نتایج جستجو برای: early embryo
تعداد نتایج: 738331 فیلتر نتایج به سال:
Abstract Early stages of embryogenesis depend on subcellular localization and transport maternal mRNA. However, systematic analysis these processes is hindered by a lack spatio-temporal information in single-cell RNA sequencing. Here, we combine spatially-resolved transcriptomics labeling to perform the transcriptome during early zebrafish development. We measure spatial mRNA molecules within o...
This study of the Arabidopsis thaliana nitrate transporter NRT1.6 indicated that nitrate is important for early embryo development. Functional analysis of cDNA-injected Xenopus laevis oocytes showed that NRT1.6 is a low-affinity nitrate transporter and does not transport dipeptides. RT-PCR, in situ hybridization, and b-glucuronidase reporter gene analysis showed that expression of NRT1.6 is onl...
The early events in plant embryogenesis are critical for pattern formation, since it is during this process that the primary apical meristems and the embryo polarity axis are established. However, little is known about the molecular events that are unique to the early stages of embryogenesis. This study of gene expression during plant embryogenesis is focused on identifying molecular markers fr...
Hieracium praealtum forms seeds asexually by apomixis. During ovule development, sexual reproduction initiates with megaspore mother cell entry into meiosis and formation of a tetrad of haploid megaspores. The sexual pathway ceases when a diploid aposporous initial (AI) cell differentiates, enlarges, and undergoes mitosis, forming an aposporous embryo sac that displaces sexual structures. Embry...
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