Grant N J, Aimar C, Oriol-Audit C
Exp Cell Res. 1984 Feb;150(2):483-7. doi: 10.1016/0014-4827(84)90593-7.
The involvement of polyamines in cytokinesis has been examined in eggs of the amphibian X. laevis. Microinjection of spermine or spermidine into unfertilized eggs induced a shortening of the first division cycle and early formation of cleavage-like constrictions. Eggs were activated by injection and developed furrows about 45 min later, whereas the first division normally occurred around 120 min after activation. In terms of concentration, spermine was slightly more effective than spermidine, but putrescine had no influence on the division cycle.
多胺在胞质分裂中的作用已在两栖动物非洲爪蟾的卵中进行了研究。将精胺或亚精胺显微注射到未受精卵中会导致第一次分裂周期缩短以及早期形成类似卵裂的缢缩。通过注射激活卵，约45分钟后出现沟，而第一次分裂通常在激活后约120分钟发生。就浓度而言，精胺比亚精胺的效果稍好，但腐胺对分裂周期没有影响。
