A recent study has shed light on the potential role of gut bacteria in causing constipation. The study identified two specific species of bacteria, namely Bacteroides thetaiotaomicron and Akkermansia muciniphila, that work together to break down colonic mucin, leading to a drier and more constipation-prone colon.
Constipation is a common ailment that affects millions of people worldwide. Factors such as low water intake, a lack of dietary fiber, sedentary lifestyle, and certain medications can contribute to this condition. While gut bacteria are essential for healthy digestion, this study suggests that a specific combination of bacteria may be responsible for causing constipation.
The lead author of the study, Tomonari Hamaguchi, highlights the significance of identifying this specific mechanism by which gut bacteria can lead to constipation. The findings of the study, published in Gut Microbes, showed that by modifying one of the bacteria to prevent it from breaking down mucin, the mice transplanted with both bacteria exhibited intact colon mucin and regular bowel movements.
These findings have the potential to pave the way for new treatments for chronic constipation, especially for individuals who do not find relief from existing medications and remedies. By identifying patients with this bacterial mechanism, personalized treatment strategies could be developed based on fecal Akkermansia levels as a biomarker.
Chronic constipation affects a significant portion of the population, particularly women and older individuals. With an estimated one in five people in North America experiencing chronic constipation, personalized treatment approaches could offer more effective solutions for managing this condition.
In conclusion, the study’s findings provide valuable insights into the role of gut bacteria in constipation and offer new possibilities for tailored treatment strategies. By understanding the mechanisms underlying constipation, researchers can develop more effective interventions to address this common gastrointestinal issue.

