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The distinct features of microbial 'dysbiosis' of Crohn's disease do not occur to the same extent in their unaffected, genetically-linked kindred.
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Ijaz, Umer Zeeshan, Quince, Christopher, Hanske, Laura, Loman, Nick, Calus, Szymon T., Bertz, Martin, Edwards, Christine A., Gaya, Daniel R., Hansen, Richard, McGrogan, Paraic, Russell, Richard K. and Gerasimidis, Konstantinos (2017) The distinct features of microbial 'dysbiosis' of Crohn's disease do not occur to the same extent in their unaffected, genetically-linked kindred. PLoS One, 12 (2). e0172605. doi:10.1371/journal.pone.0172605 ISSN 1932-6203.
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Official URL: https://doi.org/10.1371/journal.pone.0172605
Abstract
Studying the gut microbiota in unaffected relatives of people with Crohn's disease (CD) may advance our understanding of the role of bacteria in disease aetiology.Faecal microbiota composition (16S rRNA gene sequencing), genetic functional capacity (shotgun metagenomics) and faecal short chain fatty acids (SCFA) were compared in unaffected adult relatives of CD children (CDR, n = 17) and adult healthy controls, unrelated to CD patients (HUC, n = 14). The microbiota characteristics of 19 CD children were used as a benchmark of CD 'dysbiosis'.The CDR microbiota was less diverse (p = 0.044) than that of the HUC group. Local contribution of β-diversity analysis showed no difference in community structure between the CDR and HUC groups. Twenty one of 1,243 (1.8%) operational taxonomic units discriminated CDR from HUC. The metagenomic functional capacity (p = 0.207) and SCFA concentration or pattern were similar between CDR and HUC (p>0.05 for all SCFA). None of the KEGG metabolic pathways were different between these two groups. Both of these groups (HUC and CDR) had a higher microbiota α-diversity (CDR, p = 0.026 and HUC, p<0.001) with a community structure (β-diversity) distinct from that of children with CD.While some alterations were observed, a distinct microbial 'dysbiosis', characteristic of CD patients, was not observed in their unaffected, genetically linked kindred.
| Item Type: | Journal Article | ||||||
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| Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Biomedical Sciences Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Biomedical Sciences > Microbiology & Infection Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School |
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| SWORD Depositor: | Library Publications Router | ||||||
| Journal or Publication Title: | PLoS One | ||||||
| Publisher: | Public Library of Science | ||||||
| ISSN: | 1932-6203 | ||||||
| Official Date: | 21 February 2017 | ||||||
| Dates: |
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| Volume: | 12 | ||||||
| Number: | 2 | ||||||
| Number of Pages: | 13 | ||||||
| Article Number: | e0172605 | ||||||
| DOI: | 10.1371/journal.pone.0172605 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access (Creative Commons) |
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