Pneumococcal bacteriophages
VirologyPublished 1 December 1975
Jean-Gérard Tiraby, E. Tiraby, Mark A. Fox
Citations37
SJR quartileQ2
SJR score0.74
SNIP0.60
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Abstract
The isolation and some of the properties of a group of pneumococcal phages are described.
Keywords
MedicineBiochemistry, Genetics and Molecular BiologyEnvironmental Science
The Journal of Experimental MedicineSTUDIES ON THE CHEMICAL NATURE OF THE SUBSTANCE INDUCING TRANSFORMATION OF PNEUMOCOCCAL TYPES
3,287 Citations1944Oswald T. Avery, Colin M. MacLeod +1 more
Evidence is presented that the chemically induced alterations in cellular structure and function are predictable, type-specific, and transmissible in series.
VirologyRapid bacteriophage sedimentation in the presence of polyethylene glycol and its application to large-scale virus purification
1,593 Citations1970Keith R. Yamamoto, Bruce Alberts +3 more
Extension of this method to concentration and purification of other viruses and nucleic acids, as well as some preliminary mechanistic studies, are discussed.
Virology“Diplophage”: A bacteriophage of Diplococcus pneumoniae
63 Citations1975Maureen McDonnell, C Ronda-Laín +1 more
Bacteriophage capable of infecting Diplococcus pneumoniae strain R36A was isolated from throat samples of human patients with upper respiratory symptoms and one of the isolates, “Diplophage 1” (Dp-1), was purified and characterized in more detail.
Journal of BacteriologyMarker discrimination in deoxyribonucleic acid-mediated transformation of various Pneumococcus strains
55 Citations1975Gérard Tiraby, Mark A. Fox +1 more
The function responsible for discrimination among markers (point mutations) in Pneumococcus (hex) was traced back to the early strains used to demonstrate the chemical basis of transformation in the early 1940s, but this function was not evident in transformation between heterologous pneumococcal strains.
Journal of BacteriologyBacteriocins of <i>Diplococcus pneumoniae</i> I. Antagonistic Relationships and Genetic Transformations
23 Citations1966Leonard Mindich
Several strains of Diplococcus pneumoniae produced bacteriocins inhibiting the growth of other strains of pneumococcus but inactive upon themselves, but on selection of pneumocin-resistant cells resulting from mutation or transformation in strain R6, resistant cells, all of which were pneumocIn producers, were obtained.
Experimental Cell ResearchA new transforming agent determining pattern of metabolism of glucose and lactic acid in Pneumococcus
12 Citations1954Harriett Ephrussi-Taylor
Evidence was obtained which indicates that the normal Type III capsular transforming agent of pneumococcus acts in an all-or-none fashion, at least in the majority of transformations which it induces, and that these inductions produce a spectrum of bacteria having graded abilities to secrete polysaccharide.
