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Interactions Between Parasitic Ciliates and Their Hosts: Ichthyophthirius multifiliis and Cryptocaryon irritans as Examples

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Biocommunication of Ciliates

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Abstract

Among all known parasitic ciliates, Ichthyophthirius multifiliis and Cryptocaryon irritans are probably the two best studied “model parasites,” which cause the white spot diseases in freshwater and marine fish, respectively. These two parasites are not phylogenetically closely related, but share very similar life cycle and pathological manifestations. Both parasites invade and feed in the epithelial layer of the skin and gill, and trigger both innate and adaptive immune responses in fish hosts, locally and systemically. The parasite-host interactions not only help add to our knowledge of fish immunity, but also shed light on research regarding other less well-studied ciliate parasites. Future research directions are also discussed in this chapter.

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Acknowledgements

The authors would like to thank Dr. Hui Gong for his critical comments, and Glynis Asu for her research and instructional support.

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Authors and Affiliations

  1. Department of Biology, Hamilton College, Clinton, NY, 13323, USA

    Kassandra E. Zaila, Deanna Cho & Wei-Jen Chang

  2. Institute of Molecular Biology, Academia Sinica, Taipei, 11529, Taiwan

    Wei-Jen Chang

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  1. Kassandra E. Zaila
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Correspondence to Wei-Jen Chang .

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  1. Telos- Philosophische Praxis, Buermoos, Salzburg, Austria

    Guenther Witzany

  2. Institut für Zellbiologie, Universität Bern, Bern, Switzerland

    Mariusz Nowacki

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Zaila, K.E., Cho, D., Chang, WJ. (2016). Interactions Between Parasitic Ciliates and Their Hosts: Ichthyophthirius multifiliis and Cryptocaryon irritans as Examples. In: Witzany, G., Nowacki, M. (eds) Biocommunication of Ciliates. Springer, Cham. https://doi.org/10.1007/978-3-319-32211-7_18

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