PDF-of microbial cells for intracellular products

CHISTI and MURRAY MOOYOUNG of Chemical Engineering University of Waterloo Waterloo Ontario Canada N2L 3G I of microbial cells is a necessary first step for the production of intracellular enzy. 1. 19. Copyright © McGraw-Hill Global Education Holdings, LLC. Permission required for reproduction or display.. Introduction to . Microbial . Taxonomy. Taxonomy. science of biological classification. 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. Autophagy, Intracellular Accumulations, Pathologic Calcification and Cellular Aging. Dr. Al-Saghbini M. S.. MD. PhD. Pathology. Cyto. /Histopathology Consultant. Assistant Prof.. Autophagy. Is a process in which a cell eats its own contents. . Ignaz. . Semmelweis. and Joseph Lister developed the first microbial control methods.. Mid 1800s. Before aseptic surgical techniques ~10% of all deaths were due to nosocomial infections. Delivering mothers as high as 25% death rate. Updated: January 2015. By Jerald D. . H. endrix. Microbial Classification . and Taxonomy. Classification Systems. Levels of Classification. Definition of “Species”. Nomenclature. Useful Properties in Microbial Classification. Dr. Al-Saghbini M. S.. MD. PhD. Pathology. Cyto. /Histopathology Consultant. Assistant Prof.. Autophagy. Is a process in which a cell eats its own contents. . It is a survival mechanism, when the starved cell lives by cannibalizing itself and recycling the digested contents. . ®. Cytokines are rapidly secreted upon expression which results in. low / not detectable intracellular concentrations.. The use of secretion inhibitors allows for intracellular accumulation of cytokines:. Musafer. PhD. Microbial growth defined as an increase in cellular constituents resulting an increase in a microorganism size, population number or both.. 1-Lag phase. When M.O are inoculated into fresh culture medium, will not reproduce immediately, therefore this period is called the lag phase. . Growth: . A. n . increase in cell number, not in cell size. .. Bacteria . grow and divide by binary fission, a rapid and relatively simple process. .. Phases . of Growth Bacterial Growth Curve : . When . 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. Microbiology. Outline. Microbial growth . in . natural environments. . Measurement . of . microbial population size. Principles of . microbial control. . Physical, chemical and biological control.