![]() ![]() But what is the impact of an overgrowth of Bilophila wadsworthia? More research is needed to really tease out the details here. Balancing a moderate intake of fat in your diet – remember we want to focus on high quality fats like organic extra virgin olive oils, essential fatty acids (EFAs) from wild caught, cold water fish and then a smaller intake of grass-fed butter, ghee and organic coconut oil – with plenty of fibre, may help to reduce the chances of a Bilophila overgrowth. While some would recommend limiting saturated fat I think the devil is in the detail. So what do we make of this high fat notion? Here we can see the possibility of a Bilophila wadsworthia overgrowth as a result! I have been there in the past, and while it may have helped in the short term, I feel that a long term ketogenic diet may lead to some issues in the microbiota balance. ![]() This scenario brings to mind everyone that has turned to a ketogenic diet to help deal with their digestive symptoms. These higher fat diets result in an overgrowth of Bilophila wadsworthia ( 4). Animal studies have shown that high fat diets, which in turn increase the secretion of bile (and taurine that this bacteria loves), actually feed Bilophila. Pretty simple math right?īilophila may be the reason why some people don’t do well on a high fat diet. The more bacteria the more hydrogen sulfide, the more of an issue. When it is given the space and the specific nutrition to grow then it can become a problem. When it is below approximately 0.01% of the gut bacterial makeup it is seen by most as a commensal bacteria – think harmless here. When we talk about the issues of Bilophila wadsworthia it is important to note that we are talking about an overgrowth of this particular bacteria. Instead it uses taurine, abundantly supplied in our bodies and often associated with bile, to form the toxic metabolite hydrogen sulfide ( 3). To drive this point home Bilophila wadsworthia has been isolated in the infected appendix of approximately half of the people with appendicitis ( 2).īilophila wadsworthia is not a sulfate reducing bacteria per say, although it is classified within the same family of bacteria as many of the sulfate reducing bacteria (Desulfovibrionaceae). However, as with many opportunistic bugs in our gut, if it is given the chance to grow beyond healthy numbers (more than 0.01% of the bacterial population or thereabouts) it can cause digestive symptoms and even do damage to the gastrointestinal tract. It’s growth is stimulated by bile – an important point that we will circle back to shortly –īilophila wadsworthia is a part of the normal, or healthy human gut flora. Today we won’t be covering the in’s and out’s of hydrogen sulfide so pop over there and have a read to catch up to speed on hydrogen sulfide.īilophila wadsworthia was discovered and characterised in the late 80’s and is commonly associated with a number of different infections including the following list ( 1). ![]() This topic has been covered in a previous article – Hydrogen sulfide bacteria – Implications for IBD and Leaky Gut Well first off Bilophila wadsworthia is one of a few bacteria that can produce hydrogen sulfide in the human gut. What is Bilophila wadsworthia and why is it an important bacterium in our gut microbiota to really understand. This article will cover some of the basics when considering Bilophila wadsworthia, some testing options used to find this particular bacteria and ideas on natural treatments. It is one of a number of bacteria that produce hydrogen sulfide, a gas that, when it reaches a certain threshold, is implicated in the breakdown of the intestinal wall and the progression of inflammatory bowel disease. Bilophila wadsworthia is a gram negative bacterium that belongs in the Proteobacteria phylum.
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