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  • Title: Effect of UV on cleavage of Xenopus laevis.
    Author: Beal CM, Dixon KE.
    Journal: J Exp Zool; 1975 May; 192(2):277-83. PubMed ID: 1133572.
    Abstract:
    UV irradiation of the vegetal pole of stage 2 X. laevis embryos with doses of 6000-18000 ergs/mm-2 delayed or inhibited cytokinesis in the vegetal hemisphere. Nuclear division continued so that a syncytium was formed, the size and persistence of which depended on the dose. Embryos which received a low UV dose were subsequently able to recover whereas embryos receiving a high dose were unable to gastrulate successfully. The implications for investigations into the role of cytoplasmic determinants are discussed.
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