Antiprotozoals effective in vitro against the scuticociliate fish pathogen Philasterides dicentrarchi

Antiprotozoals effective in vitro against the scuticociliate fish pathogen Philasterides dicentrarchi.

The histophagous ciliate Philasterides dicentrarchi causes fatal scuticociliatosis in farmed turbot Scophthalmus maximus and sea bass Dicentrarchus labrax. The present study screened 52 candidate antiprotozoals for activity against this pathogen in vitro. Of these compounds, 14 were effective (i.e. killed all ciliates within a 24 h assay period). In descending order of efficacy (minimum lethal ...

Short communication:In vitro screening of Sonneratia alba extract against the oomycete fish pathogen, Aphanomyces invadans

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Short communication:In vitro screening of Sonneratia alba extract against the oomycete fish pathogen, Aphanomyces invadans

Occurrence of scuticociliatosis in olive flounder Paralichthys olivaceus by Phiasterides dicentrarchi (Ciliophora: scuticociliatida).

In the course of identifying scuticociliates recently obtained from systemically infected olive flounder Paralichthys olivaceus in Korea, we found a scuticociliate species whose small subunit ribosomal RNA (SS rRNA) gene was not amplified by species-specific primers previously designed for Uronema marinum and Pseudocohnilembus persalinus. By studying morphological characteristics of wet-mounted...

Histopathology and Mortality in Olive Flounder Infected by Scuticociliatosis caused by Philasterides dicentrarchi

The histophagous scuticociliate, Philasterides dicentrarchi, infects Korean olive flounder, Paralichthys olivaceus, cultured on Jeju Island in South Korea, causing significant economic losses. However, its route of entry is yet unknown. In the present study, we experimentally infected olive flounder by immersion or injection of different concentrations of P. dicentrarchi. Cumulative mortality w...