Korean J Parasitol.  2010 Dec;48(4):335-338. 10.3347/kjp.2010.48.4.335.

Discovery of Maritrema jebuensis n. sp. (Digenea: Microphallidae) from the Asian Shore Crab, Hemigrapsus sanguineus, in Korea

Affiliations
  • 1Chungnam Development Institute, Gongju 314-140, Korea.
  • 2Department of Parasitology, Dankook University College of Medicine, Cheonan 330-714, Korea. bbbenji@naver.com
  • 3Department of Parasitology, Biomedical Center for Brain Korea 21 and Institute of Health Science Gyeongsang National University School of Medicine, Jinju 660-751, Korea.
  • 4Department of Biomedical Science, Dankook University College of Medicine, Cheonan 330-714, Korea.
  • 5Department of Plastic Surgery, Dankook University College of Medicine, Cheonan 330-714, Korea.
  • 6Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine, and Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul 110-799, Korea.

Abstract

Maritrema spp. (Digenea: Microphallidae) are parasites of birds, but have not been found in the Republic of Korea. In this study, metacercariae of Maritrema sp. were discovered in the Asian shore crab, Hemigrapsus sanguineus, caught in the mud-flats of Jebu-do, Hwasung-gun, Gyeonggi-do, and the adult flukes were confirmed by experimental infection into mice. Based on the symmetric ribbon-like vitellarium, adult flukes of Maritrema sp. were identified, but did not belong to previously described species in terms of the following morphologic characteristics: ceca reaching to the lateral wall at the anterior border of the ovary; ventral sucker larger than oral sucker; a prominent metraterm; and vitellarium forming a complete ring. Hence, we named this microphallid M. jebuensis n. sp. after the island where the second intermediate hosts were collected. From this study, it has been shown that Maritrema sp. is distributed in Korea and transmitted by the Asian shore crab, H. sanguineus.

Keyword

Maritrema jebuensis; intestinal fluke; Asian shore crab; Jebu-do

MeSH Terms

Animals
Brachyura/*parasitology
Disease Models, Animal
Metacercariae/anatomy & histology/isolation & purification
Mice
Mice, Inbred ICR
Republic of Korea
Trematoda/anatomy & histology/*classification/*isolation & purification
Trematode Infections/parasitology/pathology
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