Deoxyribonucleic acid repair in bacteriophage.
نویسنده
چکیده
منابع مشابه
Excision repair of ultraviolet-irradiated deoxyribonucleic acid in plasmolyzed cells of Escherichia coli.
A system of cells made permeable by treatment with high concentrations of surcrose (plasmolysis) has been exploited to study the excision repair of ultraviolet-irradiated deoxyribonucleic acid in Escherichia coli. It is demonstrated that adenosine 5'-triphosphate is required for incision breaks to be made in the bacterial chromosome as well as in covalently closed bacteriophage lambda deoxyribo...
متن کاملDark repair of ultraviolet-irradiated deoxyribonucleic acid by bacteriophage T4: purification and characterization of a dimer-specific phage-induced endonuclease.
The purification and properties of an ultraviolet (UV) repair endonuclease are described. The enzyme is induced by infection of cells of Escherichia coli with phage T4 and is missing from extracts of cells infected with the UV-sensitive and excision-defective mutant T4V(1). The enzyme attacks UV-irradiated deoxyribonucleic acid (DNA) containing either hydroxymethylcytosine or cytosine, but does...
متن کاملDeoxyribonucleic acid repair in vitro by extracts of Escherichia coli.
Deoxyribonucleic acid (DNA) from bacteriophage T7 has been used to monitor the capacity of gently lysed extracts of Escherichia coli to perform repair resynthesis after ultraviolet (UV) irradiation. Purified DNA damaged by up to 100 J of UV radiation per m2 was treated with an endonuclease from Micrococcus luteus that introduces single-strand breaks in irradiated DNA. This DNA was then used as ...
متن کاملEqual incorporation of both parental bacteriophage T7 deoxyribonucleic acid strands into intracellular concatemeric deoxyribonucleic acid.
After infection of Escherichia coli B with radiolabeled T7 bacteriophage, the parental deoxyribonucleic acid label was found in both polynucleotide chains of the intracellular T7 concatemer.
متن کاملInfection of Bacillus stearothermophilus with bacteriophage deoxyribonucleic acid.
Early stationary-phase cells are most susceptible to infection with deoxyribonucleic acid from bacteriophage TP-1C. Transfection is destroyed by deoxyribonuclease and unaffected by phage antiserum.
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ورودعنوان ژورنال:
- Microbiological reviews
دوره 45 1 شماره
صفحات -
تاریخ انتشار 1981