Rejoining of X-ray Induced Breaks in the DNA of Leukaemia Cells

The number of breaks produced by X-rays In the polynucleotide chains of the DNA in murine leukaemia cells, the bacterium Micrococcus radiodurans and in Isolated DNA are approximately the same. The leukaemia cells have an efficient system for rejoining broken strands. The results also suggest that th...

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Veröffentlicht in:	Nature (London) 1967-05, Vol.214 (5090), p.790-792
Hauptverfasser:	LETT, J. T, CALDWELL, I, DEAN, C. J, ALEXANDER, P
Format:	Artikel
Sprache:	eng
Schlagworte:	ANIMAL CELLS Animals BACTERIA CONFIGURATION DEFORMATION DNA DNA, Neoplasm - metabolism Humanities and Social Sciences IRRADIATION LEUKEMIA Leukemia, Experimental Mice Micrococcus - radiation effects MICROCOCCUS RADIODURANS Molecular Weight multidisciplinary N28800 -Life Sciences-Radiation Effects on Microorganisms Nitrogen NUCLEIC ACIDS NUCLEOTIDES Oxygen RADIATION EFFECTS REGENERATION RIBONUCLEIC ACID Science Science (multidisciplinary) Thymidine - metabolism Tritium X RADIATION
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Zusammenfassung:	The number of breaks produced by X-rays In the polynucleotide chains of the DNA in murine leukaemia cells, the bacterium Micrococcus radiodurans and in Isolated DNA are approximately the same. The leukaemia cells have an efficient system for rejoining broken strands. The results also suggest that the molecular weight of the mammalian DNA is very high.
ISSN:	0028-0836 1476-4687
DOI:	10.1038/214790a0