Transplantation of nuclei from growing oocytes into fully grown enucleated sturgeon oocytes.
Experiments involving enucleation of oocytes and transplantation of germinal vesicles showed that, at the start of the period of greatest growth, the oocyte caryoplasm already contains the substances necessary to make the cytoplasm capable of cytotomy.
D000818:Animals; D002465:Cell Movement; D005260:Female; D005399:Fishes / Q000196:embryology*; D006128:Growth; D008854:Microscopy, Electron; D053652:Nuclear Transfer Techniques; D010063:Ovum / Q000166:cytology* / Q000502:physiology; D014184:Transplantation, Homologous