A CORRELATION BETWEEN RADIATION TOLERANCE AND NUCLEAR SURFACE AREA
Sparrow and Miksche (Science, 134:282) determined the dose (r/day) required to produce severe growth inhibition in 23 species of plants and found a linear relationship between log nuclear volume and log dose. The following equations hold for 6 species: log nuclear volume - 4.42 -0.82 log dose and log nuclear volume = 1.66 + 0.66 log (DNA content). If all the nuclear DNA is distributed in two peripheral zones, the equations also hold: 2(log nuclear surface area) - 1.33(log nuclear volume) - 2.21 + 0.88 log(DNA content) and 5.88-- 1.09 log dose. For the 23 species, the equation was obtained: 2(log nuclear surface area) = 5.41 -- 0.97 log dose. All the slopes are close to the expected value of 1.00. (D.L.C.)
- Research Organization:
- Royal Beatson Memorial Hospital, Glasgow
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-16-031523
- OSTI ID:
- 4778254
- Journal Information:
- Nature, Vol. Vol: 195; Other Information: Orig. Receipt Date: 31-DEC-62
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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