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Int J Dev Biol ; 63(3-4-5): 253-258, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31058302

RESUMO

The oocyte GV/GVs (germinal vesicle/germinal vesicles) and zygot PN/PNs (pronucleus/pronuclei) of some mammals contain clearly visible nucleoli which exhibit an atypical morphological structure. These nucleoli (NCLs) can be relatively easily manipulated, i.e. removed from GVs/PNs or eventually transferred into another oocyte/zygote. Thus, with the help of micromanipulation techniques it was possible to uncover the real function(s) they play in processes of oocyte maturation and early embryonic development. The purpose of our review is to describe briefly the micromanipulation techniques that can be used for oocyte/zygote nucleoli manipulation. Moreover, we present some examples of results that were obtained in nucleolus manipulation experiments.


Assuntos
Nucléolo Celular/transplante , Oócitos/citologia , Zigoto/citologia , Animais , Nucléolo Celular/metabolismo , Camundongos , Micromanipulação/métodos , Oócitos/efeitos dos fármacos , Partenogênese , Suínos
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