PPT-Advanced Microbial Ecology

Code no 618B PreMSc Students Lecture no 5 1532020 D r Mahmoud Nour ElDein Types of Microorganisms in Soil Living organisms both plants and animals constitute an important component of soil . A. Metabolism. 1. Anabolism. A) synthesis reactions (building up). 2. Catabolism. A) lysis reactions (breaking down). B. Enzymes. 1. proteins that facilitate chemical reactions. Microbial Metabolism. Microbial food spoilage occurs as a consequence of either microbial growth in a food or release of extracellular and intracellular(following cell . lysis. ) . enzymes in the food environment.. Signs of spoilage of different types of food:. D. ynamics on Fermentation . P. rogression. RAVE 2015. Linda F. Bisson. Department of Viticulture and Enology. University of California, Davis. Causes of Fermentation Arrest. Nutrient limitation. Nutrient imbalance. THE ORIGIN AND EVOLUTION OF MICROBIAL LIFE. HOW DID LIFE ORIGINATE?. SPONTANEOUS GENERATION. LIFE ARISING FROM NON-LIVING MATTER. LONG BELIEVED AS THE ACCEPTED EXPLANATION OF ORIGINATION OF LIFE. EXPERIMENTS EVENTUALLY SHOWED IT TO BE IMPOSSIBLE. . Definitions. Indigenous . flora. microorganisms . native or belonging naturally to a region.. Colonization. establishment . of a site of reproduction of microbes on a person without necessarily resulting in tissue invasion or . Blair Bean. Grade 9. Pittsburgh Central Catholic . Highschool. Variety of organisms that live in and on the body. Skin. Gastrointestinal tracts. Nose. Pharynx. Mouth. Conjunctiva. Provide moisture, nourishment, and a stable pH for body to properly function. Microbiology. Microbial Growth. Microbial requirements for growth:. 1. . Physical. A. . Temperature. Optimal growth temperature. Permissible range. human pathogens optimal = . 37°C. Microbial Growth. Elizabeth Golden. EBIO 4100, Winter Ecology, Spring 2013. Mountain Research Station, University of Colorado, Boulder. Introduction. Snow pack. Provides insulation . (Halfpenny and . Ozanne. 1989). . Loren Hauser. Miriam Land. Yun-Juan Chang. Frank Larimer. Doug Hyatt. Cynthia Jeffries. NEB Educational Support. 2. http://www.neb.com/nebecomm/course_support.asp?. Why study Computational Biology. . Oded Beja. •Introduction. •Syllabus presentation. •What is microbial diversity?. A two-credit course with one hour of lecture and one hour of discussion each week.. The course focuses on the microbial diversity of different environments. . 1. Microbial survival strategies. 2. Microbial growth. 3. Effects of the environment. 4. Microbial cultures. 5. Growth measurements. 6. Antimicrobial agents. 7. Antibiotics. 1. . Microbial. . survival. biotechnology.important. branch of Microbiology where economically valuable products are produced from cheaper raw materials by using large culture of . m.o.. Up stream and Downstream process.. Screening-Definition.. 9. Figure 9.1 A plot of microbial death rate.. Constant percentage. of the extant population. is killed each minute. Basic Principles of Microbial Control. Action of Antimicrobial Agents. Alteration of cell walls and membranes. Bacteria, fungi, . actinomycetes. , cultures of plant and animal cells are used for enzyme production in industries.. microbial . enzyme production in . industries have more advantages than normal enzyme preparation. They are.