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Population genetic structure of Neoschongastia gallinarum in South China based on mitochondrial DNA markers

  • Genetics, Evolution, and Phylogeny - Original Paper
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Abstract

The genetic diversity and differentiation of four geographic populations of Neoschongastia gallinarum were evaluated using concatenated mitochondrial gene sequences (pCOI, pCOII, and pND5). Based on the results, the N. gallinarum populations had high genetic diversity and strong ecological adaptability. Genetic differentiation among paired populations calculated using concatenated mitochondrial gene sequences revealed that geographic isolation resulted in genetic differentiation among the populations of N. gallinarum, and gene flow between populations associated with human trade activities. Systematic development and molecular variance based on haplotypes revealed that genetic variation existed in different haplotypes; however, no clear rule related to geographic region was found. Further, genetic variation was mainly derived from individuals within the population. A neutral test based on concatenated mitochondrial gene sequences and nucleotide pair differences revealed that N. gallinarum did not experience an obvious population expansion in recent historical periods. Accordingly, the population size was relatively stable.

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Funding

This work was supported in part by the Key Research and Development Program of Guangdong Province (grant no. 2019B020218004) and the Project of the Department of Education of Guangdong Province (grant no. 2021KTSCX010).

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All authors contributed to the conception and design of this study. Material preparation, data collection, and analysis were performed by Ashram, Zhang, Weng, and Lin. The first draft of the manuscript was written by Jia-Meng Tao. All authors provided feedback on previous versions of the manuscript. All authors have read and approved the final manuscript.

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Correspondence to Rui-Qing Lin.

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The authors declare no competing interests.

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Section editor: Xing-Quan ZHU

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Tao, JM., Ashram, SE.I., Alouffi, A. et al. Population genetic structure of Neoschongastia gallinarum in South China based on mitochondrial DNA markers. Parasitol Res 121, 2793–2802 (2022). https://doi.org/10.1007/s00436-022-07605-5

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  • DOI: https://doi.org/10.1007/s00436-022-07605-5

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