PPT-Chapter 6 Pathogenic Microorganisms

Learning Objectives Explain Characteristics of bacteria Major groups of pathogenic bacteria Describe Inhibition of microbial growth by antibiotics Adverse effects of antibiotics Antibiotic sensitivity testing and interpretation of results. Mrs. McNutt. And . Mrs. Brown. Essential Questions. What kind of harmful and beneficial microorganisms are found in our daily lives?. How are microorganisms harmful and beneficial?. How can microorganisms be controlled?. Prof. . Mohammad . Shubair. Microorganisms get into food from both natural sources and from external sources to which a food comes into contact from the time of production until the time of consumption.. . Transfer of pathogenic bacte- Streptococcus Strep agStrep ag Staphylococcus aureus slowly (fewer organisms occur in milk), it can live longerquarter). Although difficult to treat in the past, there Role of Antiseptics and Disinfectants. Used to reduce microbial growth and contamination from exogenous sources and reduce the risk of infection. Usually chemical solutions that are topically applied to surfaces such as skin, mucous membranes, or inanimate objects. Chapter 6 Micro-organisms and Their Control Pathogenic Bacteria Gram Positive Cocci Staphylococcus aureus Superficial infections of the skin such as boils, abscesses and impetigo; Can cause serious infections such as osteomyelitis, septicemia, endocarditis, and pneumonia Microorganism or Microbe. 1. Small . living. organism. 2. Not . visible. to the . naked. eye. 3. Must be viewed under a . microscope. 4. Found . everywhere. in the environment, including on and in the . It happens every year sometimes two or three times It happens to almost everyone in every city state town and country around the world When was the last time it happened to you What Oh 15. Pg. . 387. Small, living organisms that are not visible to the naked eye. Found everywhere! Including ON and IN the human body. They are part of the normal flora of the body. Flora=plant life adapted for living in specific environment. Learning Goals:. Understand principles of infection control are essential to all healthcare workers. Provide a basic knowledge of how disease is transmitted. Main emphasis on prevention of disease. Understanding the Principles of Infection Control. Streptomyces, Bacillus, Pseudomonas, Paenibacillus, Micromonospora, Dutch biologist Anton van Leeuwenhoek in 1674 - ground microscopic lenses at a drop of water and discovered a world of millions of tiny “animalcules.. In 1840, the German pathologist Friedrich . Henle. Foliar application of various chemicals leads to alterations in the rhizosphere micro flora by changing the pattern of root exudates. . The pattern of the rhizosphere microflora i.e. numbers and species composition can be changed by various factors, such as:. Kavisha K Patidar . Assistant Professor. Department of . Microbiology. Deogiri College, Aurangabad. Department of microbiology . Paper VIII. Immunology. Semester- III. Unit- 1. Topic -Normal Flora. Teacher –. WILF:. Understand about types of microorganism. Identify helpful and harmful microorganisms. Investigate growth conditions for fungi. What Are Microorganisms?. Note down in your book:. Microorganisms are very tiny living things. They are so small that you need a microscope see them..