Micrococcus aureus

Clark, J.B. (1953) The mutagenic action of various chemicals on Micrococcus aureus. Proc. Oklahoma Acad. Sci., 34, 114-118... 

The combined synergistic effects of cyclo(Leu-Pro) and cyclo(Phe-Pro) were effective against five vancomycin-resistant enterococci (VRE) strains Enterococcus faecium (K-99-38), E. faecalis (K-99-17), E. faecalis (K-99-258), E. faecium (K-01-312), and E. faecalis (K-01-511) with MIC values of 0.25—1 mgl . It also showed activity against E. coli, Staphylococcus aureus. Micrococcus luteus, Candida albicans, and Cryptococcus neoformans with MIC values of 0.25—0.5 mg 1. This combination also showed mutagenic activity against Salmonella typhimurium TA98 and TAIOO strains in a Salmonella mutation assay. ... 

Escherichia coli Micrococcus luteus Pseudomonas aeruginosa Serratia marcescens Staphylococcus aureus Streptococcus spp. Xenorhabdus nematophilus Plasmodium fakiparium... 

MSSA means methicillin-sensitive Staphylococcus aureus. M. and E. mean Micrococcus and Escherichia, respectively. A positive control used was amoxicillin (AMOX). ND, not determined. 

Gram-positive cocci. Leuconostoc, Micrococcus, Peptococcus, Staphylococcus (S. aureus, boils, infections), Streptococcus (S. pyogenes, scarlet fever, throat infections, S. pneumoniae, pneumonia)... 

Figure 8-29 (A) Repeating unit of structure of a bacterial peptidoglycan (murein). Some connecting bridges are pentaglycine (Staphylococcus aureus), trialanylthreonine (Micrococcus roseum), and polyserine (S. epidermis).

Celenamide E (108), a tripeptide alkaloid from the Patagonian sponge Cliona chilensis, shows antibiotic activity against Bacillus subtilis, Staphylococcus aureus, Micrococcus luteus, and Enterococcus faecalis at 50 pg/disk. An unusual feature is the presence of a N-terminal dehydroamino acid [87]. 

Initially, the use of urea, dilute alkali, or anionic detergent was suggested415 for solubilization of the enzyme from S. aureus membrane. Nonionic detergents were effective for this purpose with the enzyme from the same micro-organism and from Micrococcus luteus.416,417 Repeated freezing and thawing of a membrane preparation was used in the case of Escherichia co/i.418... 

The chief culprits in generating armpit odours are the bacteria Corynebacterium xerosis and Micrococcus luteus, with Staphylococcus epidermis and Staphylococcus aureus playing minor roles. There can be as many as ten million bacteria cells per square centimetre of armpit skin compared to only 1,000 on the skin of the forearm, and this is as true for women s armpits as for men s, and yet the odour women give off is different because it lacks some of the ingredients that male sweat contains. Male underarm odour has three components an acrid one, a musky one, and a pungent one. The first of these comes from short-to-medium chain acids, the second from steroid type molecules, and especially androstenone, and the third from sulfur-containing molecules. 

Interaction of WGA with a soluble, linear peptidoglycan secreted by Micrococcus luteus, and with the teichoic acid of Staphyloccus aureus H, was demonstrated by agaT-gel diffusion, quantitative precipitation, and inhibition of trypsinized rabbit-erythrocyte hemagglutination.500 No interaction was observed with the teichoic acid from a phage-resistant mutant (S. aureus 52A2) that lacked 2-acetamido-2-deoxy-D-glucose residues. 

A1 Dabbas et al. [163] reported the antibacterial activity of the ethyl acetate extract of the whole aerial part of Varthemia iphinoides L. The bioassay-guided fractionation led to the isolation and identification of an antibacterial eudesmane sesquiterpene, selina-4,ll(13)-dien-3-on-12 oic acid. Fig. (10). This compound exhibited potent antimicrobial activity against 6 bacterial species Staphylococcus aureus, Bacillus subtilis. Micrococcus luteus, Escherichia coli. Bacillus cereus and Salmonella enter Hides ). The MIC values of this sesquiterpene, which was determined by the agar dilution method, ranged between 250 and 500 ig/ml. 

Mandal et al. (68) have reported on the antimicrobial activity of the leaf extract of K suaveolens. The steam-distilled oil, petroleum ether and ethanol extracts exhibited broad-spectmm antibacterial and antifungal activity against Bacillus subtilis. Staphylococcus aureus, Escherichia coli. Pseudomonas aeruginosa and Micrococcus luteus., and the fungi Fusarium oxysporum. 

Rynchosia minima DC. Very small yield of oil (0.1%) has been obtained from R. minima, p-caiyophyllene (30%), germacrene B (18%) are the major componentsfZV). The oil exhibited significant inhibition against Bacillus cereus, Staphylococcus aureus and Micrococcus luteus. The plant is used for the treatment of afterbirth pains, headaches and colds (48) in Kenya. 

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