COMPARATIVE STUDY OF RADIATION SENSITIVITY OF DIFFERENT STRAINS OF DROSOPHILA MELANOGASTER (in Russian)
Journal Article
·
· Doklady Akademii Nauk SSSR (U.S.S.R.) English translation currently published in a number of subject-oriented journals
OSTI ID:4100656
The radiation sensitivity of seven strains of wild type Drosophila melanogaster was compared. In experiments with 50- to 500-kr irradiation doses, 100 kr was shown to be sufficient for 100% death of the flies in a time suitable for comparative studies. Averaged lifetimes of irradiated flies varied from 11.6 to 16.5 days, with statistically significant differences; the seven strains were considered classifiable into two groups: one relatively radiation resistant and the other, relatively radiation sensitive. The curves of percentage of deaths versus time were similar for all strains, the rate increasing slowly at first, then very rapidly, but slowing down again near 100% mortality. These curves are considered to reflect not so much the differences in radiation sensitivity of individuals as differences in the processes causing destruction of the flies at different times after the irradiation. Coefficients of regression were calculated for the first two parts of the curves, and showed that the average length of life and rate of dying were inversely dependent in the first part but were not obviously related in the second part. (TTT)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-18-009851
- OSTI ID:
- 4100656
- Journal Information:
- Doklady Akademii Nauk SSSR (U.S.S.R.) English translation currently published in a number of subject-oriented journals, Journal Name: Doklady Akademii Nauk SSSR (U.S.S.R.) English translation currently published in a number of subject-oriented journals Vol. Vol: 153; ISSN DANKA
- Country of Publication:
- Country unknown/Code not available
- Language:
- Russian
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