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Search: id:"swepub:oai:gup.ub.gu.se/299200" > An updated phylogen...

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  • Berglund, FannyGothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för infektionssjukdomar,CARe - Centrum för antibiotikaresistensforskning,Institute of Biomedicine, Department of Infectious Medicine,Centre for antibiotic resistance research, CARe,University of Gothenburg,Chalmers tekniska högskola,Chalmers University of Technology (author)

An updated phylogeny of the metallo-β-lactamases.

  • Article/chapterEnglish2021

Publisher, publication year, extent ...

  • 2020-10-02
  • Oxford University Press (OUP),2021

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  • LIBRIS-ID:oai:gup.ub.gu.se/299200
  • https://gup.ub.gu.se/publication/299200URI
  • https://doi.org/10.1093/jac/dkaa392DOI
  • https://research.chalmers.se/publication/521730URI

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  • Language:English

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

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  • Metallo-β-lactamases (MBLs) are enzymes that use zinc-dependent hydrolysis to confer resistance to almost all available β-lactam antibiotics. They are hypothesized to originate from commensal and environmental bacteria, from where some have mobilized and transferred horizontally to pathogens. The current phylogeny of MBLs, however, is biased as it is founded largely on genes encountered in pathogenic bacteria. This incompleteness is emphasized by recent findings of environmental MBLs with new forms of zinc binding sites and atypical functional profiles.To expand the phylogeny of MBLs to provide a more accurate view of their evolutionary history.We searched more than 16 terabases of genomic and metagenomic data for MBLs of the three subclasses B1, B2 and B3 using the validated fARGene method. Predicted genes, together with the previously known ones, were used to infer phylogenetic trees.We identified 2290 unique MBL genes forming 817 gene families, of which 741 were previously uncharacterized. MBLs from subclasses B1 and B3 separated into distinct monophyletic groups, in agreement with their taxonomic and functional properties. We present evidence that clinically associated MBLs were mobilized from Proteobacteria. Additionally, we identified three new variants of the zinc binding sites, indicating that the functional repertoire is broader than previously reported.Based on our results, we recommend that the nomenclature of MBLs is refined into the phylogenetic groups B1.1-B1.5 and B3.1-B3.4 that more accurately describe their molecular and functional characteristics. Our results will also facilitate the annotation of novel MBLs, reflecting their taxonomic organization and evolutionary origin.

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  • Johnning, Anna,1985Gothenburg University,Göteborgs universitet,CARe - Centrum för antibiotikaresistensforskning,Institutionen för matematiska vetenskaper,Centre for antibiotic resistance research, CARe,Department of Mathematical Sciences,Chalmers tekniska högskola,Chalmers University of Technology,Stiftelsen Fraunhofer-Chalmers Centrum för Industrimatematik (FCC),Fraunhofer-Chalmers Research Centre for Industrial Mathematics (FCC),University of Gothenburg(Swepub:cth)johnning (author)
  • Larsson, D. G. Joakim,1969Gothenburg University,Göteborgs universitet,CARe - Centrum för antibiotikaresistensforskning,Institutionen för biomedicin, avdelningen för infektionssjukdomar,Centre for antibiotic resistance research, CARe,Institute of Biomedicine, Department of Infectious Medicine,University of Gothenburg(Swepub:gu)xlarjo (author)
  • Kristiansson, Erik,1978Gothenburg University,Göteborgs universitet,CARe - Centrum för antibiotikaresistensforskning,Institutionen för matematiska vetenskaper,Centre for antibiotic resistance research, CARe,Department of Mathematical Sciences,University of Gothenburg,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)erikkr (author)
  • Göteborgs universitetInstitutionen för biomedicin, avdelningen för infektionssjukdomar (creator_code:org_t)

Related titles

  • In:The Journal of antimicrobial chemotherapy: Oxford University Press (OUP)76:1, s. 117-1231460-20910305-7453

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