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. 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)?. Internal Structures:. cytoplasm. nucleoid. ribosomes. Boundaries:. cell membrane. cell wall. capsule. Appendages:. flagellum. pili. Shapes of Bacteria. Bacteria Identification Criteria. Shapes. MicroorganismS What we don’t see CAN kill us! Microorganisms Also called microbes Cannot be seen without a microscope May be non-pathogen or pathogen depending on where it is in body Microorganisms 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 . 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.. & 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 . How are Prokaryotes Different from Eukaryotes?. The way their DNA is packaged. No nucleus. Not wrapped around . histones. The makeup of their cell wall. Bacteria- peptidoglycan. Archae- tough and made of other chemicals, distinct to them. 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..