title: Cyclic nucleotide changes in X-irradiated synchronized Tetrahymena.
mesh_terms: D015105:3',5'-Cyclic-AMP Phosphodiesterases / Q000378:metabolism; D015106:3',5'-Cyclic-GMP Phosphodiesterases / Q000378:metabolism; D002455:Cell Division / Q000528:radiation effects*; D002478:Cells, Cultured; D000242:Cyclic AMP / Q000378:metabolism*; D006152:Cyclic GMP / Q000378:metabolism*; D013768:Tetrahymena / Q000378:metabolism / Q000528:radiation effects*; D013997:Time Factors; D014965:X-Rays
chemical_list: D000242:Cyclic AMP; D015105:3',5'-Cyclic-AMP Phosphodiesterases; D015106:3',5'-Cyclic-GMP Phosphodiesterases; D006152:Cyclic GMP