Parasites, Hosts and Diseases

The Korea Society for Parasitology and Tropical Medicine (대한기생충학·열대의학회)
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Balantidium honghuensis n. sp. (Ciliophora: Trichostomatidae) from the Rectum of Rana nigromaculata and R. limnocharis from Honghu Lake, China

  • Li, Ming (Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University) ;
  • Li, Weidong (Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University) ;
  • Zhang, Lei (Hubei Key Laboratory of Animal Nutrition and Feed Science, Wuhan Polytechnic University) ;
  • Wang, Chong (Institute of Hydroecology, Ministry of Water Resources & Chinese Academy of Sciences)
  • Received : 2013.05.29
  • Accepted : 2013.07.24
  • Published : 2013.08.31
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Abstract

A new trichostome ciliate, Balantidium honghuensis n. sp., was isolated from the recta of Rana nigromaculata and R. limnocharis during parasite surveys in Honghu Lake, Hubei Province, central China in summmer of 2010 and 2011. Its detailed morphometric characters based on LM and SEM studies were described herein. The organism is oval in shape and thickly ciliated. The vestibulum is "V" shaped and occupies about 1/3 to 2/5 of the body length. The vestibular and nearby regions possess strong peripheral fibers which form a marked axial fiber about the cytopharynx. More than 10 contractile vacuoles are distributed along the periphery of the latter body. Comparisions were made between this new species and B. sinensis Nie, 1935. They were discriminated from each other in terms of general body forms, body size, and vestibulum shapes. Besides, special attention was paid to its high-speed daughter swarmers which we believed to be the infective stage of B. honghuensis. Possible infection routes of anura amphibian balantidia were discussed.

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References

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