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Competition between 'good bacteria' important for healthy gut

(University of Oxford) The vital ecosystem of bacteria in the human gut operates like a jungle, with competition between microbes helping maintain the stability necessary to keep us healthy.
That's according to scientists at Oxford University, who have used mathematical modelling to work out how hundreds of bacteria species are able to co-exist successfully.
In their report, the researchers show that -- contrary to popular assumption -- cooperation between species has the effect of destabilizing the system. Instead, a competitive environment between 'good bacteria' helps to maintain stability via negative feedback loops that counteract the destabilizing effect of high species diversity.
The researchers go on to speculate that people -- or hosts -- may help maintain this natural stability in the gut by acting as 'ecosystem engineers' who intervene in a number of ways.
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Please do not give advice. We can best help each other by telling what works for us, not what we think someone else should do.