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Genetic instability in Streptomyces ambofaciens: inducibility and associated genome plasticity

Abstract : Presented at the International Symposium on Biology of Actinomycetes, University of Wisconsin, Madison, WI (USA) 11-16 August 1991. DNA amplification and deletions occur at high frequency in unstable regions localized on the Streptomyces ambofaciens chromosome. The structure of these regions was investigated, leading to the identification of internal reiterations which could play a role in the deletion and/or amplification mechanism(s). UV irradiation and treatments with mitomycin C, oxolinic acid and novobiocin were shown to efficiently induce genetic instability. Finally, mutator strains were isolated, in which genetic instability was dramatically increased. The involvement of an SOS-like response in genetic instability in S. ambofaciens is proposed.
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https://hal.univ-lorraine.fr/hal-01659185
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Submitted on : Friday, December 8, 2017 - 2:08:57 PM
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Jean-Marc Simonet, Dominique Schneider, Jean-Nicolas Voiff, Annie Dary, Bernard Decaris. Genetic instability in Streptomyces ambofaciens: inducibility and associated genome plasticity. Gene, Elsevier, 1992, 115 (1-2), pp.49-54. ⟨10.1016/0378-1119(92)90539-2⟩. ⟨hal-01659185⟩

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