The plasmidome associated with Gram-negative bloodstream infections: a large-scale observational study using complete plasmid assembliess
Plasmids carry genes conferring antimicrobial resistance and other clinically important traits, and contribute to the rapid dissemination of such genes. Previous studies using complete plasmid assemblies, which are essential for reliable inference, have been small and/or limited to plasmids carrying...
| Main Authors: | , , , , , , , , , , , , , , , , , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
Springer Nature
2024
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| _version_ | 1811139892734853120 |
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| author | Lipworth, S Matlock, W Shaw, L Vihta, K-D Rodger, G Chau, K Barker, L George, S Kavanagh, J Davies, T Vaughan, A Andersson, M Jeffery, K Oakley, S Morgan, M Hopkins, S Peto, T Crook, D Walker, AS Stoesser, N |
| author_facet | Lipworth, S Matlock, W Shaw, L Vihta, K-D Rodger, G Chau, K Barker, L George, S Kavanagh, J Davies, T Vaughan, A Andersson, M Jeffery, K Oakley, S Morgan, M Hopkins, S Peto, T Crook, D Walker, AS Stoesser, N |
| author_sort | Lipworth, S |
| collection | OXFORD |
| description | Plasmids carry genes conferring antimicrobial resistance and other clinically important traits, and contribute to the rapid dissemination of such genes. Previous studies using complete plasmid assemblies, which are essential for reliable inference, have been small and/or limited to plasmids carrying antimicrobial resistance genes (ARGs). In this study, we sequenced 1,880 complete plasmids from 738 isolates from bloodstream infections in Oxfordshire, UK. The bacteria had been originally isolated in 2009 (194 isolates) and 2018 (368 isolates), plus a stratified selection from intervening years (176 isolates). We demonstrate that plasmids are largely, but not entirely, constrained to a single host species, although there is substantial overlap between species of plasmid gene-repertoire. Most ARGs are carried by a relatively small number of plasmid groups with biological features that are predictable. Plasmids carrying ARGs (including those encoding carbapenemases) share a putative ‘backbone’ of core genes with those carrying no such genes. These findings suggest that future surveillance should, in addition to tracking plasmids currently associated with clinically important genes, focus on identifying and monitoring the dissemination of high-risk plasmid groups with the potential to rapidly acquire and disseminate these genes. |
| first_indexed | 2024-03-07T08:28:38Z |
| format | Journal article |
| id | oxford-uuid:0d234361-b3fa-4e17-ab08-c766268e39f5 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-09-25T04:13:19Z |
| publishDate | 2024 |
| publisher | Springer Nature |
| record_format | dspace |
| spelling | oxford-uuid:0d234361-b3fa-4e17-ab08-c766268e39f52024-07-11T16:02:47ZThe plasmidome associated with Gram-negative bloodstream infections: a large-scale observational study using complete plasmid assembliessJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:0d234361-b3fa-4e17-ab08-c766268e39f5EnglishSymplectic ElementsSpringer Nature2024Lipworth, SMatlock, WShaw, LVihta, K-DRodger, GChau, KBarker, LGeorge, SKavanagh, JDavies, TVaughan, AAndersson, MJeffery, KOakley, SMorgan, MHopkins, SPeto, TCrook, DWalker, ASStoesser, NPlasmids carry genes conferring antimicrobial resistance and other clinically important traits, and contribute to the rapid dissemination of such genes. Previous studies using complete plasmid assemblies, which are essential for reliable inference, have been small and/or limited to plasmids carrying antimicrobial resistance genes (ARGs). In this study, we sequenced 1,880 complete plasmids from 738 isolates from bloodstream infections in Oxfordshire, UK. The bacteria had been originally isolated in 2009 (194 isolates) and 2018 (368 isolates), plus a stratified selection from intervening years (176 isolates). We demonstrate that plasmids are largely, but not entirely, constrained to a single host species, although there is substantial overlap between species of plasmid gene-repertoire. Most ARGs are carried by a relatively small number of plasmid groups with biological features that are predictable. Plasmids carrying ARGs (including those encoding carbapenemases) share a putative ‘backbone’ of core genes with those carrying no such genes. These findings suggest that future surveillance should, in addition to tracking plasmids currently associated with clinically important genes, focus on identifying and monitoring the dissemination of high-risk plasmid groups with the potential to rapidly acquire and disseminate these genes. |
| spellingShingle | Lipworth, S Matlock, W Shaw, L Vihta, K-D Rodger, G Chau, K Barker, L George, S Kavanagh, J Davies, T Vaughan, A Andersson, M Jeffery, K Oakley, S Morgan, M Hopkins, S Peto, T Crook, D Walker, AS Stoesser, N The plasmidome associated with Gram-negative bloodstream infections: a large-scale observational study using complete plasmid assembliess |
| title | The plasmidome associated with Gram-negative bloodstream infections: a large-scale observational study using complete plasmid assembliess |
| title_full | The plasmidome associated with Gram-negative bloodstream infections: a large-scale observational study using complete plasmid assembliess |
| title_fullStr | The plasmidome associated with Gram-negative bloodstream infections: a large-scale observational study using complete plasmid assembliess |
| title_full_unstemmed | The plasmidome associated with Gram-negative bloodstream infections: a large-scale observational study using complete plasmid assembliess |
| title_short | The plasmidome associated with Gram-negative bloodstream infections: a large-scale observational study using complete plasmid assembliess |
| title_sort | plasmidome associated with gram negative bloodstream infections a large scale observational study using complete plasmid assembliess |
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