Share your thoughts on why biofilms are antibiotic-resistant?
- Restricted penetration
- resistant cells
- persisitors
Saturday, May 30, 2020
Friday, May 29, 2020
Free cell or planktonic cells, biofilms, dispersed cells
To understand the concept of biofilms we must know three phenotypes of bacteria
- Planktonic cells- These are free cells or free-floating cells. In other words, they are not attached to any surfaces. Examples- culturing bacteria in the flask (in the lab) with 200 rpm, acute bacterial infection in the blood.
- Biofilms- These are surface-attached bacteria. The biofilm formation may be divided into phases- initiation includes a bacterial approach to surface and adhering, followed by microcolony formation, mature biofilms
- Dispersed cells- these are bacterial cells which come out from biofilms. This part is not very very clear amongst the biofilm world.
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