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Literature DB >> 181669

Division delay and DNA degradation after mutagen treatment of the yeast, Saccharomyces cerevisiae.

Abstract

The treatment of the yeast mutant TMP1-1, which is capable of incorporating low levels of 3H-thymidine-5' - monophosphate with UV light and ethyl methane sulphonate resulted in division delay when cultures were reinnoculated into fresh medium. The initiation of cell division was accompanied by the degradation of up to 20% of the nuclear DNA fraction. The period of DNA degradation correlates closely with the time at which yeast cultures undergo mitotic recombination and appears to represent the degradation of DNA during a post-replication repair process.

Entities: Gene Species

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Year: 1976 PMID： 181669 DOI： 10.1007/bf00325825

Source DB: PubMed Journal: Mol Gen Genet ISSN： 0026-8925

12 in total

1. Studies on the radiation inactivation of microorganisms. VI. X-ray induced breakdown of deoxyribonucleic acid in Haemophilus influenzae and in other bacteria.

Authors: J H STUY
Journal: J Bacteriol Date: 1960-05 Impact factor: 3.490

7. Degradation of the DNA of recA mutants of Escherichia coli K-12 after irradiation with ultraviolet light. II. Further studies including a recA uvrA double mutant.

Authors: Z I Horii; K Suzuki
Journal: Photochem Photobiol Date: 1970-02 Impact factor: 3.421

Division delay and DNA degradation after mutagen treatment of the yeast, Saccharomyces cerevisiae.

1. Studies on the radiation inactivation of microorganisms. VI. X-ray induced breakdown of deoxyribonucleic acid in Haemophilus influenzae and in other bacteria.

2. Specific DNA-labelling by exogenous thymidine-5'-monophosphate in Saccharomyces cerevisiae.

3. Ultraviolet-induced delay of budding in synchronized yeast cells.

4. Correlation between degradation, replication and repair of yeast DNA irradiated by ultraviolet or -rays.

5. Economizing DNA-specific labelling by deoxythymidine-5'-monophosphate in Saccharomyces cerevisiae.

6. Excision of bases accompanying the excision of dimers from DNA of UV-irradiated yeast.

7. Degradation of the DNA of recA mutants of Escherichia coli K-12 after irradiation with ultraviolet light. II. Further studies including a recA uvrA double mutant.

8. Kinetics and genetic control of the incorporation of thymidine monophosphate in yeast DNA.

9. DNA repair and genetic recombination: studies on mutants of Escherichia coli defective in these processes.

10. The effects of x-radiation on thymidine-labeled DNA of regenerating rat liver.

1. Exogenous dTMP utilization by a novel tup mutant of Saccharomyces cerevisiae.