23.06.2021
The group Streptococci has over 50 species. Some of them are beneficial, some cause infections and some are used in fermentation processes.
S. oralis, S.rattus and Streptoccus salivarius are beneficial species of the oral cavity. One of the beneficial species is S. thermofilus which is used to manufacture yogurt and cheese.
S. mutans is a non beneficial plaque forming species of the mouth and S. pyogenes causes pharyngitis. In the pharyngial area S. pneumoniae is a common causing agent of pneumonia.
In the gut the prevalence of streptococci is usually small around 3-4%. The prevalence of streptococci has been shown to increase in IBS and during the use of PPI-medication (acid reflux treatment).
23.06.2021
Fusobacteria commonly cause inflammation. New studies suggest that they play a role in an irritable bowel and can cause problems in the gut.
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23.06.2021
The group Proteobacteria contain many of the most harmful bacterial species such as Escherichia coli, Campylobacteria, Salmonella and Yersinia. Their prevalence in the gut should be less than 0,5%.
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23.06.2021
Clostridia are part of the normal gut flora but when elevated they cause disturbancies. Normally the abundance of clostridia is roughly 10-15%.
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