involved in food spoilage Microorganisms involved in food spoilage(Other than Canned Foods) with some examples of causative organisms Food Type of Spoilage Microorganisms involved Bread Mouldy Rhizopus nigricans Penicillium Aspergillus niger Ropy Bacillus subtilis Maple sap and syrup Ropy Enterobacter aerogenes Yeasty Saccharomyces Zygosaccharomyces Pink Micrococcus roseus Mouldy Aspergillus Penicillium Fresh fruits and vegetables Soft rot Rhizopus Erwinia Gray mold rot Botrytis Black mold
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Shigella Introduction: Shigella is a very infectious bacteria that causes Shigellosis. I. Morphology of Shigella • Gram-negative • Nonmotile bacillus II. 4 different species of Shigella • S. dysenteriae o Most severe type of shigellosis because it secretes Shiga Toxin Shiga toxin- stops protein synthesis in host’s cell. • S. flexneri o Is the predominate species in developing countries. • S. boydii • S. sonnei o Is the most common species isolated in industrialized nations.
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However‚ they can also produce antibiotics. Beneficial bacteria can do various tasks from producing yogurt to decomposing dead organic matter. Most bacteria are one in three shapes. The first one is coccus which is spherical. The next one is bacillus which is rod shaped. The last and third on is spirillum which is spiral. There are many parts to a cell. The capsule‚ only found in specific bacteria‚ is the outermost protective coating. The cell wall gives the cell its shape. It is made out
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PREVALENCE OF ESCHERICHIA COLI ON PHILIPPINE PESO BILL WITHIN THE VICINITY OF ILOILO CITY 2012-2013 A Research Paper Presented to The Faculty College of Medical Laboratory Science Department Central Philippine University Iloilo City In Partial Fulfillment of the Requirement for the Research 1 JUSTINE GRACE G. JIMENEA ISAAC JAMES T. LEDESMA MAJA HANNAH LOU L. LOJA ROBERTO R. MANALO JR. JIRAH L. PEDROSA MARCH 2013 CHAPTER 1 INTRODUCTION Background of the Study A classic
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Antibiotics are substances produced by microorganisms that kill or inhibit other microbes. They are used in the treatment of infectious disease. Antibiotics are produced in nature by molds such as Penicillium and bacteria such as Streptomyces and Bacillus. + Vaccines are substances derived from microorganisms and are used to immunize against disease. The microbes that are the cause of infectious disease are usually the ultimate source of vaccines. + Biotechnology Microbiology makes a significant
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(JOURNAL ARTICLE) By SITUMBEKO LIWELEYA (s213459531) Submitted in fulfilment of the requirements for the degree of BACHALOROUS TECHNOLOGIEA: BIOMEDICAL TECHNOLOGY At the At Nelson Mandela Metropolitan University Port Elizabeth‚ 2013. SUPERVISOR- PROFESSOR SMITH. N. Biotechnology Research International Journal Instruction Page Article Processing Charges Biotechnology Research International is an open access journal. Open access charges allow publishers to make the
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using DMSO (50% in water) as negative control by well diffusion method‚ against Bacillus subtilis‚ Staphylococcus aureus (gram positive)‚ Escherichia coli (gram negative) and Candida (yeast). Each well in the agar plate was seeded by (100 µL) from each tested compound or (50% DMSO). The plates were incubated at 37°C for 24 hours. the inhibition zone around each well in mm were measured‚ table 3. strain 3b 3d 3e Bacillus subtilis 2 4.3 3.3 Staphylococcus aureus - 3.67 3.67 Escherichia coli - - - Candida
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Russel Roberson‚ Franc¸ois Elvinger. 2001 “Use of eosin methylene blue agar to differentiate Escherichia coli from othergram-negative mastitis pathogens”. J Vet Diagn Invest 13:273–275 3. Hiroshi Fujikawa‚ 1994. “Diversity of the growth patterns of Bacillus subtilis colonies on agar plates”. FEMS Microbiology Ecology 13: 159-167 4. Anna Csillag‚ 1972. “Appearance of acid-fast rods in cultures of mycococcus luteus”. Tubercle and Lung Disease 53: 221-225 5. James A. Bastock‚ Michelle Webb and Jane A.
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correlation between the presence or absence of fimbriae and the toxigenic status of the organism. C. Difficile moves via peritrichous flagella. These flagella are evenly spread around the surface of each cell and which allows the bacillus to be highly motile. The bacillus are able to move by a tumbling motion and by movement in a forward direction. Nine toxigenic and six non-toxigenic strains of Clostridium Difficile‚ of varying virulence in a study of antibiotic-associated colitis‚ were examined
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T. Kolusheva‚ A. Marinova Journal of the University of Chemical Technology and Metallurgy‚ 42‚ 1‚ 2007‚ 93-96 A STUDY OF THE OPTIMAL CONDITIONS FOR STARCH HYDROLYSIS THROUGH THERMOSTABLE α - AMYLASE T. Kolusheva‚ A. Marinova University of Chemical Technology and Metallurgy 8 Kl. Ohridski‚ 1756 Sofia‚ Bulgaria E-mail: e-mail: manahova@abv.bg. Received 10 July 2006 Accepted 12 November 2006 ABSTRACT The present work determines the optimal conditions for starch hydrolysis by thermostable
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