Variables Affecting the Foam Separation of Escherichia coli
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Variables affecting the foam separation of Escherichia coli.
The removal of washed and standardized Escherichia coli from distilled-water suspension by foam separation with nitrogen gas and 30 mug/ml of ethylhexadecyldimethylammonium bromide surfactant was increased by increasing the gas rate from 4.3 to 9.3 liters per min and by lowering the port level at which foam was removed from 60.4 to 20.4 cm, but with concomitant increases in foam volumes. The co...
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A spontaneously arising regulatory mutant of the gluconate system in Escherichia coli was isolated. This mutant became constitutive, probably in one step, for gluconate high-affinity transport, gluconokinase, and gluconate-6-P dehydrase. The mutation involved (gntR18) is cotransducible with asd. Pseudorevertants, derived from a mutant (M2) that shows a long lag for growth on gluconate mineral m...
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ژورنال
عنوان ژورنال: Applied Microbiology
سال: 1966
ISSN: 0003-6919
DOI: 10.1128/aem.14.5.778-783.1966