Antibatterico

(E)-2,6-Di-tert-butyl-4-(4-(diethylamino)styryl)pyrylium TFA (Compound 4a) functions as a Gram-negative outer membrane permeabilizer by targeting Met47 in LptA to disrupt LptA/LptC interactions, exhibiting synergistic antibacterial activity. This compound, when in the form of (trifluoromethanesulfonate), enhances the efficacy of pol B against both wild-type and multi-drug resistant A. baumannii and E. coli strains. Additionally, (E)-2,6-Di-tert-butyl-4-(4-(diethylamino)styryl)pyrylium (trifluoromethanesulfonate) serves as an adjuvant for antibiotics combating multi-drug resistant Gram-negative bacteria.

Quorum sensing-IN-9 (Compound 7d) inhibits quorum sensing in Pseudomonas aeruginosa by binding to the PqsR protein. It suppresses the expression of quorum sensing system-related genes lasB, rhlA, and pqsA, thereby preventing the production of virulence factors elastase, pyocyanin, and rhamnolipid. Quorum sensing-IN-9 disrupts the motility of P. aeruginosa, inhibits biofilm formation, and reduces the bacterium's virulence and pathogenicity. Additionally, it exhibits anti-infective activity in the Galleria mellonella larval model.

MsbA-IN-4 (Compound 32) is a highly selective and potent inhibitor of MsbA (IC50: 3 nM).MsbA-IN-4 inhibits Escherichia coli (MIC: 12 μM).

Ph-Ph+ is a dimerized phenanthroline derivative with antitumor, antibacterial, and antifungal effects.

D-CS319 is a potent inhibitor of metal-𝛽-lactamases (MBLs), exhibiting IC50 values of 2.0 μM for IMP-1 and 3.0 μM for IMP-78. RPX 7546 possesses antibacterial activity.

Compound 112: Powerful antibacterial, MIC 1250 μM against B. subtilis, E. coli, E. faecalis, S. typhimurium, S. aureus; also an HIV-1 antibody.

MsbA-IN-5 (compound 40) is a potent and highly selective inhibitor of MsbA (IC50: 2 nM). MsbA-IN-5 can be used in Gram-negative studies.

Fostriecin inhibits PP2A/PP4 (IC50s = 3.2/3 nM), weakly affects topoisomerase II/PP1 (IC50s = 40/131 μM), doesn't inhibit PP2B, and may modify epigenetics.

844-TFM, a NBTI DNA gyrase blocker, IC50: 1.5 μM, kills Mycobacterium abscessus.

OPC-167832: oral dprE1 inhibitor, IC50 0.258 μM, anti-tuberculosis, for Mycobacterium tuberculosis research.

Cilastatin ammonium salt is an antibiotic that is particularly effective against Gram-positive cocci, with a half-life of 3-4 hours.

Levofloxacin mesylate is an orally active antibiotic effective against both Gram-positive and Gram-negative bacteria. It inhibits DNA gyrase and topoisomerase IV enzymes. Levofloxacin mesylate is employed in research related to chronic periodontitis, airway inflammation, and BK viremia. Additionally, it possesses anti-Orthopoxvirus activity.

Carbonic anhydrase inhibitor28 (Compound 11) serves as an inhibitor for the Pseudomonas aeruginosa carbonic anhydrase. It exhibits antibacterial activity, with minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) values of 0.5 and 1 μg/mL, respectively, against P. aeruginosa. Carbonic anhydrase inhibitor28 is utilized in research focused on anti-infection applications.

Antibiofilm agent-14 (compound 11) functions as an antibiofilm agent. It exhibits antifungal activity against C.albicans SC5314, with a minimum inhibitory concentration (MIC) of 50 μM.

Antitubercular agent-15 (5n): low toxicity, fights M. tuberculosis strains; MIC90 values range 0.73-18.8 μg/mL.

Anti-MRSA agent 23 (compound 11) is a potent agent against methicillin-resistant Staphylococcus aureus. This compound exhibits both antibacterial and antibiofilm properties. It facilitates the healing and reconstruction of MRSA-infected skin wounds by reducing bacterial load, alleviating inflammation, and promoting angiogenesis.

Pyrromycin is a monosaccharide anthracycline which can be used to inhibit cellular RNA synthesis.

MK-3402 is a metallo-beta-lactamase inhibitor. MK-3402can be used in the research of bacteria .

Palmitanilide (Palmitic acid anilide) is an antimicrobial agent effective against Gram-positive bacteria. It can electrostatically bind to components of the cell wall of Gram-positive bacteria (such as Bacillus cereus), altering the membrane structure and affecting normal cellular functions. Palmitanilide shows potential for research into infections caused by Gram-positive bacteria.

Antifungal agent 27 shows moderate action against MRSA, weak against C. albicans, with MICs of 8 μg/mL and 32 μg/mL, respectively.

MB076 is an innovative heterocyclic triazole designed with enhanced plasma stability. It effectively inhibits seven distinct Class C Acinetobacter-derived cephalosporinases (ADCs) β-lactamase variants with K i values less than 1 μM. Additionally, MB076 demonstrates a synergistic effect when combined with various cephalosporins to restore pBCSK(−) susceptibility [1].

BAR-072 is a small molecule inhibitor targeting TraE with a KD value of 2.7 µM. It significantly suppresses the transfer of the antibiotic resistance-associated plasmid pKM101. BAR-072 holds promise as a candidate molecule for research in disease areas related to infection and resistance control, by inhibiting the spread of bacterial resistance genes.

Mycobacterium Tuberculosis-IN-6 (compound b1) is an inhibitor of the enoyl reductase InhA from Mycobacterium tuberculosis, with an IC50 value of 7.74 μM. It is useful in antibacterial research.

Eravacycline (TP-434) is a potent and broad-spectrum antibacterial agent.