'Positive cell wall' diaporamas de présentation

MICROBIOLOGY Cell Biology of Bacteria

MICROBIOLOGY Cell Biology of Bacteria. Northland Community & Technical College. Instructor Terry Wiseth. BACTERIAL FACTS. Scientists have named and described more than 4,000 species of bacteria

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BACTERIA

BACTERIA. CLS 311: Basic Bacteriology Mrs. Amany Ahmed Niazy. Bacterial Structure. Bacterial Structure. Exterior Structures. The exterior structure (cell envelope) is made up of two to three layers: I n some species of bacteria an outer capsule. C ell wall. C ytoplasmic membrane.

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Medical Microbiology Enterobacteriaceae and other gram negative bacilli

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Chapter 4

Chapter 4. Functional Anatomy of Prokaryotic and Eukaryotic Cells. Prokaryotes can be grouped based on size, morphology and cell arrangement Morphology is genetically determined Monomorphic vs pleomorphic Size Range 0.2 to 80 um in diameter 2 to 600 um in length

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4-c The Bacteria

4-c The Bacteria. And various pages in additional chapters. Relationships Between Bacteria and Clinical Features of Disease. Structure/Function Relationships. Differences exist between human (eukaryotic) and bacterial (prokaryotic) cells.

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MICR 201 Microbiology for Health Related Sciences

Lecture 15: Microbial diseases of the cardiovascular and lymphatic system Edith Porter, M.D. MICR 201 Microbiology for Health Related Sciences. Lecture outline. Cardiovascular and lymphatic systems Bacterial diseases

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Introduction to Enterobacteriaceae

Introduction to Enterobacteriaceae. Enterobacteriaceae. Small gram-negative rods (2-5 by 0.5 microns) Most motile with peritrichous flagella Shigella and Klebsiella are nonmotile Oxidase-negative facultative anaerobes Reduce nitrate Ferment glucose and other carbohydrates

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Ch 4: Functional Anatomy of Prokaryotic and Eukaryotic Cells

Ch 4: Functional Anatomy of Prokaryotic and Eukaryotic Cells. Student Learning Outcome. Compare and contrast the overall cell structure of prokaryotes and eukaryotes. Identify the three basic shapes of bacteria.

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Microorganisms

Microorganisms. Classification of Microorganisms: Microbes can be classified into four major groups: 1- Protozoa 2- Bacteria. 3- Fungi. 4- Viruses. 1- The Protozoa:

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Cell structure and function for microbiologists Prokaryotes Eukaryotes Both have the same types of biological molecules

Cell structure and function for microbiologists Prokaryotes Eukaryotes Both have the same types of biological molecules metabolism, protein synthesis, ATP. Eukaryotes have organelles. Much larger; more complex than prokaryotes Processes compartmentalized into organelles Nucleus

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Cell structure and function for microbiologists Prokaryotes Eukaryotes

Cell structure and function for microbiologists Prokaryotes Eukaryotes Both have the same types of biological molecules metabolism, protein synthesis, ATP. Eukaryotes have organelles. Much larger; more complex than prokaryotes Processes compartmentalized into organelles Nucleus

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Prokaryotic Cell Structure and Function

LECTURE 2:. Prokaryotic Cell Structure and Function. Microbiology and Virology; 3 Credit hours Atta- ur - Rahman School of Applied Biosciences (ASAB) National University of Sciences and Technology (NUST). Bacterial Cell Wall.

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Classification of Bacteria

Classification of Bacteria. Differentiation of Bacteria by Cell Wall Composition. Bacteria Cell Walls. The cell wall is the outer most layer of the cell. In many cases the cell wall comes in direct contact with the environment. Function Protection of the cell

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Structure and morphology of B acteria

Structure and morphology of B acteria. Max Sanam. Perhaps the most elemental structural property of bacteria is cell morphology (shape). Typical examples include: coccus (spherical) bacillus ( rod-like) spirillum (spiral) filamentous.

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Update on Antigen Detection

s. Eukaryotic cell 2005;4:1308-16. Update on Antigen Detection. Paul E. Verweij, MD Nijmegen University Center for Infectious Diseases. Background. Sandwich ELISA Detects galactofuranosyl antigen Detection limit 1 ng/ml Early marker of invasive aspergillosis

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Tuberculosis :

Tuberculosis :. Tuberculosis (TB) is an infectious disease caused by bacteria whose scientific name is Mycobacterium tuberculosis . It was first isolated in 1882 by a German physician named Robert Koch who received the Nobel Prize for this discovery.

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Tuberculosis :

Tuberculosis :. Tuberculosis (TB) is an infectious disease caused by bacteria whose scientific name is Mycobacterium tuberculosis . It was first isolated in 1882 by a German physician named Robert Koch who received the Nobel Prize for this discovery.

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ANATOMY OF PROKARYOTES AND EUKARYOTES.

ANATOMY OF PROKARYOTES AND EUKARYOTES. Comparison of Prokaryotic and Eukaryotic Cells: An Overview. The Prokaryotic Cell. Size, shape, and arrangement of bacterial cells. Structures external to the cell wall:Glycocalyx, Flagella, Axial filaments, Fimbriae and pili, and Cell wall.

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