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Invading Pathogens Normal Microbiota Provide Protection?  Outcompete Nutrients

The normal microbiota protects the host by outcompeting invading pathogens for resources, altering the local environment, and producing toxins against them.

La microbiota normal protege al huésped al competir por recursos, alterar el entorno local e incluso producir toxinas contra patógenos invasores.

Front How do the normal microbiota provide protection? 
Back 1. Outcompete invading pathogens for nutrients, attachment sites, etc.
2. Alter local environment to make colonization by pathogens difficult
3. Create toxins against invading pathogens 

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