Cited by 333Inflammatory Bowel DiseaseGut microbiota and healthMicroscopic Colitis

Desulfovibrio Bacterial Species Are Increased in Ulcerative Colitis

Rowan, Fiachra, Docherty, Neil G., Murphy, Madeline, Murphy, Brendan, Coffey, John Calvin, O‘Connell, P. Ronan·2010·Diseases of the Colon & Rectum

Abstract

BACKGROUND: Debate persists regarding the role of Desulfovibrio subspecies in ulcerative colitis. Combined microscopic and molecular techniques enable this issue to be investigated by allowing precise enumeration of specific bacterial species within the colonic mucous gel. The aim of this study was to combine laser capture microdissection and quantitative polymerase chain reaction to determine Desulfovibrio copy number in crypt-associated mucous gel in health and in acute and chronic ulcerative colitis. METHODS: Colonic mucosal biopsies were harvested from healthy controls (n = 19) and patients with acute (n = 10) or chronic (n = 10) ulcerative colitis. Crypt-associated mucous gel was obtained by laser capture microdissection throughout the colon. Pan-bacterial 16S rRNA and Desulfovibrio copy number/mm were obtained by polymerase chain reaction at each locus. Bacterial copy numbers were interrogated for correlation with location and disease activity. Data were evaluated using a combination of ordinary linear methods and linear mixed-effects models to cater for multiple interactions. RESULTS: Desulfovibrio positivity was significantly increased in acute and chronic ulcerative colitis at multiple levels within the colon, and after normalization with total bacterial signal, the relative Desulfovibrio load was increased in acute colitis compared with controls. Desulfovibrio counts did not significantly correlate with age, disease duration, or disease activity but interlevel correlations were found in adjacent colonic segments in the healthy control and chronic ulcerative colitis groups. CONCLUSION: The presence of Desulfovibrio subspecies is increased in ulcerative colitis and the data presented suggest that these bacteria represent an increased percentage of the colonic microbiome in acute ulcerative colitis.

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Crossref · 10.1007/dcr.0b013e3181f1e620

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  • An excessive abundance of Desulfovibrio species has been described in ulcerative colitis (UC), which has pathogenic potential due to its ability to generate sulfides.

    “An excessive abundance of Desulfovibrio species has been described in ulcerative colitis (UC), which has pathogenic potential due to its ability to generate sulfides [36] .”

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Authors
Rowan, F., Docherty, N. G., Murphy, M., Murphy, B., Coffey, J. C., & O‘Connell, P. R.
Affiliations
  • University College Dublin (IE)
  • Trinity College Dublin (IE)
Venue
Diseases of the Colon & Rectum
Published
2010-11
Volume
53
Issue
11
Pages
1530-1536
ISSN
0012-3706 (ISSN-L)
OpenAlex
W2032374729
Cited by
333
References
24
Citations by year
2026: 18 · 2025: 24 · 2024: 35 · 2023: 35 · 2022: 46 · 2021: 49 · 2020: 21 · 2019: 16 · 2018: 19 · 2017: 18 · 2016: 10 · 2015: 12 · 2014: 11 · 2013: 13 · 2012: 3
FWCI
3.41
Type
journal article
Language
en
Open access
closed
Locations
  • Diseases of the Colon & Rectum (publishedVersion)
  • PubMed (publishedVersion)
  • Lenus, The Irish Health Repository (Dr Steevens Hospital Library) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Inflammatory Bowel Disease
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Health Sciences › Medicine › Epidemiology › Microscopic Colitis
Keywords
Desulfovibrio, ulcerative colitis, gut microbiota, acute colitis, chronic colitis, disease activity, colonic segments
MeSH terms
Adolescent, Adult, Aged, Colitis, Ulcerative, Desulfovibrio, Female, Humans, Intestinal Mucosa, Male, Middle Aged, Linear Models, Case-Control Studies, Polymerase Chain Reaction, Microdissection

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