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Journals / Acta Aquatica Turcica / 2020 / Cilt: 16 - Sayı: 3

Diagnosis of Photobacterium sanguinicancri in Smooth-Hound Shark (Mustelus mustelus, Linnaeus 1758)

Tazı Köpekbalıklarında (Mustelus mustelus, Linnaeus 1758) Photobacterium sanguinicancri'nin Tanısı

Emre TURGAY
Remziye Eda YARDIMCI
Süheyla KARATAŞ STEINUM
Pages
338–343
Publication Date
2022-10-12
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Therefore, it was concluded that photobacteriosis was responsible for this disease outbreakin aquarium-kept smooth-hound sharks.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:This study aims to determine the cause of mortalities in smooth-hound sharks (Mustelus mustelus, Linnaeus 1758) understressful conditions from a marine aquarium in Turkey.
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Key Findings & Data:For bacteriological examination, samples were taken from visceral organs andblood and streaked onto marine agar (MA) plates, which were incubated at 22°C for 72 hours.
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Conclusion & Impact:Therefore, it was concluded that photobacteriosis was responsible for this disease outbreakin aquarium-kept smooth-hound sharks.
🔬Design:Survey & Empirical Study
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

This study aims to determine the cause of mortalities in smooth-hound sharks (Mustelus mustelus, Linnaeus 1758) understressful conditions from a marine aquarium in Turkey. Moribund smooth-hound sharks externally had haemorrhages onvarious body parts, especially the pectoral fins and certain areas of their skin. A pale liver and spleen pseudo-tubercles werethe main pathological findings internally. For bacteriological examination, samples were taken from visceral organs andblood and streaked onto marine agar (MA) plates, which were incubated at 22°C for 72 hours. Gram-negative motile rodsthat displayed bipolar staining were isolated from several tissues, including the spleen, kidney, and liver. According to theirmorphological and biochemical characteristics as well as 16S rRNA gene sequencing, these isolates were identified asPhotobacterium sanguinicancri. Therefore, it was concluded that photobacteriosis was responsible for this disease outbreakin aquarium-kept smooth-hound sharks. According to the literature survey, this study is the first report describingphotobacteriosis caused by Photobacterium sanguinicancri in a smooth-hound shark.

Özet

Bu çalışma, Türkiye'de bir deniz akvaryumunda stresli koşullar altında bulunan tazı köpekbalıklarında (Mustelus mustelus, Linnaeus 1758) meydana gelen ölümlerin nedeninin belirlenmesini amaçlamaktadır. Dış bakıda, ölmek üzere olan tazı köpekbalıklarının çeşitli vücut kısımlarında, özellikle göğüs yüzgeçlerinde ve deride belirli bölgelerde hemorajiler vardı. İç bakıda ise, soluk karaciğer ve dalakta psödotüberküller ana patolojik bulgulardı. Bakteriyolojik inceleme için iç organlardan ve kandan alınan örnekler marine agar (MA) içeren petrilere ekilmiş ve 22°C'de 72 saat boyunca inkübe edilmiştir. Bipolar boyama özelliği gösteren gram negatif hareketli basiller dalak, böbrek ve karaciğer dahil olmak üzere çeşitli dokulardan izole edilmiştir. Morfolojik ve biyokimyasal özelliklerine ve 16S rRNA gen dizilimine göre, bu izolatlar Photobacterium sanguinicancri olarak tanımlanmıştır. Bu nedenle, akvaryumda tutulan tazı köpekbalıklarında bu hastalık salgınına photobacteriosis’in neden olduğu sonucuna varılmıştır. Literatür araştırmasına göre, bu köpekbalığı türünde Photobacterium sanguinicancri' nin neden olduğu Photobacteriosis'i tanımlayan ilk rapordur.

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Cite This Article

TURGAY, E., YARDIMCI, R. E., STEINUM, S. K. (2022). Diagnosis of Photobacterium sanguinicancri in Smooth-Hound Shark (Mustelus mustelus, Linnaeus 1758). Acta Aquatica Turcica, Cilt: 16 - Sayı: 3, 338–343. https://ajindex.com/articles/427493

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