نتایج جستجو برای: oogenesis
تعداد نتایج: 2661 فیلتر نتایج به سال:
The formation of three-dimensional structures from patterned epithelial sheets plays a key role in tissue morphogenesis. An important class of morphogenetic mechanisms relies on the spatio-temporal control of apical cell contractility, which can result in the localized bending of cell sheets and in-plane cell rearrangements. We have recently proposed a modified vertex model that can be used to ...
The asymmetric localization of four maternal mRNAs - gurken, bicoid, oskar and nanos - in the Drosophila oocyte is essential for the development of the embryonic body axes. Fluorescent imaging methods are now being used to visualize these mRNAs in living tissue, allowing dynamic analysis of their behaviors throughout the process of localization. This review summarizes recent findings from such ...
Xotx1 is a Xenopus homeobox gene related to the Drosophila gene orthodenticle (otd). We previously reported that Xotx1 transcripts are already present in unfertilized egg. Here we report that maternal Xotx1 mRNA is vegetally localized during oogenesis. In stage II oocytes Xotx1 transcripts are localized within the mitochondrial cloud, in a perinuclear position; later on, they are translocated t...
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