Mortaza Asgari

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Acanthamoebae are potential pathogens which can cause serious infections of humans. A non-radioactive rDNA probe and polymerase chain reaction (PCR) amplification procedures which are specific, rapid, sensitive and safe for the detection of Acanthamoeba have been developed. A restriction fragment (126 bp; ArDNA-a) from a variable region of the cloned 26S(More)
The haploid phase (myxamoebae-swarm cells) of the myxomycete Physarum flavicomum grew readily in chemically defined liquid media. The minimal medium contained salts, glucose, biotin, thiamine, hematin, glycine, l-arginine and l-methionine. Cell yields of 1.4x107 cells/ml were obtained in this medium in aerobic shake culture. These cells consumed about 35(More)
A haploid cell of the myxomycete Physarum flavicomum undergoes cytokinesis, producing a large population of cells. However, after syngamy, cytokinesis no longer occurs but karyokinesis does and subsequent growth results in the formation of a diploid syncytial plasmodium. Slime, which is produced by the plasmodium but not the haploid cells, was aseptically(More)
Some properties of the RNA of myxamoebae-swarm cells of Physarum flavicomum undergoing microcyst formation, and during adenine inhibition of the developmental process, were compared. During the first 15 h incubation under encystment conditions, 11% more RNA was recovered from the adenine-inhibited cells (AIC) than from the normal control cells (NC), whereas(More)
Slime secreted by microplasmodia of the myxomycete Physarum flavicomum inhibited the uptake of glucose and amino acids, as well as growth and cell division of the bacterium Bacillus subtilis. Morphological changes such as production of chains, swollen cells, and/or cell lysis, occurred coincident with these physiological inhibitory events. These phenomena(More)
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