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  • Eriksson, Martin,1970Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Dept Mech & Maritime Sci, Gothenburg, Sweden. (author)

Triclosan changes community composition and selects for specific bacterial taxa in marine periphyton biofilms in low nanomolar concentrations

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020-07-13
  • Springer Science and Business Media LLC,2020
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:24b7231d-156c-4654-99b1-a0279289bf8c
  • https://doi.org/10.1007/s10646-020-02246-9DOI
  • https://research.chalmers.se/publication/518041URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-423640URI
  • https://gup.ub.gu.se/publication/336214URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • The antibacterial agent Triclosan (TCS) is a ubiquitous environmental contaminant due to its widespread use. Sensitivity to TCS varies substantially among eu- and pro-karyotic species and its risk for the marine environment remains to be better elucidated. In particular, the effects that TCS causes on marine microbial communities are largely unknown. In this study we therefore used 16S amplicon rDNA sequencing to investigate TCS effects on the bacterial composition in marine periphyton communities that developed under long-term exposure to different TCS concentrations. Exposure to TCS resulted in clear changes in bacterial composition already at concentrations of 1 to 3.16 nM. We conclude that TCS affects the structure of the bacterial part of periphyton communities at concentrations that actually occur in the marine environment. Sensitive taxa, whose abundance decreased significantly with increasing TCS concentrations, include the Rhodobiaceae and Rhodobacteraceae families of Alphaproteobacteria, and unidentified members of the Candidate division Parcubacteria. Tolerant taxa, whose abundance increased significantly with higher TCS concentrations, include the families Erythrobacteraceae (Alphaproteobacteria), Flavobacteriaceae (Bacteroidetes), Bdellovibrionaceae (Deltaproteobacteria), several families of Gammaproteobacteria, and members of the Candidate phylum Gracilibacteria. Our results demonstrate the variability of TCS sensitivity among bacteria, and that TCS can change marine bacterial composition at concentrations that have been detected in the marine environment.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Sanli, KemalGothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg(Swepub:gu)xsanlk (author)
  • Nilsson, R. Henrik,1976Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg(Swepub:gu)xnihen (author)
  • Eiler, AlexanderUppsala universitet,Växtekologi och evolution,Uppsala University(Swepub:uu)aleil133 (author)
  • Corcoll, Natàlia,1981Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg(Swepub:gu)xcorcn (author)
  • Henrik, Johansson CarlGothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg (author)
  • Backhaus, Thomas,1967Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg(Swepub:gu)xbacth (author)
  • Blanck, Hans,1950Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,University of Gothenburg(Swepub:gu)xblaha (author)
  • Kristiansson, Erik,1978Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Dept Math Sci, Gothenburg, Sweden.(Swepub:cth)erikkr (author)
  • Chalmers tekniska högskolaChalmers Univ Technol, Dept Mech & Maritime Sci, Gothenburg, Sweden. (creator_code:org_t)

Related titles

  • In:Ecotoxicology: Springer Science and Business Media LLC29:7, s. 1083-10940963-92921573-3017

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