Now showing items 1-7 of 7
The predominant cultivable flora of tooth surface plaque removed from institutionalized subjects
(Elsevier, 1972-09)
Tooth surface plaque was removed from 11 institutionalized individuals and cultured on agar plates in an anaerobic chamber. The recovery of organisms on a dilute trypticase yeast extract medium (MM10), incubated anaerobically, ...
The in-vitro effect of fungal dextranase on human dental plaque
(Elsevier, 1972-01)
Suspensions of dental plaque from eighteen children with high caries activity were hydrolyzed in vitro by a partially purified fungal dextranase isolated from Penicillium funiculosum NRRL 1768. The dextranase preparation ...
Buoyant densities of DNA from various strains of Streptococcus mutans
(Elsevier, 1972-06)
The buoyant densities of eight strains of Streptococcus mutans were determined by analytical ultracentrifugation in caesium chloride. The results were as follows (in g/cm3): K-1-R(1.7044); SL-1(1.7040); E-49(1.7010); ...
Metabolic regulation of aminoacyl-tRNA synthetase formation in bacteria
(Elsevier, 1972-10-17)
The cellular levels of several aminoacyl-tRNA synthetases vary with the rate of growth of , and of , in different media. Over a seven-fold range in growth rate the levels of arginyl- and of valyl-tRNA synthetase change ...
A possible role in the regulation of primary amination for a complex of glutamine: [alpha]-Ketoglutarate amidotransferase and glutamate dehydrogenase in
(Elsevier, 1972-07-11)
Both glutamine: [alpha]-ketoglutarate amidotransferase and glutamate dehydrogenase activities are obtained from grown in minimal medium containing glucose and ammonia. These activities are not additive, suggesting an ...
Comparison of various plaque parameters in individuals with poor oral hygiene
(Blackwell Publishing Ltd, 1972-04)