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Gynaecotyla squatarolae (Digenea: Microphallidae) from rats experimentally infected with metacercariae from the shore crab, Macrophthalmus dilatatus

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Authors
Seo, Min; Guk, Sang-Mee; Lee, Seung-Ha; Chai, Jong-Yil
Issue Date
2007-09-19
Publisher
Korean Society for Parasitology
Citation
Korean J Parasitol. 2007 Sep;45(3):199-204.
Keywords
AnimalsBrachyura/*parasitologyFemaleHost-Parasite InteractionsKoreaLife Cycle Stages/physiologyMaleRatsRats, Sprague-DawleyTime FactorsTrematoda/*anatomy & histology/isolation & purification/*pathogenicityTrematode Infections/parasitology/*veterinary
Abstract
Metacercariae of Gynaecotyla squatarolae (Digenea: Microphallidae) were discovered from the shore crab, Macrophthalmus dilatatus, purchased at a market in a coastal town of Taean-Eup, Chungcheongnam-do, Republic of Korea. Their adult flukes were confirmed by experimental infection of rats. The metacercariae of G. squatarolae were elliptical (391.1 x 362.5 micrometer), and the excysted metacercariae had progenetic genital organs, including the ovary and testes. To obtain adult flukes, 6 Sprague-Dawley rats were fed 500 metacercariae each, and killed at days 2, 4, and 6 post-infection. The adult flukes were identified as G. squatarolae (Yamaguti, 1934) Yamaguti, 1939, based on morphological characters, including 2 ventral suckers (1 large and 1 small), a large genital atrium equipped with the cirrus and the metraterm, separated male and female genital pores, a transversely long cirrus pouch, and extensive vitelline follicles. In the present study, it has been first proven that the shore crab M. dilatatus is a second intermediate host for G. squatarolae in the Republic of Korea.
ISSN
0023-4001 (Print)
Language
English
URI
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=17876165

https://hdl.handle.net/10371/29392
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College of Medicine/School of Medicine (의과대학/대학원)Parasitology and Tropical Medicine (기생충학전공)Journal Papers (저널논문_기생충학전공)
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