Complete Mitochondrial Genome Sequence Data Provides Genetic Evidence That the Brown Dog Tick <i>Rhipicephalus sanguineus</i> (Acari: Ixodidae) Represents a Species Complex

Liu, Guo-Hua; Chen, Fen; Chen, Yi-Zhou; Song, Hui-Qun; Lin, Rui-Qing; Zhou, Dong-Hui; Zhu, Xing-Quan

doi:10.7150/ijbs.6081

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Int J Biol Sci 2013; 9(4):361-369. doi:10.7150/ijbs.6081 This issue Cite

Research Paper

Complete Mitochondrial Genome Sequence Data Provides Genetic Evidence That the Brown Dog Tick Rhipicephalus sanguineus (Acari: Ixodidae) Represents a Species Complex

Guo-Hua Liu^1,2, Fen Chen^1,3, Yi-Zhou Chen^1,4, Hui-Qun Song¹, Rui-Qing Lin^1,4, Dong-Hui Zhou¹, Xing-Quan Zhu^{1,2, ✉}

1. State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, China,
2. College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan Province, China,
3. Department of Preclinical Medicine, Xiangnan University, Chenzhou, Hunan Province, China,
4. College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong Province, China.

Citation:

Liu GH, Chen F, Chen YZ, Song HQ, Lin RQ, Zhou DH, Zhu XQ. Complete Mitochondrial Genome Sequence Data Provides Genetic Evidence That the Brown Dog Tick Rhipicephalus sanguineus (Acari: Ixodidae) Represents a Species Complex. Int J Biol Sci 2013; 9(4):361-369. doi:10.7150/ijbs.6081. https://www.ijbs.com/v09p0361.htm

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Abstract

Ticks are blood-sucking ectoparasites of great medical and veterinary significance that can transmit bacteria, protozoa, fungi and viruses, and cause a variety of human and animal diseases worldwide. In the present study, we sequenced the complete mitochondrial (mt) genome of Rhipicephalus sanguineus from China (RSC) and compared with that of R. sanguineus from USA (RSU). Nucleotide sequence difference in the full mt genome was 11.23% between RSC and RSU. For the 13 protein-coding genes, comparison revealed sequence divergences at both the nucleotide (9.34-15.65%) and amino acid (2.54-19.23%) levels between RSC and RSU. In addition, sequence comparison of the conserved mt cox1 and cytb genes among multiple individual R. sanguineus revealed substantial nucleotide differences between RSC and RSU but limited sequence variation within RSC. Phylogenetic analysis of ticks based on the amino acid sequence data of 13 protein-coding genes revealed that R. sanguineus from China and R. sanguineus from USA represent sister taxa (likely separate species). Taken together, the findings support the recently proposal that R. sanguineus tick may represents a species complex of at least two closely related species.

Keywords: Rhipicephalus sanguineus, species complex, mitochondrial genome, mitochondrial DNA, phylogenetic analysis.

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APA

Liu, G.H., Chen, F., Chen, Y.Z., Song, H.Q., Lin, R.Q., Zhou, D.H., Zhu, X.Q. (2013). Complete Mitochondrial Genome Sequence Data Provides Genetic Evidence That the Brown Dog Tick Rhipicephalus sanguineus (Acari: Ixodidae) Represents a Species Complex. International Journal of Biological Sciences, 9(4), 361-369. https://doi.org/10.7150/ijbs.6081.

ACS

Liu, G.H.; Chen, F.; Chen, Y.Z.; Song, H.Q.; Lin, R.Q.; Zhou, D.H.; Zhu, X.Q. Complete Mitochondrial Genome Sequence Data Provides Genetic Evidence That the Brown Dog Tick Rhipicephalus sanguineus (Acari: Ixodidae) Represents a Species Complex. Int. J. Biol. Sci. 2013, 9 (4), 361-369. DOI: 10.7150/ijbs.6081.

NLM

CSE

Liu GH, Chen F, Chen YZ, Song HQ, Lin RQ, Zhou DH, Zhu XQ. 2013. Complete Mitochondrial Genome Sequence Data Provides Genetic Evidence That the Brown Dog Tick Rhipicephalus sanguineus (Acari: Ixodidae) Represents a Species Complex. Int J Biol Sci. 9(4):361-369.

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