gram-positive,bacteria

A40926 (Dalbavancin Impurity) is effective against Gram positive bacteria.

Teicoplanin (MDL-507) is a semisynthetic glycopeptide antibiotic, used to treat Gram-positive bacteria.

Lysozyme from chicken egg white (Lysozyme) is a bactericidal enzyme present in the chicken eggwhite, and it lyses gram-positive bacteria.

CysHHC10 acetate shows antibacterial activities against both Gram-positive and Gram-negative bacteria with MIC of 10.1, 20.2, 2.5, and 1.3 mM for E. coli, P. aeruginosa, S. aureus, and S. epidermidis, respectively.

Magainin 1 acetate is an antimicrobial peptide. Magainin 1 acetate exhibits antibiotic activity against numerous Gram-negative and Gram-positive bacteria.

Feglymycin is a 13-amino acid peptide originally isolated from Streptomyces that has antibacterial and antiviral activities. It is active against Gram-positive bacteria (MICs = 32-64 μg/ml) and inhibits HIV viral replication in H9 cells (IC50 = ~5 μM). Feglymycin is also active against clinical isolates of HIV-1 from clades A-D, A/E, and G (EC50s = 0.5-6.7 μM). It interacts with gp120 and inhibits HIV-1 NL4.3 binding to human soluble CD4 (EC50 = 4.4 μM) and to CD4+ SupT1 T cells by 74.5% when used at a concentration of 10.5 μM. Feglymycin inhibits the E. coli peptidoglycan biosynthesis enzymes MurA and MurC (Kis = 3.4 and 0.3 μM, respectively) in a noncompetitive manner.

CAP18 (rabbit) is a 37-amino-acid antimicrobial peptide derived from rabbit granulocytes, exhibiting extensive antimicrobial activity against both Gram-positive [IC50, 130-200 nM] and Gram-negative bacteria [IC50, 20-100 nM]. CAP18 (rabbit) holds promise for the study and advancement of bacterial sepsis research.

Temporin A, a short alpha-helical antimicrobial peptide derived from the skin of Rana temporaria, exhibits a wide-ranging efficacy against Gram-positive bacteria. It directly interacts with the cell membrane of microorganisms and remains non-toxic to erythrocytes at antimicrobial concentrations. Additionally, Temporin A demonstrates antifungal properties against yeast-like Candida albicans.

Omiganan is a cationic antimicrobial peptide with activity against both gram-positive and gram-negative bacteria, as well as Candida spp. isolates. This compound, serving as an analogue of indolicidin, is utilized for research purposes related to alcohol nose and acne.

Human β-defensin-2 (HβD-2) is a cationic skin-antimicrobial peptide (SAP) characterized by its small size and rich cysteine content. Produced by various epithelial cells, it exhibits potent antimicrobial properties against gram-negative bacteria and Candida but is not effective against gram-positive Staphylococcus aureus. Given these characteristics, Human β-defensin-2 serves as a valuable tool in colitis research.

IDR-1 is an antimicrobial peptide active against both Gram-positive and Gram-negative bacteria. This compound modulates innate immunity to counter infections while avoiding evident toxicities. Additionally, IDR-1 exhibits anti-inflammatory and anti-infective properties, increases the levels of monocyte chemokines, and reduces the release of pro-inflammatory cytokines.

Cefilavancin (TD-1792), a potent glycopeptide-cephalosporin heterodimer antibiotic, exhibits effective activity against Gram-positive bacteria. It has been utilized in researching skin infections [1] [2] [3].

PBP10, a cell-permeable and selective gelsolin-derived peptide, inhibits formyl peptide receptor 2 (FPR2) over FPR1 [1]. This 10-amino acid (AA) peptide features a rhodamine conjugation at its N terminus, exhibiting bactericidal activity against both gram-positive and gram-negative bacteria while mitigating microbial-induced inflammatory effects [2].

Buforin II, a powerful antimicrobial peptide originating from Buforin I (a protein extracted from the Asian toad Bufo bufo gargarizans's stomach), exhibits broad-spectrum antimicrobial properties against both Gram-positive and Gram-negative bacteria [1].

Aurantimycin A (Adipogen), a depsipeptide antibiotic, demonstrates significant efficacy against Gram-positive bacteria and acts as a substrate for the LieAB transporter [1] [2].

MDP1, derived from Melittin, disrupts the membrane integrity of both Gram-positive and Gram-negative bacteria, leading to bacterial death through membrane damage. This compound exhibits potent antibacterial activity against multidrug-resistant (MDR) and reference strains of S. aureus, E. coli, and P. aeruginosa [1].

MDP1 acetate, a derivative of Melittin, compromises the membrane integrity of both Gram-positive and Gram-negative bacteria leading to bacterial death through membrane damage. It exhibits potent antibacterial activity against multidrug-resistant (MDR) and reference strains of S. aureus, E. coli, and P. aeruginosa [1].

Compound 8C (c[Arg-Arg-Arg-Arg-Dip-Dip-Dip]) demonstrates broad-spectrum efficacy against drug-resistant Gram-positive and Gram-negative bacteria. Specifically, it exhibits minimum inhibitory concentrations (MICs) of 3.1 μg/mL for MRSA (ATCC BAA-1556), 3.1 μg/mL for S. aureus (ATCC 29213), 12.5 μg/mL for P. aeruginosa (ATCC 27883), and 12.5 μg/mL for E. coli (ATCC 25922) [1].

Compound 9C [c[Arg-Arg-Arg-Arg-Nal-Nal-Nal]] demonstrates broad-spectrum efficacy against drug-resistant Gram-positive and Gram-negative bacteria. It exhibits minimum inhibitory concentrations (MICs) of 3.1 μg/mL for MRSA (ATCC BAA-1556), 3.1 μg/mL for S. aureus (ATCC 29213), 12.5 μg/mL for P. aeruginosa (ATCC 27883), and 25 μg/mL for E. coli (ATCC 25922) [1].

Cecropin D, an antimicrobial peptide, exhibits a minimum inhibitory concentration (MIC) of 4.55 μg/mL and demonstrates efficacy against both Gram-negative and Gram-positive bacteria. Additionally, it possesses antiviral, antifungal, antitumor, and immunomodulatory properties [1] [2].

Cecropin A (1-7)-Melittin A (2-9) is an antimicrobial peptide with broad-spectrum activity against both Gram-positive and Gram-negative aerobic bacteria, as well as antimalarial properties, without the adverse hemolytic effects commonly associated with bee venom peptides [1].

GVLSNVIGYLKKLGTGALNAVLKQ (PGQ) is a 24-amino acid antimicrobial peptide capable of forming an α-helix structure. It exhibits activity against both Gram-negative and Gram-positive bacteria, as well as the yeast Candida albicans [1].

Polyphemusin I, an amphiphilic antiparallel β-hairpin peptide stabilized by two disulfide bridges, comprises 18 amino acids and exhibits potent antimicrobial activity against both Gram-negative and Gram-positive bacteria [1].

Lugdunin is an antibiotic peptide that disrupts membrane potential in bacteria, demonstrating activity against Gram-positive species including S. aureus, and effectively reducing skin and nasal colonization of this pathogen. Moreover, Lugdunin stimulates the production of LL-37 and CXCL8/MIP-2 in human keratinocytes and mouse skin [1].