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Bacteria in Gums Use Growth Molecules from Neighbors to Survive
by Angela Mohan on 
January 6, 2021 at 12:28 PM
Veillonella parvula bacteria engage in a one-sided relationship with pathogen Porphyromonas gingivalis, helping the germ multiply and cause gum disease, according to a new University at Buffalo-led study.
P. gingivalis borrows growth molecules from V. parvula, a common yet harmless bacteria in the mouth whose growth is not population dependent.
In a healthy mouth, P. gingivalis makes up a miniscule amount of the bacteria in the oral microbiome and cannot replicate. But if dental plaque is allowed to grow unchecked due to poor oral hygiene, V. parvula will multiply and eventually produce enough growth molecules to also spur the reproduction of P. gingivalis. ....

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