Microbial antagonism is the inhibition of pathogens growth by antagonist microbiota. When the resident microbiota prevents the establishment of a pathogen, it is called <u>Microbial antagonism</u>.
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What are antagonist microbiota?</h3>
Antagonist microbiota are the organisms, like bacteria or fungi, capable of acting as a biological control to avoid other pathogenic agents' establishment.
These organisms share three characteristics,
a) capability to quickly colonize a new surface and effectively persist on it
b) better ability than the pathogen to get nutrients
c) the capability of surviving under different environmental conditions.
These antagonists are
- genetically stable,
- their nutritious requirements are not demanding,
- they are capable of surviving under adverse environmental conditions,
- they have a high reproductive capability, and
- are not pathogenic to their host.
The mechanisms these antagonists use to inhibit the pathogen growth and establishment are among others, antibiosis, competition for resources, lytic enzyme production, and parasitism.
When the resident microbiota prevents the establishment of a pathogen, it is called _<u>microbial antagonism</u>_.
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