Inducible DNA repair in Ustilago maydis
- 1 April 1982
- journal article
- research article
- Published by Springer Nature in Molecular Genetics and Genomics
- Vol. 185 (2), 245-250
- https://doi.org/10.1007/bf00330793
Abstract
Maximum survival of UV-irradiated U. maydis required a 2–3 h period of post-irradiation RNA and protein synthesis. Split dose experiments showed that this requirement correlated with the development of a radio-resistant cell state induced by UV doses above 200 Jm-2. Once induced, the radio-resistant state precluded the need for further RNA and protein synthesis for proficient repair of DNA damage caused by a second UV dose. Such radio-resistance was retained for up to 15 hours and it is concluded that this phenomenon represents the expression of an inducible DNA repair process, which is under transcriptional control.This publication has 24 references indexed in Scilit:
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