Effects of chemical and physical carcinogens on viral DNA's: in vivo replication and localization of DNA hot spots
Thesis/Dissertation
·
OSTI ID:6994520
Host cell reactivation (HCR) of ultraviolet (UV) and methylmethane sulfonate (MMS)-treated Bacillus subtilis phages 029, SPO2c12, and SPP1 and their DNA's was investigated. The extent of repair among the UV-irradiated phages was compared using quantum yields rather than inactivation constants. The data for these phages assayed in B. subtilis YB864 (uvr/sup -/) indicate that SPO2c12 and SPP1 phages very likely code for an enzyme that aids host cell repair, whereas 029 does not. Repair of transfecting DNA was usually less efficient than repair of DNA form the irradiated intact phage.
- Research Organization:
- Clemson Univ., SC (USA)
- OSTI ID:
- 6994520
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560130* -- Radiation Effects on Microorganisms
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BACILLUS
BACILLUS SUBTILIS
BACTERIA
BACTERIOPHAGES
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
CARCINOGENS
DNA REPLICATION
ELECTROMAGNETIC RADIATION
ESTERS
GENETIC EFFECTS
GENETIC RADIATION EFFECTS
IN VIVO
METHYL METHANESULFONATE
MICROORGANISMS
MUTAGENS
NUCLEIC ACID REPLICATION
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PARASITES
RADIATION EFFECTS
RADIATIONS
SULFONIC ACID ESTERS
ULTRAVIOLET RADIATION
VIRUSES
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BACILLUS
BACILLUS SUBTILIS
BACTERIA
BACTERIOPHAGES
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
CARCINOGENS
DNA REPLICATION
ELECTROMAGNETIC RADIATION
ESTERS
GENETIC EFFECTS
GENETIC RADIATION EFFECTS
IN VIVO
METHYL METHANESULFONATE
MICROORGANISMS
MUTAGENS
NUCLEIC ACID REPLICATION
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PARASITES
RADIATION EFFECTS
RADIATIONS
SULFONIC ACID ESTERS
ULTRAVIOLET RADIATION
VIRUSES