Results 41 to 50 of about 315,208 (413)

Genome editing reveals a role for OCT4 in human embryogenesis

open access: yesNature, 2017
Despite their fundamental biological and clinical importance, the molecular mechanisms that regulate the first cell fate decisions in the human embryo are not well understood. Here we use CRISPR–Cas9-mediated genome editing to investigate the function of
N. Fogarty   +17 more
semanticscholar   +1 more source

Sexual Dimorphism in the Age of Genomics: How, When, Where

open access: yesFrontiers in Cell and Developmental Biology, 2019
In mammals, sex chromosomes start to program autosomal gene expression and epigenetic patterns very soon after fertilization. Yet whether the resulting sex differences are perpetuated throughout development and how they connect to the sex-specific ...
Daniel F. Deegan, Nora Engel
doaj   +1 more source

Maize Embryogenesis

open access: yes, 2008
Plant embryo development is a complex process that includes several coordinated events. Maize mature embryos consist of a well-differentiated embryonic axis surrounded by a single massive cotyledon called scutellum. Mature embryo axis also includes lateral roots and several developed leaves.
Fontanet, Pilar, Vicient, Carlos M.
openaire   +3 more sources

ATACing Somatic Embryogenesis [PDF]

open access: yesDevelopmental Cell, 2020
How does auxin induce somatic embryogenesis? In this issue of Developmental Cell, Wang et al. uncover a regulatory role for auxin in the dynamics of chromatin accessibility and gene expression, which is critical for the establishment of developmental time-specific transcriptional regulatory networks orchestrating somatic-to-embryonic cell reprogramming
openaire   +5 more sources

Hijacking of Embryonic Programs by Neural Crest-Derived Neuroblastoma: From Physiological Migration to Metastatic Dissemination

open access: yesFrontiers in Molecular Neuroscience, 2019
In the developing organism, complex molecular programs orchestrate the generation of cells in adequate numbers, drive them to migrate along the correct pathways towards appropriate territories, eliminate superfluous cells, and induce terminal ...
Céline Delloye-Bourgeois   +1 more
doaj   +1 more source

Desynchronizing Embryonic Cell Division Waves Reveals the Robustness of Xenopus laevis Development

open access: yesCell Reports, 2017
The early Xenopus laevis embryo is replete with dynamic spatial waves. One such wave, the cell division wave, emerges from the collective cell division timing of first tens and later hundreds of cells throughout the embryo.
Graham A. Anderson   +3 more
doaj   +1 more source

Padrões de acúmulo de proteínas e carboidratos durante a embriogênese somática de Acca sellowiana [PDF]

open access: yes, 2009
The aim of this work was to quantify the protein, starch and total sugars levels during histodifferentiation and development of somatic embryos of Acca sellowiana Berg.
Cangahuala-Inocente, Gabriela Claudia   +3 more
core   +3 more sources

Embryogenesis: Anchors away! [PDF]

open access: yesCurrent Biology, 2007
It has long been appreciated that the oocyte cortex plays a key role in regulating fertilization and establishing embryonic polarity. Recent studies have identified the anti-phosphatase EGG-3 as a cortical anchor for regulatory proteins required for launching embryogenesis in Caenhorhabditis elegans.
David Greenstein, J. Amaranath Govindan
openaire   +3 more sources

Early Embryogenesis of Brown Alga Fucus vesiculosus L. is Characterized by Significant Changes in Carbon and Energy Metabolism

open access: yesMolecules, 2017
Brown algae have an important role in marine environments. With respect to their broad distribution and importance for the environment and human use, brown algae of the order Fucales in particular became a model system for physiological and ecological ...
Elena Tarakhovskaya   +3 more
doaj   +1 more source

Tissue culture of oil palm : finding the balance between mass propagation and somaclonal variation [PDF]

open access: yes, 2019
The oil palm (Elaeis guineensis Jacq.) is typically propagated in vitro by indirect somatic embryogenesis, a process in which somatic cells of an explant of choice are, via an intermediate phase of callus growth, induced to differentiate into somatic ...
Inzé, Dirk, Maene, Ludo, Weckx, Sylvie
core   +2 more sources

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