Volume 8, Issue 4 (10-2004)                   ibj 2004, 8(4): 179-183 | Back to browse issues page

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Alizadeh Z, Pasbakhsh P, Sobhani A, Barbarestani M, Ghafari M, Etesam F. Time Course of Degradation and Deadenylation of Maternal c-mos and Cyclin A2 mRNA during Early Development of One-Cell Embryo in Mouse. ibj. 2004; 8 (4) :179-183
URL: http://ibj.pasteur.ac.ir/article-1-490-en.html
Early in the development of many animals, before transcription begins, any change in the pattern of protein synthesis is attributed to a change in the translational activity or stability of mRNA in the egg and early embryo. As a result, translational control is critical for a variety of developmental decisions, including oocyte maturation and initiation of preimplantation development. In this study, using real-time RT-PCR method, we defined the time course of degradation and deadenylation of an oocyte specific gene (c-mos) more precisely and a gene that is re-synthesized after ZGA (cyclin A2). Our data indicate that oocyte-specific transcript, c-mos, degrades rapidly while cyclin A2 mRNA does not and the deadenylation of c-mos mRNA precedes the process of degradation. Our findings suggest that time-dependent elimination of different maternal mRNA is a way for regulation of translation in early development of mouse embryos
Type of Study: Full Length |

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