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Although S. epidermidis is not usually pathogenic, patients with compromised immune systems are at risk of developing infection. These infections are generally hospital-acquired. [4] S. epidermidis is a particular concern for people with catheters or other surgical implants because it is known to form biofilms that grow on these devices. [5]
Dispersin B is produced by Aggregatibacter actinomycetemcomitans, a Gram-negative oral bacterium, when it needs to detach and disperse adherent bacterial cells. [4] A. actinomycetemcomitans forms asymmetric biofilm lobed colonies that release single cells or small clusters of bacterial cells, which can attach to nearby surfaces, form new colonies, and enable the biofilm to spread.
The formation of biofilm and structure of EPS share a lot of similarities with bacterial ones. The formation of biofilm starts with reversible absorption of floating cells to the surface. Followed by production of EPS, the adsorption will get irreversible. EPS will colonize the cells at the surface with hydrogen bonding.
The C2DA inhibit methicillin resistant staphylococcus biofilm, but don't eliminate it. The mechanism of the biofilm inhibition by these molecules is still unknown. C2D is a medium of fatty acid chain that effect on staphylococcus aureus biofilm and dispersion of these biofilm. Pseudomonas aeruginosa is the main source for these molecules. [15]
The S. haemolyticus strain JCSC1435 genome contains a 2,685,015 bp chromosome and three plasmids of 2,300 bp, 2,366 bp, and 8,180 bp. The chromosome is comparable in size to those of S. aureus and S. epidermidis and contains a similar G+C content. In addition, a large proportion of the open reading frames (ORFs) are conserved across all three ...
Populations of S. epidermidis have also been isolated from pustules of rosacea patients. However it is possible that they were moved by Demodex to areas that favour growth as Demodex has shown to transport bacteria around the face. [50] Current treatments include topical and oral antibiotics and laser therapy. [51]