PPT-Colistin Resistance among Gram Negative Bacteria Isolated from Poultry in West Bank, Palestine

Presenter Dr Mohammad Qadi Introduction Several studies evaluated resistance among clinical isolates in West BankPalestine showed increasing and alarming rates of antimicrobial resistance . 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 . Structure and Function. 2. Prokaryote & Eukaryote. Evolution. 3. Cellular Evolution. Current evidence indicates that . eukaryotes evolved from prokaryotes. between 1 and 1.5 billion years ago. Two theories:. 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. continued. Gram Stain. When bacteria are treated with a dye made up of crystal violet and iodine they react in one of two ways. . Bacteria . cells that appear purple are gram-positive and bacteria that change to pink are gram-negative. . 2. Prokaryote & Eukaryote. Evolution. 3. Cellular Evolution. Current evidence indicates that . eukaryotes evolved from prokaryotes. between 1 and 1.5 billion years ago. Two theories:. 1. . Infolding theory. Internal Structures:. cytoplasm. nucleoid. ribosomes. Boundaries:. cell membrane. cell wall. capsule. Appendages:. flagellum. pili. Shapes of Bacteria. Bacteria Identification Criteria. Shapes. Bacteriology: . study . of . bacteria. Mycology: . study . of . fungi. Protozoology: . study . of . protozoa. Phycology (or algology): . study . of . algae. Parasitology: . study . of . parasites. Immunology: . biodistribution. and resistance selection. Alessandro . Pini. pinia@unisi.it. Department of Medical Biotechnology. University of Siena. Italy. SetLance srl. Toscana Life Sciences. Italy. The new AMP M33. Carbapenems. . Customize this presentation with your organization’s logo, etc.. 1. 3/17/2014. Presentation Objectives. Brief overview on microbiology and antibiotics. Describe antibiotic resistant organisms with a focus on . 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 . Customize this presentation with your organization’s logo, etc.. 1. 3/17/2014. Nimalie D. Stone, MD,MS. (with significant help from Dr. Eileen Burd). GA CRE Collaborative. Learning Session 1. March 20, 2014 . 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.. uropathogenic. bacteria isolated from contaminated urine. Zahia. . benmouna-benamar. . 1, 2. , . Hayate. . Messaoui. . 3. , . Narimane. Abdi . 1. and . Chahinez. . Azzi. . 1. 1. Department of Living and Environment, Faculty of Natural and Life Sciences, University of Sciences and Technology of Oran Mohamed .