Pathogenesis is a multi-factorial process which. depends on the ... through the skin by a tick bite. Certain degradative exotoxins secreted by some bacteria ...
SOMETIMES INTERNAL HEMORRHAGE AND ABORTION. ENZYMES (INVASINS) HYALURONIDASE. COAGULASE. KINASES. HEMOLYSINS. LEUCOCIDINS. ABILITY TO BE TRANSMITTED. DIRECT CONTACT ...
FOOD POISONING (c) PDST Home Economics FOOD POISONING Food poisoning is caused by eating food containing harmful substances. There are 3 types of food poisoning ...
Mechanism of Pathogenicity Pathogens & Disease Pathogens are defined as microbes capable of causing host damage. When host damage reaches a certain threshold, it can ...
Title: The Acute Phase Response Author: Joe Schmoe Last modified by: garwinS Created Date: 8/15/1999 1:46:00 PM Document presentation format: On-screen Show
Chapter 14 Add-on How Bacterial Cells Damage Host Cells Three mechanisms: Direct Damage Toxins* Hypersensitivity Reactions * Most bacterial damage is carried out by ...
III. Infection and Disease A. Definitions B. The Normal Flora of Humans C. Generalized Stages of Infection D. Virulence Factors and Toxins III. A. Definitions Disease ...
Traditional 5 Kingdom System Kingdom Monera All prokaryotes Based on structural difference b/w proK and euK By comparing RNA w/ sequence ... taxis Transformation: ...
... contribution of toxin to pathogenesis fitness is not clear (e.g. staphylococcal ... Increased cAMP, secretion. Direct cell damage/lysis. Biological effect. DNA ...
... changing to dysentery Leading cause of infant diarrhea and mortality ... Watery diarrhea attributed to the enterotoxic activity of Shiga in the small intestine.
Pathogenicity & Infection. Pathogenicity is the ability of a microbe to gain entry to the host s tissue and bring about a physiological or anatomical change ...
GENERAL PATHOLOGY OF INFECTIOUS DISEASES * * * * * * Infectious Diseases Are disorders in which tissue damage or dysfunction is produced by a micro-organism ...
Microbial Mechanisms of Pathogenicity Prof. Khaled H. Abu-Elteen Infection and Disease A. Definitions B. Generalized Stages of Infection C. Virulence Factors and ...
Pathogenesis of bacteria Original and development of Bacterial Infection Infection the invasion of a host organism's bodily tissues by disease-causing organisms ...
Microbial Mechanisms of Pathogenicity Chapter 15 Pathogenicity - ability to cause disease Virulence - degree of pathogenicity Many properties that determine a microbe ...
Title: Pathogenic Mechanisms Author: Hugh B.Fackrell Last modified by: Hugh B. Fackrell Created Date: 10/24/1997 1:00:58 AM Document presentation format
Gram negative rods and cocci Endotoxin: Lipid A, the superantigen Part of LPS of the Gram negative outer membrane Causes an over-stimulation of macrophages with ...
direct damage in the immediate vicinity. grow & multiply ... scarlet fever/scarlatina. lysogenized bacteriophage codes for toxin. mechanisms of pathogenicity ...
2. sources: food, water, air, body fluids, insects, animals, fomites (things) ... surface or tract bathed with moving fluid, microbes must stick or be washed away ...
Title: Biology of Cancer Author: Ruth Pettengell Last modified by: tscott Created Date: 8/21/2006 7:47:35 PM Document presentation format: On-screen Show
Identifying and Classifying Bacteria What is a prokaryote? Cells that lack a true nucleus. Cells that lack membrane-bound organelles. Most surrounded by a cell wall.
Cause lysis of RBC's. Partial or complete. Gas gangrene. III. Evading the Host Defenses ... Cell lysis by insertion of protein channels. Ex: Clostridium perfringens ...
Title: Pathogenesis of Bacterial Infections: Host, Parasite, Environmental Interactions Author: Prof A G Duse Last modified by: mavimbelad Created Date
Vaccines H.Sidra Yasin (BIOT 412) Genetic Immunization Delivery of a gene for the antigen to a host organism Use vector containing cDNA from viral protein/ eukaryotic ...
Welcome to MICROnesia 4 Bug Case Studies Life of a Blood Culture Slide Show Questions welcomed! Case #1 UTI BUG Ambulatory 26 year old female with 101 ...
Dog and Raccoon ascaris, a helminth EID. Eggs may cause inflammation ... Pathogenic Helminths: Cutaneous Larva migrans. Raccoon form prefers the brain. ...
Chapter 5 Pathogenicity of B and Immunity against Bacterial Infections(Infection and Immunity) 1. Normal Flora and opportunistic B (fig) .Normal flora : 1 ...
... B toxins Toxins consist of two parts A subunit Toxic or active part B subunit Binding part Binds to specific host cell receptors Structure offers novel approaches ...
Acute glomerulonephritis : ... Only 22% of the children have detectable antibodies to sporozoites. In adults 84% have such antibodies. In general, the ...
... this normal flora inhibits the overgrowth of Candida albicans, yeast ... excessive growth of Candida albicans is often a result in immunocompormised hosts ...
Title: Life: The Science of Biology, 8e Last modified by: Angelika Stollewerk Created Date: 10/16/2000 7:08:56 PM Document presentation format: On-screen Show (4:3)
Produce endotoxins (toxins made of carbohydrates and lipids and produced by Gram-negative bacteria; ... Cocci Bacilli Sprilla Sphere shaped bacteria Antibiotics: ...