Mycobacteriosis in Farmed Sea Bream (Sparus aurata) Caused By Mycobacterium frederiksbergense in Turkey

Over the past decades, different mycobacteriosis agents have become important fish pathogens. The present study describes a different mycobacteriosis in farmed sea bream (Sparus aurata) caused by Mycobacterium frederiksbergense in Turkey. Affected 15 fish, weighing 15 to 20 g, showed lethargy, stunt...

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Autores principales:	Urku Cigdem, Genc Gonca Erkose, Wittwer Franziska, Erturan Zayre, Pfyffer Gaby
Formato:	article
Lenguaje:	EN
Publicado:	Sciendo 2018
Materias:	mycobacterium frederiksbergense sea bream genotype mycobacterium cm/as assay 16s rrna gene Veterinary medicine SF600-1100
Acceso en línea:	https://doaj.org/article/f723ffef47b54c6f9769fd33bdfbde9b
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spelling	oai:doaj.org-article:f723ffef47b54c6f9769fd33bdfbde9b2021-11-17T21:27:53ZMycobacteriosis in Farmed Sea Bream (Sparus aurata) Caused By Mycobacterium frederiksbergense in Turkey1820-744810.2478/acve-2018-0032https://doaj.org/article/f723ffef47b54c6f9769fd33bdfbde9b2018-12-01T00:00:00Zhttps://doi.org/10.2478/acve-2018-0032https://doaj.org/toc/1820-7448Over the past decades, different mycobacteriosis agents have become important fish pathogens. The present study describes a different mycobacteriosis in farmed sea bream (Sparus aurata) caused by Mycobacterium frederiksbergense in Turkey. Affected 15 fish, weighing 15 to 20 g, showed lethargy, stunted growth, pale skin, dorsal fin necrosis, and a significant level of mortality (40 %) in fish stocks. Internally, no multifocal white-colored granulomas in the visceral organs were observed. Inoculation of the visceral organs onto Löwenstein-Jensen medium and Tryptic Soy Agar (1.5% NaCl) slants produced only fast-growing (2-3 weeks), orange to yellow-colored, photochromogenic acid-fast colonies. Ziehl-Nielsen positive bacterial isolates were identified using a commercially available line probe assay (Genotype Mycobacterium CM/AS assay) and with 16S rRNA gene sequencing analysis based on 16S rRNA gene sequencing, fifteen isolates were identified as Mycobacterium frederiksbergense. Histopathologically, epithelioid cell granulomas were not observed in any vicseral organs but acid-fast bacteria were detected in the liver, kidney, spleen, and heart tissue. This study shows that asystemic mycobacteriosis is observed in sea bream with high mortality.Urku CigdemGenc Gonca ErkoseWittwer FranziskaErturan ZayrePfyffer GabySciendoarticlemycobacterium frederiksbergensesea breamgenotype mycobacterium cm/as assay16s rrna geneVeterinary medicineSF600-1100ENActa Veterinaria, Vol 68, Iss 4, Pp 391-400 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	mycobacterium frederiksbergense sea bream genotype mycobacterium cm/as assay 16s rrna gene Veterinary medicine SF600-1100
spellingShingle	mycobacterium frederiksbergense sea bream genotype mycobacterium cm/as assay 16s rrna gene Veterinary medicine SF600-1100 Urku Cigdem Genc Gonca Erkose Wittwer Franziska Erturan Zayre Pfyffer Gaby Mycobacteriosis in Farmed Sea Bream (Sparus aurata) Caused By Mycobacterium frederiksbergense in Turkey
description	Over the past decades, different mycobacteriosis agents have become important fish pathogens. The present study describes a different mycobacteriosis in farmed sea bream (Sparus aurata) caused by Mycobacterium frederiksbergense in Turkey. Affected 15 fish, weighing 15 to 20 g, showed lethargy, stunted growth, pale skin, dorsal fin necrosis, and a significant level of mortality (40 %) in fish stocks. Internally, no multifocal white-colored granulomas in the visceral organs were observed. Inoculation of the visceral organs onto Löwenstein-Jensen medium and Tryptic Soy Agar (1.5% NaCl) slants produced only fast-growing (2-3 weeks), orange to yellow-colored, photochromogenic acid-fast colonies. Ziehl-Nielsen positive bacterial isolates were identified using a commercially available line probe assay (Genotype Mycobacterium CM/AS assay) and with 16S rRNA gene sequencing analysis based on 16S rRNA gene sequencing, fifteen isolates were identified as Mycobacterium frederiksbergense. Histopathologically, epithelioid cell granulomas were not observed in any vicseral organs but acid-fast bacteria were detected in the liver, kidney, spleen, and heart tissue. This study shows that asystemic mycobacteriosis is observed in sea bream with high mortality.
format	article
author	Urku Cigdem Genc Gonca Erkose Wittwer Franziska Erturan Zayre Pfyffer Gaby
author_facet	Urku Cigdem Genc Gonca Erkose Wittwer Franziska Erturan Zayre Pfyffer Gaby
author_sort	Urku Cigdem
title	Mycobacteriosis in Farmed Sea Bream (Sparus aurata) Caused By Mycobacterium frederiksbergense in Turkey
title_short	Mycobacteriosis in Farmed Sea Bream (Sparus aurata) Caused By Mycobacterium frederiksbergense in Turkey
title_full	Mycobacteriosis in Farmed Sea Bream (Sparus aurata) Caused By Mycobacterium frederiksbergense in Turkey
title_fullStr	Mycobacteriosis in Farmed Sea Bream (Sparus aurata) Caused By Mycobacterium frederiksbergense in Turkey
title_full_unstemmed	Mycobacteriosis in Farmed Sea Bream (Sparus aurata) Caused By Mycobacterium frederiksbergense in Turkey
title_sort	mycobacteriosis in farmed sea bream (sparus aurata) caused by mycobacterium frederiksbergense in turkey
publisher	Sciendo
publishDate	2018
url	https://doaj.org/article/f723ffef47b54c6f9769fd33bdfbde9b
work_keys_str_mv	AT urkucigdem mycobacteriosisinfarmedseabreamsparusauratacausedbymycobacteriumfrederiksbergenseinturkey AT gencgoncaerkose mycobacteriosisinfarmedseabreamsparusauratacausedbymycobacteriumfrederiksbergenseinturkey AT wittwerfranziska mycobacteriosisinfarmedseabreamsparusauratacausedbymycobacteriumfrederiksbergenseinturkey AT erturanzayre mycobacteriosisinfarmedseabreamsparusauratacausedbymycobacteriumfrederiksbergenseinturkey AT pfyffergaby mycobacteriosisinfarmedseabreamsparusauratacausedbymycobacteriumfrederiksbergenseinturkey
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Mycobacteriosis in Farmed Sea Bream (Sparus aurata) Caused By Mycobacterium frederiksbergense in Turkey

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