Identification of four autochthonous yeasts from the intestines of goldfish, Carassius auratus with potential probiotic properties and their effects on the most common fish bacterial pathogens

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dc.authoridYılmaz, Sevdan / 0000-0002-4809-5809
dc.contributor.authorTaha, Mohanad Dheyaa
dc.contributor.authorDidinen, Behire Işıl
dc.contributor.authorOnuk, Ertan Emek
dc.contributor.authorMetin, Seçil
dc.contributor.authorYılmaz, Sevdan
dc.contributor.authorMohamed, Abdiasis Ahmed
dc.contributor.authorPakır, Sırrı
dc.date.accessioned2025-01-27T21:03:45Z
dc.date.available2025-01-27T21:03:45Z
dc.date.issued2023
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIn aquaculture, probiotic yeasts have gained particular interest because of their numerous health benefits for farmed fish. Many autochthonous yeasts have been isolated and identified from fish species with potential probiotic characteristics. In the present study, four autochthonous yeast strains were identified and characterized from the intestinal tracts of 16 healthy goldfish, Carassius auratus. Their in vitro probiotic properties were examined in terms of cell surface hydrophobicity, co-aggregation, and tolerability to different pH values and bile salt concentrations. These strains were identified by culture characters and sequence analysis of ITS (Internal Transcribed Spacer) gene regions. Four strains, namely Cutaneotrichosporon jirovecii isolate jpn01, Debaryomyces nepalensis isolate jpn02, Blastobotrys proliferans isolate jpn05, and Diutina catenulata isolate jpn06, were identified and added to the NCBI GenBank with accession numbers defined as MT584874.1, MT584873.1, MT649918.1, and MT501155.1, respectively. Results demonstrated the capability of these strains to co-aggregate with several fish-associated bacterial pathogens such as Lactococcus garvieae, Vagococcus salmoninarum, Vibrio anguillarum, Yersinia ruckeri, and Aeromonas hydrophila. Only the jpn05 strain did not co-aggregate with A. hydrophila. All identified yeast isolates could grow and tolerate low pH conditions (pH 2.0) and bile salt concentrations (up to 1.5%). Of interest, the hydrophobicity (%) of the yeast isolates was 80%, 94.0%, 80.6%, and 66.4% for jpn01, jpn02, jpn05, and jpn06 isolates, respectively. In this context, our data provide important in vitro evidence for the potential probiotic features of the yeast isolates. These strains could be considered candidate probiotic yeasts; however, their application in aquaculture nutrition necessitates further in vivo assays.
dc.identifier.doi10.1016/j.micpath.2023.106381
dc.identifier.issn0882-4010
dc.identifier.issn1096-1208
dc.identifier.pmid37806502
dc.identifier.scopus2-s2.0-85173899886
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.micpath.2023.106381
dc.identifier.urihttps://hdl.handle.net/20.500.12428/27434
dc.identifier.volume184
dc.identifier.wosWOS:001097845800001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherAcademic Press Ltd- Elsevier Science Ltd
dc.relation.ispartofMicrobial Pathogenesis
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectGoldfish
dc.subjectProbiotic yeasts
dc.subjectIdentification
dc.subjectCo -aggregation
dc.subjectAdherence
dc.titleIdentification of four autochthonous yeasts from the intestines of goldfish, Carassius auratus with potential probiotic properties and their effects on the most common fish bacterial pathogens
dc.typeArticle

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