Genetic transformation in the methanogen Methanococcus voltae PS
Journal Article
·
· J. Bacteriol.; (United States)
OSTI ID:6405345
Mutations causing requirements for histidine, purine, and vitamin B/sub 12/ were obtained in strain PS of Methanococcus voltae (archaebacteria) upon irradiation with UV or gamma rays. The first two mutations were shown to revert at low frequencies and were sued to demonstrate the occurrence of transformation with homologous, wild-type DNA. The transformation rates obtained for these presumably chromosomal markers were in the range of 2 to 100 transformants per ..mu..g of DNA. Mutants resistant to 2-bromoethanesulfonate and to 5-methyl-DL-tryptophan were also isolated.
- Research Organization:
- California Institute of Technology, Pasadena
- OSTI ID:
- 6405345
- Journal Information:
- J. Bacteriol.; (United States), Journal Name: J. Bacteriol.; (United States) Vol. 169:6; ISSN JOBAA
- 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.
AMINO ACIDS
AROMATICS
AZAARENES
AZOLES
BACTERIA
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
CARBOXYLIC ACIDS
CELL TRANSFORMATIONS
DNA
ELECTROMAGNETIC RADIATION
GAMMA RADIATION
GENETIC EFFECTS
GENETIC RADIATION EFFECTS
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
INDOLES
IONIZING RADIATIONS
METHANOGENIC BACTERIA
MICROORGANISMS
MUTANTS
NUCLEIC ACIDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PYRROLES
RADIATION EFFECTS
RADIATIONS
SULFONATES
TRYPTOPHAN
ULTRAVIOLET RADIATION
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AMINO ACIDS
AROMATICS
AZAARENES
AZOLES
BACTERIA
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
CARBOXYLIC ACIDS
CELL TRANSFORMATIONS
DNA
ELECTROMAGNETIC RADIATION
GAMMA RADIATION
GENETIC EFFECTS
GENETIC RADIATION EFFECTS
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
INDOLES
IONIZING RADIATIONS
METHANOGENIC BACTERIA
MICROORGANISMS
MUTANTS
NUCLEIC ACIDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC SULFUR COMPOUNDS
PYRROLES
RADIATION EFFECTS
RADIATIONS
SULFONATES
TRYPTOPHAN
ULTRAVIOLET RADIATION