AMR Gene Family
Phosphorylation of hygromycin on the hydroxyl group at position 4
Antibiotic
Hygromycin B is an aminoglycoside antibiotic used to treat different types of bacterial infections. Hygromycin B works by binding to the bacterial 30S ribosomal subunit, causing misreading of mRNA and leaving the bacterium unable to synthesize proteins vital to its growth. Hygromycin B has also been shown to interact with eukaryotic cells.
Antibiotic
Plazomicin is a neoglycoside, or next-generation, aminoglycoside, that has been identified as a potentially useful agent to combat drug-resistant bacteria, such as Acinetobacter baumannii and Pseudomonas aeruginosa.
Drug Class
Aminoglycosides are a group of antibiotics that are mostly effective against Gram-negative bacteria. These molecules consist of aminated sugars attached to a dibasic cyclitol. Aminoglycosides work by binding to the bacterial 30S ribosomal subunit (some work by binding to the 50S subunit), inhibiting the translocation of the peptidyl-tRNA from the A-site to the P-site and also causing misreading of mRNA, leaving the bacterium unable to synthesize proteins vital to its growth.
Resistance Mechanism
Enzymatic inactivation of antibiotic to confer drug resistance.