The generation time of a Chinese hamster cell line was varied by the use of different lots of sera in the culture media. Analysis of the division waves following thymidine synchronization showed that lengthening of the generation time was a result of an increase in duration of the G1 phase and that thymidine treatment reduced the duration of G1 back to its minimum value.
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Copyright © 1967 by The Rockefeller University Press
1967
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