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Sökning: WFRF:(Capo Eric) > (2024) > Revisiting the merc...

  • Rincón-Tomás, BlancaAZTI, Marine Research, Basque Research and Technology Alliance (BRTA), Txatxarramendi ugartea z/g, Sukarrieta, Spain; Grupo Inv. Geología Aplicada a Recursos Marinos y Ambientes Extremos, Instituto Geológico y Minero de España (IGME-CSIC), Madrid, Spain (författare)

Revisiting the mercury cycle in marine sediments : A potential multifaceted role for Desulfobacterota

  • Artikel/kapitelEngelska2024

Förlag, utgivningsår, omfång ...

  • Elsevier,2024
  • electronicrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:umu-218871
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-218871URI
  • https://doi.org/10.1016/j.jhazmat.2023.133120DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Marine sediments impacted by urban and industrial pollutants are typically exposed to reducing conditions and represent major reservoirs of toxic mercury species. Mercury methylation mediated by anaerobic microorganisms is favored under such conditions, yet little is known about potential microbial mechanisms for mercury detoxification. We used culture-independent (metagenomics, metabarcoding) and culture-dependent approaches in anoxic marine sediments to identify microbial indicators of mercury pollution and analyze the distribution of genes involved in mercury reduction (merA) and demethylation (merB). While none of the isolates featured merB genes, 52 isolates, predominantly affiliated with Gammaproteobacteria, were merA positive. In contrast, merA genes detected in metagenomes were assigned to different phyla, including Desulfobacterota, Actinomycetota, Gemmatimonadota, Nitrospirota, and Pseudomonadota. This indicates a widespread capacity for mercury reduction in anoxic sediment microbiomes. Notably, merA genes were predominately identified in Desulfobacterota, a phylum previously associated only with mercury methylation. Marker genes involved in the latter process (hgcAB) were also mainly assigned to Desulfobacterota, implying a potential central and multifaceted role of this phylum in the mercury cycle. Network analysis revealed that Desulfobacterota were associated with anaerobic fermenters, methanogens and sulfur-oxidizers, indicating potential interactions between key players of the carbon, sulfur and mercury cycling in anoxic marine sediments.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Lanzén, AndersAZTI, Marine Research, Basque Research and Technology Alliance (BRTA), Txatxarramendi ugartea z/g, Sukarrieta, Spain; IKERBASQUE, Basque Foundation for Science, Bilbao, Spain (författare)
  • Sánchez, PabloDep. Biologia Marina i Oceanografia, Institut de Ciències del Mar (ICM-CSIC), Barcelona, Spain (författare)
  • Estupiñán, MónicaAZTI, Marine Research, Basque Research and Technology Alliance (BRTA), Txatxarramendi ugartea z/g, Sukarrieta, Spain (författare)
  • Sanz-Sáez, IsabelDep. Biologia Marina i Oceanografia, Institut de Ciències del Mar (ICM-CSIC), Barcelona, Spain (författare)
  • Bilbao, M. ElisabeteAZTI, Marine Research, Basque Research and Technology Alliance (BRTA), Txatxarramendi ugartea z/g, Sukarrieta, Spain (författare)
  • Rojo, DianaAZTI, Marine Research, Basque Research and Technology Alliance (BRTA), Txatxarramendi ugartea z/g, Sukarrieta, Spain (författare)
  • Mendibil, IñakiAZTI, Marine Research, Basque Research and Technology Alliance (BRTA), Txatxarramendi ugartea z/g, Sukarrieta, Spain (författare)
  • Pérez-Cruz, CarlaAZTI, Marine Research, Basque Research and Technology Alliance (BRTA), Txatxarramendi ugartea z/g, Sukarrieta, Spain (författare)
  • Ferri, MartaDep. Biologia Marina i Oceanografia, Institut de Ciències del Mar (ICM-CSIC), Barcelona, Spain (författare)
  • Capo, EricUmeå universitet,Institutionen för ekologi, miljö och geovetenskap,Department of Marine Biology, Institut de Ciències del Mar, CSIC, Barcelona, Spain(Swepub:umu)erca0040 (författare)
  • Abad-Recio, Ion L.AZTI, Marine Research, Basque Research and Technology Alliance (BRTA), Txatxarramendi ugartea z/g, Sukarrieta, Spain (författare)
  • Amouroux, DavidUniversite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, Institut des Sciences Analytiques et de Physico-chimie pour l'Environnement et les matériaux (IPREM), Pau, France (författare)
  • Bertilsson, StefanDep. Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden (författare)
  • Sánchez, OlgaDep. Genètica i Microbiologia, Facultat de Biociències, Universitat Autònoma de Barcelona (UAB), Bellaterra, Spain (författare)
  • Acinas, Silvia G.Dep. Biologia Marina i Oceanografia, Institut de Ciències del Mar (ICM-CSIC), Barcelona, Spain (författare)
  • Alonso-Sáez, LauraAZTI, Marine Research, Basque Research and Technology Alliance (BRTA), Txatxarramendi ugartea z/g, Sukarrieta, Spain (författare)
  • AZTI, Marine Research, Basque Research and Technology Alliance (BRTA), Txatxarramendi ugartea z/g, Sukarrieta, Spain; Grupo Inv. Geología Aplicada a Recursos Marinos y Ambientes Extremos, Instituto Geológico y Minero de España (IGME-CSIC), Madrid, SpainAZTI, Marine Research, Basque Research and Technology Alliance (BRTA), Txatxarramendi ugartea z/g, Sukarrieta, Spain; IKERBASQUE, Basque Foundation for Science, Bilbao, Spain (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Journal of Hazardous Materials: Elsevier4650304-38941873-3336

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