Inhibition of the adenylylation of glutamine synthetase by methionine sulfone during nitrogenase derepression |
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| Authors: | Paul E Bishop RH McParland Harold J Evans |
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| Institution: | Department of Botany and Plant Pathology Oregon State University, Corvallis, Oregon 97331 USA |
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| Abstract: | Adenylylation of glutamine synthetase was suppressed during derepression of nitrogenase synthesis in the presence of methionine sulfone and an excess of NH4+. Deadenylylation of glutamine synthetase was also promoted during nitrogenase derepression under the same conditions. These results are consistent with the hypothesis that the unadenylylated form of glutamine synthetase is required for derepression of nitrogenase. |
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