Endocarditis Associated with <i>Escherichia Coli</i> in a Sea Lion (<i>Zalophus Californianus</i>)

Kim, J.-H.; Lee, J.-K.; Yoo, Hani; Shin, Namsoo; Shin, Nam-Shik; Lee, K.-H.; Kim, D.-Y.

doi:10.1177/104063870201400315

Cited by 9 publications

(5 citation statements)

References 5 publications

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“…Plesiomonas shigelloides, the only one species from Plesiomonas, pathogenic both for humans and animals, was increasingly regarded as an agent of gastrointestinal illness (Santos et al 2015). Escherichia/Shigella can occasionally cause enteric diseases (dos Reis & Horn 2010), such as endocarditis in sea lion (Zalophus Californianus) (Kim et al 2002) and human inflammatory bowel disease (Kotlowski et al 2007). As core microbial taxa may be critical for host physiological homeostasis such as immune regulation or intestinal development (Salonen et al 2012), these core bacterial OTUs are noteworthy, though their virulence and pathogenicity on the Indo-Pacific humpback dolphin remain unknown.…”

Section: Discussionmentioning

confidence: 99%

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The intestinal microbiome of an Indo‐Pacific humpback dolphin (Sousa chinensis) stranded near the Pearl River Estuary, China

Wan

Cheng

et al. 2020

Integr. Zool.

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The mammalian intestinal microbiome is critical for host health and disease resistance. However, the cetacean intestinal microbiota remains relatively unexplored. By using high-throughput 16S rRNA gene sequencing, we analyzed intestinal bacterial samples from an Indo-pacific humpback dolphin (Sousa chinensis) stranded near the Pearl River Estuary in China. The samples included 3 anatomical regions (foregut, midgut, and rectum) and 2 anatomical locations (content and mucus). Our analyses revealed that the dolphin intestinal bacteria contained 139 operational taxonomic units (OTUs), dominated at the phyla level by Firmicutes (47.05% in the content; 94.77% in the mucus), followed by Bacteroidetes (23.63% in the content; 1.58% in the mucus) and Gammaproteobacteria (14.82% in the content; 2.05% in the mucus). The intestinal bacteria had a small core community (15 OTUs, accounting for 99.74% of the reads), some of which could be potentially pathogenic to both human and dolphins. As an alternative to sampling the dolphin intestinal bacteria, fecal sampling could be used. Additionally, function potentials such as, xenobiotics biodegradation, beta-lactam resistance, and human disease-related pathways, were detected in the dolphin intestinal bacteria. These findings provide the first baseline knowledge of the intestinal microbiome of the Indo-Pacific humpback dolphin, which may offer new insights into cetacean conservation by using microbial surveillance.

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Section: Discussionmentioning

confidence: 99%

“…Escherichia/Shigella can occasionally cause enteric diseases (dos Reis & Horn 2010), such as endocarditis in sea lion ( Zalophus Californianus ) (Kim et al . 2002) and human inflammatory bowel disease (Kotlowski et al . 2007).…”

Section: Discussionmentioning

confidence: 99%

The intestinal microbiome of an Indo‐Pacific humpback dolphin (Sousa chinensis) stranded near the Pearl River Estuary, China

Wan

Cheng

et al. 2020

Integr. Zool.

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“…Myocardial necrosis can be secondary to hypoxia in pinnipeds that develop complications during anesthetic events. Valvular endocarditis due to bacterial infection has been reported in CSLs (Kim et al, 2002).…”

Section: Miscellaneousmentioning

confidence: 99%

Pinnipediae

Colegrove

Burek‐Huntington²,

Roe

et al. 2018

Pathology of Wildlife and Zoo Animals

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“…In marine mammals, it has been related to endocarditis in a harp seal 18. In addition, Escherichia coli has been reported to be associated with endocarditis in a sea lion 19. However, to our knowledge this is the first report of (LA‐)MRSA‐associated endocarditis in seals.…”

Section: Discussionmentioning

confidence: 83%

Livestock‐associated meticillin‐resistant Staphylococcus aureus in a young harbour seal (Phoca vitulina) with endocarditis

Rubio-García

Rossen

Wagenaar

et al. 2019

Vet Record Case Reports

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A five-month-old male harbour seal was admitted for rehabilitation to the Sealcentre Pieterburen on November 16, 2015. During initial veterinary examination parasitic pneumonia and secondary bacterial pneumonia were suspected. Therefore, the seal received antiparasitic and antimicrobial treatment and appeared to recover but died unexpectedly after several weeks. Postmortem examination revealed a perforation in the aortic wall and histopathological examination of the aorta revealed mural necrosis with haemorrhage and suppurative to mixed inflammation. Bacterial culture resulted in isolation of a meticillin-resistant Staphylococcus aureus (MRSA) from the pericardial effusion. Subsequent culture of rectal swabs collected at arrival and during rehabilitation showed that the animal was already colonised with MRSA when admitted to the Sealcentre. MRSA has been isolated from marine mammals before, however, to our knowledge this is the first report of MRSA-associated endocarditis in seals and the first time that livestock-associated MRSA is reported in seals.

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Endocarditis Associated with Escherichia Coli in a Sea Lion (Zalophus Californianus)

Cited by 9 publications

References 5 publications

The intestinal microbiome of an Indo‐Pacific humpback dolphin (Sousa chinensis) stranded near the Pearl River Estuary, China

The intestinal microbiome of an Indo‐Pacific humpback dolphin (Sousa chinensis) stranded near the Pearl River Estuary, China

Pinnipediae

Livestock‐associated meticillin‐resistant Staphylococcus aureus in a young harbour seal (Phoca vitulina) with endocarditis

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