MCB 4403L - MICROBIOLOGY LABORATORY FALL 2007 Syllabus
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1 MCB 4403L - MICROBIOLOGY LABORATORY FALL 2007 Syllabus Lab: Dates: Exercises: Week /27-08/28 Drop/Add, Syllabus, Grading and Attendance Policies Orientation: Laboratory Operation and Procedures and Laboratory Safety Rules 2 08/29-08/30 TOPICS: Handling Microorganisms Safely Ex. 1 = Principles of Aseptic Technique (p. 3) Ex. 2 = Aseptic Method for Entering Culture Tubes and Transferring Cells (p. 5) Ex. 12 = Sterilization Principles and Methods (p. 99) Week 2 09/03-09/04 NO LABS (Labor Day Holiday) 3 09/05-09/06 TOPICS: Introduction to Microscopy, Cell Morphology and Staining Microorganisms Ex. 3 = Principles and Care of the Light Microscope (p. 13) Ex. 4 = Introduction to Staining Microorganisms (p. 21) Ex. 5 = Smear Preparation, Fixation, and Simple Staining with Basic Dyes (p. 27) Ex. 6 = Observing Live Microorganisms: The Wet-Mount Method and the Phase-Contrast Microscope (p. 35) - Demonstration Ex. 13 = Preparing Culture Media (p. 107) Ex. 2 = Aseptic Method for Entering Culture Tubes and Transferring Cells (p. 5) Week /10-09/11 TOPICS: Differential Staining Ex. 7A = The Gram Stain: A Differential Stain Ex. 13 = Preparing Culture Media (p. 107) 5 09/12-09/13 TOPICS: Structural Staining and Motility Ex. 9A = Bacterial Endospores: Observing Endospores with a Phase-Contrast Microscope (Demo) Ex. 9B = Bacterial Endospores: Observing Endospores with Simple Stains and the Gram Stain Ex. 9C = Bacterial Endospores: Structural Staining of Endospores with Hot Malachite Green Ex. 10A= Bacterial Flagella Liefson s Flagella Stain (Demo) Ex. 10B= Bacterial Flagella and Motility: Observing Motility with the Phase Contrast Microscope (Demo) Ex. 10C= Observing the consequence of motility on plates and in soft-agar deeps Week /17-09/18 TOPICS: Culturing Bacteria and Determining Culture Purity Ex. 16 = Agar-Slant and Agar-Deep Cultures (p. 143) Ex. 17 = Broth Cultures (p. 151) (** 24 hr. observations) Ex. 10C= Observing the consequence of motility on plates and in soft-agar deeps ** Special Note: Ex. 17 and Ex. 35 require that some of the results be recorded after 24 hours. This means that all students will have to come to the incubator (CON 336) for a brief period of time on the day after they start each exercise (i.e. on a day they do not normally have lab) to take these observations. Additional information will be provided by the instructors during the regular lab periods.
2 7 09/19-09/20 TOPICS: Determining Culture Purity Ex. 15A= Determining Culture Purity: Testing the Purity of a Colony Ex. 16 = Agar-Slant and Agar-Deep Cultures (p. 143) Ex. 17 = Broth Cultures (p. 151) Week /24-09/25 TOPICS: Growth & Enumeration Ex. 20 = Counting Viable Cells: Serial Dilution and Spread Plates (p. 175) Ex. 7B = Gram stain of an unknown microorganism. Ex. 15A= Determining Culture Purity: Testing the Purity of a Colony 9 09/26-09/27 TOPICS: Selective Culturing and QUIZ #1 (Labs 1-6) Ex. 21 = Selective and Differential Media (p. 195) Ex. 22 = Enrichment Techniques Ex. 20 = Counting Viable Cells: Serial Dilution and Spread Plates Week /01-10/02 TOPICS: Environmental Effects on Growth and REPORT #1 Due (Ex. 7A and B) Ex. 23 = The Effects of Temperature on Growth (p. 213) Ex. 24 = The Effects of Elevated Sugar and Sodium Chloride Concentrations on Growth (p. 219) Ex. 25 = The Effects of Free-Oxygen Concentration on Growth: Agar-Deep Cultures (p. 225) Ex. 18 = Culturing Anaerobes: Thioglycolate Use and the Anaerobe Jar. Ex. 21 = Selective and Differential Media (p. 195) 11 10/03-10/04 TOPICS: Viruses and Molecular Biology Ex. 37 = Enumeration of Lytic Viruses: The Plaque Assay (p.315) Ex. 39A= Effects of Ultraviolet Light on DNA, Cell Viability, and Mutation Frequency (p. 333) Ex. 23 = The Effects of Temperature on Growth (p. 213) Ex. 24 = The Effects of Elevated Sugar and Sodium Chloride Concentrations on Growth (p.219) Ex. 25 = The Effects of Free-Oxygen Concentration on Growth: Agar-Deep Cultures Ex. 18 = Culturing Anaerobes: Thioglycolate Use and the Anaerobe Jar (p.159) Week /08-10/9 TOPICS: Nutrient Degradation and Transport Ex. 26 = Introduction to Extracellular Degradation (p. 235) Ex. 27 = Microbial Degradation of Polysaccharides Starch (p. 241) Ex. 28 = Microbial Degradation of Proteins Casein and Gelatin (p. 247) Ex. 29 = Microbial Degradation of Lipids (p. 257) Ex. 37 = Enumeration of Lytic Viruses: The Plaque Assay Ex. 39A= Effects of Ultraviolet Light on DNA, Cell Viability, and Mutation Frequency
3 13 10/10-10/11 TOPICS: Metabolic Products Ex. 30 = Differential Utilization of Citrate by the Enteric Bacteria Ex. 31 = Acid and Gas Production from Sugar Fermentation (p. 269) Ex. 32 = Acid and Neutral Products from Sugar Fermentation: The Methyl Red and Voges-Proskauer Tests Ex. 34 = Indole Production from the Amino Acid Tryptophan and Catabolite Repression (p. 291) Ex. 27 = Microbial Degradation of Polysaccharides Starch (p. 241) Ex. 28 = Microbial Degradation of Proteins Casein and Gelatin (p. 247) Ex. 29 = Microbial Degradation of Lipids (p. 257) Week /15-10/16 TOPICS: Metabolic Products & LAB REPORT # 2 Ex. 36 = Test for Cytochrome C (Oxidase) and Catalase Activities (p. 303) Ex.15B= Determining Culture Purity: Separating Cultures from an Unknown Mixture (p.131) Ex. 33 = Microbial H2S Production from Thiosulfate and Sulfur-Containing Amino Acids (p. 285) Ex. 35 = Products Formed in Milk: The Litmus Milk Test (p. 297) (**24 hr. observations) Ex. 28 = Microbial Degradation of Proteins Casein and Gelatin Ex. 30 = Differential Utilization of Citrate by the Enteric Bacteria Ex. 31 = Acid and Gas Production from Sugar Fermentation Ex. 32 = Acid and Neutral Products from Sugar Fermentation: The MR and VP Tests Ex. 34 = Indole Production from the Amino Acid Tryptophan and Catabolite Repression 15 10/17-10/18 TOPICS: Medical Microbiology and Immunology & QUIZ #2 (Labs 7-13) Ex. 8 = The Acid-Fast Stain: A Differential Stain (p. 59) SE #1 = Transmission of Microbes on Human Skin and Fomites Ex. 45 = Coagulase Production by Pathogenic Staphylococci (p. 413) Ex. 46 = Hemolysis of Red Blood Cells (p. 421) Ex.15B= Determining Culture Purity: Separating Cultures from an Unknown Mixture (p. 131) Ex. 33 = Microbial H2S Production from Thiosulfate and Sulfur-Containing Amino Acids Ex. 35 = Products Formed in Milk: The Litmus Milk Test (p. 297) Week /22-10/23 TOPICS: Medical Microbiology and Immunology Ex. 47 = Bacteria on Human Skin (p. 431) Ex. 48 = Bacteria in the Human Throat (p. 441) SE #2 = Bacteria in Human Urine SE #1 = Transmission of Microbes on Human Skin and Fomites - Supplemental Exercise Ex. 46 = Hemolysis of Red Blood Cells (p. 421) Ex. 35 = Products Formed in Milk: The Litmus Milk Test (p. 297) 17 10/24-10/25 TOPICS: Medical Microbiology and Immunology Ex. 43 = Evaluating the Effectiveness of Common Antiseptics and Disinfectants (p. 397) Ex. 44 = Antibiotic Evaluation by the Kirby-Bauer Method (p. 405) Ex. 47 = Bacteria on Human Skin (p. 431) Ex. 48 = Bacteria in the Human Throat (p. 441)
4 SE #2 = Bacteria in Human Urine Week /29-10/30 TOPICS: Environmental Microbiology Ex. 53 = Detecting Coliform Bacteria in Water (p. 479) Ex. 54 = Introduction to the Nitrogen Cycle (p. 487) Ex. 55 = Nitrogen Fixation -- Reduction of Dinitrogen to Ammonia by Prokaryotes (p. 493) Ex. 43 = Evaluating the Effectiveness of Common Antiseptics and Disinfectants (p. 397) Ex. 44 = Antibiotic Evaluation by the Kirby-Bauer Method (p. 405) Ex. 22 = Enrichment Techniques (p. 203) 19 10/31-11/01 TOPICS: Environmental Microbiology & QUIZ #3 (Labs 14 17) Ex.56 = Ammonification -- Microbial Deamination of Nitrogenous Organic Compounds (p. 499) Ex. 57 = Denitrification -- Complete Reduction of Nitrate and Nitrite to Dinitrogen (p. 507) SE #3 = Enumeration of Microorganisms in Soil Samples Ex. 53 = Detecting Coliform Bacteria in Water Ex. 51 = Solid Food Preservation: Sauerkraut Week /05-11/06 TOPICS: Environmental Microbiology & LAB REPORT #3 Ex. 53 = Detecting Coliform Bacteria in Water (p. 479) Ex. 56 = Ammonification -- Microbial Deamination of Nitrogenous Organic Compounds (p. 499) Ex. 57 = Denitrification -- Complete Reduction of Nitrate and Nitrite to Dinitrogen (p. 507) Ex. 22 = Enrichment Techniques (p. 203) SE #3 = Enumeration of Microorganisms in Soil Samples 21 11/07-11/08 TOPICS: Food Microbiology Ex. 50 = Milk Preservation: Yogurt (p. 455) Ex. 52 = Numbers of Bacteria on Solid Foods (p. 469) Week 12 11/12-11/13 NO LABS (Veterans Day Holiday) 22 11/14-11/15 TOPICS: Molecular Techniques and QUIZ # 4 (Labs 18 21) Ex. 50 = Milk Preservation: Yogurt (p. 455) Ex. 52 = Numbers of Bacteria on Solid Foods (p. 469) Week /19-11/20 TOPICS: Molecular Techniques and LAB REPORT #4 11/21-11/22 NO LABS (Thanksgiving Day Holiday)
5 Week /26-11/27 TOPICS: Molecular Techniques 25 11/28-11/29 TOPICS: Molecular Techniques SE #5 = Transformation of Bacteria with Plasmid pglo Week /03-12/04 TOPICS: Molecular Techniques SE #5 = Transformation of Bacteria with Plasmid pglo 27 12/05-12/06 FINAL EXAMINATION (LAB PRACTICUM EXAM) & QUIZ #5 (Labs 22-26) Completed lab manuals due at end of class period. Written report on identification of unknown due by 5 PM on 12/07/2007
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