[논문]Ectopic migration of Dirofilaria immitis in a Eurasian otter (Lutra lutra) in Korea

Jung, Ji-Youl; Lee, Kyunghyun; Seo, Hyun-Ji; Cho, Yun Sang; Kim, Young-Dae; Kim, Ji-Hyeon; So, ByungJae; Choi, Eun-Jin

doi:10.14405/kjvr.2018.58.2.107

Ectopic migration of Dirofilaria immitis in a Eurasian otter (Lutra lutra) in Korea 원문보기

Korean journal of veterinary research = 대한수의학회지, v.58 no.2, 2018년, pp.107 - 109

Jung, Ji-Youl (Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency) , Lee, Kyunghyun (Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency) , Seo, Hyun-Ji (Bacterial Disease Division, Animal and Plant Quarantine Agency) , Cho, Yun Sang (Bacterial Disease Division, Animal and Plant Quarantine Agency) , Kim, Young-Dae (Onnury Animal Clinic) , Kim, Ji-Hyeon (Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency) , So, ByungJae (Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency) , Choi, Eun-Jin (Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency)

Abstract ▼ AI-Helper

An 8-year-old female Eurasian otter (Lutra lutra) reared in a wetland center, died 2 h after sudden onset of astasia and dyspnea despite medical treatment. Gross examination of internal organs revealed 10 adult filarioid nematodes in the right ventricle of the heart and three between the left and right cerebral hemispheres. All nematodes were identified as Dirofilaria immitis by direct microscopy and polymerase chain reaction assay. Histopathological observation revealed multifocal hemorrhage in the cerebral subarachnoid space and focal necrosis with hemorrhage in the cerebellar parenchyma. Although rare, veterinarians should consider cerebral dirofilariasis as a differential diagnosis in unexplained neurological cases.

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2. Phylogenetic tree of partial 12S rRNA gene sequences of filariae, nematodes, and polymerase chain reaction-amplified products in this study. The tree was generated by neighbor-joining analysis with 1,000 bootstrapped replicates.

대상 데이터

Among the 13 nematodes examined, 10 from the heart and three from the brain, nine were females and four were males. Females were 22.

이론/모형

2%). Nucleotide sequences obtained by Macrogen (Korea) were compared with corresponding 12S rRNA sequences without the primer region deposited in the National Center for Biotechnology Information GenBank database (USA) using the multisequence alignment program of MegAlign (ver. 7.1; DNASTAR, USA). Phylogenetic trees were generated using neighbor-joining algorithms.

성능/효과

In the phylogenetic tree, MH051846 was clustered with various D. immitis (Fig. 2), and all sequences analyzed showed 99.8–100% similarity to D. immitis.
Males had a spirally coiled posterior end whereas females were straight on both ends. The amplicons obtained by the multiplex-PCR reaction performed for all nematodes showed an expected size of approximately 500 bp for the genus Dirofilaria and 204 bp for D. immitis. The consensus 12S rRNA DNA sequence was deposited in GenBank under accession No.

참고문헌 (14)

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상세보기
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상세보기
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Snyder DE, Hamir AN, Nettles VF, Rupprecht CE. Dirofilaria immitis in a river otter (Lutra Canadensis) from Louisiana. J Wildl Dis 1989, 25, 629.

상세보기
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DOI : 10.14405/kjvr.2018.58.2.107 [무료]
대한수의학회 : 저널
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