Advanced initiation of synchronous mitoses in physarum polycephalum following UV-irradiation.


Irradiation of multinuclear synchronous plasmodia of Physarum polycephalum with UV-light (2000 to 7000 ergs/mm2, A max 2537 A) at any time during the first two thirds of the mitotic cycle (S-period and early G2-period) delays the onset of the next nuclear mitosis by 1 to 3 hours (10 to 30% of the normal cycle). The initial delay of the mitotic schedule is… (More)


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