{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T02:17:38Z","timestamp":1760149058943,"version":"build-2065373602"},"reference-count":83,"publisher":"MDPI AG","issue":"13","license":[{"start":{"date-parts":[[2023,7,2]],"date-time":"2023-07-02T00:00:00Z","timestamp":1688256000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100010621","name":"Medical University of Lublin, Poland","doi-asserted-by":"publisher","award":["DS31"],"award-info":[{"award-number":["DS31"]}],"id":[{"id":"10.13039\/501100010621","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>The aim of the study was to compare the prevalence of the nasopharyngeal carriage of culturable microorganisms in the microbiota of asymptomatic women with a physiological pregnancy (PW) and nonpregnant women (NPW). Nasopharyngeal swabs were collected from 53 PW and 30 NPW to detect bacterial and fungal colonization. Isolates were identified using the culture method and the MALDI-TOF MS technique. The nasopharyngeal microbiota (NPM) partially differed between PW and NPW. These differences in the frequency of nasopharyngeal colonization between the PW and NPW groups were not statistically significant (p &gt; 0.05); all cases were colonized by bacteria and only two cases in the PW group were colonized by yeasts, namely, Rhodotorula spp. High levels of staphylococcal colonization, including predominantly coagulase-negative staphylococci and S. aureus in the nasopharyngeal sample, were present in both groups. The reduced number of Gram-negative rods colonized in the cases studied was seen in samples from the NPW group, particularly with Enterobacterales, and anaerobic Cutibacterium spp. were isolated only in the PW group (p &lt; 0.05). Moreover, a higher carriage rate of Enterobacter aerogenes colonization was statistically significant (p &lt; 0.05) and correlated with the NPW group. Pregnancy may disturb the composition of the NPM represented by commensals and opportunistic bacteria and promote yeast colonization as compared to nonpregnant women.<\/jats:p>","DOI":"10.3390\/jcm12134447","type":"journal-article","created":{"date-parts":[[2023,7,3]],"date-time":"2023-07-03T00:49:27Z","timestamp":1688345367000},"page":"4447","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Prevalence of Culturable Bacteria and Yeasts in the Nasopharynx Microbiota during the Physiological Course of Pregnancy"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4536-1750","authenticated-orcid":false,"given":"Urszula","family":"Kosikowska","sequence":"first","affiliation":[{"name":"Department of Pharmaceutical Microbiology, Medical University of Lublin, 20-093 Lublin, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5886-2664","authenticated-orcid":false,"given":"Dominik Franciszek","family":"D\u0142uski","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Perinatology, Medical University of Lublin, 20-954 Lublin, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1580-9254","authenticated-orcid":false,"given":"Dorota","family":"Pietras-O\u017cga","sequence":"additional","affiliation":[{"name":"Department of Epizootiology and Clinic of Infectious Diseases, University of Life Sciences in Lublin, 20-950 Lublin, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bo\u017cena","family":"Leszczy\u0144ska-Gorzelak","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Perinatology, Medical University of Lublin, 20-954 Lublin, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6301-6059","authenticated-orcid":false,"given":"Sylwia","family":"Andrzejczuk","sequence":"additional","affiliation":[{"name":"Department of Pharmaceutical Microbiology, Medical University of Lublin, 20-093 Lublin, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,7,2]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.ccm.2010.11.001","article-title":"Respiratory physiology in pregnancy","volume":"32","author":"Hegewald","year":"2011","journal-title":"Clin. 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