gram-positive bacteria

Anti gram-positive/negative bacteria agent 1 is an antibiotic linked with a synthetic MECAM-based siderophore, serving as a conjugate aimed at combating gram-positive and gram-negative bacteria.

Nigericin sodium salt is an antibiotic, an NLRP3 activator, and a cationic ion carrier. Nigericin sodium triggers the activation of the NALP3 inflammasome, which inhibits Golgi function and suppresses the growth of Gram-positive bacteria.

Ampicillin (Aminobenzylpenicillin) is a semi-synthetic penicillin belonging to the β-lactam group of antibiotics. Ampicillin has bactericidal activity against a wide range of Gram-positive and Gram-negative bacteria.

Berberine hydrogen sulphate (Umbellatine Sulfate) , an alkaloid extracted from several plants, possesses antimicrobial activity against a wide variety of microorganisms including Gram-positive and Gram-negative bacteria, fungi, and protozoa.

Penicillin G sodium(Benzylpenicillin sodium) salt is a penicillin derivative commonly used in the form of its sodium or potassium salts in the treatment of a variety of infections. It is effective against most gram-positive bacteria and against gram-negative cocci. It has also been used as an experimental convulsant because of its actions on GAMMA-AMINOBUTYRIC ACID mediated synaptic transmission.

Norfloxacin (MK-0366)(Norxacin) is a broad-spectrum antibiotic that is active against both Gram-positive and Gram-negative bacteria.

BC-7013 is a novel pleurophytin with antimicrobial activity that inhibits the activity of gram-positive pathogenic bacteria and can be used in the study of skin and respiratory infections.

Clofoctol is a bacteriostatic antibiotic with activity against Gram-positive bacteria, used in the treatment of upper and lower respiratory tract infections.

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.

Sarafloxacin (A56620) has antibacterial activities against Gram-positive and Gram-negative bacteria.

Imipenem (MK0787) is a thienomycin derivative that belongs to the class of antibiotics with antibacterial activity and partial inhibition against gram-positive and gram-negative bacteria. Imipenem can be used to study carbapenem non-susceptible infections and Pseudomonas aeruginosa biofilm infections.

Moiramide B is a potent acetyl coenzyme A carboxylase (ACC) inhibitor (IC50:6 nM) with antimicrobial activity, strongly inhibiting Gram-positive bacteria but weakly inhibiting Gram-negative bacteria.

Di-O-methylhonokiol (Honokiol dimethyl ether), a phenolic component of Magnolia grandiflora L, exhibits antimicrobial activity and significant antioxidant activity against Gram-positive and acid-resistant bacteria and fungi.

DuP 105 is an oral oxazolidinone, a novel synthetic antimicrobial compound effective against gram-positive bacteria.

ALPHA-PINENE ((-)-Alpha-Pinene) is a bicyclic monoterpene found in pine trees and other plants, including Cannabis with diverse biological activities [1]. It reduces the growth of a panel of seven Gram-positive bacteria, seven Gram-negative bacteria, and eight yeast strains with MIC values of 0.75-1.29, 1.05-1.59, and 0.7-1.17%, respectively [2]. It has insecticidal activity against C. molestus larvae with LC50 values ranging from 47 to 49 mg/L.3 ALPHA-PINENE (100 μg/ml) induces apoptosis, increases anion superoxide production and DNA fragmentation, and activates caspase-3 in B16/F10 melanoma cells [4]. In a B16/F10 mouse xenograft model, ALPHA-PINENE(100 ml of a 10 mg/ml solution) reduces the number of metastatic lung nodules by approximately 7-fold. ALPHA-PINENE(8.6 mg/L, aerosol) also increases the time spent in the open arms of the elevated plus maze by approximately 2-fold in mice, indicating anxiolytic-like activity [5].

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

Sulopenem, an orally active, potent inhibitor of beta-lactamase, is a parenteral penem antibiotic with broad-spectrum activities against Gram-negative and Gram-positive bacteria.

Sapienic acid sodium is a fatty acid commonly. It has variable antimicrobial activities against Gram-positive and Gram-negative bacteria found on the skin and in the oral cavity.

Muramic acid is a prevalent constituent found in the cell walls of Gram-positive bacteria, serving as a distinguishing marker for such bacteria[1].

Oxaquin is an effective, water-soluble, injectable prodrug that is rapidly converted to the active substance MCB3681 after intravenous administration in the body. Oxaquin is active against Gram-positive bacteria, but has no antibacterial effect on its own.

Chlorhexidine (Rotersept) is a biguanide compound used as an antiseptic agent with topical antibacterial activity. Chlorhexidine is positively charged and reacts with the negatively charged microbial cell surface, thereby destroying the integrity of the cell membrane. Subsequently, chlorhexidine penetrates into the cell and causes leakage of intracellular components leading to cell death. Since gram-positive bacteria are more negatively charged, they are more sensitive to this agent.

Spiramycin (Rovamycin) is a macrolide antibiotic produced by Streptomyces ambofaciens. The drug is effective against gram-positive aerobic pathogens, N. gonorrhoeae, and staphylococci. It is used to treat infections caused by bacteria and Toxoplasma gondii.

Cephalexin (Cephacillin) is a cephalosporin antibiotic.

Nafcillin sodium, a narrow-spectrum beta-lactam antibiotic of the penicillin class, is used to treat infections caused by Gram-positive bacteria, in particular, species of staphylococci that are resistant to other penicillins.

Daptomycin (LY146032) is a cyclic lipopeptide antibiotic that inhibits GRAM-POSITIVE BACTERIA.

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

Midecamycin (Medecamycin A1), an acetoxy-substituted macrolide antibiotic, has effective on gram-positive and gram-negative bacteria acts by inhibiting bacterial protein synthesis.

Thiostrepton (Alaninamide) is a one of the CYCLIC PEPTIDES from Streptomyces that is active against gram-positive bacteria. In veterinary medicine, it has been used in mastitis caused by gram-negative organisms and in dermatologic disorders.

Nonacosane is a straight-chain alkane comprising of 29 carbon atoms. It has a role as a plant metabolite and a volatile oil component.

Nitrofurazone (Furacilin) is a topical anti-infective agent effective against gram-negative and gram-positive bacteria. It is used for superficial WOUNDS AND INJURIES and skin infections. Nitrofurazone(NFZ) has also been administered orally in the treatment of TRYPANOSOMIASIS.

4-Hydroxybenzoic acid (4-hydroxybenzoate) is a monohydroxybenzoic acid, a phenolic derivative of benzoic acid. It is a white crystalline solid that is slightly soluble in water and chloroform but more soluble in polar organic solvents such as alcohols. It could inhibit most gram-positive and some gram-negative bacteria, with an IC50 of 160 μg/mL.

Tigecycline hydrate (GAR-936 hydrate) is a broad spectrum glycylcycline antibiotic. Tigecycline hydrate is bacteriostatic, that inhibits protein synthesis by binding to the 30S ribosomal subunit of bacteria and thereby blocking entry of Aminoacyl-tRNA into the A site of the ribosome during prokaryotic translation. Tigecycline hydrate is active against resistant strains of Gram-positive and Gram-negative bacteria .

Termicin, an antimicrobial peptide derived from Pseudacanthotermes spiniger, exhibits activity against gram-positive bacteria, filamentous fungi, and yeasts [1].

Compound 24f, an antifungal agent also known as 'Antifungal agent 85,' demonstrates potent antibacterial properties, exhibiting minimum inhibitory concentration (MIC) values ranging from 2.5 to 10 μM against diverse Gram-positive bacteria [1].

Ceftaroline fosamil hydrate acetate is a powerful cephalosporin antibiotic that exhibits broad-spectrum efficacy against both Gram-positive pathogens, such as methicillin-resistant Staphylococcus aureus (MRSA) and multidrug-resistant Streptococcus pneumoniae, and common Gram-negative bacteria. It possesses anti-infective properties suitable for studying complicated skin and skin structure infections (cSSSIs) and community-acquired bacterial pneumonia (CABP) [1] [2] [3].

Lysozyme chloride, a bactericidal enzyme, specifically targets and lyses gram-positive bacteria. Additionally, it is utilized in the research of HIV infection and pulmonary emphysema [1] [2] [3].

Pristinamycin, synthesized by Streptomyces pristinaespiralis, is an orally administered antibiotic resembling streptogramin, comprising two distinct components: Pristinamycin I (PI) and Pristinamycin II (PII). This compound exhibits a high efficacy against various antibiotic-resistant pathogens, especially Gram-positive bacteria such as Methicillin-resistant Staphylococcus aureus (MRSA), Vancomycin-resistant S. aureus (VRSA), and Enterococcus faecium (VREF) [1].

Flomoxef is an antibiotic in oxacephem group and has excellent activity against various gram-positive bacteria.

Setomimycin is an antibiotic against Gram positive bacteria, including mycobacteria.

Viquidacin ( NXL-101) is an oral/intravenous antibiotic that targets Gram-positive bacteria such as MRSA. In 2008, Novexel announced it had discontinued the development of Viquidacin (NXL 101).

Teicoplanin aglycone is an antibacterial glycopeptide antibiotic used in the prophylaxis and treatment of serious infections caused by Gram-positive bacteria, including Enterococcus faecalis and methicillin-resistant Staphylococcus aureus.

Ramoplanin is a broad-spectrum lipoglycodepsipeptide antibiotic with activity against gram-positive bacteria. It is existed in the Actinoplanes spp.

TPU-0037C is a metabolite of the marine actinomycete S. platensis that is structurally similar to lydicamycin . It is active against Gram-positive bacteria (MICs = 0.39-3.13 μg/ml), including methicillin-resistant S. aureus strains (MIC = 3.13 μg/ml), but is ineffective against Gram-negative bacteria (MICs = >50 μg/ml).

Lankamycin is a macrolide antibiotic from various strains of Streptomyces. It may have significant activity against some Gram positive bacteria.

Ajoene is a disulfide that has been found inA. sativumand has diverse biological activities, including antibacterial, anticancer, antiplatelet, and antioxidant properties.1,2,3,4It is active against Gram-positive (MICs = 5-160 µg/ml) and Gram-negative bacteria (MICs = 136-200 µg/ml), as well as yeasts (MICs = 10-20 µg/ml).1Ajoene is cytotoxic to mouse melanoma cells (IC50= 18 µM), as well as human colon, lung, mammary, and pancreatic cancer cells (IC50s = 7-41 µM).2It reduces tumor growth in a B16/BL6 mouse model of melanoma when administered at a dose of 25 mg/kg every other day and decreases the number of lung metastases when administered prior to tumor cell inoculation at doses ranging from 1-25 mg/kg. It inhibits ADP- or collagen-induced platelet aggregation in isolated baboon platelets when used at concentrations ranging from 75 to 150 µg/ml and in platelet-rich plasma isolated from baboons when administered at a dose of 25 mg/kg.3Ajoene (25 mg/kg) prevents thrombus formation on damaged arterial walls in heparinized pigs in anin situmodel of thrombogenesis.5It also reduces high-fat diet-induced hepatic steatosis, histopathological markers of liver damage, thiobarbituric acid reactive substances (TBARS) formation, and protein oxidation in a mouse model of non-alcoholic fatty liver disease (NAFLD).4 1.Naganawa, R., Iwata, N., Ishikawa, K., et al.Inhibition of microbial growth by ajoene, a sulfur-containing compound derived from garlicAppl. Environ. Microbiol.62(11)4238-4242(1996) 2.Taylor, P., Noriega, R., Farah, C., et al.Ajoene inhibits both primary tumor growth and metastasis of B16/BL6 melanoma cells in C57BL/6 miceCancer Lett.239(2)298-304(2006) 3.Teranishi, K., Apitz-Castro, R., Robson, S.C., et al.Inhibition of baboon platelet aggregation in vitro and in vivo by the garlic derivative, ajoeneXenotransplantation10(4)374-379(2003) 4.Han, C.Y., Ki, S.H., Kim, Y.W., et al.Ajoene, a stable garlic by-product, inhibits high fat diet-induced hepatic steatosis and oxidative injury through LKB1-dependent AMPK activationAntioxid. Redox Signal.14(2)187-202(2011) 5.Apitz-Castro, R., Badimon, J.J., and Badimon, L.A garlic derivative, ajoene, inhibits platelet deposition on severely damaged vessel wall in an in vivo porcine experimental modelThromb. Res.75(3)243-249(1994)

Urdamycin A is a bacterial metabolite originally isolated fromS. fradiaethat has antibacterial and anticancer activities.1,2It is active against a variety of Gram-positive and Gram-negative bacteria, includingB. subtilisand strains ofArthrobacterandStreptomyces, but not the fungusS. cerevisiae, in a disc assay when used at a concentration of 1 mg/ml.2Urdamycin A is cytotoxic to L1210 and HT-29, but not A549, cancer cells (IC50s = 7.5, 5, and >10 μg/ml, respectively).1

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].

Ibericin is an anthraquinone metabolite isolated from the root part of Prismatomeris filamentosa with some antibacterial activity against Gram-positive and Gram-negative bacteria.

Kigamicins are natural antitumor antibiotics that selectively kill pancreatic cancer PANC-1 cells only under nutrient-starved conditions. They also show antimicrobial activity against Gram-positive bacteria, including methicillin-resistant S. aureus. Kigamicin C inhibits PANC-1 cell survival in nutrient-deprived media at a 100-fold lower concentration than that required for cells maintained in nutrient-rich media. A related compound, kigamicin D, is active in vivo, suppressing the tumor growth of several pancreatic cancer cell lines in nude mice. It blocks the activation of Akt induced in PANC-1 cells placed in nutrient-deprived media. Kigamicin can also induce necrosis in human myeloma cells, but not normal lymphocytes, maintained in nutrient-rich media (CC50 = 100 nM).

Cefpodoxime sodium is a third generation cephalosporin antibiotic agent. It targets gram-positive and gram-negative bacteria, especially those responsible for otitis media and pharyngitis.