نتایج جستجو برای: mzt
تعداد نتایج: 74 فیلتر نتایج به سال:
Early embryogenesis is characterized by the maternal to zygotic transition (MZT), in which maternally deposited messenger RNAs are degraded while zygotic transcription begins. Before the MZT, post-transcriptional gene regulation by RNA-binding proteins (RBPs) is the dominant force in embryo patterning. We used two mRNA interactome capture methods to identify RBPs bound to polyadenylated transcr...
The onset of gastrulation at the Mid-Blastula Transition can accompany profound changes in embryonic cell cycles including the introduction of gap phases and the transition from maternal to zygotic control. Studies in Xenopus and Drosophila embryos have also found that cell cycles respond to DNA damage differently before and after MBT (or its equivalent, MZT, in Drosophila). DNA checkpoints are...
Maternal RNA/protein degradation and zygotic genome activation (ZGA), occurring during maternal-to-zygotic transition (MZT), are the first essential events for the development of pre-implantation embryos. Previously, we have shown the importance of the ubiquitin-proteasome system (UPS) for initiation of minor ZGA at the 1-cell stage of mouse embryos. However, little is known about the mechanism...
The maternal-to-zygotic transition (MZT), which controls maternal signaling to synthesize zygotic gene products, promotes the preimplantation development of mouse zygotes two-cell stage. Our previous study reported that granzyme g (Gzmg), a serine-type protease, is required for MZT. In this study, we further identified factors regulate Gzmg promoter activity in zygote stage embryos. A full-leng...
گونه های delphinium venulosum boiss. از تیره آلاله، stachys melampyroides hand.-mzt. از تیره نعناع، schoenoplectus bucharicus (roshev.) grossh. از تیره اویارسلام، carlina kurdica meusel & kastner از تیره کاسنی و helianthemum ledifolium (l.) miller var. lasiocarpum (willk.) boiss. از تیره سیستاسه برای اولین بار به عنوان رکوردهای جدید از ایران گزارش می شوند.
گونه‌های Delphinium venulosum Boiss. از تیره آلاله، Stachys melampyroides Hand.-Mzt. از تیره نعناع، Schoenoplectus bucharicus (Roshev.) Grossh. از تیره اویارسلام، Carlina kurdica Meusel & Kastner از تیره کاسنی و Helianthemum ledifolium (L.) Miller var. lasiocarpum (Willk.) Boiss. از تیره سیستاسه برای اولین بار به عنوان رکوردهای جدید از ایران گزارش می‌شوند.
This is a rare case of quintuplet pregnancy two sets Monozygotic Twins (MZT) co-existing with singleton resulting from transfer three cleaved embryos. To ameliorate the adverse implications multiple gestation, fetal reduction to twins by intracardiac puncture and aspiration was carried out at 11 weeks’ gestation. The patient has now delivered healthy babies (a boy girl) 35 weeks 6 days lower se...
The maternal-to-zygotic transition (MZT) is a universal step in animal development characterized by two major events: activation of zygotic transcription and degradation of maternally provided mRNAs. How zygotic gene products instruct the degradation of maternal messages remains a long-standing question in biology. MicroRNAs (miRNAs) have recently emerged as widespread regulators of gene expres...
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