1887

Abstract

An apparent inhibition of cell division in the cyanobacterium caused by low Mg concentrations, was abolished by increasing the medium Mn concentration. Thus the mean cell volume of this organism growing in a Mg-limited chemostat culture decreased from an average of 1·3 to 0·4 μm following an increase in the reservoir Mn concentration from 9·5 to 15 μ. This increase in Mn had no effect on the steady-state biomass concentration, while a further elevation of the Mn concentration lowered the biomass concentration, seemingly by making Mg less available to the organism. The cellular Mn concentration increased, while cellular Mg was unaltered, following an increase in the medium Mn concentration.

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/content/journal/micro/10.1099/00221287-129-6-1713
1983-06-01
2021-10-17
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