Antimicrobici

SPR741 is an antimicrobial potentiator, which is derived from polymyxin B, an antibiotic sourced from the bacterium *Bacillus polymyxa*. Its mode of action involves permeabilizing the outer membrane of Gram-negative bacteria, allowing otherwise impermeable antibiotics to enter the bacterial cell. This potentiation effect significantly enhances the efficacy of co-administered antibiotics against resistant strains.

Sarecycline is a tetracycline-class antibiotic, which is derived from naturally occurring tetracycline antibiotics. Its mode of action involves inhibition of bacterial protein synthesis by binding to the 30S ribosomal subunit, thereby preventing the addition of amino acids to nascent peptide chains. This specific mechanism disrupts bacterial growth, making Sarecycline effective against certain strains of bacteria implicated in dermatological conditions.

Violacein is a model system for studying the effects of hydroxyl groups on cell lysis. It is a fatty acid that contains nitrogen atoms and has antimicrobial properties. Violacein has been shown to cause the loss of mitochondrial membrane potential in HL-60 cells, which may be due to its ability to act as a multidrug efflux pump inhibitor. Violacein also exhibits antimicrobial activity against several bacterial strains, including MRSA and methicillin-sensitive Staphylococcus aureus (MSSA). In addition, violacein has been shown to induce cell lysis in vitro via the degradation of proteins and lipids in the cytoplasm.

6-(2-Chlorophenoxy)-5-fluoro-4(3H)-pyrimidinone is a heterocyclic compound, which is a synthetic derivative developed for biochemical research. This compound is synthesized through a series of organic reactions, involving halogenation and cyclization techniques, typically conducted in a controlled laboratory setting. Its design incorporates specific structural features, such as the chlorophenoxy and fluoro groups, which are strategically positioned to enhance its binding affinity and specificity.

Narasin is an ionophore antibiotic, which is a fermentation product derived from certain strains of the bacterium *Streptomyces aureofaciens*. It functions by disrupting the ion gradients across cell membranes, specifically facilitating the transport of sodium and potassium ions. This action interferes with the energy metabolism of certain pathogenic microorganisms, rendering them unable to proliferate effectively.

Pantoprazole-d3 is a stable isotope-labeled version of the proton pump inhibitor pantoprazole, which is derived synthetically for scientific research and analytical applications. Isotope labeling involves substituting hydrogen atoms with deuterium, resulting in Pantoprazole-d3 containing three deuterium atoms. This modification preserves the pharmacological profile of the parent compound while enabling precise tracking in biological studies through advanced spectroscopic techniques.

Sanfetrinem cilexetil is an oral prodrug, which is derived from trinem antibiotics, a subgroup of β-lactams. It is a synthetic compound developed to enhance the pharmacokinetic properties of its active form, sanfetrinem. Upon oral administration, sanfetrinem cilexetil undergoes hydrolysis in the digestive tract to release the active β-lactam antibiotic, sanfetrinem.

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.

Picarbutrazox is a fungicide, which is a product derived from chemical synthesis designed to protect crops by inhibiting fungal growth. It works through a specific mode of action that targets and disrupts the biosynthesis of essential lipids within fungal cells. This disruption ultimately leads to the cessation of cell membrane formation, impeding the growth and proliferation of the fungi.

Nonactin is a macrotetrolide antibiotic with action as an ionophore for potassium and ammonium ions and is used for research on ion transport and bacterial inhibition.

Metolachlor mercapturate is a metabolite of the herbicide Metolachlor, which is derived from the degradation of the primary active ingredient found in various agricultural herbicide formulations. It is formed through biotransformation processes in plants, soil, and water, where the parent compound undergoes enzymatic reactions leading to its metabolic products. The primary mode of action involves the inhibition of elongase enzymes, which are crucial for the synthesis of fatty acids in plants, thus preventing cell division and impacting weed growth effectively.

Carbovir monophosphate is an antiviral agent, which is a metabolite derived from the prodrug abacavir. It functions as a nucleotide analog that interferes with viral replication. The source of Carbovir monophosphate is the metabolic conversion of abacavir, an antiretroviral medication used in the treatment of HIV. This conversion occurs primarily in the liver, facilitated by cellular enzymes.

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.

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.

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.

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.

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.

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.

Mesosulfuron is a selective herbicide, which is a synthetic chemical compound with a specific mode of action designed to inhibit acetolactate synthase (ALS). This enzyme inhibition disrupts the biosynthesis of essential amino acids such as valine, leucine, and isoleucine, leading to the cessation of cell division and consequent plant growth arrest. The herbicide is primarily utilized in agricultural settings, particularly for post-emergence control of various grass weeds within cereal crops, including wheat and barley. Its application is crucial for managing weed competition that can significantly impact crop yield and quality. Mesosulfuron is absorbed through the foliage and roots of targeted species, providing systemic action that ensures effective control. Its usage is governed by stringent regulations to minimize environmental impact and to manage herbicide resistance through integrated weed management strategies.

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

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.

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.

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.

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.

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.

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.

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.

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

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.