Polyamine transport and role of potE in response to osmotic stress in Escherichia coli |
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Authors: | Schiller D Kruse D Kneifel H Krämer R Burkovski A |
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Institution: | Institut für Biochemie, Universit?t K?ln, D-50674 Cologne, Germany. |
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Abstract: | When transport of polyamines in Escherichia coli was examined, putrescine excretion was observed under two different physiological conditions: (i) strictly correlated to growth and (ii) following a hyperosmotic shock. Spermidine was not excreted. Characterization of a deletion mutant showed that PotE is not involved in these transport processes. |
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