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Keywords: Sea urchin
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Journal Articles
Journal: Development
Development (2021) 148 (8): dev195859.
Published: 19 April 2021
... embryos that use endogenous hypoxia and redox gradients as morphogens during normal development. Here, we show that the tolerance to hypoxic conditions changes between different developmental stages of the sea urchin embryo, possibly due to the structure of the gene regulatory networks (GRNs). We...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2021) 148 (7): dev191197.
Published: 31 March 2021
... embryos for normal AP patterning is less well understood. To investigate this process in an invertebrate deuterostome, we defined Axin function in early sea urchin embryos. Axin is ubiquitously expressed at relatively high levels in early embryos and functional analysis revealed that Axin suppresses...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2020) 147 (17): dev191528.
Published: 11 September 2020
...Stephany Foster; Nathalie Oulhen; Gary Wessel ABSTRACT Identifying cell states during development from their mRNA profiles provides insight into their gene regulatory network. Here, we leverage the sea urchin embryo for its well-established gene regulatory network to interrogate the embryo using...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2020) 147 (4): dev182139.
Published: 26 February 2020
...Atsuko Yamazaki; Yoshiaki Morino; Makoto Urata; Masaaki Yamaguchi; Takuya Minokawa; Ryohei Furukawa; Mariko Kondo; Hiroshi Wada ABSTRACT In several model animals, the earliest phases of embryogenesis are regulated by lineage-specific genes, such as Drosophila bicoid . Sea urchin (echinoid...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2018) 145 (23): dev167130.
Published: 30 November 2018
... translation. Some miRNAs are key regulators of the Wnt signaling pathways, which impact developmental processes. This study investigates miRNA regulation of different isoforms of Dishevelled ( Dvl/Dsh ), which encode a key component in the Wnt signaling pathway. The sea urchin Dvl mRNA isoforms have similar...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2018) 145 (21): dev167742.
Published: 9 November 2018
...David R. McClay; Esther Miranda; Stacy L. Feinberg ABSTRACT Many marine larvae begin feeding within a day of fertilization, thus requiring rapid development of a nervous system to coordinate feeding activities. Here, we examine the patterning and specification of early neurogenesis in sea urchin...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2017) 144 (7): 1201–1210.
Published: 1 April 2017
... of this sea urchin institute parallel pathways to quiesce translation thoroughly but transiently. Funding We gratefully acknowledge the National Institutes of Health (R01HD028152 to G.M.W.). Deposited in PMC for release after 12 months. References Ahringer , J. and Kimble , J. ( 1991...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2016) 143 (2): 298–305.
Published: 15 January 2016
...Zheng Wei; Lynne M. Angerer; Robert C. Angerer During embryogenesis the sea urchin early pluteus larva differentiates 40-50 neurons marked by expression of the pan-neural marker synaptotagmin B (SynB) that are distributed along the ciliary band, in the apical plate and pharyngeal endoderm, and 4-6...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2015) 142 (20): 3537–3548.
Published: 15 October 2015
.... However, the role of transporters in moving extracellular signals that regulate embryogenesis is largely unexplored. Here, we show that a mesodermal ABCC (MRP) transporter is necessary for endodermal gut morphogenesis in sea urchin embryos. This transporter, Sp -ABCC5a (C5a), is expressed in pigment cells...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2015) 142 (11): 1960–1970.
Published: 1 June 2015
..., however, that Vasa has a much broader function, including a significant role in cell cycle regulation. Results herein indicate that Vasa is utilized widely, and often induced transiently, during development in diverse somatic cells and adult precursor tissues. We identified that Vasa in the sea urchin...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2014) 141 (16): 3134–3142.
Published: 15 August 2014
... provides a valuable paradigm for understanding stem cells in general. We find that the PGCs of the sea urchin Strongylocentrotus purpuratus exhibit broad transcriptional repression, yet enrichment for a set of inherited mRNAs. Enrichment of several germline determinants in the PGCs requires the RNA-binding...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2014) 141 (13): 2669–2679.
Published: 1 July 2014
...Atsuko Yamazaki; Yumi Kidachi; Masaaki Yamaguchi; Takuya Minokawa Echinoids (sea urchins) are divided into two major groups – cidaroids (a ‘primitive’ group) and euechinoids (a ‘derived’ group). The cidaroids are a promising model species for understanding the ancestral developmental mechanisms...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2014) 141 (7): 1503–1513.
Published: 1 April 2014
... biological processes. A well-characterized gene regulatory network (GRN) in the sea urchin embryo was used to identify the transcription factors that control five distinct cell changes during EMT. Single transcription factors were perturbed and the consequences followed with in vivo time-lapse imaging...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2014) 141 (5): 1075–1084.
Published: 1 March 2014
...Oliver A. Krupke; Robert D. Burke Apical constriction typically accompanies inward folding of an epithelial sheet. In recent years there has been progress in understanding mechanisms of apical constriction and their contribution to morphogenetic processes. Sea urchin embryos form a specialized...
Journal Articles
Journal: Development
Development (2014) 141 (4): 950–961.
Published: 15 February 2014
... processes that are amenable to detailed analysis of cell/tissue behaviors and to systems-level approaches to gene regulation. The formation of the calcified endoskeleton of the sea urchin embryo is a valuable experimental system for developing such an integrated view of the genomic regulatory control...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2013) 140 (24): 4881–4889.
Published: 15 December 2013
.... W. , Logan C. Y. , McClay D. R. , Dale L. , Angerer R. C. ( 2000 ). A BMP pathway regulates cell fate allocation along the sea urchin animal-vegetal embryonic axis . Development 127 , 1105 – 1114 . Armstrong N. , Hardin J. , McClay D. R. ( 1993...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2013) 140 (20): 4214–4225.
Published: 15 October 2013
...) during sea urchin gastrulation, although the relative contributions of these pathways and the cell behaviors they regulate are not fully understood. Here, we show that FGF and VEGF ligands are expressed in distinct domains in the embryonic ectoderm of Lytechinus variegatus . We find that PMC guidance...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2012) 139 (20): 3786–3794.
Published: 15 October 2012
... is not known in any member of the phyla. Here we demonstrate that small micromeres (SMics), which are formed at the fifth cell division of the sea urchin embryo, illustrate many typical features of primordial germ cell (PGC) specification. SMics autonomously express germ line genes in isolated culture...
Includes: Multimedia, Supplementary data
Journal Articles
Journal: Development
Development (2012) 139 (19): 3613–3622.
Published: 1 October 2012
... (ArsI) derived from the sea urchin, which has conserved insulator activity throughout the many metazoans tested, but for which the molecular mechanism of function is unknown. Using a rapid in vivo assay system and a high-throughput mega-shift assay, we identified a minimal region in ArsI...
Includes: Supplementary data
Journal Articles
Journal: Development
Development (2012) 139 (9): 1662–1669.
Published: 1 May 2012
...Zheng Wei; Ryan Range; Robert Angerer; Lynne Angerer Wnt and Nodal signaling pathways are required for initial patterning of cell fates along anterior-posterior (AP) and dorsal-ventral (DV) axes, respectively, of sea urchin embryos during cleavage and early blastula stages. These mechanisms...
Includes: Supplementary data