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. 1982 Mar;27(3):165-70.

[Induction of bacteriocin synthesis in Erwinia cells]

[Article in Russian]
V V Lysak, Iu K Fomichev
  • PMID: 7092190

[Induction of bacteriocin synthesis in Erwinia cells]

[Article in Russian]
V V Lysak et al. Antibiotiki. 1982 Mar.

Abstract

The effect of UV light and mitomycin C as inductors of bacteriocins biosynthesis by Erwinia was studied. 46 strains of Erwinia were tested and the synthesis of bacteriocins was induced by irradiation with UV light only in 14 of them. The irradiation dose providing the highest increase of the bacteriocin titer was different for every strain. The survival of the strains ranged within 0.06 to 11.3 per cent. The time course of the bacteriocin synthesis induced by UV light in 9 strains of Erwinia was studied and it was shown that the process had common similar characteristics: gradual increasing of the bacteriocin titer immediately after exposure to UV light, reaching the maximum level 5-7 hours after incubation and its persisting for the subsequent observation period. Mitomycin indices bacteriocin production by the Erwinia strains tested only in individual cases, the character of the effect being dependent on the drug concentration and exposure time.

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