'Gram positive cell wall' diaporamas de présentation

Part II BACTERIOLOGY

Part II BACTERIOLOGY. Yang Haibo. PROKARYOTES. Structure: have a nucleoid containing DNA surrounded by cytoplasm proteins can be synthesized energy can be generated have cell wall containing peptidoglycan ???. Method of replication:. by binary fission

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854 views • 81 slides

Cell structure and function Chapter 3

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Medical Microbiology Enterobacteriaceae and other gram negative bacilli

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Cell Surface Structures of Bacteria

Cell Surface Structures of Bacteria. Other reference. In a prokaryotic cell, the DNA is concentrated in a region called the nucleoid , which is not bounded by a membrane. Procaryotic Form and Function: External Structure.

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Prokaryotic Profiles: The Bacteria and the Archaea

Prokaryotic Profiles: The Bacteria and the Archaea. Chapter 4. 3 Domains. Bacteria = Prokaryotic = Non-membrane bound nucleus Unicellular, but can form aggregates Found in water, soil, skin, mouth, intestine E. coli, Salmonella, Streptococcus, Staphylococcus

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Classification of Bacteria

Classification of Bacteria. Chapter 4. Taxonomy / Systematics. Identification Distinguishing features Engine size Mileage Number of passengers Type of transmission. Classification Organization into groups Car Truck SUV Van. Nomenclature Providing a formal name

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Classification of Bacteria

Classification of Bacteria. Chapter 4. Taxonomy / Systematics. Identification Distinguishing features Engine size Mileage Number of passengers Type of transmission. Classification Organization into groups Car Truck SUV Van. Nomenclature Providing a formal name

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Chapter 3

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Classification of Bacteria

Classification of Bacteria. Chapter 4. Taxonomy / Systematics. Identification Distinguishing features Engine size Mileage Number of passengers Type of transmission. Classification Organization into groups Car Truck SUV Van. Nomenclature Providing a formal name

855 views • 49 slides

Structure of Prokaryotic & Eukaryotic Cells

Structure of Prokaryotic & Eukaryotic Cells. Review of Prokaryotic & Eukaryotic Cells. Nucleus vs nucleoid DNA : circular vs linear, presence of histones Membranous organelles Cell wall-peptidoglycan Cell division: binary vs mitosis Ribosomes: 70S vs 80S Cytoskeleton. Shape. Cocci

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BACTEREIA

BACTEREIA. Bacteria are prokaryotes . Prokaryotic cells possess simpler structures than eukaryotic cells , since they do not have a nucleus , other membrane bound organelles , or a cytoskeleton . There are two major types of prokaryotes: bacteria and

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Cellular Nature of Life Unit 4

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Chapter 20

Chapter 20. Viruses and Bacteria. Measurement Microorganisms: very small Use metric system Meter (m): standard unit Micrometer (mm) = 0.000001 meter or 1 X 10-6 meter Nanometer (nm) = 0.000000001 meter or 1 X 10-9 meter. Viewing Bacteria. Preparation of Smears for Staining

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IV. Bacterial Structure and Growth

IV. Bacterial Structure and Growth. A. Bacterial Cells: An Overview B. Bacterial Cell Structures C. Factors that Influence Bacterial Growth. IV. A. Bacterial Cells: An Overview. Shapes & Arrangements Round Bacteria Coccus Staphylococcus Diplococcus Tetrad Streptococcus Sarcina

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C hair of Medical Biology, M icrobiology, V irology, and I mmunology

C hair of Medical Biology, M icrobiology, V irology, and I mmunology. CELL S TRUCTURE OF BACTERIA. Lecturer As. Prof. O. Pokryshko. The Dimension of Bacteria. Relative size of a bacterial cell compared to other cells including viruses. Bacterial surface structures. Cell Envelope.

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Cell Biology

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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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Microbiology

Microbiology. Microbiology is the study of:. Bacteria Viruses Protozoa Fungi. Importance of studying microbiology. Welfare Morbidity and mortality Economics Productivity Public health Transmission to humans Genetic engineering Cloning. Procaryote v Eucaryote.

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GRAM POSITIVE & GRAM NEGATIVE BACTERIA

GRAM POSITIVE & GRAM NEGATIVE BACTERIA. DR.THAMINA SAYYED M.B.B.S. MD. MICROBIOLOGY REGISTRAR PROF KAMBALMBBS FRCpath. Bacterial cells. GRAM STAIN. Developed in 1884 by the Danish physician Hans Christian Gram

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