Bacillus cereus

beef stew, Garden fresh salad with a citrus vinaigrette, and the Rustic multigrain bun with sweet butter. Since a doctor was not notified I has been assumed that with the symptoms reported the Mr. Smith and his two other guest had experienced Bacillus Cereus also known as food poisoning. Multiply reason have been found for why this might had happen. The two main reason that where found was one of our cooks Marie, may have forgot to heat food to a safe temperature outside of the danger zone. In…

with high pressure saturated steam. The first things to go into the bottles was the medium and three bacterial species that the Colpidium and Paramecium have as there food resource. The three bacterial species include Serratia marcescens, Bacillus cereus and Bacillus subtilis. After twenty four hours the bacterivores were added into the microcosms, then a week after the Didinium predators were added. The experiments were run with two main factors the temperatures and having a presence or…

aeruginosa, Morganella morganii, Aeromonas hydrophila, Enterococcus species, Serratia marcescens, Proteus mirabilis, Shewanella putrefaciens, Enterobacter aerogenes, Salmonella typhi, Citrobacter freundii, Klebsiella pneumoniae, Bacillus subtilis, Bacillus megaterium, Bacillus cereus etc and anaerobes includes Clostridium perfringens, Streptococcus species, Bacteroides species(). R.S. Baylock 2001 studied bacterial…

Nerín from Spain in 2005, they conducted the antimicrobial activity of clove on several gram negative bacterium E. Coli, Yersinia enterocolitica,Salmonella choleraesuis, Pseudomonas aeruginosa, and several gram positive bacterium, S.aureus, Bacillus cereus, Entero faecalis, and Listeria monocytogenes. The clove essential oil was supplied by ARTIBAL. The compounds in clove essential oil was identified using the database of gas chromatography ion trap mass spectrometer (GC-IT-MS). The…

The most common bacterial infections that are gram positive are staphylococci which produce enzymes such as catalase which break down hydrogen peroxide bonds, bacillus cereus - food poisoning, bacillus anthracis - anthrax and clostridium tetani - tetanus. Penicillin is an antibiotic that prevents gram positive bacteria from forming peptidoglycan. Peptidoglycan plays a key role in the cell wall. If peptidoglycan was not present, then the bacterium would swell and burst due to the high internal…

Aromatic plants bear essential oils which are fragrant and so are named ‘Aromatic’. These plants retain their fragrant components in specialised cells and tissues of organs even after drying. Oil may be present in external glands as epidermal cells or their modification such as ‘Secretory Hair’ or may be present internally throughout the plant forming Schizogenous formation which on dissolution of surrounding cells forms Schizolysogenous gland which further grow into long canals. Secretion such…

understand the subject. Pectinase, also known as pectic enzyme, is composed of chemicals such as polygalacturonase (C43H67N15O12S2), pectolyase, and pectozyme (Rodrigues, 2016). It is an enzyme produced by a variety of organisms, such as the Bacillus cereus bacterium and the Aspergillus niger fungus, to deconstruct plant cell walls; more specifically, pectinase chemically binds in lock-and-key fashion to pectin. Pectin (C6H10O7) is a polysaccharide found in these cell walls to hold it…

Thu Phan Khanh Nguyen Dr. Jennifer Bess MCB - 2000L - 87248 11 April 2024 Unknown Lab Report: Unknown #20 Unknown Number: #20 Bacteria identified as Enterococcus casseliflavus. Introduction: Many bacteria have existed for hundreds of millions of years that we have not yet discovered. Those bacteria can survive under the thawing layers of ice, so when it melts, they are awakened and become strongly active. These bacteria are consumed by plants and animals, whom we also consume as our daily…

Deinococcus radiodurans was discovered in 1956 by scientists accidently, after a can of corned beef had been treated with radiation in order to kill any harmful microorganisms that might have been present in the canned meat. Since its accidental discovery, D. radiodurans has been intriguing scientists with is astonishing resistance to ionizing radiation, UV radiation, electrophilic mutagens, oxidizing agents, and desiccation. This gram-positive bacteria usually forms in spherical pairs or…

Lab Five: Microscope and Simple Staining Introduction A microscope is a tool to examine enlarges image of small objects that are hard to study with the naked eyes. The light microscope, which was used in this lab experiment, is an instrument with two lenses and various knobs to focus the image. We will learn about the proper way to use and handle the microscope. Microorganisms are measured with an ocular micrometer, which is inserted into one of the microscope eyepiece. Micrometer serves as a…