Alterations of the human gut Methanobrevibacter smithii as a biomarker for inflammatory bowel diseases

Microbial Pathogenesis
Shaghayegh Baradaran GhavamiMohammad Reza Zali

Abstract

It is hypothesized that direct and indirect homeostasis between gut microbiota plays a key role in different intestine disorders. Archaea methanogens, an ancient domain of single-celled organism, are major archaea in the digestive system. Recent evidence has shown that the variable prevalence of methanogens in different individuals could have certain effects on inflammatory bowel diseases (IBD). We aimed to assess the prevalence of Methanobrevibacter smithii between Iranian patients suffering from IBD and healthy control subjects. Stool DNA extracts from 47 healthy controls and 61 IBD patients were investigated. Quantitative real time PCR was performed for detecting Mbb. smithii load. We found a significantly decreased the Mbb. smithii load between IBD patients and healthy subjects. It is assumed that there is a reverse association between Mbb. smithii bacterial load and susceptibility to IBD, and this association could be extended to IBD patients in remission as we found that Mbb. smithii bacterial load is markedly higher among healthy subjects in comparison to IBD patients.

Citations

Apr 16, 2020·International Journal of Molecular Sciences·Mario MatijašićDonatella Verbanac
May 17, 2019·Terapevticheskiĭ arkhiv·N A DanilovaR A Abdulkhakov
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