Inhibition of plaque-forming cells by diethylaminoethyl dextran.
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چکیده
منابع مشابه
Plaque formation by mumps virus and inhibition by antiserum.
Boston and ABC strains of mumps virus produced plaques approximately 1.0 mm in diameter in monolayers of BGM cells. The plaques were circular and either clear or target-like in form. Ricki strain virus produced plaques of similar size and form but, in addition, a red plaque was observed with this agent. The vaccine strain of mumps virus, Jeryl Lynn, produced minute clear plaques approximately 0...
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A sensitive, quantitative and reproducible plaque assay for the measurement of the simian rotavirus SAII is described. Plaque formation required the presence of the facilitators pancreatin or trypsin and diethylaminoethyl-dextran in the agar overlay. SAII produced plaques in three continuous primate cell lines: MA-104, CV-1 and LLC-MK2. MA-104 cells were the most sensitive.
متن کاملEvaluation of a plaque assay for the maedi-progressive pneumonia-visna viruses.
A simple and direct plaque assay for maedi virus, two strains of progressive pneumonia virus, and two strains of visna virus has been developed and evaluated. The technique allows the plaques formed by these viruses to be localized without disturbing the host-cell substrate of sheep choroid plexus cells or the gelled maintenance medium over the host-cell monolayer. Diethylaminoethyl-dextran sup...
متن کاملPlaque enhancement of enteroviruses by magnesium chloride, cysteine, and pancreatin.
Wallis, Craig (Baylor University College of Medicine, Houston, Tex.), Fred Morales, Joycelyn Powell, and Joseph L. Melnick. Plaque enhancement of enteroviruses by magnesium chloride, cysteine, and pancreatin. J. Bacteriol. 91:1932-1935. 1966.-Plaque formation of 21 echoviruses (types 1-6, 9, 13, 15-19, 23-26, 29-32) and 8 coxsackieviruses (B1-6, A7, and A9) was enhanced by increased concentrati...
متن کاملFurther studies of the physical and metabolic properties of foot-and-mouth disease virus temperature-sensitive mutants.
Three temperature-sensitive (ts) mutants of foot-and-mouth disease virus were classified as ribonucleic acid negative and as belonging to the same complementation group when measured by virus yields and [3H] uridine incorporation in paired, mixed infections at the nonpermissive temperature (38.5C). Mutant ts-22, the only mutant able to produce plaques at 38.5 C, was more sensitive to acid than ...
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ورودعنوان ژورنال:
- Journal of bacteriology
دوره 94 3 شماره
صفحات -
تاریخ انتشار 1967