# How bacteria "talk" - Bonnie Bassler
Source https://www.youtube.com/watch?v=KXWurAmtf78 How bacteria talk. TedTalk
![[Screenshot 2022-04-07 at 11.00.06 AM.png]]
Perhaps, we can design a system that based on "noise" or "signal". High density signals turn on certain functions. Threshold. #Biomimicry
Molecular biology.
Quorum sensing - They grow and wait until they have reached enough density that launch to attack their host, or turn on the light.
- [[HOPES Project Index]] What is the density needed to consider relapse, or unwell?
Bacteria have specific language that only they can understand, to count their siblings.
### Bacterial Communities.
But not enough to just speak to own people, they have multi-lingual bacteria system
![[Screenshot 2022-04-07 at 11.09.34 AM.png]]
They count, who is majority and who is minority in the environment to decide their actions/behavior.
### idea, new form of antibiotic
Behavior modification. So don't let bacteria hear, or talk.
![[Screenshot 2022-04-07 at 11.13.19 AM.png]]
Also can make good bacteria work better by activate them.