Effect of temperature on the ATP pool and adenylate energy charge in Escherichia coli |
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Authors: | Anne Kahru Toomas Paalme Raivo Vilu |
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Institution: | Institute of Chemical Physics and Biophysics of the Estonian Academy of Sciences, Tallinn, USSR |
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Abstract: | The effect of cultivation temperature on the ATP pool and adenylate energy charge (EC) in Escherichia coli has been studied in both batch and continuous cultures. In batch culture, μmax and the ATP pool increased with increasing growth temperatures between 27–42°C (from 0.26 to 0.62 h−1, and from 5.1 to 8.2 nmol/mg dry wt., respectively). In continuous culture at a constant dilution rate (D = 0.2 h−1), with increasing growth temperatures between 28–43°C, the ATP pool increased about 2-fold (from 4.2 to 8.1 nmol/mg dry wt) and the EC from 0.80 to 0.99. |
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Keywords: | Temperature ATP pool Adenylate energy charge Escherichia coli |
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