PPT-Gram-Positive Bacilli Bacteria

GramPositive Bacilli Bacteria Dr Alan N Talabani Lecturer at College of MedicineUniversity of Sulaimani GramPositive Bacteria I Gram Positive bacteria A Gram positive cocci B Gram positive rods. Last day. Brief . introduction to bacteria, . Archaebacteria. , and bacterial culturing media. . Today. We will start by looking at our cultures, and providing colony descriptors. . We . will learn about the Biology of Bacteria. 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. . 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)?. 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 . SPP.. . Bacillus. . . . Prepared . by . Assit.Prof.Dr. . . Najdat. . B.Mahdi. Introduction. The gram-positive spore-forming bacilli are the . Bacillus. and . Clostridium. species. These bacilli are ubiquitous, and because they form spores they can survive in the environment for many years. . Microorganisms. Also called microbes. Cannot be seen without a microscope. May be . non-pathogen . or . pathogen. depending on where it is in body . Microorganisms. Aerobes. are a variety of bacteria that require oxygen to grow. . . . . . Dr.oruba. Khalid abbas. ACTINOMYCETES. In this lecture , we shall discuss 3 genera of actinomycetes: . Actinomyces, Nocardia. , and . Streptomyces.. . These organisms have been shown to be . & Mycobacterium. Bacterial shape. Bacilli. Cocci. Gram +ve. Gram –ve. Gram +ve. Neisseria spp.. Staphylococcus. Streptococcus. Gram -ve. Enterobacteriaceae. Spore forming:. 1. Bacillus spp. (aerobic). Fitua. Al-. Saedi. Department of Clinical Laboratory Science. College of Pharmacy. Medical Microbiology. Microbiology . Is . the study of Microorganisms, a large and diverse group of microscopic organisms existing as single cells or clusters. Micro- organisms include some eukaryotes and prokaryotes, viruses, . 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 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 1078 1079 separated into two tubes; one tube contained anticoagulant for hematology studies, and in other tube without anticoagulant was used for serum separation and subsequent biochemical tests. Blo 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 .