[First attempts to synchronize cell division in the diatom Navicula ostrearia (Gaillon) Bory in axenic culture].
The diatom Navicula ostrearia, grown under small quantities, was synchronized in diurnally intermittent illuminations of 16 hour light and 8 hour dark. Under these experimental conditions, the doubling of the population only occurs during the dark period and the fission time is about 6 hours.
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