Summary
The survival of UV-irradiated cholera phage e5 was found to increase when the host cells, Vibrio cholerae MAK757, were exposed to a low dose of UV irradiation before phage infection (Weigle reactivation), indicating the existence of a UV-inducible DNA repair pathway (SOS repair) in V. cholerae MAK757. The induction signal generated by UV irradiation was transient in nature and lasted about 20–30 min at 37°C. Maximal weigle reactivation of the phage was obtained when the host cells were irradiated with a UV dose of 16 J/m2. V. cholerae MAK757 was also found to possess efficient photoreactivation and host cell reactivation of UV-damaged DNA in phage e5.
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Basu, R., Ghosh, A. Inducible reactivation of UV-irradiated cholera phage e5 in Vibrio cholerae MAK757. Mol Gen Genet 209, 175–178 (1987). https://doi.org/10.1007/BF00329855
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DOI: https://doi.org/10.1007/BF00329855