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  • Title: Aquaporin Z of Escherichia coli: reassessment of its regulation and physiological role.
    Author: Soupene E, King N, Lee H, Kustu S.
    Journal: J Bacteriol; 2002 Aug; 184(15):4304-7. PubMed ID: 12107150.
    Abstract:
    Transcription of an aqpZ-lac fusion in a single copy on the Escherichia coli chromosome increased as cells entered the stationary growth phase. This was true in a variety of media, and increased transcription in enriched medium required the RpoS sigma factor. Expression of the aqpZ-lac fusion was not affected by up- or downshifts in osmolality. Disruption of aqpZ had no detectable adverse effects.
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