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b - Lactamase Inhibitors

b - Lactamase Inhibitors

b - Lactamase Inhibitors. Clavulanic acid (Beecham 1976)(from Streptomyces clavuligerus ). Weak, unimportant antibacterial activity Powerful irreversible inhibitor of b - lactamases - suicide substrate Used as a sentry drug for ampicillin Augmentin = amoxicillin+ clavulanic acid

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1.94k views • 69 slides
Bacterial Morphology Arrangement

Bacterial Morphology Arrangement

Bacterial Morphology Arrangement. 1. Bacilli a.Streptobacilli b. Bacilli 2. Cocci a. Cocci b. Doplococci c. Streptococci d. Staphylococci e. Sarcina ( 3D ) f. Gaffkya ( 2D ) . Common Shapes & Arrangement. Bacterial morphologies (1). Bacterial morphologies (2).

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998 views • 63 slides
Bacterial Morphology Arrangement

Bacterial Morphology Arrangement

Bacterial Morphology Arrangement. 1. Bacilli a.Streptobacilli b. Bacilli 2. Cocci a. Cocci b. Doplococci c. Streptococci d. Staphylococci e. Sarcina ( 3D ) f. Gaffkya ( 2D ) . Common Shapes & Arrangement. Bacterial morphologies (1). Bacterial morphologies (2).

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1.41k views • 63 slides
Antigen presenting cells

Antigen presenting cells

Antigen presenting cells. Antigen presenting cells - (1) dendritic cells (2) macrophages (3) B cells. Morphology of Dendritic Cells. Paradigm: Immunity is the result of co-evolution of microorganisms and the immune system. Gram-. Gram+. Fungi. Parasites. Virus. INFECTIOUS NON SELF.

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1.63k views • 51 slides
Ruminant Carbohydrate Digestion

Ruminant Carbohydrate Digestion

Ruminant Carbohydrate Digestion. References Church 145-171; 260-297 Van Soest 95-117; 118-128; 160-165, 171-177 Sejrsen 139-143 Journal of Dairy Science 84:1294-1309 Journal of Animal Science 80:1112- Carbohydrates in common feedstuffs Carbohydrate, %DM Alfalfa Grass Corn DDGS

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2.24k views • 40 slides
A Method for Testing Activity of Contact Lens Disinfectants Against Acanthamoeba: The Real World

A Method for Testing Activity of Contact Lens Disinfectants Against Acanthamoeba: The Real World

A Method for Testing Activity of Contact Lens Disinfectants Against Acanthamoeba: The Real World Mahmoud Ghannoum, Ph.D. Director & Professor Center for Medical Mycology Department of Dermatology Case Western Reserve University Cleveland, OH (USA)

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786 views • 32 slides
Monday, March 8th

Monday, March 8th

Monday, March 8th. Check Chapter #20 Pretest Discuss Section 20-1 Notes 20-1 Review Sheet due next time Quiz next time: 20-1 Notes Chapter #20 Vocabulary Quiz Friday, March 12th. Chapter #20. Viruses & Bacteria. Section 20-1 Viruses. A. History of Viruses.

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415 views • 31 slides
Beta-lactam antibiotics Penicillins Target - Cell wall - interfere with cross linking

Beta-lactam antibiotics Penicillins Target - Cell wall - interfere with cross linking

Beta-lactam antibiotics Penicillins Target - Cell wall - interfere with cross linking Actively growing cells Bind to Penicillin Binding Proteins Enzymes involved in cell wall synthesis. Activity of an Antibiotic Affinity for target Permeability properties

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491 views • 29 slides
Establishment of Infection

Establishment of Infection

Establishment of Infection. In order to cause disease pathogen must follow a series of steps Gain entrance to host Adherence Colonization Avoid Host Defenses Cause host damage. Portals of entry. 1. Mucus membranes Respiratory tract Gastrointestinal tract Genitourinary tract

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941 views • 28 slides
Sukhjinder Sidhu Interior Health Pharmacy Resident Kootenay Lake Hospital

Sukhjinder Sidhu Interior Health Pharmacy Resident Kootenay Lake Hospital

Sukhjinder Sidhu Interior Health Pharmacy Resident Kootenay Lake Hospital. Terminology. Prophylactic therapy Treatment with antibiotics to prevent an infection. Empiric therapy Treatment of an infection before specific culture information has been reported or obtained. Terminology.

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I. Prokaryote Domains: Archaea and Bacteria

I. Prokaryote Domains: Archaea and Bacteria

I. Prokaryote Domains: Archaea and Bacteria. A. Evidence of early divergence. 1. Archaea: are the “ancient” bacteria. 2. Bacteria (Eubacteria): are the “modern” bacteria. 3. Domain Eukarya: appears to have diverged from Archaea (after Bacteria).

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893 views • 27 slides
IMMUNOLOGICAL ASPECT OF BACTERIAL INFECTION

IMMUNOLOGICAL ASPECT OF BACTERIAL INFECTION

IMMUNOLOGICAL ASPECT OF BACTERIAL INFECTION. Dr A.Aziz Djamal MSc.DTM&H.SpMK (K). Bacterial Infection. Colonization of pathogenic bacteria on / inside the body which are potentially harmful to our body. Immunosurveillan system of our body will recognize invading bacteria. WHY

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BACTERIAL CLASSIFICATION AND DIAGNOSIS OF BACTERIAL DISEASE

BACTERIAL CLASSIFICATION AND DIAGNOSIS OF BACTERIAL DISEASE

BACTERIAL CLASSIFICATION AND DIAGNOSIS OF BACTERIAL DISEASE. Disease causing agent Bacterial, fungal, viral or other? Treatment Antibiotic sensitivity Source of infection Food, air or contact? Epidemiology Cholera, Diphtheria Prevention E. coli O157:H7 outbreak, Shigella, Listeria.

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RIBOSOMAL INHIBITORS-PHARM {S1}

RIBOSOMAL INHIBITORS-PHARM {S1}

RIBOSOMAL INHIBITORS-PHARM {S1}. BY RANJEET RAMAN.

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BACTERIAL TOXINS {ST1}

BACTERIAL TOXINS {ST1}

BACTERIAL TOXINS {ST1}. BY RANJEET RAMAN. Major two classes of bacterial toxins are endotoxins and exotoxins . Endotoxins are intracellular and cell-associated, and are active only when cells lyse. They are ?part of Gram- bacteria, and the classic endotoxins is a lipopolysaccharide.

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Culture Media Preparation, Pure Culture technique Ubiquity of Bacteria The Fungi Lab #5

Culture Media Preparation, Pure Culture technique Ubiquity of Bacteria The Fungi Lab #5

Culture Media Preparation, Pure Culture technique Ubiquity of Bacteria The Fungi Lab #5. Medgar Evers College Bio 261, Microbiology Prof. Santos. Exercise 7; The ubiquity of Bacteria.

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CELL WALL ACTIVE ANTIBIOTICS II - PHARM {ST1}

CELL WALL ACTIVE ANTIBIOTICS II - PHARM {ST1}

CELL WALL ACTIVE ANTIBIOTICS II - PHARM {ST1} . BY RANJEET RAMAN.

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255 views • 16 slides
Classification of Bacteria

Classification of Bacteria

Classification of Bacteria. Macroscopic Appearance. Color - pigment produced by bacteria. Macroscopic Appearance. Texture - may be gloss, stringy, smooth, dull, dry & powdery, etc. Other: shape, size, elevation, odor, etc. Shape - Primary Classification.

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Outline:

Outline:

Outline:. Invasion Penetrating barriers Avoiding the Host Defenses Hiding within a host cell Avoiding killing by CSP Avoiding destruction by phagocytes Avoiding antibodies. Invasion : Breaching Anatomical Barriers. Find new niche with few competitors Gain access to rich nutrient supply

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Misc. Enterics and Gram- bacteria

Misc. Enterics and Gram- bacteria

Misc. Enterics and Gram- bacteria. Klebsiella. K. pneumoniae is most common pathogen Pneumonia ( nosocomial ) or UTI (makes urease ) Often associated with patient intubation Uses type 1 and type 3 (MRK) fimbriae Environmental organism Associated with plant roots, fixes nitrogen.

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185 views • 6 slides

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