In vitro and in vivo efficacy of drugs against the protozoan parasite Azumiobodo hoyamushi that causes soft tunic syndrome in the edible ascidian Halocynthia roretzi (Drasche)

© 2013 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Journal of fish diseases. - 1998. - 37(2014), 4 vom: 03. Apr., Seite 309-17
1. Verfasser: Park, K H (VerfasserIn)
Weitere Verfasser: Zeon, S-R, Lee, J-G, Choi, S-H, Shin, Y K, Park, K-I
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Journal of fish diseases
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Azumiobodo hoyamushi antiprotozoal drugs ascidians in vitro and vivo efficacy soft tunic syndrome Antiprotozoal Agents Disinfectants
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520 |a It was discovered recently that infection by a protozoan parasite, Azumiobodo hoyamushi, is the most probable cause for soft tunic syndrome in an edible ascidian, Halocynthia roretzi (Drasche). In an attempt to develop measures to eradicate the causative parasite, various drugs were tested for efficacy in vitro and in vivo. Of the 20 antiprotozoal drugs having different action mechanisms, five were found potent (24-h EC50  < 10 mg L(-1) ) in their parasite-killing effects: formalin, H2 O2 , bithionol, ClO2 and bronopol. Moderately potent drugs (10 < 24-h EC50  < 100 mg L(-1) ) were quinine, fumagillin, amphotericin B, ketoconazole, povidone-iodine, chloramine-T and benzalkonium chloride. Seven compounds, metronidazole, albendazole, paromomycin, nalidixic acid, sulfamonomethoxine, KMnO4 , potassium monopersulphate and citric acid, exhibited EC50  > 100 mg L(-1) . When ascidians were artificially infected with A. hoyamushi, treated using 40 mg L(-1) formalin, bronopol, ClO2 , or H2 O2 for 1 h and then monitored for 24 h, very low mortality was observed. However, the number of surviving parasite cells in the ascidian tunic tissues was significantly reduced by treating with 40 mg L(-1) formalin or ClO2 for 1 h. The data suggest that we might be able to develop a disinfection measure using a treatment regimen involving commonly available drugs 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Azumiobodo hoyamushi 
650 4 |a antiprotozoal drugs 
650 4 |a ascidians 
650 4 |a in vitro and vivo efficacy 
650 4 |a soft tunic syndrome 
650 7 |a Antiprotozoal Agents  |2 NLM 
650 7 |a Disinfectants  |2 NLM 
700 1 |a Zeon, S-R  |e verfasserin  |4 aut 
700 1 |a Lee, J-G  |e verfasserin  |4 aut 
700 1 |a Choi, S-H  |e verfasserin  |4 aut 
700 1 |a Shin, Y K  |e verfasserin  |4 aut 
700 1 |a Park, K-I  |e verfasserin  |4 aut 
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