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Publication Details
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Ernieenor Faraliana Che Lah, Salmah Yaakop, Mariana Ahamad, Ernna George and Shukor Md Nor (2014). Molecular phylogeny of a tick, Ixodes granulatus (Acari: Ixodidae) based on cytochrome oxidase subunit I (COI) marker. AIP Conference Proceeding 1614: 719-726

Abstract :

Identification of a local species of tick, Ixodes granulatus from the family Ixodidae is essential because it has potential to be vector for spotted fever group (SFG) rickettsia and tick thypus. The aim of this study is to portray the relationships among several populations of I. granulatus collected from different species of animal hosts and localities in Peninsular Malaysia. Polymerase Chain Reaction was conducted by amplifying mitochondrial DNA marker, namely cytochrome oxidase subunit I (COI) sequences from 15 individual ticks that attached to five different hosts caught from three different localities. Confirmation of the species identity was accomplished using BLAST program. Neighbor-joining (NJ) and Maximum Parsimony (MP) tree based on COI sequences were constructed by using PAUP 4.0b10 to identify the relationship among species. The result of this study showed a high genetic heterogeneity between I. granulatus and other species of the same genus (7.2-23.7%). Furthermore, a low intraspecific variation was observed among the species of I. granulatus collected from different localities (0-3.7%). This study produced the first establishment of molecular marker for clarifying genetic species variation and diversity of local I. granulatus tick which contribute to the control of tickborne infections.




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