{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T19:28:50Z","timestamp":1791487730529,"version":"4.3.4"},"reference-count":47,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2022,1,26]],"date-time":"2022-01-26T00:00:00Z","timestamp":1643155200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["No. 31820103010"],"award-info":[{"award-number":["No. 31820103010"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Microorganisms"],"abstract":"<jats:p>Faecalibacterium prausnitzii is prevalent in the human gut and is a potential candidate for next-generation probiotics (NGPs) or biotherapeutics. However, the biodiversity and physiological characteristics of Faecalibacterium prausnitzii remain unclear. This study isolated 26 novel F. prausnitzii strains from human feces using a combination of negative screening and prime-specific PCR amplification (NSPA). Based on a 16S rRNA gene analysis, F. prausnitzii strains can be classified into two main phylogroups (phylogroups I and II), which were further clustered into five subgroups (I-A, II-B, II-C, II-D, and II-E). The ultrastructure, colony morphology, growth performance, and short-chain fatty acids (SCFAs)-producing ability were found to be variable among these F. prausnitzii isolates. The optimal pH for the isolates growth ranged between 6.0 and 7.0, while most isolates were inhibited by 0.1% of bile salts. Antimicrobial resistance profiles showed that all F. prausnitzii isolates were susceptible to vancomycin, whereas &gt;80% were kanamycin and gentamicin resistant. Additionally, all strains can utilize maltose, cellulose, and fructose but not xylose, sorbose, and 2\u2032-FL. Overall, our work provides new insights into the biodiversity and physiological characteristics of F. prausnitzii, as well as the choices of strains suitable for NGPs.<\/jats:p>","DOI":"10.3390\/microorganisms10020297","type":"journal-article","created":{"date-parts":[[2022,1,27]],"date-time":"2022-01-27T04:49:51Z","timestamp":1643258991000},"page":"297","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["Biodiversity and Physiological Characteristics of Novel Faecalibacterium prausnitzii Strains Isolated from Human Feces"],"prefix":"10.3390","volume":"10","author":[{"given":"Wenbing","family":"Hu","sequence":"first","affiliation":[{"name":"State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China"},{"name":"School of Food Science and Technology, Jiangnan University, Wuxi 214122, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenyu","family":"Gao","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China"},{"name":"School of Food Science and Technology, Jiangnan University, Wuxi 214122, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zongmin","family":"Liu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China"},{"name":"School of Food Science and Technology, Jiangnan University, Wuxi 214122, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhifeng","family":"Fang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China"},{"name":"School of Food Science and Technology, Jiangnan University, Wuxi 214122, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianxin","family":"Zhao","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China"},{"name":"School of Food Science and Technology, Jiangnan University, Wuxi 214122, China"},{"name":"National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9192-4684","authenticated-orcid":false,"given":"Hao","family":"Zhang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China"},{"name":"School of Food Science and Technology, Jiangnan University, Wuxi 214122, China"},{"name":"National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China"},{"name":"(Yangzhou) Institute of Food Biotechnology, Jiangnan University, Yangzhou 225004, China"},{"name":"Wuxi Translational Medicine Research Center and Jiangsu Translational Medicine Research Institute Wuxi Branch, Wuxi 214122, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenwei","family":"Lu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China"},{"name":"School of Food Science and Technology, Jiangnan University, Wuxi 214122, China"},{"name":"National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Chen","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China"},{"name":"School of Food Science and Technology, Jiangnan University, Wuxi 214122, China"},{"name":"National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,1,26]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2247","DOI":"10.1073\/pnas.1322269111","article-title":"The microbial metabolite butyrate regulates intestinal macrophage function via histone deacetylase inhibition","volume":"111","author":"Chang","year":"2014","journal-title":"Proc. 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