{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,5]],"date-time":"2026-09-05T05:39:40Z","timestamp":1788586780086,"version":"build-2803163510"},"reference-count":73,"publisher":"American Society for Microbiology","issue":"8","license":[{"start":{"date-parts":[[2024,8,6]],"date-time":"2024-08-06T00:00:00Z","timestamp":1722902400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,8,6]],"date-time":"2024-08-06T00:00:00Z","timestamp":1722902400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"funder":[{"name":"HHS | NIH | National Institute of Arthritis and Musculoskeletal and Skin Diseases","award":["AR056647"],"award-info":[{"award-number":["AR056647"]}]},{"DOI":"10.13039\/100000057","name":"HHS | NIH | National Institute of General Medical Sciences","doi-asserted-by":"crossref","award":["T32GM140936"],"award-info":[{"award-number":["T32GM140936"]}],"id":[{"id":"10.13039\/100000057","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Microbiol Spectr"],"published-print":{"date-parts":[[2024,8,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:sec>\n            <jats:title\/>\n            <jats:p>\n              Over 2.5 million prosthetic joint implantation surgeries occur annually in the United States. Periprosthetic joint infections (PJIs), though occurring in only 1\u20132% of patients receiving replacement joints, are challenging to diagnose and treat and are associated with significant morbidity. The Gram-positive bacterium\n              <jats:italic>Enterococcus faecalis<\/jats:italic>\n              , which can be highly antibiotic-resistant and is a robust biofilm producer on indwelling medical devices, accounts for 2\u201311% of PJIs.\n              <jats:italic>E. faecalis<\/jats:italic>\n              PJIs are understudied compared to those caused by other pathogens, such as\n              <jats:italic>Staphylococcus aureus<\/jats:italic>\n              . This motivates the need to generate a comprehensive understanding of\n              <jats:italic>E. faecalis<\/jats:italic>\n              PJIs to guide future treatments for these infections. To address this, we describe a panel of\n              <jats:italic>E. faecalis<\/jats:italic>\n              strains isolated from the surface of prosthetic joints in a cohort of individuals treated at the Mayo Clinic in Rochester, MN. Here, we present the first complete genome assemblage of\n              <jats:italic>E. faecalis<\/jats:italic>\n              PJI isolates. Comparative genomics shows differences in genome size, virulence factors, antimicrobial resistance genes, plasmids, and prophages, underscoring the genetic diversity of these strains. These isolates have strain-specific differences in\n              <jats:italic>in vitro<\/jats:italic>\n              biofilm biomass, biofilm burden, and biofilm morphology. We measured robust changes in biofilm architecture and aggregation for all isolates when grown in simulated synovial fluid (SSF). Finally, we evaluated the antibiotic efficacy of these isolates and found strain-specific changes across all strains when grown in SSF. Results of this study highlight the existence of genetic and phenotypic heterogeneity among\n              <jats:italic>E. faecalis<\/jats:italic>\n              PJI isolates which will provide valuable insight and resources for future\n              <jats:italic>E. faecalis<\/jats:italic>\n              PJI research.\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>IMPORTANCE<\/jats:title>\n            <jats:p>\n              Periprosthetic joint infections (PJIs) affect ~1\u20132% of those who undergo joint replacement surgery.\n              <jats:italic>Enterococcus faecalis<\/jats:italic>\n              is a Gram-positive opportunistic pathogen that causes ~10% of PJIs in the United States each year, but our understanding of how and why\n              <jats:italic>E. faecalis<\/jats:italic>\n              causes PJIs is limited.\n              <jats:italic>E. faecalis<\/jats:italic>\n              infections are typically biofilm-associated and can be difficult to clear with antibiotic therapy. Here, we provide complete genomes for four\n              <jats:italic>E. faecalis<\/jats:italic>\n              PJI isolates from the Mayo Clinic. These isolates have strain-specific differences in biofilm formation, aggregation, and antibiotic susceptibility in simulated synovial fluid. These results provide important insight into the genomic and phenotypic features of\n              <jats:italic>E. faecalis<\/jats:italic>\n              isolates from PJI.\n            <\/jats:p>\n          <\/jats:sec>","DOI":"10.1128\/spectrum.00565-24","type":"journal-article","created":{"date-parts":[[2024,6,24]],"date-time":"2024-06-24T13:08:52Z","timestamp":1719234532000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":5,"title":["Genotypic and phenotypic characterization of\n            <i>Enterococcus faecalis<\/i>\n            isolates from periprosthetic joint infections"],"prefix":"10.1128","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-8407-891X","authenticated-orcid":false,"given":"Amanda L.","family":"Haeberle","sequence":"first","affiliation":[{"name":"Department of Microbiology &amp; Immunology, University of Minnesota Medical School, Minneapolis, Minnesota, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3760-4310","authenticated-orcid":false,"given":"Kerryl E.","family":"Greenwood-Quaintance","sequence":"additional","affiliation":[{"name":"Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sarah","family":"Zar","sequence":"additional","affiliation":[{"name":"Department of Microbiology &amp; Immunology, University of Minnesota Medical School, Minneapolis, Minnesota, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephen","family":"Johnson","sequence":"additional","affiliation":[{"name":"Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6344-4141","authenticated-orcid":true,"given":"Robin","family":"Patel","sequence":"additional","affiliation":[{"name":"Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA"},{"name":"Division of Public Health, Infectious Diseases, and Occupational Medicine, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0524-8289","authenticated-orcid":true,"given":"Julia L. 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