Abstract
Malaria is one of the most important parasitic diseases that causes a serious public health problem. The genetic diversity of malaria parasites may affect malaria transmission and malaria control strategies. In China, imported malaria was significantly increased in recent years, among which numerous migrant workers were infected with Plasmodium falciparum from Africa. However, little was known about genetic diversity of these populations in China. In this study, we evaluated genetic polymorphism and allele frequencies of msp1, msp2, and glurp genes in P. falciparum among Chinese migrant workers returnee from Africa between 2013 and 2017. Of the 381 P. falciparum isolates, 89.0% for msp1 gene, 71.7% for msp2 gene, and 78.0% for glurp gene were successfully genotyped. In msp1, 29 different alleles were observed, among which the K1 allelic family (71.7%) was predominant. In msp2, 21 different alleles were detected, of which the 3D7 allelic family (91.2%) was more frequent than FC27 allelic family (72.5%). For glurp, 12 individual alleles were detected in the samples. Taken together, the findings showed a high genetic diversity of these isolates, which provided the baseline data for African P. falciparum population imported to China.
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Funding
This work was supported by the Medicine and Health Science Technology Development Plan of Shandong Province (No. 202001050479), Academic Promotion Programme of Shandong First Medical University (No. 2019QL005), and the Innovation Project of Shandong Academy of Medical Sciences.
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The study was approved by the Ethics Committee of Shandong Institute of Parasitic Diseases (Jining, China).
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The authors declare no competing interests.
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Section Editor: Xing-Quan ZHU
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Xu, C., Huang, B., Wei, Q. et al. High genetic diversity in Plasmodium falciparum isolates among Chinese migrant workers returnee from Africa. Parasitol Res 121, 461–464 (2022). https://doi.org/10.1007/s00436-021-07368-5
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DOI: https://doi.org/10.1007/s00436-021-07368-5