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Zeitschrift für Vererbungslehre

, Volume 97, Issue 2, pp 102–110 | Cite as

Dark- and K-reactivation in UV irradiatedEscherichia coli

  • H. Kneser
Article

Summary

UV survival of E. coli strains with different sensitivities has been measured under several post-irradiation conditions, which have been found to influence only the efficiency of two known reactivation mechanisms.

Strains BB, B and Bs-1 (equivalent to fil+ and probably lon) cannot use a reactivation mechanism which is active in K 12 (K-reactivation). Only a regulatory component is lacking, which can be substituted for by pantoyl lactone or heat treatment. B or BB cells in the growing state perform incomplete dark-reactivation; liquid holding or growth to the stationary phase restore it. K-reactivation also allows completion of darkreactivation.

Keywords

Heat Treatment Stationary Phase Reactivation Mechanism Lactone Regulatory Component 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1965

Authors and Affiliations

  • H. Kneser
    • 1
  1. 1.Institut für Genetik der Universität zu Köln5 Köln-LindenthalGermany

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