Complete mitochondrial genome reveals genetic diversity of Angiostrongylus cantonensis (Nematoda: Angiostrongylidae)

Acta Tropica
Hoi-Sen YongPhaik-Eem Lim

Abstract

Angiostrongylus cantonensis is a zoonotic parasite that causes eosinophilic meningitis in humans. Earlier work on its mitochondrial genome was based on long polymerase chain reaction method. To date, only the mitogenome of the isolates from China has been studied. We report here the complete mitogenome of the Thailand isolate based on next generation sequencing and compare the genetic diversity with other isolates. The mitogenome of the Thailand isolate (13,519bp) is longer than those of the China isolates (13,497-13,502bp). Five protein-coding genes (atp6, cox1, cox2, cob, nad2) show variations in length among the isolates. The stop codon of the Thailand isolate differs from the China and Taiwan isolates in 4 genes (atp6, cob, nad2, nad6). Additionally, the Thailand isolate has 4 incomplete T stop codon compared to 3 in the China and Taiwan isolates. The control region is longer in the Thailand isolate (258bp) than the China (230-236bp) and Taiwan (237bp) isolates. The intergenic sequence between nad4 and cox1 genes in the Thailand isolate lacks 2bp (indels) at the 5'-end of the sequence as well as differs at 7 other sites compared to the China and Taiwan isolates. In the Thailand isolate, 18 tRNAs lack the entire TΨC-arm, com...Continue Reading

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Citations

Nov 15, 2018·Parasites & Vectors·Rebecca Cole, Mark Viney
Jul 10, 2021·Vector Borne and Zoonotic Diseases·Muxin ChenRenli Zhang

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