PPT-Genus Streptococcus Gram positive, Catalase negative cocci

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 . Dr. Nariman Sindi. 1. classification. The classification of streptococci is based on:. Hemolysis:. Alpha-. hemolytic. streptococci (. α. -. hemolytic. ):. Incomplete lysis (partial hemolysis) of red blood cells (RBCs) in the agar resulting in the formation of a greenish zone around their colonies.. 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. 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 . Internal Structures:. cytoplasm. nucleoid. ribosomes. Boundaries:. cell membrane. cell wall. capsule. Appendages:. flagellum. pili. Shapes of Bacteria. Bacteria Identification Criteria. Shapes. & Resilience. Homework. Review pp. 8-23 in your textbook and answer . 1.1 even questions. 1.2, questions 1, 3, 5. Define: . unicellular. & . multicellular. prokaryotic. & . eukaryotic . Staphylococci. Dr. Oruba. Khalid abbas . . . Systemic Bacteriology. Objective : Pyogenic cocci. Pyogenic cocci : Pyogenic means “ pus forming”. Cocci means “spherical bacteria”. They include:. 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.. cocci. . Practical . No. 9. GENERAL CHARACTERISTIC:. * . G+ve cocci . , arrange in chains or pairs.. * Some strains are capsulated. * Majority are facultative anaerobic, few are obligatory anaerobic.. Dairy Foods Science Notes (D raft 06 - 10) The Microscopic Examination of Milk Characterization of Milk Bacteria and Cells The microscope has been used to observe and count bacteria and somatic cells 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 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>. 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 .