conclusions the overall results indicated that bacteriophages isolated from sewage exhibited excellent lytic activity against mrsa strains. in conclusion, bacteriophages can be further characterized and appear to be a promising candidate for phage therapy against mrsa in the future. results the phages exhibited good lytic activity against mrsa when tested in-vitro, and the highest activity was ...

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...

In a mouse model of Alzheimer’s disease, interleukin-3 protein released by cells called astrocytes activates microglia, the immune brain. These then cluster around disease-associated aggregates and help to clear them. An immune-signalling axis in brain helps reduce plaques.

Plaque production by 55 rhinoviruses in several lines of HeLa cells is reported. Forty-nine types produced macroscopic plaques under the conditions described previously employing 30 mM MgCl(2) and 30 mug/ml of DEAE-dextran in overlay and M HeLa cells. Basically three kinds of plaques were observed: clear large and intermediate sized plaques and small turbid plaques. Five rhinoviruses produced p...

Bacteriophage which produce either clear or turbid center plaques have been isolated for native isolates of Caryophanon latum.

Depending on passage history, strain WE infectious LCM virus either damages L cells more or less severely or leaves them morphologically intact. Correspondingly, the plaques which are formed on L cell monolayers are of different appearance, ranging from intensely turbid to clear. Multiplication of LCM virus in certain mouse organs profoundly affects plaque characteristics. The brain, for instan...

Depending on passage history, strain WE infectious LCM virus either damages L cells more or less severely or leaves them morphologically intact. Correspondingly, the plaques which are formed on L cell monolayers are of different appearance, ranging from intensely turbid to clear. Multiplication of LCM virus in certain mouse organs profoundly affects plaque characteristics. The brain, for instan...

Background: Multiple sclerosis (MS) is a chronic, typically progressive and most common autoimmune disease which damaged the central nervous system. According to the reports in 2008, this disorder has affected 2 and 2.5 million people globally. While the reason is not clear, proposed causes for this include immunologic, environmental, infectious and genetic factors, and sexuality. MS can cause ...

Transduction frequency with phage P1 had been observed to be very low in Escherichia coli K-12 mutants lacking the operon (ppk1-ppx) responsible for the synthesis of inorganic polyphosphate (poly P). We now find that these mutants, for lack of poly P, are lysogenic for P1 and when infected with phage P1 produce only approximately 1% the number of infective centers compared with the WT host. Bot...