Antimicrobials

<p>A broad-spectrum antibiotic of macrolide class, which targets 50S ribosomal subunit and inhibits protein synthesis. Erythromycin is widely used in molecular biology and biotechnology as a selection marker. Erythromycin is also an agonist of the motilin receptor, and it has prokinetic activity on the gut.</p>

<p>Saquinavir is a HIV protease inhibitor drug that is used with other antiretroviral drugs for the treatment of HIV-1. As this drug prevents HIV protease activity, it prevents the proteolysis of the Gag polyprotein and thus results in non-infectious virus particles.</p>

<p>Antibiotic of tetracycline class; protein synthesis inhibitor</p>

<p>Ganciclovir is an acyclovir analog that is used in the treatment of cytomegalovirus and herpetic keratitis of the eye. This drug is a DNA polymerase inhibitor and exhibits its anti-viral properties by inhibiting viral replication.</p>

<p>Ampicillin is a β-lactam antibiotic with a broad spectrum of activity against Gram-positive and Gram-negative bacteria. It is used in the treatment of bacterial infections, including those caused by methicillin-resistant Staphylococcus aureus (MRSA), Streptococcus pneumoniae, and Listeria monocytogenes. Ampicillin binds to penicillin-binding proteins in the bacterial cell wall by competitive inhibition. It prevents the formation of an antibiotic-inhibitor complex with the enzyme cell wall synthesis that is required for cell wall biosynthesis, inhibiting protein synthesis and cell division.</p>

<p>STAADIUM™ PeptiZide L-Ala is a targeted inhibitor for L-alanine aminopeptidase-producing bacteria. The antibacterial activity of STAADIUM™ PeptiZide L-Ala is triggered by the enzyme L-alanine aminopeptidase, an enzyme located in the bacterial cell wall and is a characteristic of Gram-negative bacteria. L-alanine aminopeptidase has not been experimentally detected in Campylobacter species, anaerobic bacilli, Gram-positive and Gram-variable bacteria. More details in the application notes document.</p>

<p>Aminoglycoside antibiotic; inhibits protein synthesis by inducing miscoding</p>

<p>Tomopenem is a carbapenem antibiotic, which is a product of synthetic origin with broad-spectrum antibacterial properties. It acts by inhibiting the synthesis of bacterial cell walls through binding to penicillin-binding proteins, thereby disrupting the structural integrity of the cell wall and leading to bacterial cell lysis and death.</p>

<p>Cefepime dihydrochloride monohydrate is a fourth-generation cephalosporin antibiotic with action on bacterial cell wall synthesis and is used for treating severe bacterial infections, including pneumonia and urinary tract infections.</p>

<p>Nevirapine is a non-nucleoside reverse transcriptase inhibitor (NNRTI) with action on HIV reverse transcriptase to block viral replication and is used for treating HIV/AIDS in combination therapies.</p>

<p>Amphotericin B is a macrocycle antibiotic first isolated from Streptomyces nodosus. Its antifungal activity is exerted by interacting with the fungal membrane, mainly ergosterol, and inducing pore formation. The increase in membrane permeability causes loss of ions and cell death. The C-2’ hydroxyl residue of the mycosamine carbohydrate moiety in the structure seems to have a major role in binding to ergosterol. It is used in cell culture to prevent growth of microbial contaminants, such as yeast and fungi. It is recommended by the WHO and CDC as an antifungal component for VTM at a concentration of 250ug/ml.</p>

<p>Repromicin is a novel antibiotic, which is derived from a unique strain of actinobacteria. This organism is known for its ability to produce a wide range of bioactive compounds. Repromicin operates by inhibiting bacterial protein synthesis, a mode of action that involves binding to the bacterial ribosome and interfering with the translation process. This leads to an effective halt in bacterial growth and proliferation.</p>

<p>Kanamycin sulfate is a water-soluble antibiotic. Genes encoding kanamycin resistance are commonly used as selection markers in molecular biology .It acts during the translation mechanism in prokaryotic ribosomes to avoid bacterial cell growth.</p>

<p>Piperacillin sodium is a broad-spectrum beta-lactam antibiotic with action on bacterial cell wall synthesis and is used for treating severe infections caused by gram-negative bacteria, including Pseudomonas aeruginosa.</p>

<p>Cefadroxil is a first-generation cephalosporin antibiotic with action on bacterial cell wall synthesis and is used for treating infections like strep throat, skin infections, and urinary tract infections.</p>

<p>Inhibitor of beta-lactamase; inhibitor of cell wall synthesis; beta-lactam class</p>

<p>Inhibitor of protein synthesis; aminoglycoside</p>

<p>Broad-spectrum antibiotic; bacterial cell wall biogenesis inhibitor</p>

<p>Atazanavir is a HIV-1 protease inhibitor, used in the anti-retroviral therapy of adult and sometimes paediatric patients infected with HIV. In in vitro studies with human pulmonary epithelial cells, atazanavir has been studied as a potential inhibitor of SARS-CoV-2 Mpro protease, with the aim of halting viral replication.</p>

<p>Cefsulodin sodium salt is a beta lactam antibiotic in the third-generation cephalosporin family that inhibits penicillin-binding proteins (PBPs) to disrupt bacterial cell wall synthesis.</p>

<p>Anthracycline antibiotic with potent anti-tumoral activity. The compound interferes with DNA replication and RNA transcription since it intercalates between the base pairs of nucleic acids. It also inhibits the topoisomerase II, proteasome and generates free radicals, which leads to cell death of treated cells. Moreover, daunorubicin triggers apoptosis trough the stimulation of ceramide synthesis. It has been used as chemotherapy agent for the treatment of myeloid leukaemia (AML) and acute lymphocytic leukaemia (ALL).</p>

<p>Netropsin dihydrochloride is a pyrrole-amidine antibiotic with action on AT-rich sequences of DNA to inhibit replication and is used for research on DNA-binding properties and antiviral activity.</p>

<p>Tenofovir disoproxil is a nucleotide analog reverse transcriptase inhibitor that is used to treat infections such as Hepatitis-B and HIV. This drug is an antiretroviral agent that blocks reverse transcriptase, blocking viral replication.</p>

<p>Amorolfine is an antifungal drug that inhibits fungal enzymes (D14 reductase and D7-D8 isomerase). Its inhibition has an affect on fungal sterol synthesis pathways, and it depletes ergosterol. This drug can be used as a treatment for inflammatory lesions such as Tinea corporis, Tinea pedis, and Tinea cruris due to its ability to penetrate the skin barrier with ease.</p>

<p>Gentamicin C1a is an aminoglycoside antibiotic, which is a secondary metabolite derived from the bacterium Micromonospora. This antibiotic functions through a mode of action that involves binding to the 30S subunit of bacterial ribosomes. This binding disrupts protein synthesis by causing misreading of the mRNA, ultimately leading to inhibition of bacterial growth and cellular death.</p>

<p>Erythromycinacistrate is a macrolide antibiotic, which is derived from the bacterium *Saccharopolyspora erythraea*. Its mode of action involves binding to the 50S ribosomal subunit of susceptible bacteria, thereby inhibiting protein synthesis. This action effectively halts bacterial growth and replication, making it particularly effective against a wide range of Gram-positive and some Gram-negative bacteria.</p>

<p>Torezolid (Tedizolid) is an oxazolidinone antibiotic with action on bacterial protein synthesis by binding to the 50S ribosomal subunit and is used for treating acute bacterial skin and skin structure infections.</p>

<p>Cefacetrile is a first-generation cephalosporin antibiotic with action on bacterial cell wall synthesis and is used for treating bacterial infections in humans and animals.</p>

<p>Cefpodoxime proxetil is a prodrug of cefpodoxime with action on bacterial cell wall synthesis and is used for treating bacterial infections such as pneumonia, bronchitis, and gonorrhea.</p>

<p>Natural diterpene; anti-microbial</p>

<p>Gamithromycin is a macrolide antibiotic with action on bacterial protein synthesis and is used for treating respiratory infections in cattle, pigs, and sheep.</p>

<p>Fementation intermediate of Oritavancin</p>

<p>Rifapentine is a rifamycin antibiotic with action on bacterial RNA polymerase to inhibit transcription and is used for treating active and latent tuberculosis.</p>

<p>Dihydrostreptomycin sesquisulfate, EP is an aminoglycoside antibiotic, structurally derived from Streptomyces griseus. This compound originates from microbial biosynthesis, a method which harnesses the natural antibiotic-producing capabilities of microbial cultures. The mode of action of dihydrostreptomycin sesquisulfate involves binding to the 30S subunit of bacterial ribosomes, which interrupts the process of protein synthesis, ultimately leading to bacterial cell death.</p>

<p>A fluoroquinolone antibiotic which inhibits nucleic acid synthesis by targeting the DNA gyrase and topoisomerase IV. This second-generation fluoroquinolone has a broad spectrum of action and is more effective against Gram-negative bacteria.</p>

<p>Griselimycin is an antibiotic, which is derived from the bacterial genus *Streptomyces*. This compound exhibits its mode of action by targeting bacterial protein synthesis, specifically binding to the DNA polymerase sliding clamp, thereby inhibiting replication and cell division in a range of bacterial pathogens. Griselimycin has been the focus of renewed scientific interest due to its potent activity against Mycobacterium tuberculosis, including multi-drug-resistant strains. The compound’s unique mode of action makes it a promising candidate for further development in the treatment of tuberculosis and potentially other bacterial infections that have developed resistance to more commonly used antibiotics. Advances in understanding its biosynthesis have facilitated semi-synthetic modifications, potentially enhancing its pharmacokinetic properties and antimicrobial spectrum. The applications of Griselimycin extend to research contexts where understanding resistance mechanisms and novel antibiotic development are critical. Continued exploration of this compound may contribute significantly to addressing the global challenge of antibiotic resistance.</p>

<p>Pimodivir is a non-nucleoside-derived inhibitor of the polymerase basic protein 2 (PB2) subunit found in the polymerase complex of the influenza A virus. In general, pimodivir is indicated for the treatment of patients with severe influenza although knowledge about possible rise of resistance is not available.</p>

<p>Temocillin disodium is a beta-lactamase-resistant penicillin antibiotic with action on bacterial cell wall synthesis and is used for treating infections caused by multidrug-resistant gram-negative bacteria.</p>

<p>Inhibitor of protein synthesis; aminocyclitol class</p>

<p>HIV-1 Integrase Inhibitor is an antiretroviral compound with a mode of action that blocks the viral enzyme integrase, preventing the integration of viral DNA into the host genome. It is used for the treatment of HIV infection.</p>

<p>Doxorubicin (DOX) is an antineoplastic chemotherapy drug used to treat breast, ovarian and pancreatic cancers. It is an antitumor antibiotic that inhibits DNA topoisomerase II. DOX interferes with the topoisomerase II-mediated repair of DNA causing accumulation of mutations. It also leads to the generation of reactive oxygen species (ROS), which further damage DNA as well as proteins and membranes. However, the compound presents with a risk of developing cardiomyopathy as well as drug resistance. Pegylated liposomal doxorubicin has also been developed to treat breast and ovarian cancers, myeloma, and HIV-related Kaposi’s sarcoma.</p>

<p>Cefotaxime sodium is a broad-spectrum cephalosporin antibiotic, which is a semisynthetic derivative of cephalosporin C obtained from the mold Acremonium. This compound functions by inhibiting bacterial cell wall synthesis, which it achieves through binding to and deactivating penicillin-binding proteins (PBPs) located on the inner membrane of the bacterial cell wall. This action prevents the cross-linking of peptidoglycan chains, leading to cell lysis and bacterial death, primarily affecting rapidly dividing cells.</p>

<p>Ipconazole is a fungicide with a mode of action that inhibits ergosterol biosynthesis, disrupting fungal cell membranes. It is used for seed treatment to protect crops like cereals and vegetables from fungal diseases. It's sold as a mixture of two isomers.</p>

<p>Inhibits chaperone protein HSP90; anti-proliferative; antineoplastic</p>

<p>Anti-fungal; glucan synthase inhibitor</p>

<p>Herbicidin K is a naturally derived herbicide, known for its biological origin from microbial fermentation processes. It is primarily sourced from certain strains of Streptomyces, a genus of Gram-positive bacteria notable for their diverse secondary metabolites. The mode of action of Herbicidin K involves the inhibition of key enzymatic pathways within target plants, leading to the disruption of cellular functions and ultimately plant death. This selectivity is particularly effective against broadleaf weeds, providing a targeted approach to weed management.</p>

<p>2-Methyl-4-isothiazolin-3-one or MIT is a powerful antimicrobial and antifungal agent which is widely used in personal care products. It is also used in industrial applications as a preservative and antifouling agent.</p>

<p>Neomycin, one of the many oligosaccharide containing antibiotics, is an aminoglycoside antibiotic found in Streptomyces fradiae (Collins, 2006) with wide spectrum, active against Gram-negative Gram-positive bacteria. Neomycin is commony used as a selection marker in cloning, and is therefore used in growth media to select colonies with the neomycin resistance cassette integrated into their genome. Neomycin is a mixture of neomycin B (Framycetin) and its epimer Neomycin C, the latter component accounting for some 5–15% of the mixture.</p>

<p>Inhibitor of cell wall biogenesis; glycopeptide antibiotic</p>

<p>Cephalothin sodium is a first-generation cephalosporin antibiotic with action on bacterial cell wall synthesis and is used for treating bacterial infections such as respiratory tract infections and skin infections.</p>