Dysbiotic but nonpathogenic shift in the fecal mycobiota of patients with rheumatoid arthritis
Rheumatoid arthritis (RA) is closely associated with the oral and gut microbiomes. Fungal cell wall components initiate inflammatory arthritis in mouse models. However, little is known regarding the role of the fungal community in the pathogenesis of RA. To evaluate the association between RA and th...
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2022-12-01
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| Series: | Gut Microbes |
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| Online Access: | https://www.tandfonline.com/doi/10.1080/19490976.2022.2149020 |
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| author | Eun Ha Lee Hyun Kim Jung Hee Koh Kwang Hyun Cha Kiseok Keith Lee Wan-Uk Kim Cheol-Ho Pan Yong-Hwan Lee |
| author_facet | Eun Ha Lee Hyun Kim Jung Hee Koh Kwang Hyun Cha Kiseok Keith Lee Wan-Uk Kim Cheol-Ho Pan Yong-Hwan Lee |
| author_sort | Eun Ha Lee |
| collection | DOAJ |
| description | Rheumatoid arthritis (RA) is closely associated with the oral and gut microbiomes. Fungal cell wall components initiate inflammatory arthritis in mouse models. However, little is known regarding the role of the fungal community in the pathogenesis of RA. To evaluate the association between RA and the gut microbiome, investigations of bacterial and fungal communities in patients with RA are necessary. Therefore, we investigated the compositions and associations of fecal bacterial and fungal communities in 30 healthy controls and 99 patients with RA. The relative abundances of Bifidobacterium and Blautia decreased, whereas the relative abundance of Streptococcus increased, in patients with RA. The relative abundance of Candida in the fecal fungal community was higher in patients with RA than in healthy controls, while the relative abundance of Aspergillus was higher in healthy controls than in patients with RA. Candida species-specific gene amplification showed that C. albicans was the most abundant species of Candida. Ordination analysis and random forest classification models supported the findings of structural changes in bacterial and fungal communities. Aspergillus was the core fecal fungal genus in healthy controls, although Saccharomyces spp. are typically predominant in Western cohorts. In addition, bacterial–fungal association analyses showed that the hub node had shifted from fungi to bacteria in patients with RA. The finding of fungal dysbiosis in patients with RA suggests that fungi play critical roles in the fecal microbial communities and pathogenesis of RA. |
| format | Article |
| id | doaj-art-9064ce3b9a2a4589927f602fef74fb8c |
| institution | DOAJ |
| issn | 1949-0976 1949-0984 |
| language | English |
| publishDate | 2022-12-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Gut Microbes |
| spelling | doaj-art-9064ce3b9a2a4589927f602fef74fb8c2025-08-20T03:05:25ZengTaylor & Francis GroupGut Microbes1949-09761949-09842022-12-0114110.1080/19490976.2022.2149020Dysbiotic but nonpathogenic shift in the fecal mycobiota of patients with rheumatoid arthritisEun Ha Lee0Hyun Kim1Jung Hee Koh2Kwang Hyun Cha3Kiseok Keith Lee4Wan-Uk Kim5Cheol-Ho Pan6Yong-Hwan Lee7Natural Product Informatics Research Center, KIST Gangneung Institute of Natural Products, Gangneung, KoreaDepartment of Agricultural Biotechnology, Seoul National University, Seoul, KoreaDivision of Rheumatology, Department of Internal Medicine, College of Medicine, the Catholic University of Korea, Seoul, KoreaNatural Product Informatics Research Center, KIST Gangneung Institute of Natural Products, Gangneung, KoreaDepartment of Agricultural Biotechnology, Seoul National University, Seoul, KoreaDivision of Rheumatology, Department of Internal Medicine, College of Medicine, the Catholic University of Korea, Seoul, KoreaNatural Product Informatics Research Center, KIST Gangneung Institute of Natural Products, Gangneung, KoreaInterdisciplinary Program in Agricultural Genomics, Seoul National University, Seoul, KoreaRheumatoid arthritis (RA) is closely associated with the oral and gut microbiomes. Fungal cell wall components initiate inflammatory arthritis in mouse models. However, little is known regarding the role of the fungal community in the pathogenesis of RA. To evaluate the association between RA and the gut microbiome, investigations of bacterial and fungal communities in patients with RA are necessary. Therefore, we investigated the compositions and associations of fecal bacterial and fungal communities in 30 healthy controls and 99 patients with RA. The relative abundances of Bifidobacterium and Blautia decreased, whereas the relative abundance of Streptococcus increased, in patients with RA. The relative abundance of Candida in the fecal fungal community was higher in patients with RA than in healthy controls, while the relative abundance of Aspergillus was higher in healthy controls than in patients with RA. Candida species-specific gene amplification showed that C. albicans was the most abundant species of Candida. Ordination analysis and random forest classification models supported the findings of structural changes in bacterial and fungal communities. Aspergillus was the core fecal fungal genus in healthy controls, although Saccharomyces spp. are typically predominant in Western cohorts. In addition, bacterial–fungal association analyses showed that the hub node had shifted from fungi to bacteria in patients with RA. The finding of fungal dysbiosis in patients with RA suggests that fungi play critical roles in the fecal microbial communities and pathogenesis of RA.https://www.tandfonline.com/doi/10.1080/19490976.2022.2149020Fecal microbiotaCandidaAspergillusdysbiosisrheumatoid arthritis |
| spellingShingle | Eun Ha Lee Hyun Kim Jung Hee Koh Kwang Hyun Cha Kiseok Keith Lee Wan-Uk Kim Cheol-Ho Pan Yong-Hwan Lee Dysbiotic but nonpathogenic shift in the fecal mycobiota of patients with rheumatoid arthritis Gut Microbes Fecal microbiota Candida Aspergillus dysbiosis rheumatoid arthritis |
| title | Dysbiotic but nonpathogenic shift in the fecal mycobiota of patients with rheumatoid arthritis |
| title_full | Dysbiotic but nonpathogenic shift in the fecal mycobiota of patients with rheumatoid arthritis |
| title_fullStr | Dysbiotic but nonpathogenic shift in the fecal mycobiota of patients with rheumatoid arthritis |
| title_full_unstemmed | Dysbiotic but nonpathogenic shift in the fecal mycobiota of patients with rheumatoid arthritis |
| title_short | Dysbiotic but nonpathogenic shift in the fecal mycobiota of patients with rheumatoid arthritis |
| title_sort | dysbiotic but nonpathogenic shift in the fecal mycobiota of patients with rheumatoid arthritis |
| topic | Fecal microbiota Candida Aspergillus dysbiosis rheumatoid arthritis |
| url | https://www.tandfonline.com/doi/10.1080/19490976.2022.2149020 |
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