[Consequence of heterospecific cytoplasmic graft on gastrulation of Bufo bufo L. (Amphibia, Anura)].
Bufo bufo nuclei were grafted in virgin and enucleated Bufo calamita eggs. In these conditions embryonnic development was stopped at the early gastrula stage in 92% of the recipient eggs. For accomparative analysis Bufo calamita cytoplasm was injected into fertilized Bufo bufo eggs and produce arrest of development at the early gastrula stage. The progressive enhancement of this development inhibition was related to the increasing of the injected cytoplasm volume.
D000818:Animals; D002023:Bufo bufo; D002454:Cell Differentiation; D002467:Cell Nucleus / Q000502:physiology*; D003593:Cytoplasm / Q000637:transplantation; D004625:Embryo, Nonmammalian / Q000502:physiology*; D005260:Female; D014183:Transplantation, Heterologous
Conséquence de la greffe de cytoplasme hétérospécifique sur la gastrulation chez Bufo bufo L. (Amphibien Anoure).