Summary
A rapid test devised for assay of ozone sensitivity in Escherichia coli is described. The detection of new mutants, either more resistant or more sensitive than wild type strain to ozone, and the genetic analysis of ozone recombinants are now possible. Results confirm that ozone resistance is probably involved with DNA repair mechanisms; and show that ozone and ultraviolet light inhibit the cell division capacity of lon mutants in a similar way.
Résumé
Une méthode permettant de déterminer rapidement la susceptibilité de Escherichia coli à l'ozone est décrite. Grâce à ce test rapide, il est maintenant possible de détecter de nouveaux mutants, plus résistants ou plus sensibles à l'ozone que la souche de type sauvage, et de procéder à l'analyse de recombinants pour ce caractère. Les résultats obtenus confirment le rôle probable des enzymes de réparation de l'ADN dans la résistance à l'ozone; et montrent que l'ozone inhibe la capacité de division cellulaire de mutants lon de façon comparable à la lumière ultraviolette.
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Hamelin, C., Chung, Y.S. Rapid test for assay of ozone sensitivity in Escherichia coli . Molec. Gen. Genet. 145, 191–194 (1976). https://doi.org/10.1007/BF00269593
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DOI: https://doi.org/10.1007/BF00269593