Cell cycle arrest induced by theophylline in root meristem of Haplopappus gracilis
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Abstract
Theophylline, an inhibitor of cyclic nucleotide phosphodiesterase, induced a block of the cell cycle in G1, a temporary arrest in G2 and 70% decrease in the uptake of labelled thymidine in roots of Haplopappus. These effects are compared to those previously found with aminophylline and discussed in view of the possible involvement of cAMP in the regulation of the cell cycle in plants.
Keywords
Nucleotide Cell Cycle Theophylline Thymidine Cell Cycle Arrest
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
Abbreviations
- PDE
phosphodiesterase
- TCA
trichloroacetic acid
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