Antimicrobiens

Nifursemizone is an antimicrobial agent, which is a synthetic nitrofuran derivative. It is engineered from chemical precursors through targeted synthetic processes designed to maximize its antibacterial properties. The mode of action of Nifursemizone involves the inhibition of bacterial enzymes and interference with nucleic acid synthesis. This action disrupts essential bacterial functions, leading to the inhibition of bacterial growth and eventual cell death.

Virginiamycin - Complex of M1+S1 is an antibiotic compound, which is derived from the actinobacterium Streptomyces virginiae. It functions through the inhibition of bacterial protein synthesis by binding to the 50S ribosomal subunit, thereby obstructing peptide bond formation and impeding microbial growth. The complex is composed of two major components: Virginiamycin M1 and Virginiamycin S1, which synergistically enhance antimicrobial efficacy.

N-Biotinyl-12-aminododecanoyltobramycin amide is a synthetic bioconjugate, which is derived from the aminoglycoside antibiotic tobramycin. This compound is chemically modified by the addition of a biotin moiety linked through a 12-aminododecanoyl spacer. The source of this product is rooted in the conjugation of biotin to tobramycin, allowing for targeted delivery and potential hybrid applications in both therapeutic and diagnostic fields.

Didesethyl chloroquine hydroxyacetamide-d4 is a deuterated pharmaceutical compound, which serves as a stable isotope-labeled analog. Such compounds are often synthesized in specialized laboratories for research purposes, providing insightful data on pharmacokinetics and metabolic pathways. The deuteration, involving the replacement of hydrogen atoms with deuterium, offers enhanced accuracy in mass spectrometry analysis due to its unique isotopic signature.

Lenacapavir is a capsid inhibitor with a mode of action that interferes with the HIV capsid protein, disrupting multiple stages of the viral lifecycle. It is used for treating multidrug-resistant HIV infections.

Aminosidine is a nucleoside analogue that inhibits the HIV-1 reverse transcriptase and the integrase, which are enzymes involved in viral DNA synthesis. Aminosidine is active against Leishmania spp., but not against bacteria. Aminosidine has been shown to be effective in experimental models of human bowel disease and in patients with inflammatory bowel disease. It was also found to be active against wild-type strains of human immunodeficiency virus type 1, but not resistant mutants. The mechanism of action is the inhibition of cellular mitochondrial membrane potential.

Metabolite of rifampicin

Gentamicin C2 pentaacetate (2 : 1 Mixture of C2 and C2a) is an aminoglycoside class antibiotic derivative, primarily derived from the fermentation of Micromonospora species. This product is a semi-synthetic compound, combining two closely related gentamicin components, C2 and C2a, in a specified ratio. Its mode of action involves binding to the 30S subunit of the bacterial ribosome, which disrupts protein synthesis resulting in bactericidal activity against a wide spectrum of Gram-negative and some Gram-positive bacteria.

Tyrothricin is a peptide antibiotic, which is derived from the bacterium Bacillus brevis. This compound comprises a mixture of polypeptides, primarily gramicidin and tyrocidine, both of which are instrumental in its antimicrobial activity. The mode of action of tyrothricin involves disrupting bacterial cell membranes, leading to cell lysis and death. Gramicidin increases the permeability of the bacterial membrane to ions, while tyrocidine promotes disruption of membrane integrity, which together exert bactericidal and bacteriostatic effects.

8-Fluoro erythromycin is a synthetic derivative of the macrolide antibiotic erythromycin. It is derived from the fermentation of *Streptomyces erythraeus*, a species known for producing erythromycin, which is chemically modified to include a fluorine atom at the eighth position. This modification enhances its pharmacokinetic properties, improving its stability and bioavailability compared to the parent compound.

Pazufloxacin is an antibacterial agent, which is a synthetic derivative originating from the fluoroquinolone class of compounds. This source categorizes it alongside a group of broad-spectrum antibiotics known for their efficacy against a wide variety of bacterial pathogens. The mode of action of pazufloxacin involves the inhibition of bacterial DNA gyrase and topoisomerase IV. These are essential enzymes for bacterial DNA replication, transcription, repair, and recombination processes. By inhibiting these enzymes, pazufloxacin disrupts the bacterial DNA processes, ultimately leading to cell death.

Cefquinome sulfate is a cephalosporin antibiotic, which is a synthetic, broad-spectrum antimicrobial agent. It is derived from the beta-lactam family, specifically designed to combat Gram-positive and Gram-negative bacterial pathogens. The mode of action involves inhibiting bacterial cell wall synthesis. It achieves this by binding to penicillin-binding proteins (PBPs) within the bacterial cell wall, ultimately leading to cell lysis and death due to the interruption of necessary cell wall components.

Cephradine is a broad-spectrum antibiotic, which is a synthetic derivative of cephalosporin C, originating from the mold Cephalosporium acremonium. Its mode of action involves interfering with bacterial cell wall synthesis. Cephradine binds to penicillin-binding proteins (PBPs) located inside the bacterial cell wall, inhibiting the final transpeptidation step of peptidoglycan synthesis, which leads to cell lysis and death.

Antimicrobial Compound 1 is a broad-spectrum antimicrobial agent, which is derived from natural sources, specifically from marine bacteria with known potent antimicrobial properties. This compound acts by targeting and disrupting the synthesis of bacterial cell walls, specifically inhibiting peptidoglycan cross-linking, which ultimately leads to cell lysis and death due to osmotic instability. Such a mechanism offers a robust approach to tackling Gram-positive and Gram-negative bacteria.

PC 190723 is a synthetic chemical compound, which is derived through targeted chemical synthesis processes involving precise organic reactions. Its mode of action involves disrupting cellular division by inhibiting specific protein functions essential for the mitotic process. This molecular interaction results in potent effects on cell division, making it a valuable tool for studying cellular mechanics and developing therapeutic strategies.

Acetophos is an organophosphate insecticide, which is a synthetic chemical compound derived from phosphoric acid. It functions by inhibiting acetylcholinesterase, an essential enzyme in the nervous systems of insects. This inhibition leads to the accumulation of acetylcholine, causing continuous nerve impulses that result in the paralysis and eventual death of the pest.

Dicloxacillin is a penicillin antibiotic that is used to treat bacterial infections of the gastrointestinal tract, skin, and urinary tract. It binds to the penicillin-binding proteins in bacterial cell walls by competitive inhibition. Dicloxacillin inhibits bacterial growth by binding to the enzyme cell wall synthesis that is required for cell wall biosynthesis, inhibiting protein synthesis and cell division. This drug also has a toxic effect on respiratory system cells, which may be due to its ability to induce apoptosis. Dicloxacillin sodium salt is available as tablets for oral administration or as an intravenous solution for injection. It can interact with other drugs, such as benzalkonium chloride and matrix effect; it also has analytical methods such as chromatographic analysis and rate constant.

Tigecycline mesylate is a novel glycylcycline antibiotic, which is a derivative of the tetracycline class of antibiotics. It is a semi-synthetic product derived from minocycline, exhibiting a broad spectrum of antibacterial activity. Tigecycline mesylate functions through the inhibition of bacterial protein synthesis. It achieves this by binding to the 30S ribosomal subunit, thereby preventing the incorporation of amino acid residues into elongating peptide chains, a crucial step in protein production.

Gentamicin C2 sulfate is an aminoglycoside antibiotic with action on bacterial protein synthesis inhibition and is used for treating severe bacterial infections.

Nikkomycin Z is an antifungal agent, which is a secondary metabolite isolated from the bacterium Streptomyces tendae. This compound functions as a competitive inhibitor of chitin synthase, an essential enzyme responsible for the synthesis of chitin, a vital component of the fungal cell wall. By inhibiting this enzyme, Nikkomycin Z disrupts the structural integrity of the fungal cell wall, leading to impaired growth and cell lysis in susceptible fungi.

Cyclosporin V is an immunosuppressant medication with action on calcineurin inhibition and is used for preventing organ rejection in transplants and treating autoimmune diseases.

Erythromycin C is a macrolide antibiotic, which is a type of product derived from the bacterium *Saccharopolyspora erythraea*. It functions by binding to the 50S subunit of the bacterial ribosome, inhibiting protein synthesis through blocking translocation of peptidyl-tRNA. This mode of action effectively prevents bacterial growth and replication, making it a potent bacteriostatic agent.

Doxorubicin Impurity 2 is a chemical impurity of doxorubicin with no direct therapeutic action but used in research and quality control.

Sterigmatocystin is a mycotoxin, which is a secondary metabolite primarily produced by certain species of the fungi Aspergillus and Bipolaris. This compound exhibits its mode of action by interfering with DNA, RNA, and protein synthesis, ultimately disrupting cellular processes. As a precursor to the well-known aflatoxins, sterigmatocystin shares a similar structure and exhibits carcinogenic properties.

Doripenem is a carbapenem antibiotic with action on bacterial cell wall synthesis and is used for treating complicated bacterial infections like intra-abdominal infections and urinary tract infections.

Natamycin is a polyene macrolide antifungal agent with action on fungal cell membranes by binding to sterols and is used for treating fungal infections and as a food preservative.

Spiramycin I is a macrolide antibiotic with action on bacterial protein synthesis inhibition and is used for treating toxoplasmosis and bacterial infections.

Ceftobiprole medocaril sodium is a broad-spectrum cephalosporin antibiotic, which is a synthetically derived prodrug of ceftobiprole. Upon administration, ceftobiprole medocaril is rapidly converted into its active form, ceftobiprole, by the body's endogenous esterases. The mode of action involves binding to penicillin-binding proteins (PBPs) in the bacterial cell wall, leading to the inhibition of cell wall synthesis and ultimately the death of the bacteria. This action is effective against a wide range of gram-positive and gram-negative bacteria, including methicillin-resistant Staphylococcus aureus (MRSA) and penicillin-resistant Streptococcus pneumoniae.

Leptomycin B is a bacterial secondary metabolite, which is derived from the bacterium Streptomyces sp. This compound is a potent nuclear export inhibitor with a mechanism of action that targets and inhibits the export receptor CRM1 (Chromosomal Maintenance 1), also known as Exportin 1. By binding irreversibly to CRM1, Leptomycin B prevents the nuclear export of proteins and RNA, disrupting the nuclear-cytoplasmic transport essential for cell function.

Oxibendazole-amine hydrochloride is a synthetic anthelmintic compound, which is a derivative of benzimidazole, known for its broad-spectrum efficacy against various helminths. It primarily acts by disrupting the polymerization of tubulin into microtubules, effectively impairing essential cellular structures and functions within parasitic worms, leading to their death.

Oleandomycin is a macrolide antibiotic, which is derived from the bacterium *Streptomyces antibioticus*. This antibiotic functions by binding to the 50S subunit of the bacterial ribosome, thereby inhibiting protein synthesis. The interruption of this essential process ultimately leads to the cessation of bacterial growth and replication.