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Monday, July 20, 2020 | History

2 edition of Immunological studies on staphylococcal penicillinases. found in the catalog.

Immunological studies on staphylococcal penicillinases.

Harriett K. Banting

Immunological studies on staphylococcal penicillinases.

by Harriett K. Banting

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  • 12 Currently reading

Published .
Written in English


Edition Notes

Thesis (M.A.) -- University of Toronto, 1960.

The Physical Object
Pagination1 v.
ID Numbers
Open LibraryOL21722850M

  Staphylococcus aureus is a major human pathogen that causes a wide range of clinical infections. It is a leading cause of bacteremia and infective endocarditis as well as osteoarticular, skin and soft tissue, pleuropulmonary, and device-related infections. This review comprehensively covers the epidemiology, pathophysiology, clinical manifestations, and Cited by: study of immunology, the body's response to infectious agents. study of microbes that impact human health. study of approaches used in the prevention of infectious disease. development and use of methods for detection of infectious disease.

Dr. Shell (1 hour) Objectives: Know general microbiological characteristics of Staphylococci Know that catalase differentiates Staph from Strep Compare and contrast S. aureus and CoNS (flow chart) Discuss clinical syndromes associated with S. aureus and CoNS Know the basic function of Staphylococcal exotoxins in disease Describe the genetic and biochemical basis of B-lactam . Antimicrobial resistance mechanisms of Staphylococcus aureus. individuals with compro mised immune systems ca n give an has been a subject of study for a Author: Wanda Reygaert.

  How Staph Infections Alter Immune System Date: J Source: UT Southwestern Medical Center Summary: Infectious disease specialists have mapped the gene profiles of children with severe.   Staphylococcal scalded skin syndrome (SSSS), also known as Ritter von Ritterschein disease (in newborns), Ritter disease, and staphylococcal epidermal necrolysis, encompasses a spectrum of superficial blistering skin disorders caused by the exfoliative toxins of some strains of Staphylococcus aureus. It is a syndrome of acute exfoliation of.


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Immunological studies on staphylococcal penicillinases by Harriett K. Banting Download PDF EPUB FB2

Cereus penicillinases was found. With the anti-S. aureus penicillinase serum, the difference was less marked. The neutralization titers of both antisera against S. aureus penicillinase were of the same order. Neutralization experiments suggested that there might be immunological differences in the penicillinases from different by: 4.

Pre-cipitin tests in agar columns gave what appears in the illustration to be a single dense band between the anti-serum and the enzyme of B. cereus, and at least 3 bands with a deeper zone of lesser precipitation with the Staph. aureus materials, suggesting, as the authors say, that further study would be aided by further purification of staphylococcal penicillinase.

Immunological studies on staphylococcal penicillinases. book precipitin tests Cited by: 4. Most staphylococci are no longer susceptible to the effects of penicillins alone because the bacteria produce enzymes or penicillinases that inactivate many of those drugs.

One approach to the problem of antibiotic resistance in staphylococci has been the use of penicillinase-resistant penicillins, e.g., nafcillin, oxacillin, and methicillin. Immunological studies on staphylococcal penicillinases. (PMID) Abstract Citations; Related Articles; Data; BioEntities; External Links ' ' RHODES HK, ' ' GOLDNER M, ' ' WILSON RJ Canadian Journal of Microbiology [01 Jun] Type: Journal Article DOI: /m61 Cited by: 4.

Penicillinase adaptation in Bacillus cereus; an analysis of three phases in the response of logarithmically growing cultures to induction of penicillinase formation by penicillin. Br J Exp Pathol. Dec;33 (6)– An immunological study of the constitutive and the penicillin-induced penicillinases of Bacillus cereus, Cited by: The opportunistic pathogen Staphylococcus aureus is a common colonizer of the human skin, but, once overcoming the skin barrier, it may cause a variety of pyogenic and systemic infections, acute and chronic infections, and toxin-mediated syndromes in both health care.

These strains produced large amounts of staphylococcal beta-lactamase that rapidly hydrolyzed penicillin and partially hydrolyzed the PRPs. Susceptibility to hydrolysis was penicillin greater than oxacillin greater than cephalothin greater than by: Abstract.

The study of antigenic specificity determinants has long been a subject of interest. Since the early studies of Landsteiner () on the specificity of serological reactions and through numerous recent investigations with synthetic antigens (Sela, ) as well as protein conjugates (Boyd, ; Pressman and Grossberg, ), efforts have been aimed at the Cited by: Immunology is the study of the ways in which the body defends itself from infectious agents and other foreign substances in its environment.

The immune system protect us from pathogens. It has the ability to discriminate (differentiate) between the individual`s own cells and harmful invading organisms. Skin infections caused by staph bacteria include: Boils.

The most common type of staph infection is the boil, a pocket of pus that develops in a hair follicle or oil gland. The skin over the infected area usually becomes red and swollen.

If a boil breaks open, it will probably drain pus. PERRET CJ. Iodometric assay of penicillinase. Nature. Nov 27; ()– POLLOCK MR.

An immunological study of the constitutive and the penicillin-induced penicillinases of Bacillus cereus, based on specific enzyme neutralization by antibody. J Gen Microbiol. Feb; 14 (1)– POLLOCK by: 1. The penicillinases formed by penicillinase-constitutive mutant strains from two closely related varieties ( and ) of Bacillus licheniformis have been isolated, characterized and compared.

They are chemically, physicochemically and immunologically very similar, but differ enzymologically in absolute and relative activity on, and affinity for, different penicillins and Cited by: Purchase Textbook of Microbiology & Immunology - 2nd Edition.

Print Book & E-Book. ISBNThe main experiments described here were designed to determine the capacity of different penicillins to induce penicillinase formation in staphylococci forming this enzyme, and their optimal concentration for this effect.

Under the conditions used (addition to a culture in which substantial growth had already occurred) benzyl penicillin, phenoxymethyl penicillin and phenethicillin Cited by: ‘An Elegant Defense’ explores the immune system’s softer side A new book overturns simplistic notions of our body’s "war machine" (one shown in red with staph bacteria in yellow) are.

This chapter presents the immunological techniques for studying β-lactamases. In principle, β-lactamases are no different from other enzymes with resp Cited by: 9. Staphylococcal scalded skin syndrome (SSSS) is a common disorder that is usually seen in infants and children and rarely seen in adults.

SSSS usually presents with a. Part of book: Immune Response Activation and Immunomodulation. Staphylococcus aureus Biofilms and their Impact on the Medical Field.

By Fany Reffuveille, Jérôme Josse, Quentin Vallé, Céline Mongaret and Sophie C. Gangloff. Part of book: The Rise of Virulence and Antibiotic Resistance in Staphylococcus aureus.

Beta-lactamases are enzymes (EC ) produced by bacteria that provide multi- resistance to β-lactam antibiotics such as penicillins, cephalosporins, cephamycins, and carbapenems (ertapenem), although carbapenems are relatively resistant to beta-lactamase.

Beta-lactamase provides antibiotic resistance by breaking the antibiotics InterPro: IPR The spectrum of the antistaphylococcal penicillins is similar to the natural narrow-spectrum penicillins (although potency is less than that of penicillin G) except that they are resistant to staphylococcal β-lactamase.

They have no activity against Gram-negative bacteria. • Unlike natural penicillins, they have little activity against enterococci (Enterococcus faecalis and E. Staphylococci are facultative anaerobes. They are Gram positive, occur in grape like-clusters and are catalase positive.

They are major components of the normal flora of skin and nose in all people. Staphylococcus aureus. Staphylococcus aureus (figure 1) is one of the.Immunology is a branch of biology that covers the study of immune systems in all organisms.

Immunology charts, measures, and contextualizes the physiological functioning of the immune system in states of both health and diseases; malfunctions of the immune system in immunological disorders (such as autoimmune diseases, hypersensitivities, immune Significant diseases: Autoimmune disease.

POLLOCK MR. An immunological study of the constitutive and the penicillin-induced penicillinases of Bacillus cereus, based on specific enzyme neutralization by antibody. J Gen Microbiol. Feb; 14 (1)– RICHMOND MH. PURIFICATION AND PROPERTIES OF THE EXOPENICILLINASE FROM STAPHYLOCOCCUS AUREUS.

Biochem J. Sep; Cited by: 7.