DAO 108:37-44 (2014)  -  doi:10.3354/dao02690

In vitro growth of the microsporidian Heterosporis saurida in the eel kidney EK-1 cell line

Mona Saleh1, Gokhlesh Kumar1, Abdel-Azeem Abdel-Baki2,3, Mansour El-Matbouli1, Saleh Al-Quraishy2,* 

1Clinical Division of Fish Medicine, University of Veterinary Medicine, Vienna, Austria
2Zoology Department, College of Science, King Saud University, Riyadh, Saudi Arabia
3Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
*‑Corresponding author:

ABSTRACT: Heterosporis saurida is an intracellular microsporidian that infects lizardfish Saurida undosquamis. Although some attempts have been introduced to clarify microsporidian host-pathogen interactions, development of novel strategies to combat fish diseases is still needed. Here we present an in vitro cultivation model for fish microsporidia based on an eel kidney cell line (EK-1), which is susceptible to infection by H. saurida. Spores were isolated from infected lizardfish and used to inoculate EK-1 cells. H. saurida were propagated in the eel kidney EK-1 cell line and detected by immunofluorescence. Developmental stages of H. saurida were seen in EK-1 cells by transmission electron microscopy. Identity of the parasite was confirmed by partial sequencing of the 16S rDNA gene. Our cell culture model provides a valuable means to explore molecular and immunological events and will facilitate development of effective treatment strategies.


KEY WORDS: Fish · Microsporidia · Heterosporis saurida · Disease · Cell culture · EK-1 cell line


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Cite this article as: Saleh M, Kumar G, Abdel-Baki AA, El-Matbouli M, Al-Quraishy S (2014) In vitro growth of the microsporidian Heterosporis saurida in the eel kidney EK-1 cell line. Dis Aquat Org 108:37-44

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