- bacteriophage plaque
- a cleared, usually circular, area on a bacterial lawn plate, occurring as a result of lysis of cells by a bacteriophage.
Medical dictionary. 2011.
bacteriophage plaque
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Plaque — (1) An semi hardened accumulation of substances from fluids that bathe an area. Examples include dental plaque and cholesterol plaque. Minerals form dental plaque around the teeth as a result of bacterial action on food particles. Dental plaque… … Medical dictionary
plaque-forming unit — an estimate of the titer of a bacteriophage solution, determined by mixing the bacteriophage with a solution of susceptible bacteria, plating, incubating, and counting the number of plaques present on the bacterial lawn, with each plaque… … Medical dictionary
plaque-forming unit — Number of Ig producing cells or infectious virus particles per unit volume. Of a virus like bacteriophage l, the number of viable viral particles, established by counting the number of plaques formed by serial dilution of the library. For example … Dictionary of molecular biology
Viral plaque — A viral plaque is a visible structure formed within a cell culture, such as bacterial cultures within some nutrient medium (e.g. agar). The bacteriophage viruses replicate and spread, thus generating regions of cell destructions known as plaques … Wikipedia
BACTÉRIOPHAGES — Les bactériophages, découverts par F. W. Twort (1915), puis redécouverts par F. d’Hérelle (1917), qui leur donna ce nom, sont des virus pathogènes pour les bactéries; possédant les caractéristiques générales des virus, ils provoquent la… … Encyclopédie Universelle
LYSOGÉNIE — Depuis 1940, et sous l’impulsion de Max Delbrück, les bactériophages ont donné lieu à de nombreuses recherches qui ont apporté beaucoup d’explications sur l’origine, l’action et la reproduction des virus, et sur un grand nombre d’autres problèmes … Encyclopédie Universelle
virus — viruslike, adj. /vuy reuhs/, n., pl. viruses. 1. an ultramicroscopic (20 to 300 nm in diameter), metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals: composed of an RNA … Universalium
Virology — is the study of viruses and virus like agents: their structure, classification and evolution, their ways to infect and exploit cells for virus reproduction, the diseases they cause, the techniques to isolate and culture them, and their use in… … Wikipedia
Max Delbrück — Not to be confused with his uncle, Max Delbrück (1850 1919), an agricultural chemist. Max Delbrück Delbrück in the early 1940s … Wikipedia
Norton Zinder — Norton David Zinder Marilyn Zinder, Norton Zinder and Esther M. Lederberg, Feb. 1972 Born … Wikipedia
