isolates revealed a point mutation at 190th position (C190A) which is associated with deltamethrin resistance. The possible tick management strategies in this part of the country are discussed.
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Nwanade CF, Wang M, Wang T, Zhang X, Wang C, Yu Z, Liu J. Acaricidal activity of Cinnamomum cassia (Chinese cinnamon) against the tick Haemaphysalis longicornis is linked to its content of (E)-cinnamaldehyde. Parasit Vectors 2021; 14:330. [PMID: 34158107 PMCID: PMC8220678 DOI: 10.1186/s13071-021-04830-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 06/07/2021] [Indexed: 11/13/2022] Open
Abstract
Background The tick Haemaphysalis longicornis (Neumann) is a well-known vector of numerous pathogens of veterinary and medical importance. Various control strategies, including the use of synthetic pesticides, have been developed to control this tick species. However, demand for effective and safe alternative pesticides is increasing due to the adverse effects associated with the intensive and injudicious use of synthetic pesticides, which include undesirable effects on non-target species and environmental pollution. Hence, the acaricidal activity of the extract and the essential oil of Cinnamomum cassia (Chinese cinnamon) and their major components, and the underlying mechanisms of this activity, were evaluated against unfed larvae and nymphs of H. longicornis. Methods The components of the extract and essential oil of C. cassia were determined by gas chromatography-mass spectrometry, and their larvicidal and nymphicidal activity were evaluated using the larval and nymphal packet test. The underlying detoxification mechanism was elucidated by targeting in vivo esterase and monooxygenase activity, and the toxicological effect was assessed on non-target Tenebrio molitor and Harmonia axyridis by topical application in open Petri dishes. Results (E)-cinnamaldehyde was the predominant component of the extract (50.79%) and essential oil (89.95%). The 50% lethal concentration (LC50) for larvae and nymphs treated with the extract was 11.56 and 49.18 mg/mL, respectively. The essential oil, (E)-cinnamaldehyde and fenvalerate exhibited acaricidal activity, with LC50 values of 3.81, 3.15, and 0.14 mg/mL, respectively, against the larvae, and 21.31, 16.93, and 1.89 mg/mL, respectively, against the nymphs. (E)-cinnamaldehyde significantly increased esterase and monooxygenase activity in both larvae and nymphs. Unlike fenvalerate, C. cassia essential oil and (E)-cinnamaldehyde did not cause mortality of T. molitor or H. axyridis adults. Conclusions This study demonstrates that C. cassia essential oil and (E)-cinnamaldehyde have the potential to be developed into botanical-based larvicidal and nymphicidal agents for tick control. Graphical abstract ![]()
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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
- Department of Biochemistry and Biology, Basic Medical College, Hebei University of Chinese Medicine, Shijiazhuang, 050200, China
| | - Xiaoyu Zhang
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Can 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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Nagar G, Upadhaya D, Sharma AK, Kumar R, Fular A, Ghosh S. Association between overexpression of cytochrome P450 genes and deltamethrin resistance in Rhipicephalus microplus. Ticks Tick Borne Dis 2020; 12:101610. [PMID: 33285351 DOI: 10.1016/j.ttbdis.2020.101610] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 11/04/2020] [Accepted: 11/05/2020] [Indexed: 12/22/2022]
Abstract
Cytochrome P450 monooxygenases mediated metabolic detoxification has been recognized as one of the mechanisms involved in resistance to pyrethroids, which is a class of pesticides that includes acaricides such as deltamethrin. Several cytochrome P450 (CYP) genes were identified in arthropod pests which are upregulated in response to exposure to pesticides used as acaricides. However, to date, limited information is available with respect to CYP genes and their response to acaricide exposure in ticks. We cloned and sequenced four CYP genes, the CYP41, CYP3006G8, CYP319A1 and CYP4W1 from reference susceptible IVRI-I strain of Rhipicephalus microplus. The expression pattern of the genes was investigated using qPCR in reference susceptible IVRI-I, pyrethroid-resistant IVRI-IV and multi-acaricide resistant IVRI-V strains. The effect of a single exposure of deltamethrin, at a concentration of 2600 μg/mL and 299.7 μg/mL on IVRI-IV and IVRI-V strains, respectively, on the expression of the four CYP genes was evaluated. In IVRI-IV strain, the CYP41 gene was highly overexpressed (FC 8.72) while CYP3006G8 was underexpressed with FC of 0.06. All the four genes were overexpressed in IVRI-V strain. After exposure to deltamethrin, the CYP3006G8 transcript levels were significantly upregulated at all time intervals in both resistant strains with the highest FC of 11.62 at 12 h in IVRI-IV and 13.38 at 3 h in IVRI-V. Our results suggest that the constitutive overexpression of CYP41 and deltamethrin induced upregulation of CYP3006G8 contribute to the development of pyrethroid resistance, specifically deltamethrin, in these two reference strains.
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Affiliation(s)
- Gaurav Nagar
- Entomology Laboratory, Division of Parasitology, Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, U.P., India
| | - Deepak Upadhaya
- Entomology Laboratory, Division of Parasitology, Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, U.P., India
| | - Anil Kumar Sharma
- Entomology Laboratory, Division of Parasitology, Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, U.P., India
| | - Rinesh Kumar
- Entomology Laboratory, Division of Parasitology, Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, U.P., India
| | - Ashutosh Fular
- Entomology Laboratory, Division of Parasitology, Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, U.P., India
| | - Srikant Ghosh
- Entomology Laboratory, Division of Parasitology, Indian Veterinary Research Institute, Izatnagar, Bareilly, 243122, U.P., India.
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