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Light and electron microscopic studies of Myxobolus stomum n. sp. (Myxosporea: Myxobolidae) infecting the blackspotted grunt Plectorhynicus gaterinus (Forsskal, 1775) in the Red Sea, Egypt

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Abstract.

A new myxosporean parasite, Myxobolus stomum n. sp., is described from the oral cavity and lips of the blackspotted grunt Plectorhynicus gaterinus (Forsskal, 1775) in the Red Sea, Egypt. The parasite was observed as tiny aggregates of whitish cysts hardly noticed within the muscles of the oral cavity, especially within the lips. The spores were subspherical and measured 8.5×6.5 μm. Polar capsules were equal, pear-shaped, occupied about half of the spore length and measured 4.4×2.4 μm. Histological evaluation of the infection revealed no significant impact on the host. The ultrastructure of the plasmodial wall and sporogenesis of the present species followed the usual pattern valid for most studied myxosporean species.

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Acknowledgements.

The authors are grateful for the technical assistance of Dr. Aimdip Mouafo and Dr. Fleig in the electron microscopy. We also appreciate the University of Dresden (Freude und Förderer) for funding the electron microscopic study.

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Authors and Affiliations

  1. Beni-Suef Faculty of Science, Zoology Department, Cairo University, Egypt

    A. S. Abdel-Baki & T. Sakran

  2. National Institute of Oceanography & Fisheries, Egypt

    M. A. Ali

  3. Institute of Special Zoology and Parasitology, Technical University of Dresden, Germany

    R. Entzeroth

  4. Faculty of Science, Zoology Department, Cairo University, Egypt

    F. Abdel-Ghaffar

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  1. M. A. Ali
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  2. A. S. Abdel-Baki
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  3. T. Sakran
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  4. R. Entzeroth
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  5. F. Abdel-Ghaffar
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Correspondence to A. S. Abdel-Baki.

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Ali, M.A., Abdel-Baki, A.S., Sakran, T. et al. Light and electron microscopic studies of Myxobolus stomum n. sp. (Myxosporea: Myxobolidae) infecting the blackspotted grunt Plectorhynicus gaterinus (Forsskal, 1775) in the Red Sea, Egypt. Parasitol Res 91, 390–397 (2003). https://doi.org/10.1007/s00436-003-0978-3

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