Lab report on micrococcus luteus

Therefore the concentration of toothpaste depends on the depth from which the sample is taken. Plasmid-borne macrolide resistance in Micrococcus luteus.

Lab Report

Strain was obtained from the human oral cavity. Thus, when dealing with Micrococcus infections, it usually takes several cultures being grown and examined at about 35oC on blood agar before one realizes that Micrococcus is indeed the culprit.

The two species share similar colony morphology as well as a similar yellow colony color. Disinfect the table to prevent cross-contamination. This means that both toothpastes have an antibacterial effect and as a result the graph presents areas which are produced by the toothpaste alone.

Micrococcus species are sensitive to Bacitracin while staphylococci are resistant. This does not affect the performance of this medium. Do not boil media more than once, as frequent boiling may lead to toxic products forming in the medium.

Micrococcus and Stomatococcus spp. For instance, in the Micrococcus genus, the glycoprotein is effective M. Growth or turbidity should be confirmed by gram stain and subculture onto an appropriate growth medium. Pathogen Safety Data Sheets: The amount of water which was added to the toothpaste was not measured very precisely.

Inoculating the nutrient broth a. When the plate is then studied, one can notice that the area around the bacitracin disk placed in the M. Allow sufficient contact time before clean up Loosen screw caps slightly before heating, and tighten during cooling to room temperature.

Binomial name Micrococcus luteus Micrococcus luteus M. Lactoferrin exerts its antibacterial activities by binding to the lipomannan of the cell wall of the microbe. Hybridization studies show no close genetic relationship among the species of Micrococcus.

Enterococcus faecalis Enterococcus faecium Enterococci have a limited potential to cause disease as they lack defense systems against phagocytic cells.

If the cell does not contain peptidoglycan in their cell walls then the bacteria is gram negative and will turn purple. When the media has been boiled it appears clear. Gram-positive organisms cause septic shock without the involvement of endotoxin, and the incidence of sepsis by Gram-positive bacteria has increased [21].

In this study, we examined the cytokine-inducing activity of M.

The Effect of Antibacterial Toothpastes on Micrococcus Luteus Essay

Do not set the cap down! It is known to cause odors in humans because of its ability to break down sweat components. Tetrad formation of the Micrococcus bacteria that caused the lesions seen in the left-hand photo.

Four hours later, the mice received an intravenous injection of test specimen dissolved or homogeneously suspended in 0. N-Acetylmuramyl-l-alanyl-d-isoglutamine muramyl dipeptide, MDP primes mice to induce serum cytokines such as tumor necrosis factor TNF and interleukin-6 IL-6 upon subsequent elicitation with various bacterial agents such as lipopolysaccharides LPS [1112]lipoteichoic acid LTA [13]extracellular products of oral viridans group streptococci [14] and enzyme lysates of Actinomyces viscosus cell walls [15].

Several times the toothpaste came out unevenly and there was not the same volume of toothpaste in each sample. The carriage rates were highest on the skin of the head, legs, and arms compared to those for nares and axillae.

Product is light and temperature sensitive; protect from light, excessive heat, moisture, and freezing. A number of relevant species include Briefly, serum TNF activity was measured in terms of a cytotoxic effect on L cells incubated with actinomycin D.

Immerse the inoculating loop into the broth and then remove it. You can make it easier for us to review and, hopefully, publish your contribution by keeping a few points in mind.Production of bioactive peptides during soybean fermentation and their potential health benefits. Bundles Includes 4 Packs of 80 Wipes (Lemon & Lime Blossom) and 2 Cans of 19 oz Spray (Crisp Linen) Lysol Disinfecting Wipes and Sprays kill % of germs including cold and flu viruses, MRSA,, Strep, and Salmonella.

UNKNOWN LAB REPORT. Unknown Number Penny Pitman.

Identifying Micrococcus luteus Essay

General Microbiology BIO Spring INTRODUCTION It is essential in medicine to be able to identify different microorganisms for diagnosing the cause of various diseases, and determining the action for treatment. Kocuria varians infection associated with brain abscess: A case report.

Cheng-Yu Tsai 1, Shou-hsin Su 2, Vitek 2 lab reported organism is kocuria varians. Fellner T: Micrococcus luteus pneumonia: a case report and review of the literature. Med Pediatr Oncol.7: /mpo THE EFFECT OF SODIUM-CHLORIDE ON THE PHYSIOLOGY OF COTYLEDONS AND MOBILIZATION OF RESERVED FOOD IN CICER-ARIETINUM ABSTRACT: The effects of 0, 25,50 75 and meq.l-i sodium chloride on some physiological proceses of gram was studied in solution culture.

Klebsiella pneumoniae ferments lactose and produces pink colonies on dfaduke.comoccus luteus does not grow in the presence of bile salts and crystal violet.

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Lab report on micrococcus luteus
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