par Errera, Maurice Leo ;Vanderhaeghe, Francine
Référence Experimental cell research, 13, 1, page (1-10)
Publication Publié, 1957-08
Article révisé par les pairs
Résumé : The cytoplasm of Acetabularia mediterranea appears to be more sensitive to UV irradiation than the nucleus, as demonstrated by a decreased survival and regeneration of anucleate fragments as compared with the nucleate ones. Irradiation of the cytoplasm only of a whole cell has the same effect as irradiation of the entire cell. When only the rhizoïd (which contains the nucleus) is irradiated, there is less injury than when the whole cell or only the cytoplasm is irradiated. Irradiation of the rhizoïd only can even cause a precocious stimulation of growth and morphogenesis. Cytological observations have demonstrated an immediate nuclear damage, even though the nucleus was not within the irradiated area. © 1957.