{"doi":"10.1128/jcm.00638-20","title":"Population Genomic Molecular Epidemiological Study of Macrolide-Resistant Streptococcus pyogenes in Iceland, 1995 to 2016: Identification of a Large Clonal Population with a <i>pbp2x</i> Mutation Conferring Reduced <i>In Vitro</i> β-Lactam Susceptibility","abstract":"Resistance to macrolide antibiotics is a global concern in the treatment of Streptococcus pyogenes (group A Streptococcus [GAS]) infections. In Iceland, since the detection of the first macrolide-resistant isolate in 1998, three epidemic waves of macrolide-resistant GAS infections have occurred, with peaks in 1999, 2004, and 2008. We conducted whole-genome sequencing of all 1,575 available GAS macrolide-resistant clinical isolates of all infection types collected at the national reference laboratory in Reykjavik, Iceland, from 1998 to 2016.","journal":"Journal of Clinical Microbiology","year":2020,"id":93750,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":39,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9476,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2020-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":366390,"name":"Stephen B. Beres","orcid":"0000-0003-3041-0185","position":1,"is_corresponding":false},{"id":383604,"name":"Priyanka Kachroo","orcid":"0000-0002-3563-7832","position":2,"is_corresponding":false},{"id":235709,"name":"Matthew Ojeda Saavedra","orcid":"0000-0002-2044-4560","position":3,"is_corresponding":false},{"id":468667,"name":"Helga Erlendsdóttir","orcid":null,"position":4,"is_corresponding":false},{"id":467825,"name":"Gunnsteinn Haraldsson","orcid":"0000-0002-9897-0384","position":5,"is_corresponding":false},{"id":238762,"name":"Prasanti Yerramilli","orcid":null,"position":6,"is_corresponding":false},{"id":235710,"name":"Layne Pruitt","orcid":"0000-0001-8603-0881","position":7,"is_corresponding":false},{"id":366389,"name":"Luchang Zhu","orcid":"0000-0002-4064-5781","position":8,"is_corresponding":false},{"id":235711,"name":"James M. Musser","orcid":"0000-0002-7765-4956","position":9,"is_corresponding":false},{"id":467826,"name":"Karl G. Kristinsson","orcid":"0000-0003-3148-4426","position":10,"is_corresponding":false},{"id":468666,"name":"Sara B. Southon","orcid":null,"position":0,"is_corresponding":true}],"reference_count":49,"raw_metadata":null,"created_at":"2026-07-18T22:31:34.149524Z","pmid":"32522827","pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}