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http://dx.doi.org/10.7847/jfp.2021.34.1.047

First report of Paranophrys marina (Protozoa, Ciliophora, Scuticociliatia) isolated from olive flounder Paralichthys olivaceus in Korea: morphological and phylogenetic analysis  

Kang, Hyun-Sil (Southeast Sea Fisheries Research Institute, National Institute of Fisheries Science (NIFS) of Korea)
Whang, Ilson (National Marine Biodiversity Institute of Korea (MABIK))
Cho, Jae-Kwon (Southeast Sea Fisheries Research Institute, National Institute of Fisheries Science (NIFS) of Korea)
Publication Information
Journal of fish pathology / v.34, no.1, 2021 , pp. 47-53 More about this Journal
Abstract
Scuticociliates are one of the serious parasitic threats faced by the marine aquaculturists worldwide. To date, Uronema nigricans, Philasterides dicentrarchi, Miamiensis avidus, Uronema marinum, and Pseudocohnilembus persalinus have been reported as the important culprit species causing scuticociliatosis in fish. The present paper reports the finding of an additional scuticociliate isolate from the gill of diseased olive flounder Paralichthys olivaceus in Korea. Based on the morphological characteristics, a scuticociliate in this study was identified as Paranophrys marina. Phylogenetic analysis placed P. marina as a sister lineage to three species of Pseudocohnilembus and Mesanophrys carcini within the order Philasterida.
Keywords
Paranophrys marina; scuticociliatosis; olive flounder; morphology; SSU rRNA; phylogeny;
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