Correlation of Nuclear Volume and DNA Content with Higher Plant Tolerance to Chronic Radiation
Investigations show that, for diploid species, the larger the nuclear volume, the more radiosensitive the organism. Correspondingly, species with large nuclei have more deoxyribonucleic acid (DNA) per nucleus than those possessing small nuclei. It is possible to predict fairly accurately the tolerance of plant species to ionizing radiation on the basis of average nuclear volume and DNA content. The same correlations are expected to hold for some micrcorganisms and for animals and may explain differences in sensitivities of different cell types in many living organisms.
- Research Organization:
- Brookhaven National Lab., Upton, N.Y.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-15-024710
- OSTI ID:
- 4024973
- Journal Information:
- Science, Journal Name: Science Journal Issue: 3475 Vol. 134; ISSN 0036-8075
- Publisher:
- AAAS
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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