Target intelligence / Profile preview

Silver Ions (Ag⁺)

Target
Ag⁺
Molecular classification
Metal ion, Antimicrobial agent
01

Overview

Silver ions (Ag⁺) are broad-spectrum antimicrobial agents that target multiple molecular and cellular components in bacteria, fungi, and some viruses. They exert their antimicrobial effects through several mechanisms, including interaction with thiol groups of proteins and enzymes, disruption of cell membranes, inhibition of DNA replication, interference with ribosomes, generation of reactive oxygen species, and biofilm disruption. This multifaceted action means it is effective against a wide range of microorganisms, including multi-resistant strains.

Other names
Ag+Silver(I) ion
02

Mechanism of action

Multiple mechanisms: binding to thiol groups in proteins, disrupting cell membranes, inhibiting DNA replication, interfering with ribosomes, generating reactive oxygen species, and disrupting biofilms.

03

Biological functions

Antimicrobial activityEnzyme inhibitionMembrane disruptionDNA interactionROS generationBiofilm disruption
04

Disease associations

Infection
05

Safety considerations

Argyria (skin discoloration)Potential for silver resistance development (though rare)Cytotoxicity at high concentrations
06

Interacting drugs

Silver sulfadiazine

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