Isolation of Bacteria in our Physical Environment Introduction: The purpose of the lab is to apply what has been learned so far in Microbiology‚ and use it to collect and examine microbial species from the physical environment. The physical environment around the lab will be utilized to find out the variety of different microbial species growing in and around the lab. This investigation will help in preparation for the individual projects that will be done at the end of the semester. Materials
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Term | Definition | Systematic Biology / Systematics | * Study of the biodiversity * Quatitative science that uses the characteristics of living and fossil organisms(traits) to infer relationships between organisms over time | Taxonomy | * Branch of systematic biology * Process of identifying‚ naming and organising biodiversity into related categories | Taxon | General name for a group containing an organisms or groups of organisms that exhibit a set of shared traits | Classification
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Tryptic Soy broth medium was randomly selected from a group of other unknowns. In order to identify this unknown the seven different types of biochemical tests will be conducted on this unknown bacterium to identify it out of 6 possible bacteria; Escherichia coli(E. coli)‚ Enterobacter aerogenes (E.aerogenes)‚ Klebsiella pneumoniae (K.pneumoniae)‚ Proteus mirabilis(P.miranilis)‚ Pseudomonas aeruginosa(P.aeruginosa)‚ and Salmonella typhimurium (S.typhimurium). The biochemical tests utilized were; Triple
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EXAM-1 STUDY GUIDE DUE ON FEBRUARY 28TH PLEASE SUBMIT IN THE DROP BOX IN MICROSOFT WORD. CHAPTER-1 The Microbial World and You List several ways in which microbes affect our lives. Help maintain the balance of living organisms and chemicals in our environment. Marine and fresh water microorganisms form the bases of the food chain in oceans‚ lakes‚ and ricers. Soil microbes help break down wastes and incorporate nitrogen gas from the air into organic compounds‚ thereby recycling chemical
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The questionnaires respondents were 28% male and 72% were female‚ 48% of them had primary school education while 42% were illiterates. The most prevalent isolated bacteria from cooked meals‚ bottled drink and fresh juice were; Escherichia coli‚ Staphylococcus auerus and Bacillus sp. The viable bacterial counts were 4.6 CFU/ml‚ 3.7 CFU/ml and 4.1 CFU/ml for cooked meals‚ bottled drink and juice‚ respectively. Key words: Street‚ food‚ vendors. INTRODUCTION The term "street food" refers to a wide variety
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including Cladosporium sp.‚ Aspergillus flavus‚ Aspergillus sp.‚ Curvularia lunata as well as three unknown species. The fungal extracts were assessed for antibacterial activity against three standard pathogenic bacterial strains: Bacillus subtilis‚ Staphylococcus aureus and Escherichia coli. Most of the extracts showed in vitro inhibition of bacterial growth. The phytochemical screening revealed the existence of a diverse group of secondary metabolites in the crude extracts of the endophytic fungi that resemble
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mediates resistance to cationic antimicrobial peptidesin Yersinia. MolMicrobiol37:67–80. Boman‚ H. G. (2003). Antibacterial peptides: basic facts and emerging concepts. J. Intern. Med. 254:197–215 Blystone S Cao‚ M.and Helmann‚ J. D. (2004). The Bacillus subtilisextracytoplasmic-function sigmaX factor regulatesmodification of the cell envelope and resistance tocationic antimicrobialpeptides. J. Bacteriol. 186‚ 1136–1146. Celli‚ J.‚ and Finlay‚ B.B. (2002).Bacterial avoidance of phagocytosis.Trends
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acid glutamicum MSG Corynebacterium gluatamicum Vitamins Ashbya gossypii Raboflavin Eremothecium ashbyi Riboflavin Pseudomonas denitrificans Vitamin B12 Propionibacterium Vitamin B12 shermanii Bacillus brevis Bacillus subtilis Bacillus polymyxa Rhizos nigricans Arthrobacter simplex Mycobacterium Escherichia coli (via recombinant DNA technology) Polysaccharides Dextran Xanthan gum Leuconostoc mesenterioes Xanthomonas campestris Pharmaceuticals Penicillum chrysogenum Cephalosporium acremonium
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fungi‚ algae‚ and Bacteria iii. Chlamydomonas iv. Spirogyra v. Penicillum mycelium condidiophores vi. Cladophora vii. Volvox viii. Paramecium caudatum ix. Escherichia coli x. Bacillus subtilis xi. Staphylococcus aureus xii. Aspergillus condidiophores xiii. Amoeba Proteus
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(NICE‚ 2012). The cost incurred by the NHS as a result of HAIs is approximately 1 billion each year (NICE‚ 2012). Acinetobacter species‚ Anaerobic Gram negative bacillus‚ Candida albicans‚ Clostridium difficile (C.difficile)‚ Coagulase negative staphylococci‚ Comamonas acidovorans‚ Enterobacter species‚ Enterococcus species‚ Escherichia coli (E.coli)‚ Extended Spectrum beta-lactamase producing Gram-negative organisms‚ Glycopeptide resistant enterococci‚ Group A Streptococcus (Streptococcus pyogenes)
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