Results 151 to 160 of about 10,115 (192)
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Science, 2020
Developmental Biology We marvel at the progression of a single cell into a complex organism, and microscopy has long been used to visualize early developmental events. More recently, molecular networks and cellular lineages have been constructed by measuring cells' gene expression profile through single-cell RNA sequencing (scRNA-seq).
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Developmental Biology We marvel at the progression of a single cell into a complex organism, and microscopy has long been used to visualize early developmental events. More recently, molecular networks and cellular lineages have been constructed by measuring cells' gene expression profile through single-cell RNA sequencing (scRNA-seq).
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The evolution of vertebrate gastrulation
Development, 1994ABSTRACT The availability of molecular markers now permits the analysis of the common elements of vertebrate gastrulation. While gastrulation appears to be very diverse in the verte brates, by analyzing a head-organizer marker, goosecoid, and a marker common to all forming mesoderm, Brachyury, we attempt to identify homologous structures
E M, De Robertis +3 more
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Homeobox genes in vertebrate gastrulation
Current Opinion in Genetics & Development, 1995The formation and anteroposterior patterning of the three definitive germ layers, ectoderm, or epiblast, is the common theme of vertebrate gastrulation. What changes from system to system is the geometry of these events and the nature of the non-epiblast transient structures implicated.
BONCINELLI E, Mallamaci, Antonio
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Movements of chick gastrulation
2020In birds as in all amniotes, the site of gastrulation is a midline structure, the primitive streak. This appears as cells in the one cell-thick epiblast undergo epithelial-to-mesenchymal transition to ingress and form definitive mesoderm and endoderm. Global movements involving tens of thousands of cells in the embryonic epiblast precede gastrulation ...
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Induction of gastrulation in the chick embryo
Developmental Genetics, 1987AbstractInteraction between the epiblast and the primary hypoblast in chick blastula results in induction of the primitive streak (PS) in the epiblast. Alpha‐amanitin, a specific inhibitor of poly A‐containing RNA synthesis, inhibits formation of the definitive PS.
Nikolas Zagris +1 more
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3 The Organizer of the Gastrulating Mouse Embryo
1999Publisher Summary This chapter provides a synopsis of the current knowledge on the lineage and functional properties of the mouse gastrula organizer and highlights its unique features. The chapter argues that most of the information required for patterning the embryonic body is endowed in the organizer, but the realization of this patterning activity
Camus, Anne, Tam, Patrick P.L.
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Gastrulation and Split Cord Malformation
2023Split cord malformation (SCM) is a rare form of closed spinal dysraphism, in which two hemi-cords are present, instead of a single spinal cord. SCM is categorised into type 1 and type 2. Type 1 SCM is defined by the presence of a bony or osseocartilaginous spur between the hemi-cords, whereas type 2 SCM has no bony spur, and the two hemi-cords are ...
Zubair, Tahir, Claudia, Craven
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Zebrafishcellmovements during gastrulation
Hereditas (Beijing), 2013During zebrafish gastrulation, large cellular rearrangements create the formation of the three germ layers, ectoderm, mesoderm, and endoderm. This process includes three types of conserved morphogenetic movement: epiboly, involution, and convergent extension. Specially, the anterior movement of prechordal plate progenitors is essential for the location
Xian-Ming Mo, Ting Zhang
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The whys and wherefores of gastrulation
Seminars in Developmental Biology, 1994Abstract Gastrulation is defined as the phase of morphogenetic movements lying between the blastula stage and the phylotypic (zootype) stage of development. The occurrence of gastrulation is universal among animals undergoing embryonic development from eggs, but there is considerable diversity in the types of movement observed.
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