Works Published in 1977

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Displaying all 10 works

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1977 journal article

Regulation of superoxide dismutase synthesis in Escherichia coli: glucose effect

Journal of Bacteriology, 132(2), 505–510.

By: H. Hassan & I. Fridovich

MeSH headings : Cyclic AMP / metabolism; Enzyme Repression; Escherichia coli / enzymology; Escherichia coli / metabolism; Fermentation; Glucose / metabolism; Hydrogen-Ion Concentration; Methylglucosides / pharmacology; Paraquat / pharmacology; Superoxide Dismutase / biosynthesis
TL;DR: It appears likely that superoxide dismutase is controlled directly or indirectly by the intracellular level of O2- and that glucose depressed the level of this enzyme because glucose metabolism is not associated with as rapid a production of O 2- as is the metabolsim of many other substances. (via Semantic Scholar)
Sources: Crossref, ORCID
Added: August 13, 2021

1977 journal article

Physiological function of superoxide dismutase in glucose-limited chemostat cultures of Escherichia coli

Journal of Bacteriology, 130(2), 805–811.

By: H. Hassan* & I. Fridovich

MeSH headings : Escherichia coli / drug effects; Escherichia coli / enzymology; Escherichia coli / growth & development; Free Radicals; Glucose / metabolism; Isoenzymes / analysis; Oxygen / pharmacology; Oxygen Consumption; Streptonigrin / pharmacology; Superoxide Dismutase / analysis; Superoxide Dismutase / physiology; Superoxides / metabolism
TL;DR: Conditions for continuous culture of Escherichia coli K-12 His- Thi- under glucose limitation were established, and results indicated a progressive deficiency of reducing power at growth rates below 0.25/h and a surfeit of reducingPower with progressively greater protection against O2- by superoxide dismutase at growth rate greater than 0. (via Semantic Scholar)
Sources: Crossref, ORCID
Added: August 13, 2021

1977 journal article

Biochemical and physiological properties of alkaline phosphatases in five isolates of marine bacteria

Journal of Bacteriology, 129(3), 1607–1612.

By: H. Hassan* & D. Pratt

MeSH headings : Alkaline Phosphatase / biosynthesis; Alkaline Phosphatase / metabolism; Bacteria / enzymology; Enzyme Repression; Isoenzymes / biosynthesis; Kinetics; Magnesium / pharmacology; Phosphates / pharmacology; Seawater; Species Specificity
TL;DR: The alkaline phosphatase activities of five unique isolates of marine bacteria were found to be associated with the periplasmic space; however, the enzymes from these isolates differed with respect to their repressibility, the apparent number of isoenzymes, the necessity for Mg2 for activity, and the conditions required for their release. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Crossref, ORCID
Added: August 13, 2021

1977 journal article

Regulation of the synthesis of superoxide dismutase in Escherichia coli. Induction by methyl viologen.

Journal of Biological Chemistry, 252(21), 7667–7672.

By: H. Hassan* & I. Fridovich*

TL;DR: It seems likely that paraquat subverts a portion of the normal, cyanide-sensitive, electron flow in the cells and transfers that electron flow to oxygen, in an increased rate of intracellular production of O,-, then induces or derepresses the biosynthesis of the manganese-superoxide dismutase, which defends the cell against the deleterious reactivities of this radical. (via Semantic Scholar)
Sources: Crossref, ORCID
Added: July 15, 2021

1977 journal article

Enzymatic defenses against the toxicity of oxygen and of streptonigrin in Escherichia coli

Journal of Bacteriology, 129(3), 1574–1583.

By: H. Hassan* & I. Fridovich

MeSH headings : Anaerobiosis; Catalase / biosynthesis; Chloramphenicol / pharmacology; Enzyme Induction / drug effects; Escherichia coli / drug effects; Escherichia coli / enzymology; Escherichia coli / ultrastructure; Isoenzymes / biosynthesis; Oxygen / toxicity; Peroxidases / biosynthesis; Puromycin / pharmacology; Streptonigrin / toxicity; Superoxide Dismutase / biosynthesis
TL;DR: Anaerobically grown Escherichia coli K-12 cells showed a much greater oxygen enhancement of the lethality of streptonigrin than did aerobically growing cells, in accord with the proposal that streptonigratedin can serve as an intracellular source of superoxide. (via Semantic Scholar)
Sources: Crossref, ORCID
Added: July 15, 2021

1977 journal article

A new method for the direct determination of serum cholesterol.

Asian Journal of Poultry Science, 9(3), 1149–1149.

By: A. DSilva, C. DSouza, G. Bowers, R. McComb, M. Kelley, V. Bowes, R. Julian, T. Stirtzinger ...

Source: ORCID
Added: February 4, 2021

1977 journal article

Mercury induced cardiovascular abnormalities in the chicken

Archives of Environmental Contamination and Toxicology, 6, 269–277.

By: J. Brake n, P. Thaxton n & P. Hester n

MeSH headings : Animals; Aorta / drug effects; Body Weight / drug effects; Cardiovascular Diseases / chemically induced; Cardiovascular System / physiopathology; Chickens; Electrocardiography; Heart / drug effects; Male; Mercury / adverse effects; Myocardium / pathology; Organ Size / drug effects; Time Factors
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: Web Of Science
Added: December 14, 2018

1977 journal article

Immunosuppression in chickens by passive transfer of preparation of specific immunoglobulins

Poultry Science, 56, 2091–2097.

By: P. Hester n, P. Thaxton n, G. Morgan n & J. Brake n

MeSH headings : Animals; Antigen-Antibody Reactions; Chickens / immunology; Hemagglutination Tests; Herpesvirus 2, Gallid / immunology; Immune Sera; Immunization, Passive; Immunoglobulin M / metabolism; Immunoglobulins / analysis; Immunoglobulins / metabolism; Immunosuppression Therapy; Male
TL;DR: The immunosuppressive effects of passive transfers of specific immunoglobulin preparations obtained from immune or hyperimmune sera were evaluated in chickens which were challenged with sheep red blood cells. (via Semantic Scholar)
Source: Web Of Science
Added: December 14, 2018

1977 magazine article

A new look at force molting

Brake, J. T., & Thaxton, J. P. (1977, March). Breakthrough, 3(1).

By: J. Brake & J. Thaxton

Source: NC State University Libraries
Added: December 14, 2018

1977 journal article

COMPARISON OF BROILERS GROWN IN ENVIRONMENTALLY MODIFIED AND CONVENTIONAL HOUSING AT DIFFERENT POPULATION DENSITIES 1,2 .1. PRODUCTION PERFORMANCE AND ECONOMIC-ANALYSIS

POULTRY SCIENCE, 56(3), 883–885.

By: C. Parkhurst n, G. Baughman n, J. Thaxton n, J. Garlich n & F. Edens n

Source: Web Of Science
Added: August 6, 2018

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