Molecular Characterization of Hard Ticks by Cytochrome c Oxidase Subunit 1 Sequences

文献类型: 外文期刊

第一作者: Gou, Huitian

作者: Gou, Huitian;Xue, Huiwen;Sun, Xiaolin;Yin, Hong;Luo, Jianxun

作者机构:

关键词: CO1; hard tick; divergence; phylogenetic analyses

期刊名称:KOREAN JOURNAL OF PARASITOLOGY ( 影响因子:1.341; 五年影响因子:1.669 )

ISSN: 0023-4001

年卷期: 2018 年 56 卷 6 期

页码:

收录情况: SCI

摘要: Although widely studied, the natural diversity of the hard tick is not well known. In this study, we collected 194 sequences from 67 species, covering 7 genera of hard tick. The 5' region of the mitochondrial cytochrome c oxidase subunit 1 region (586 bp) has been used to investigate intra- and inter-species variation and the phylogenetic tree of neighbor joining method has been used for assessment. As a result, by comparing the K2P-distance of intra- and interspecies, 30 samples (15.2%) shown that interspecies distance was larger than the minimum interspecfic distance. From the phylogenetic analysis, 86.8% (49) of the species were identified correctly at the genus level. On deeper analysis on these species suggested the possibility of presence cryptic species. Therefore, further work is required to delineate species boundaries and to develop a more complete understanding of hard tick diversity over larger scale.

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