Investigations of Hg(II) and Pb(II) tolerance, removal and bioaccumulation and their effects on antioxidant enzymes on thermophilic Exiguobacterium profundum

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dc.authorid0000-0001-5150-5402en_US
dc.authorid0000-0001-7384-7358en_US
dc.authorid0000-0001-5223-9919en_US
dc.authorid0000-0001-7965-4979en_US
dc.contributor.authorAkkoyun, Mahire Bayramoğlu
dc.contributor.authorÖzdemir, Sadin
dc.contributor.authorKılınç, Ersin
dc.contributor.authorBirhanli, Emre
dc.date.accessioned2024-04-15T12:49:17Z
dc.date.available2024-04-15T12:49:17Z
dc.date.issued2020en_US
dc.departmentDicle Üniversitesi, Diyarbakır Teknik Bilimler Meslek Yüksekokulu, Kimya ve Kimyasal İşleme Teknolojileri Bölümüen_US
dc.description.abstractHg(II) and Pb(II) tolerance, removal, bioaccumulation and effects on antioxidant enzymes of thermophilic Exiguobacterium profundum were investigated. The results indicated that Hg(II) was more toxic than Pb(II) to E. profundum. E. profundum was also more tolerant in solid medium than in liquid medium for Pb(II) and Hg(II). The bacterial growth was not significantly influenced at 1.0 and 2.5 mg/L Pb(II) and Hg(II) for 24 h. The highest Hg(II) and Pb(II) bioaccumulation amounts were determined as 37.56 and 54.35 mg metal/dried bacteria, respectively. Bioaccumulation capacities of the cell membrane of E. profundum for Hg(II) and Pb(II) were determined. The different concentrations of Pb(II) and Hg(II) enhanced the SOD and CAT enzymes. In addition, variations of the surface macrostructure and the functionality of E. profundum after the interaction with Hg(II) and Pb(II) were investigated by the scanning electron microscope (SEM) and the Fourier transform infrared spectroscopy (FT-IR), respectively. This investigation obviously showed that thermophilic E. profundum can also be applied for removal and recovery of toxic metals from industrial wastewater. Clearly, a further investigation should be utilized by thermophilic microorganisms. According to antioxidant enyzme activities, E. profundum can be also used as a bioindicator for the detection of toxic metal pollution in natural water samples.en_US
dc.identifier.citationAkkoyun, M. B., Özdemir, S., Kılınç, E. ve Birhanlı, E. (2020). Investigations of Hg(II) and Pb(II) tolerance, removal and bioaccumulation and their effects on antioxidant enzymes on thermophilic Exiguobacterium profundum. Human and Ecological Risk Assessment, 26(5), 1234-1253.en_US
dc.identifier.doi10.1080/10807039.2018.1562882
dc.identifier.endpage1253en_US
dc.identifier.issn1080-7039
dc.identifier.issue5en_US
dc.identifier.scopus2-s2.0-85061067304
dc.identifier.scopusqualityQ1
dc.identifier.startpage1234en_US
dc.identifier.urihttps://www.tandfonline.com/doi/full/10.1080/10807039.2018.1562882
dc.identifier.urihttps://hdl.handle.net/11468/13876
dc.identifier.volume26en_US
dc.identifier.wosWOS:000538171300007
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorKılınç, Ersin
dc.language.isoenen_US
dc.publisherTaylor and Francis Inc.en_US
dc.relation.ispartofHuman and Ecological Risk Assessment
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAntioxidant activityen_US
dc.subjectBioaccumulationen_US
dc.subjectExiguobacterium profundumen_US
dc.subjectThermophilicen_US
dc.subjectToleranceen_US
dc.subjectToxic metalen_US
dc.titleInvestigations of Hg(II) and Pb(II) tolerance, removal and bioaccumulation and their effects on antioxidant enzymes on thermophilic Exiguobacterium profundumen_US
dc.titleInvestigations of Hg(II) and Pb(II) tolerance, removal and bioaccumulation and their effects on antioxidant enzymes on thermophilic Exiguobacterium profundum
dc.typeArticleen_US

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