{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,26]],"date-time":"2026-02-26T12:07:01Z","timestamp":1772107621634,"version":"3.50.1"},"reference-count":0,"publisher":"Knowledge E DMCC","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJM"],"abstract":"<jats:p>Background and Objectives: Group B Streptococcus (GBS) is a common bacterium found in the gastrointestinal tract and genitalia of both humans and animals. GBS infections can lead to a range of conditions, including meningitis, pneumonia, and sepsis. The present study aimed to analyze the colonization rate, antibiotic susceptibility, and serotypes of GBS in preg- nant women in Urmia, Iran.\r\nMaterials and Methods: Following GBS isolation from pregnant women and confirming its presence through PCR, antibi- otic susceptibility testing was conducted to assess resistance patterns, followed by amplification of resistance genes (mefA, ermB, ermTR, linB) and molecular serotyping to determine the genetic characteristics of the strains.\r\nResults: Out of 400 samples, 31 (7.75%) were positive for GBS, with 22 (70.97%) showing multidrug resistance. Clindamy- cin had the highest resistance rate (80.65%), while penicillin showed the lowest (3.23%). Serotypes II and V were the most common (38.71% each), followed by Ia (19.35%) and III (3.23%). The ermB gene was detected in 4 strains, while mefA, ermTR, and linB were not found.\r\nConclusion: Optimal management of GBS infections in pregnant women necessitates ongoing surveillance and antibiotic stewardship, considering penicillin resistance and observed resistance patterns.\r\n\u00a0<\/jats:p>","DOI":"10.18502\/ijm.v17i5.19878","type":"journal-article","created":{"date-parts":[[2025,10,14]],"date-time":"2025-10-14T07:59:28Z","timestamp":1760428768000},"source":"Crossref","is-referenced-by-count":0,"title":["Serotypes and antibiotic resistance patterns of group B streptococci isolated from pregnant women at Urmia University Hospital, Iran"],"prefix":"10.18502","author":[{"given":"Lida","family":"Lotfollahi","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zahra","family":"Shahabi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zahra","family":"Mousarezai","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shabnam","family":"Kimyai","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Azar","family":"Hemmati","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ehsan","family":"Shojadel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"7770","published-online":{"date-parts":[[2025,10,13]]},"container-title":["Iranian Journal of Microbiology"],"original-title":[],"link":[{"URL":"https:\/\/publish.kne-publishing.com\/index.php\/IJM\/article\/download\/19878\/18570","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/publish.kne-publishing.com\/index.php\/IJM\/article\/download\/19878\/18570","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,2,26]],"date-time":"2026-02-26T11:19:14Z","timestamp":1772104754000},"score":1,"resource":{"primary":{"URL":"https:\/\/publish.kne-publishing.com\/index.php\/IJM\/article\/view\/19878"},"secondary":[{"URL":"https:\/\/ijm.tums.ac.ir\/index.php\/ijm\/article\/view\/5252","label":"UNIVERSITY"}]},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,10,13]]},"references-count":0,"URL":"https:\/\/doi.org\/10.18502\/ijm.v17i5.19878","relation":{},"ISSN":["2008-4447","2008-3289"],"issn-type":[{"value":"2008-4447","type":"electronic"},{"value":"2008-3289","type":"print"}],"subject":[],"published":{"date-parts":[[2025,10,13]]}}}