Pathological and oxidative stress responses of Mytilus galloprovincialis to Vibrio mediterranei infection: An in vivo challenge

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dc.authoridKUNILI, Ibrahim Ender/0000-0003-2830-6979
dc.authoridERTURK GURKAN, SELIN/0000-0003-3319-0616
dc.authoridGurkan, Mert/0000-0001-7861-3999
dc.contributor.authorTer, Ummugulsum
dc.contributor.authorGurkan, Selin Erturk
dc.contributor.authorGurkan, Mert
dc.contributor.authorKunili, Ibrahim Ender
dc.contributor.authorAksoy, Emircan
dc.date.accessioned2025-01-27T20:46:01Z
dc.date.available2025-01-27T20:46:01Z
dc.date.issued2024
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractSince the identification of Vibrio mediterranei as a causative agent in mass mortalities of pen shells across the Mediterranean, elucidating its pathogenicity, virulence, and interactions with other bivalves has gained importance. While the cellular and immune responses of bivalves to various Vibrio species have been extensively studied, the infectious characteristics of this Vibrio species, particularly in the context of pen shell outbreaks, remain unclear for other bivalves. Therefore, to evaluate its pathogenicity, we investigated the histological and oxidative effects on the Mediterranean mussel (Mytilus galloprovincialis), a key species in aquaculture. Two distinct infection setups were established: one involving the inoculation of seawater with the bacterial isolate and another involving direct injection of the bacteria into the mussels. After a 24-h exposure period, histological evaluations were conducted on the mantle, gill, and digestive gland tissues of the mussels. Additionally, measurements of superoxide dismutase (SOD), catalase (CAT), glutathione-S-transferase (GST), and lipid peroxidation levels were performed in the gill and digestive gland tissues. Oxidative responses were significantly elevated in both infection setups compared to the control group, with the directly injected samples exhibiting the highest oxidative responses (p < 0.05). Histological findings indicated that tissue-specific responses to host-pathogen interactions were consistent under both infection conditions. Notable observations included intense hemocytic infiltration in tissues, epithelial hyperplasia, and vacuolization in the gills, as well as focal necrotic areas in the digestive gland. The findings of this study indicate that V. mediterranei, a relatively novel pathogen, can provoke significant acute immune responses and tissue-level reactions in M. galloprovincialis, a species that is both widely distributed and vital to the food chain. These insights into the potential susceptibility of mussels underscore the need for further comprehensive research and inform the development of effective management strategies.
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK)
dc.description.sponsorshipThis study was partially funded by the Scientific and Technological Research Council of Turkey (TUBITAK) through the 2209-A Undergraduate Research Projects Support Program.
dc.identifier.doi10.1016/j.fsi.2024.109889
dc.identifier.issn1050-4648
dc.identifier.issn1095-9947
dc.identifier.pmid39250984
dc.identifier.scopus2-s2.0-85203500385
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.fsi.2024.109889
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24787
dc.identifier.volume154
dc.identifier.wosWOS:001316384400001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherAcademic Press Ltd- Elsevier Science Ltd
dc.relation.ispartofFish & Shellfish Immunology
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectVibrio
dc.subjectMussel
dc.subjectAntioxidant response
dc.subjectPathogenicity
dc.titlePathological and oxidative stress responses of Mytilus galloprovincialis to Vibrio mediterranei infection: An in vivo challenge
dc.typeArticle

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