Bacillus licheniformis, also known as B. licheniformis, is a spore bacteria, much like other Bacillus species. If you haven't read the page on Bacillus yet, you may want to do that first. It is a facultative anaerobe, having both anaerobic respiration and fermentation capabilities. It has both probiotic and industrial applications, but is it an opportunistic pathogen?
This species is similar to Bacillus subtilis and Bacillus pumilis. It is used extensively in animal products and in the manufacture of the well-known antibiotic bacitracin which is active mainly against Gram-positive bacteria. Some strains produce antimicrobials that are effective in vitro against various Gram-positive and Gram-negative bacteria, as well as fungi found on animal feed and Candida. The antimicrobials and antifungals produced are strain-specific.
B. licheniformis is used extensively as genetically-manipulated microbes in industrial applications for substances such as enzymes used in products like sewage tank and drain cleaners. It can grow in a wide range of temperatures, including that of the human body, and is a known contaminant of food and pharmaceutical tablets.
B. licheniformis is also used in the supplement industry to make MenaQ7, a patented form of vitamin K2.
Since probiotic actions of B. licheniformis are definitely strain-specific, no generalizations can be made. Research on a strain-by-strain basis is imperative. I will be publishing more information on specifics soon.
This species is found in a few products including:
If you would like assistance in determining if B. licheniformis or other probiotics are right for you, consider nutritional consultations.
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