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논문 기본 정보

자료유형
학술저널
저자정보
Ilson Whang (National Marine Biodiversity Institute of Korea (MABIK)) Beomseok Lee (Chonnam National University) Rahul Krishnan (Chonnam National University) Hiroaki Nakajima (Osaka University) Hidetaka Furuya (Osaka University) Sang Phil Shin (Jeju National University)
저널정보
대한수의학회 Journal of Veterinary Science Journal of Veterinary Science 제21권 제6호
발행연도
2020.11
수록면
75 - 82 (8page)

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초록· 키워드

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Background: Dicyemids are parasites found in the renal sac of cephalopods. The first species of dicyemid was found from kidneys of the Korean common octopus Callistoctopus minor.
Objectives: This study aimed to identify the dicyemid and investigate the effect on renal sac of host.
Methods: In this study, we compared the morphological characteristics of isolate to dicyemids (Dicyema sphyrocephalum, Dicyema clavatum, and Dicyema dolichocephalum) reported from C. minor in Japan. We compared the 18S ribosomal RNA (rDNA) and cytochrome c oxidase subunit I (COI) sequences of isolate to the sequences of D. shyrocephalum and D. clavatum. The infected octopuses renal tissues were histologically compared with the tissues of uninfected individuals.
Results: The morphological characteristic of this isolated species corresponds to D. sphyrocephalum. The sequences similarities of 18S rDNA and COI gene of isolate are 99.7% and 98.1% with D. sphyrocephalum. We observed morphological changes in the epithelia folds of kidney at the dicyemids attached areas.
Conclusions: The present study identified the isolate as D. sphyrocephalum and this is the first report of dicyemid species from Republic of Korea. Further studies on the effects of dicyemids on growth and health status of cephalopods will be needed.

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ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
REFERENCES

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