The impact of acute cold water stress on blood parameters, mortality rate and stress-related genes in Oreochromis niloticus, Oreochromis mossambicus and their hybrids

dc.authorscopusid36663141300en_US
dc.authorscopusid7005989454en_US
dc.authorscopusid7006256217en_US
dc.authorwosidAAX-8091-2021en_US
dc.authorwosidB-2462-2008en_US
dc.authorwosid-en_US
dc.contributor.authorYılmaz, Sevdan
dc.contributor.authorErgün, Sebahattin
dc.contributor.authorÇelik, Ekrem Şanver
dc.contributor.authorBanni, Mohamed
dc.contributor.authorAhmadifar, Ehsan
dc.contributor.authorDawood, Mahmoud A. O.
dc.date.accessioned2025-02-10T08:49:09Z
dc.date.available2025-02-10T08:49:09Z
dc.date.issued2021en_US
dc.departmentFakülteler, Deniz Bilimleri ve Teknolojisi Fakültesi, Su Ürünleri Temel Bilimler Bölümüen_US
dc.departmentFakülteler, Deniz Bilimleri ve Teknolojisi Fakültesi, Su Ürünleri Yetiştiriciliği Bölümüen_US
dc.description.abstractThis study aims to evaluated the response of Oreochromissp. to cold stress. Two experiments were conducted involving a total of 1080 juvenile Oreochromis niloticus, O. mossambicus, O. niloticus♂ × O.mossambicus♀=F1♂ × O.mossambicus ♀ (Hybrid 1; H1) and O. mossambicus♂ × O. niloticus♀ (Hybrid 2; H2). In the 1st experiment, fish were exposed to cold water (12 °C) for 24 h and then hematological parameters, serum biochemical variables, innate immune responses, antioxidant status, and liver gene expression responses (hsp70, hsp27, hsp90, hsp40, cat, sod, eef1a1 and calreticulin) were analyzed. Hematological and serum biochemical responses involved species-specific differences. At optimal temperatures (28 °C), respiratory burts activity (RBA) and myeloperoxidase (MPO) values of H1, H2 and O. mossambicus were significantly higher than O. niloticus (p< 0.05). While the RBAvalue of O. mossambicus decreased after exposure to cold water (p< 0.05), lysozyme activities of O. niloticus and H2 and MPO activities of all experimental fish increased significantly (p< 0.05). At control conditions (28 °C), cortisol levels were found to be higher in O. mossambicus than in H1 and O. niloticus (p< 0.05). A significant increase in cat and sod transcripts was observed in liver of fish being very pronounced in O. mossambicus and H2. The highest up-regulation was observed for hsp70 target where the lowest but significant up-regulation was observed for hsp90 gene. In 2nd experiment, water temperature was gradually decrease from 28 °C to 12 °C (average, 1 °C/1 h).Survival rates of H1 and H2 were found to be different compared to O. mossambicus and O. niloticus (p< 0.05) after 20 days of cold water challenge.O. mossambicus was the most cold-sensitive group, followed by the H2, H1 and O. niloticus. Our data should be carfully considered in view of the possible physiological and anti-stressor responses being species-specific in fish.en_US
dc.identifier.citationYılmaz, S., Ergün, S., Çelik, E. Ş., Banni, M., Ahmadifar, E. & Dawood, M. A. O. (2021). The impact of acute cold water stress on blood parameters, mortality rate and stress-related genes in Oreochromis niloticus, Oreochromis mossambicus and their hybrids. Journal of Thermal Biology, 100, 103049–103049. https://doi.org/10.1016/j.jtherbio.2021.103049en_US
dc.identifier.doi10.1016/j.jtherbio.2021.103049en_US
dc.identifier.issn0306-4565 / 1879-0992
dc.identifier.pmidPMID: 34503796en_US
dc.identifier.scopus2-s2.0-85110058572en_US
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.jtherbio.2021.103049
dc.identifier.urihttps://hdl.handle.net/20.500.12428/29613
dc.identifier.volume100en_US
dc.identifier.wosWOS:000696706400006en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorYılmaz, Sevdan
dc.institutionauthorErgün, Sebahattin
dc.institutionauthorÇelik, Ekrem Şanver
dc.institutionauthorid0000-0002-4809-5809
dc.institutionauthorid0000-0002-9077-9438
dc.institutionauthorid0000-0003-4514-457X
dc.language.isoengen_US
dc.publisherElsevier Ltden_US
dc.relation.ispartofJournal of Thermal Biologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCold water stressen_US
dc.subjectGene expressionen_US
dc.subjectHybriden_US
dc.subjectPhysiologicalresponsesen_US
dc.subjectTilapiaen_US
dc.titleThe impact of acute cold water stress on blood parameters, mortality rate and stress-related genes in Oreochromis niloticus, Oreochromis mossambicus and their hybridsen_US
dc.typearticleen_US

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