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Wang L, Teng Z, Wan L, Wang W, Yuan S, Huang Q, Huang J, Zhao N, Wang M, Cao K, Huang H, Xu J, Yuan Y, Qin T. Molecular Epidemiology of Ticks and Tick-Borne Pathogens in the Ta-Pa Mountain Area of Chongqing, China. Pathogens 2024; 13:948. [PMID: 39599501 PMCID: PMC11597067 DOI: 10.3390/pathogens13110948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2024] [Revised: 10/21/2024] [Accepted: 10/28/2024] [Indexed: 11/29/2024] Open
Abstract
To validate the prevalence and biodiversity of ticks and tick-borne pathogens in Chongqing, a total of 601 ticks were collected from dogs, cattle, and goats within the Ta-pa Mountain range in Chongqing, China. Five distinct tick species were identified, including Ixodes ovatus (1.66%, 10/601), I. acutitarsus (0.50%, 3/601), Haemaphysalis flava (10.32%, 62/601), Ha. hystricis (9.82%, 59/601), and Ha. longicornis (77.70%, 467/601). A suit of semi-nest PCR and nest PCR primers were custom-synthesized for the detection of tick-borne pathogens. The analysis yielded positive results for 7.15% Rickettsia (Candidatus R. principis, R. japonica, and R. raoultii), 3.49% Anaplasma (A. bovis and A. capra), 1.16% Ehrlichia, 1.83% Coxiella burnetii, and 3.49% protozoa (Theileria. capreoli, T. orientalis, T. luwenshuni, and Babesia sp.) in ticks. Notably, Ca. R. principis was identified for the first time in I. ovatus and Ha. longicornis. These findings underscore the significant prevalence and diversity of ticks and their associated pathogens within the Chongqing Ta-pa Mountain region. This study accordingly provides an extensive dataset that contributes to the epidemiological understanding and disease prevention strategies for tick-borne illnesses in the local area.
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Affiliation(s)
- Lijun Wang
- Chengkou County Center for Disease Control and Prevention, Chongqing 405900, China; (L.W.); (L.W.); (S.Y.); (J.H.); (M.W.); (K.C.); (H.H.)
| | - Zhongqiu Teng
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (Z.T.); (W.W.); (Q.H.); (N.Z.); (J.X.)
| | - Li Wan
- Chengkou County Center for Disease Control and Prevention, Chongqing 405900, China; (L.W.); (L.W.); (S.Y.); (J.H.); (M.W.); (K.C.); (H.H.)
| | - Wen Wang
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (Z.T.); (W.W.); (Q.H.); (N.Z.); (J.X.)
| | - Shan Yuan
- Chengkou County Center for Disease Control and Prevention, Chongqing 405900, China; (L.W.); (L.W.); (S.Y.); (J.H.); (M.W.); (K.C.); (H.H.)
| | - Qingzhu Huang
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (Z.T.); (W.W.); (Q.H.); (N.Z.); (J.X.)
| | - Juan Huang
- Chengkou County Center for Disease Control and Prevention, Chongqing 405900, China; (L.W.); (L.W.); (S.Y.); (J.H.); (M.W.); (K.C.); (H.H.)
| | - Na Zhao
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (Z.T.); (W.W.); (Q.H.); (N.Z.); (J.X.)
| | - Meijia Wang
- Chengkou County Center for Disease Control and Prevention, Chongqing 405900, China; (L.W.); (L.W.); (S.Y.); (J.H.); (M.W.); (K.C.); (H.H.)
| | - Kun Cao
- Chengkou County Center for Disease Control and Prevention, Chongqing 405900, China; (L.W.); (L.W.); (S.Y.); (J.H.); (M.W.); (K.C.); (H.H.)
| | - Hai Huang
- Chengkou County Center for Disease Control and Prevention, Chongqing 405900, China; (L.W.); (L.W.); (S.Y.); (J.H.); (M.W.); (K.C.); (H.H.)
| | - Jianguo Xu
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (Z.T.); (W.W.); (Q.H.); (N.Z.); (J.X.)
| | - Yi Yuan
- Chengkou County Center for Disease Control and Prevention, Chongqing 405900, China; (L.W.); (L.W.); (S.Y.); (J.H.); (M.W.); (K.C.); (H.H.)
| | - Tian Qin
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (Z.T.); (W.W.); (Q.H.); (N.Z.); (J.X.)
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Chiu HC, Sun X, Bao Y, Fu W, Lin K, Chen T, Zheng C, Li S, Chen W, Huang C. Molecular identification of Colpodella sp. of South China tiger Panthera tigris amoyensis (Hilzheimer) in the Meihua Mountains, Fujian, China. Folia Parasitol (Praha) 2022; 69. [DOI: 10.14411/fp.2022.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 06/03/2022] [Indexed: 11/19/2022]
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King'ori EM, Obanda V, Nyamota R, Remesar S, Chiyo PI, Soriguer R, Morrondo P. Population genetic structure of the elephant tick Amblyomma tholloni from different elephant populations in Kenya. Ticks Tick Borne Dis 2022; 13:101935. [DOI: 10.1016/j.ttbdis.2022.101935] [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: 02/10/2022] [Accepted: 03/05/2022] [Indexed: 11/25/2022]
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Fang LZ, Lei SC, Yan ZJ, Xiao X, Liu JW, Gong XQ, Yu H, Yu XJ. Detection of Multiple Intracellular Bacterial Pathogens in Haemaphysalis flava Ticks Collected from Hedgehogs in Central China. Pathogens 2021; 10:pathogens10020115. [PMID: 33498714 PMCID: PMC7911675 DOI: 10.3390/pathogens10020115] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/03/2021] [Accepted: 01/15/2021] [Indexed: 11/23/2022] Open
Abstract
Tickborne intracellular bacterial pathogens including Anaplasma, Coxiella burnetti, Ehrlichia, and Rickettsia cause emerging infectious diseases worldwide. PCR was used to amplify the genes of these pathogens in Haemaphysalis flava ticks collected from hedgehogs in Central China. Among 125 samples including 20 egg batches, 24 engorged females, and 81 molted male and female adult ticks, the DNA sequences and phylogenetic analysis showed that the minimum infection rate of the ticks was 4% (5/125) for A. bovis, 3.2% (4/125) for C. burnetti, 9.6%, (12/125) for E. ewingii, and 5.6% for Rickettsia including R.japonica (3.2%, 4/125) and R. raoultii (2.4%, 3/125), respectively. The prevalence of these pathogens was significantly higher in dead engorged females (83.3%, 20/24) than in eggs (5%, 1/20) and molted ticks (8.6%, 7/81). Our study indicated that H. flava ticks could be infected with multiple species of tickborne pathogens including Anaplasma, C. burnetti, Ehrlichia, and Rickettsia in Central China, and the prevalence of these pathogens was reduced during transovarial and transstadial transmission in ticks, suggesting that ticks may not be real reservoirs but only vectors for these tickborne pathogens.
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Affiliation(s)
- Li-Zhu Fang
- State Key Laboratory of Virology, School of Health Sciences, Wuhan University, Wuhan 430071, China; (L.-Z.F.); (S.-C.L.); (X.X.); (J.-W.L.); (X.-Q.G.); (H.Y.)
| | - Si-Cong Lei
- State Key Laboratory of Virology, School of Health Sciences, Wuhan University, Wuhan 430071, China; (L.-Z.F.); (S.-C.L.); (X.X.); (J.-W.L.); (X.-Q.G.); (H.Y.)
- The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510000, China
| | | | - Xiao Xiao
- State Key Laboratory of Virology, School of Health Sciences, Wuhan University, Wuhan 430071, China; (L.-Z.F.); (S.-C.L.); (X.X.); (J.-W.L.); (X.-Q.G.); (H.Y.)
- Lab Animal Research Center, Hubei University of Chinese Medicine, Wuhan 430000, China
| | - Jian-Wei Liu
- State Key Laboratory of Virology, School of Health Sciences, Wuhan University, Wuhan 430071, China; (L.-Z.F.); (S.-C.L.); (X.X.); (J.-W.L.); (X.-Q.G.); (H.Y.)
| | - Xiao-Qing Gong
- State Key Laboratory of Virology, School of Health Sciences, Wuhan University, Wuhan 430071, China; (L.-Z.F.); (S.-C.L.); (X.X.); (J.-W.L.); (X.-Q.G.); (H.Y.)
| | - Hao Yu
- State Key Laboratory of Virology, School of Health Sciences, Wuhan University, Wuhan 430071, China; (L.-Z.F.); (S.-C.L.); (X.X.); (J.-W.L.); (X.-Q.G.); (H.Y.)
| | - Xue-Jie Yu
- State Key Laboratory of Virology, School of Health Sciences, Wuhan University, Wuhan 430071, China; (L.-Z.F.); (S.-C.L.); (X.X.); (J.-W.L.); (X.-Q.G.); (H.Y.)
- Correspondence:
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Wang X, Sun X, Sun Y, Chen K, Zhang K, Xu W, Fan K, Lin W, Chen T, Lin X, Lin K, Chiu HC, Huang C. Identification and molecular analysis of Ixodid ticks (Acari: Ixodidae) infesting wild boars (Sus scrofa) and tick-borne pathogens at the Meihua mountain of southwestern Fujian, China. VETERINARY PARASITOLOGY- REGIONAL STUDIES AND REPORTS 2020; 22:100492. [PMID: 33308736 DOI: 10.1016/j.vprsr.2020.100492] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 10/25/2020] [Accepted: 11/06/2020] [Indexed: 11/27/2022]
Abstract
Wildlife is essential to the biodiversity of the Meihua mountain, southwestern Fujian province, China. However, there have been few surveys of the distribution of ixodid ticks (Acari: Ixodidae) and tick-borne pathogens affecting wild animals at these locations. In this study, 1197 adult ixodid ticks infesting wild boars were collected from 10 sampling sites during 2019. Ticks were identified to species based on morphology, and the identification was confirmed based on mitochondrial 16S, ITS1 and ITS2 rRNA sequences. Eight tick species belonging to 2 genera were identified, including H. longicornis (n = 373, 31.1%), H. flava (n = 265, 22.1%), D. auratus (n = 153, 12.8%), H. hystricis (n = 119, 9.9%), D. silvarum (n = 116, 9.7%), H. bispinosa (n = 114, 9.5%), D. atrosignatus (n = 33, 2.8%), and D. taiwanensis (n = 24, 2.0%). DNA sequences of Rickettsia spp. (spotted fever group) and Babesia spp. were detected in these ticks. Phylogenetic analyses revealed the possible existence of Candidatus Rickettsia laoensis and Rickettsia raoultii. This study illustrates the potential threat to wild animals and humans from tick-borne pathogens.
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Affiliation(s)
- Xin Wang
- Fujian Provincial Key Laboratory for the Prevention & Control of Animal Infectious Diseases & Biotechnology, College of Life Sciences, Longyan University, Longyan 364012, Fujian Province, People's Republic of China
| | - Xiaoshuang Sun
- Fujian Provincial Key Laboratory for the Prevention & Control of Animal Infectious Diseases & Biotechnology, College of Life Sciences, Longyan University, Longyan 364012, Fujian Province, People's Republic of China
| | - Yankuo Sun
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong Province, People's Republic of China
| | - Kexin Chen
- Fujian Provincial Key Laboratory for the Prevention & Control of Animal Infectious Diseases & Biotechnology, College of Life Sciences, Longyan University, Longyan 364012, Fujian Province, People's Republic of China
| | - Kaiyao Zhang
- Fujian Provincial Key Laboratory for the Prevention & Control of Animal Infectious Diseases & Biotechnology, College of Life Sciences, Longyan University, Longyan 364012, Fujian Province, People's Republic of China
| | - Weihua Xu
- Fujian Provincial Key Laboratory for the Prevention & Control of Animal Infectious Diseases & Biotechnology, College of Life Sciences, Longyan University, Longyan 364012, Fujian Province, People's Republic of China
| | - Kewei Fan
- Fujian Provincial Key Laboratory for the Prevention & Control of Animal Infectious Diseases & Biotechnology, College of Life Sciences, Longyan University, Longyan 364012, Fujian Province, People's Republic of China
| | - Weiming Lin
- Fujian Provincial Key Laboratory for the Prevention & Control of Animal Infectious Diseases & Biotechnology, College of Life Sciences, Longyan University, Longyan 364012, Fujian Province, People's Republic of China
| | - Tengteng Chen
- Fujian Meihuashan Institute of South China Tigers Breeding, Shanghang County, 364201, Fujian Province, People's Republic of China
| | - Xipan Lin
- Fujian Meihuashan Institute of South China Tigers Breeding, Shanghang County, 364201, Fujian Province, People's Republic of China
| | - Kaixiong Lin
- Fujian Meihuashan Institute of South China Tigers Breeding, Shanghang County, 364201, Fujian Province, People's Republic of China
| | - Hung-Chuan Chiu
- Fujian Provincial Key Laboratory for the Prevention & Control of Animal Infectious Diseases & Biotechnology, College of Life Sciences, Longyan University, Longyan 364012, Fujian Province, People's Republic of China.
| | - Cuiqin Huang
- Fujian Provincial Key Laboratory for the Prevention & Control of Animal Infectious Diseases & Biotechnology, College of Life Sciences, Longyan University, Longyan 364012, Fujian Province, People's Republic of China.
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Muntaabski I, Russo RM, Liendo MC, Palacio MA, Cladera JL, Lanzavecchia SB, Scannapieco AC. Genetic variation and heteroplasmy of Varroa destructor inferred from ND4 mtDNA sequences. Parasitol Res 2020; 119:411-421. [PMID: 31915912 DOI: 10.1007/s00436-019-06591-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 12/22/2019] [Indexed: 02/01/2023]
Abstract
Varroa destructor, a parasitic mite of the western honey bee, Apis mellifera L., is a serious threat to colonies and beekeeping worldwide. Population genetics studies of the mite have provided information on two mitochondrial haplotypes infecting honey bee colonies, named K and J (after Korea and Japan, respectively, where they were originally identified). On the American continent, the K haplotype is much more prevalent, with the J haplotype only detected in some areas of Brazil. The aims of the present study were to assess the genetic diversity of V. destructor populations in the major beekeeping region of Argentina and to evaluate the presence of heteroplasmy at the nucleotide level. Phoretic mites were collected from managed A. mellifera colonies in ten localities, and four mitochondrial DNA (mtDNA) regions (COXI, ND4, ND4L, and ND5) were analyzed. Based on cytochrome oxidase subunit I (COXI) sequencing, exclusively the K haplotype of V. destructor was detected. Furthermore, two sub-haplotypes (KArg-N1 and KArg-N2) were identified from a variation in ND4 sequences and the frequency of these sub-haplotypes was found to significantly correlate with geographical latitude. The occurrence of site heteroplasmy was also evident for this gene. Therefore, ND4 appears to be a sensitive marker for detecting genetic variability in mite populations. Site heteroplasmy emerges as a phenomenon that could be relatively frequent in V. destructor.
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Affiliation(s)
- Irina Muntaabski
- Instituto de Genética "E. A. Favret", Instituto Nacional de Tecnología Agropecuaria (INTA), Grupo vinculado al Instituto de Agrobiotecnología y Biología Molecular (IABIMO) - CONICET, Hurlingham, Buenos Aires, Argentina.,Consejo de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Romina M Russo
- Instituto de Genética "E. A. Favret", Instituto Nacional de Tecnología Agropecuaria (INTA), Grupo vinculado al Instituto de Agrobiotecnología y Biología Molecular (IABIMO) - CONICET, Hurlingham, Buenos Aires, Argentina
| | - María C Liendo
- Instituto de Genética "E. A. Favret", Instituto Nacional de Tecnología Agropecuaria (INTA), Grupo vinculado al Instituto de Agrobiotecnología y Biología Molecular (IABIMO) - CONICET, Hurlingham, Buenos Aires, Argentina.,Consejo de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - María A Palacio
- Unidad Integrada INTA - Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, Balcarce, Buenos Aires, Argentina
| | - Jorge L Cladera
- Instituto de Genética "E. A. Favret", Instituto Nacional de Tecnología Agropecuaria (INTA), Grupo vinculado al Instituto de Agrobiotecnología y Biología Molecular (IABIMO) - CONICET, Hurlingham, Buenos Aires, Argentina
| | - Silvia B Lanzavecchia
- Instituto de Genética "E. A. Favret", Instituto Nacional de Tecnología Agropecuaria (INTA), Grupo vinculado al Instituto de Agrobiotecnología y Biología Molecular (IABIMO) - CONICET, Hurlingham, Buenos Aires, Argentina
| | - Alejandra C Scannapieco
- Instituto de Genética "E. A. Favret", Instituto Nacional de Tecnología Agropecuaria (INTA), Grupo vinculado al Instituto de Agrobiotecnología y Biología Molecular (IABIMO) - CONICET, Hurlingham, Buenos Aires, Argentina. .,Consejo de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.
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Mitochondrial Gene Heterogeneity and Population Genetics of Haemaphysalis longicornis (Acari: Ixodidae) in China. Acta Parasitol 2019; 64:360-366. [PMID: 31077030 DOI: 10.2478/s11686-019-00053-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Accepted: 03/28/2019] [Indexed: 12/18/2022]
Abstract
INTRODUCTION Haemaphysalis longicornis is an important ectoparasite of domestic and wild animals that can transmit many pathogens including viruses, fungi, bacteria and protozoa. MATERIALS AND METHODS In this study, we examined genetic variation and population genetics in three mitochondrial (mt) genes [cox1 (cytochrome c subunit 1), rrnL (large subunit ribosomal RNA) and nad5 (NADH dehydrogenase 5)] among four H. longicornis populations from China. RESULTS The sizes of the partial sequences of cox1, rrnL and nad5 were 776 bp, 409 bp, 510 bp, respectively. Among the obtained sequences, we identified 22 haplotypes for cox1, 2 haplotypes for rrnL and 17 haplotypes for nad5. Low gene flow and significant genetic differentiation (66.2%) were detected among H. longicornis populations. There was no rapid expansion event in the demographic history of four H. longicornis populations in China. In addition, phylogenetic analyses confirmed that all the Haemaphysalis isolates were H. longicornis which were segregated into two major clades. CONCLUSION The mt DNA genes provide a potential novel genetic marker for molecular epidemiology of H. longicornis and assist in the control of tick and tick-borne diseases in humans and animals.
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