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Echinostoma macrorchis Metacercariae in Cipangopaludina chinensis malleata from Xiengkhuang Province, Lao PDR and Morphologies of Adults from Experimental Animals.
Korean J Parasitol. 2019 Dec; 57(6):657-664.KJ

Abstract

We identified the echinostome metacercariae in Chinese mystery snails, Cipangopaludina chinensis malleata, from Xiengkhuang Province, Lao PDR with morphologies of adult worms recovered. Total 20 snails were examined with artificial digestion method and then the collected metacercariae were orally infected to a mouse and a rat. Adult worms recovered from experimental animals were observed with a light microscope and a SEM. The metacercariae were round, 125×123 µm in average size, with a moderately thick cyst wall, collar spines distributed in the head collar and excretory granules in 2 canals of excretory tube. Adult flukes (3-week-old in a rat) were elongated, ventrally curved and 5.310×1.023 mm in average size. Head collar distinct, bearing 43 collar spines with 5 end group ones on each side. Oral sucker subterminal, prepharynx very short, pharynx well developed, and esophagus relatively short. Cirrus sac well developed, with a saccular seminal vesicle, and ventral sucker very large. Ovary round and on the median line of the body. Testes tandom and elongated. Eggs operculated, elliptical and 90×57 µm in average size. In the SEM observation, the head crown prominent, with 43 collar spines resembled with horns of younger stag. Scale-like tegumental spines were densely distributed on the surface between the head collar and ventral sucker, and their densities were decreased posteriorly. Conclusively, the metacercariae detected in C. chinensis malleata from Lao PDR were identified as those of Echinostoma macrorchis based on the morphological characteristics of adult worms.

Authors+Show Affiliations

Department of Parasitology and Tropical Medicine, and Institute of Health Sciences, Gyeongsang National University College of Medicine, Jinju 52727, Korea.Department of Parasitology and Tropical Medicine, and Institute of Health Sciences, Gyeongsang National University College of Medicine, Jinju 52727, Korea.Department of Parasitology and Parasite Research Center, Parasite Resource Bank, Chungbuk National University School of Medicine, Cheongju 28644, Korea.Department of Parasitology and Parasite Research Center, Parasite Resource Bank, Chungbuk National University School of Medicine, Cheongju 28644, Korea.Department of Environmental Medical Biology and Institute of Tropical Medicine and Arthropods of Medical Importance Resource Bank, Yonsei University College of Medicine, Seoul 03722, Korea.Institute of Parasitic Diseases, Korea Association of Health Promotion, Seoul 07649, Korea. Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine, Seoul 03080, Korea.Department of Microbiology, Ulji University College of Medicine, Daejeon 34824, Korea.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31914519

Citation

Sohn, Woon-Mok, et al. "Echinostoma Macrorchis Metacercariae in Cipangopaludina Chinensis Malleata From Xiengkhuang Province, Lao PDR and Morphologies of Adults From Experimental Animals." The Korean Journal of Parasitology, vol. 57, no. 6, 2019, pp. 657-664.
Sohn WM, Na BK, Lee D, et al. Echinostoma macrorchis Metacercariae in Cipangopaludina chinensis malleata from Xiengkhuang Province, Lao PDR and Morphologies of Adults from Experimental Animals. Korean J Parasitol. 2019;57(6):657-664.
Sohn, W. M., Na, B. K., Lee, D., Eom, K. S., Yong, T. S., Chai, J. Y., & Min, D. Y. (2019). Echinostoma macrorchis Metacercariae in Cipangopaludina chinensis malleata from Xiengkhuang Province, Lao PDR and Morphologies of Adults from Experimental Animals. The Korean Journal of Parasitology, 57(6), 657-664. https://doi.org/10.3347/kjp.2019.57.6.657
Sohn WM, et al. Echinostoma Macrorchis Metacercariae in Cipangopaludina Chinensis Malleata From Xiengkhuang Province, Lao PDR and Morphologies of Adults From Experimental Animals. Korean J Parasitol. 2019;57(6):657-664. PubMed PMID: 31914519.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Echinostoma macrorchis Metacercariae in Cipangopaludina chinensis malleata from Xiengkhuang Province, Lao PDR and Morphologies of Adults from Experimental Animals. AU - Sohn,Woon-Mok, AU - Na,Byoung-Kuk, AU - Lee,Dongmin, AU - Eom,Keeseon S, AU - Yong,Tai-Soon, AU - Chai,Jong-Yil, AU - Min,Duk-Young, Y1 - 2019/12/31/ PY - 2019/08/21/received PY - 2019/11/09/accepted PY - 2020/1/9/entrez PY - 2020/1/9/pubmed PY - 2020/5/16/medline KW - Chinese mystery snails KW - Cipangopaludina chinensis malleata KW - Echinostoma macrorchis KW - Lao PDR KW - Xiengkhuang Province KW - adult KW - metacercaria SP - 657 EP - 664 JF - The Korean journal of parasitology JO - Korean J Parasitol VL - 57 IS - 6 N2 - We identified the echinostome metacercariae in Chinese mystery snails, Cipangopaludina chinensis malleata, from Xiengkhuang Province, Lao PDR with morphologies of adult worms recovered. Total 20 snails were examined with artificial digestion method and then the collected metacercariae were orally infected to a mouse and a rat. Adult worms recovered from experimental animals were observed with a light microscope and a SEM. The metacercariae were round, 125×123 µm in average size, with a moderately thick cyst wall, collar spines distributed in the head collar and excretory granules in 2 canals of excretory tube. Adult flukes (3-week-old in a rat) were elongated, ventrally curved and 5.310×1.023 mm in average size. Head collar distinct, bearing 43 collar spines with 5 end group ones on each side. Oral sucker subterminal, prepharynx very short, pharynx well developed, and esophagus relatively short. Cirrus sac well developed, with a saccular seminal vesicle, and ventral sucker very large. Ovary round and on the median line of the body. Testes tandom and elongated. Eggs operculated, elliptical and 90×57 µm in average size. In the SEM observation, the head crown prominent, with 43 collar spines resembled with horns of younger stag. Scale-like tegumental spines were densely distributed on the surface between the head collar and ventral sucker, and their densities were decreased posteriorly. Conclusively, the metacercariae detected in C. chinensis malleata from Lao PDR were identified as those of Echinostoma macrorchis based on the morphological characteristics of adult worms. SN - 1738-0006 UR - https://www.unboundmedicine.com/medline/citation/31914519/Echinostoma_macrorchis_Metacercariae_in_Cipangopaludina_chinensis_malleata_from_Xiengkhuang_Province_Lao_PDR_and_Morphologies_of_Adults_from_Experimental_Animals_ L2 - http://www.parasitol.or.kr/kjp/DOIx.php?id=10.3347/kjp.2019.57.6.657 DB - PRIME DP - Unbound Medicine ER -