Occurrence of a Hybrid Between Taenia saginata and Taenia asiatica Tapeworms in Cambodia

Taehee Chang; Bong-Kwang Jung; Sooji Hong; Hyejoo Shin; Seungwan Ryoo; Jeonggyu Lee; Keon Hoon Lee; Hansol Park; Keeseon S. Eom; Virak Khieu; Rekol Huy; Woon-Mok Sohn; Jong-Yil Chai

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자료유형: 학술저널

저자정보: Taehee Chang (Korea Association of Health Promotion) Bong-Kwang Jung (Korea Association of Health Promotion) Sooji Hong (Korea Association of Health Promotion) Hyejoo Shin (Korea Association of Health Promotion) Seungwan Ryoo (Korea Association of Health Promotion) Jeonggyu Lee (Korea Association of Health Promotion) Keon Hoon Lee (Korea Association of Health Promotion) Hansol Park (Chungbuk National University College of Medicine) Keeseon S. Eom (Chungbuk National University College of Medicine) Virak Khieu (Ministry of Health) Rekol Huy (Ministry of Health) Woon-Mok Sohn (Gyeongsang National University College of Medicine) Jong-Yil Chai (Korea Association of Health Promotion)

저널정보: 대한기생충학열대의학회 Parasites, Hosts and Diseases The Korean Journal of Parasitology Vol.59 No.2

발행연도: 2021.4

수록면: 179 - 182 (4page)

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Human infection with Taenia asiatica or a hybrid between Taenia saginata and T. asiatica has not been reported in Cambodia. We detected for the first time a hybrid form between T. saginata and T. asiatica in Preah Vihear Province, Cambodia. An adult tapeworm specimen, i.e., 75 cm long strobila without scolex, was expelled from a 27-year-old man after praziquantel medication and purging. It was morphologically indistinguishable between T. saginata and T. asiatica. Several proglottids were molecularly analyzed to confirm the tapeworm species. The mitochondrial gene encoding cytochrome c oxidase subunit 1 (cox1) and nuclear genes encoding elongation factor-1α (ef1) and ezrin-radixin-moesin (ERM)-like protein (elp) were sequenced, and a single-allele analysis was performed to confirm the haploid genotype. The results revealed that our sample showed a discrepancy between the mitochondrial and 2 nuclear genes. It possessed homozygous sequences typical of T. saginata at cox1 and ef1 loci. However, it was heterozygous at the elp locus, with 1 allele in T. asiatica (elpA) and 1 in T. saginata (elpC), which indicates that it is a hybrid between T. saginata and T. asiatica. The present results confirmed the presence of a hybrid between T. saginata and T. asiatica in Cambodia and strongly suggest the existence of also ‘pure’ T. asiatica in Cambodia.

#Taenia saginata #Taenia asiatica #hybrid #allelic study #Cambodia

참고문헌 (14)

참고문헌 신청

채종일 / 2013 / Human Taeniasis in the Republic of Korea: Hidden or Gone? / The Korean Journal of Parasitology 51(1):9~17

Eom KS / 1993 / Morphological descriptions of Taenia asiatica sp. n / Korean J Parasitol 31:1~6

엄기선 / 2009 / Geographical Distribution of Taenia asiatica and Related Species / The Korean Journal of Parasitology 47(suppl):115~124

Eom KS / 2020 / Taenia asiatica: historical overview of taeniasis and cysticercosis with molecular characterization / Adv Parasitol 108:133~173

Okamoto M / 2010 / Evidence of hybridization between Taenia saginata and Taenia asiatica / Parasitol Int 5:70~74

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