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Antibiotic inactivation: bacteria create proteins that can prevent damage caused by antibiotics, they can do this in two ways. First, inactivating or modifying the antibiotic so that it can no longer interact with its target. Second, degrading the antibiotic directly. [7] Multidrug efflux pumps: The use of transporter proteins to expel the ...
Overuse of antimicrobial agents and problems with infection control practices have led to the development of multidrug-resistant gram-negative bacterial infections. We used to use carbapenems as the main option in several countries for those severe infections; however, now there are several mechanisms of resistance, including carbapenemase ...
Infection prevention is the most efficient strategy of prevention of an infection with a MDR organism within a hospital, because there are few alternatives to antibiotics in the case of an extensively resistant or panresistant infection; if an infection is localized, removal or excision can be attempted (with MDR-TB the lung for example), but ...
RIF resistance is linked to numerous genes and proteins that are involved in the formation of cell walls. Maintaining the M. tuberculosis cell wall is a major function of the PE11 protein. It is hypothesized that upregulating the production of PE11 protein can decrease the quantity of antibiotics that enter M. tuberculosis.
ESKAPE is an acronym comprising the scientific names of six highly virulent and antibiotic resistant bacterial pathogens including: Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter spp. [1] The acronym is sometimes extended to ESKAPEE to include Escherichia coli. [2]
S. marcescens is a motile organism and can grow in temperatures ranging 5–40 °C (41–104 °F) and in pH levels ranging from 5 to 9. It is differentiated from other Gram-negative bacteria by its ability to perform casein hydrolysis, which allows it to produce extracellular metalloproteinases which are believed to function in cell-to-extracellular matrix interactions.
The H protein helps the virus break into a cell, while the N protein codes for an enzyme that helps it escape and release all the copies of itself that it’s made back into the body.
When Proteus mirabilis encounters a solid surface, and other necessary conditions have been met, the cell will undergo the differentiation process into a swarmer cell. This differentiation process includes the elongation of the cell 20 to 50 times longer than the vegetative cell, multinucleation, and more than a 50-fold greater surface density ...