enzymes are also widespread in bacteria. The most well-known representative is CotA from Bacillus subtilis‚ an endospore coat protein with high thermostability (Hullo et al.‚ 2001). Other laccases have been found in Pseudomonas maltophila (Isono and Hoshino‚ 1989)‚ P.syringae (copA) (Cha and Chooksey‚ 1991)‚ Azospirillum lipoferum (Givaudan et al.‚ 1993)‚ Xanthomonas campesteris (Lee et al.‚ 1994)‚ Bacillus sp. (mnx G) (Van Waasbergen et al.‚ 1996)‚ B.sphaericus (Claus and Filip‚ 1997)‚ P.fluorescences
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ABSTRACT Antibacterial activity of medicnal plants has turned out to be a global concern. Medicnal plants are very useful in treating various diseases. Antibiotics are an important class of pharmacological agents used for treating antibacterial infections. Although antibiotics were first isolated from fungi and bacteria but over the years more and more synthetic antibiotics has been synthesized‚ which are in great demand. This present study has been done to determine the antibacterial activity of
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Corynebaterium diphtheria; this agent is classified as Actinobacteria. The bacteria’s scientific name is Corynebacterium diphtheriae‚ Corynebacterium is the genus and diphtheriae is the species. The minor bacteria are non-sporulated‚ gram-positive‚ bacillus “with enlarged extremities” (Cohen & Powderly‚ 2010). With a range 0.5 to 1 µm units in diameter‚ the single strain of cells vary in size. Corynebacterium diphtheriae has fimbriae; this allows the bacteria to cling on to the hos-cell receptors.
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long period of time. Social contacts are also screened and treated if necessary. Antibiotic resistance is a growing problem in multiple drug-resistant tuberculosis (MDR-TB) infections. Prevention relies on screening programs and vaccination with the bacillus Calmette–Guérin vaccine. One third of the world’s population is thought to have been infected with M. tuberculosis‚[3] with new infections occurring in about 1% of the population each year.[4] In 2007‚ there were an estimated 13.7 million chronic
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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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