PPT-Pasteurella SPECIES -gram negative,

Nonmotile facultative anaerobic coccobacilli or rods Causes chicken cholera and hemorrhagic septicaemia in different animals and birds Most species are oxidase positive catalase. 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. and . Function. Bacterial . Form . and Function. A. . Structures common to . all. bacterial cells. 1. . Cell membrane. 2. . Cytoplasm. 3. . Ribosomes. 4. . One (or a few) . chromosomes. Bacterial Form . 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. We can characterize prokaryotes by structure. Morphology of Prokaryotic Cells. Most diverse group of cellular microbes. Thrive in various habitats. Only a few . are capable . of colonizing humans and causing disease. 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 Acinetobacter calcoaceticus A. lwoffiand A. anitratusmostly occur as short coccobacilli in cultures. They resemble diplococci and may sometimes be mistaken for Neisseria(Gram stain). Actinobacillus ac 11. General Characteristics of Prokaryotic Organisms. Prokaryotes. Most numerous and diverse group of cellular microbes. Thrive in various habitats. Only a few are capable of colonizing humans and causing disease. . Mohammed. MBChB. . FIBMS . Patholoy. /. mico-immunopath. University of . Mustanisiriya. College of Medicine . Third stage . Anaerobic Bacterial Infection. Overview . Anaerobic . bacteria:. . Bacteria that do not use . 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 . Lab. . 3. By. Assistant lecturer. Zainab farooq . shafeeq. Principle. The Gram stain is the most useful and widely employed differential stain in bacteriology.. It divides bacteria in to two groups (Gram positive and Gram negative bacteria.. (cont. ). Oula. Mohammed. M.B.Ch.B. / MSc. Clinical pharmacology. Cephalosporins. The . cephalosporins. are one of the . largest. and . most widely . used groups of antibiotics.. They are . β-lactam antibiotics .