keystone bacteriaJoe Segen2016-12-26T00:53:58+00:00
A generic term for the chronically first bacterial species to colonise a particular site in a particular type of patient.
Keystone bacteria may be
• Good–e.g., bifidobacteria which colonise healthy bowels of breast-fed infants, or
• Bad–e.g., Porphyromonas gingivalis, which are linked to periodontal disease,
The microenvironment created by keystone bacteria favour the growth and maintenance of site-specific species of bacteria.
Reference Composite definition, author 17.09.2013