PPT-Gram-Positive Cocci

Streptococci By Lec Dr Thanaa Rasheed Abdulrahman 6 th lect bacteriology Streptococci of medical importance are listed in Table 1 Species Lancefield Group Typical Hemolysis. STREPTOCOCCUS 15.1INTRODUCTIONStreptococci Streptococci are Gram-positive cocci arranged in chains or pairs. They are part ofStreptococcus pyogenes causing pyogenic After reading this lesson, you will 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 . 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. Winter 2012. Ubiquity. What organisms grow best at room temperature? ___°C? . At body temperature? = ___°C?. What kind of medium is TSA? . Appearance of growth on plates. Bacteria . vs. fungi (molds)?. Differentiate bacteria into two large groups (the Gram Positive and the Gram negative).. Gram status is important in medicine; the presence or absence of a cell wall will change the bacterium's susceptibility to some antibiotics. Gram-Positive Bacilli Bacteria Dr. Alan N. Talabani Lecturer at College of Medicine/University of Sulaimani Gram-Positive Bacteria I- Gram Positive bacteria A- Gram positive cocci B- Gram positive rods Assistant Professor Dr. . Naza. . M. Ali. . Lec. 3. 24 Oct 2019. Cell wall. The cell wall is a rigid outer layer, it completely . surrounds the . cytoplasmic membrane, maintaining the shape of the cell . Assistant Professor Dr. . Naza. . M. Ali. . Lec. 3. 24 Oct 2019. Cell wall. The cell wall is a rigid outer layer, it completely . surrounds the . cytoplasmic membrane, maintaining the shape of the cell . Department Nursing, Second stage. Lab/6 . Practical Microbiology I . م.م. محمد عبدالرسول دبي. A/Gram + cocci (. Staphylococci and Streptococci. )..  . 1. .. Staphylococci. :. I- General features:. 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 Streptococci. 1. Asst. Prof.. Shaima’a. Al-. Salihy. Learning objectives:. After this lab. You must be able to:. Describe streptococci under microscope.. Classify streptococcus spp. according to hemolysis pattern>. Neissereae. Medical Microbiology. By:. Asst. Prof. Dr. . Shaima’a. Al-. Salihy. . Neisseriae. Neisseriae. :. The most important species are:. Neisseria . gonorrhoea. (gonococci). Neisseria . meningitidis.