PPT-Lec . 7 Gram-negative cocci

Neissereae Medical Microbiology By Asst Prof Dr Shaimaa Al Salihy Neisseriae Neisseriae The most important species are Neisseria gonorrhoea gonococci Neisseria meningitidis. Gram positive cocci. Bile-Esculin. Enterococcus. identification. Esculin. .  . Esculitin. + Glucose. esculitin. + Fe  . Ferric. citrate (. dark. . brown. ). Selective. media. Bile . added. A. Introduction – There are multiple criteria by which you can classify an organism. 1. Metabolic Activities (Carbon, Energy & Oxygen sources). A) Recall that microbes may vary in their carbon & energy sources. Bacteria . One of our kingdoms. Bacteria. Bacteria are minute microscopic prokaryotes. They are unicellular organisms, which are usually identified by their specific activities, more than their general . Goals and Objectives:. Exercise 38: Cultural Characteristics . (Gelatin) . put on ice!!!. Exercise . 40: Hydrolytic and . Degradative. . Reactions. (Urea). Exercise 41: Multiple Test Media. (SIM). Physical differences & clinical . signifigance. . . Figure 4.8b. Gram- positive bacteria. Gram-negative bacteria. Figure 4.8a. Gram-Positive cell walls. Teichoic acids:. Lipoteichoic acid links to plasma membrane. The Microbiology Laboratory. . Summary. By: Sunny Chen . Topic Overview. Potential bacterial candidates for this infectious scenario. Possible samples taken. Possible tests performed. Expected results for the potential bacterial candidates. . objectives. * Study systemic bacteriology. * Describe Genus Streptococcus, its types, pathogenesis, and lab diagnosis. . When grown on sheep blood agar, streptococci display . one. of . three types . Bacteriology. Systemic Bacteriology. Objective : Pyogenic cocci. Pyogenic cocci : Pyogenic means “ pus forming”. Cocci means “spherical bacteria”. They include:. 1. Staphylococcus (Gram positive). 1. Demonstrate a basic understanding of commonly encountered organisms in the healthcare setting.. Discuss the importance of reviewing and interpreting Microbiology lab results.. Give examples of pathogenic vs. non-pathogenic bacteria.. 1 The slide is washed in water; excess water is removed using a blotting paper, dried in air and heat fixed before observing under microscope. Those bacteria that hold on to primary dye-iodine comple ve Cocci Flowchart This job aid is a component of the free, ondemand CDC training course “Biochemicals and Gram Positive Organism Identification.” Find the course at https://www.cdc.gov/la Professor Diane Hilker. Exp. 16: Identification of Unknown Microorganisms. Overview. TODAY:. Interpret Temp. Study (Exp. 7-Table1). Determine Optimum Temp.. Any contaminants in tubes?. Observe/Describe Colony Morphology Plate. Enterobacteriaceae. family . By:. Asst. Prof. Dr. Shaima’a Al-. Salihy. Learning objectives:. After this . lec. . You must be able to:. Describe microscopic morphology and cultural biochemical characteristics of each member in this family.. Gram Positive. Gram Negative. Gram-Positive bacteria. Gram-Negative bacteria. Cell Wall. A single-layered, smooth cell wall.  A double-layered, wavy cell-wall. Cell Wall thickness. The thickness of the cell wall is 20 to 80 .