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Biol Bull 137: 375-383. (October 1969)
© 1969 Marine Biological Laboratory
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DIFFERENTIAL RADIOPROTECTION BY GLUTATHIONE OF TWO GROWTH FUNCTIONS IN THE HYDROID CAMPANULARIA FLEXUOSA

JEROME F. WERMUTH 1 and CHARLES D. BARNES 1

1 Departments of Zoology, and Anatomy and Physiology, Indiana University Bloomington, Indiana, 47401

1 . Five-and six-day-old colonies of Campanularia flexuosa were subjected to x-irradiation with and without variable incubation in reduced glutathione-sea water solutions.

2. X-irradiation doses of 81,000 roentgens alone stop hydranth production and stolon growth, the latter after three days.

3. Irradiation of starters resulted in an increased rate of new stolon growth over controls.

4. Under certain conditions of incubation in glutathione-sea water prior to irradiation, there was no increase in new stolon growth when starters were irradiated.

5. An hypothesis of stolon growth control is proposed.






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Copyright © 1969 by the Marine Biological Laboratory.