Results 61 to 70 of about 81,543 (257)

RNA-Seq identifies SPGs as a ventral skeletal patterning cue in sea urchins [PDF]

, 2016
The sea urchin larval skeleton offers a simple model for formation of developmental patterns. The calcium carbonate skeleton is secreted by primary mesenchyme cells (PMCs) in response to largely unknown patterning cues expressed by the ectoderm.
Bardot, Evan, Blute, Todd A., Bradham, Cynthia A., Chaves, James, Chung, Oliver, Core, Amanda B., Coulombe-Huntington, Jasmin, Ferrell, Patrick, Fishman, Julie, Hameeduddin, Hajerah, Hewitt, Finnegan B., Hogan, John D., Ibn-Salem, Jonas, Keenan, Jessica L, Lee, David, Li, Christy, Luo, Lingqi, Oleinik, Ekaterina, Patel, Vijeta, Piacentino, Michael L., Poustka, Albert J., Ramachandran, Janani, Reyna, Arlene, Rose, Sviatlana, Speranza, Emily E., Yu, Jia, Zuch, Daniel T.   +26 more
core   +1 more source

Dental development in the tropical gar (Atractosteus tropicus) and the evolution of vertebrate dentitions

Developmental Dynamics, EarlyView.
Abstract Background Dentitions have diversified enormously during vertebrate evolution, involving reductions, modifications, or allocations to prey seizing and processing regions. A combination of ancient and novel features related to dental and oropharyngeal apparatuses is found in extant lineages of non‐teleost fishes, such as the gars.
Anna Pospisilova, Jan Stundl, Lenin Arias‐Rodriguez, Robert Cerny, Vladimír Soukup   +4 more
wiley   +1 more source

Micromeres are required for normal vegetal plate specification in sea urchin embryos [PDF]

, 1995
Vegetal plate specification was assessed in S. purpuratus embryos after micromere deletions at the 4th, 5th and 6th cleavages, by assaying expression of the early vegetal plate marker Endo 16, using whole-mount in situ hybridization.
Davidson, Eric H., Ransick, Andrew
core  

Bridging maternal effects and epitranscriptomics: A novel perspective in developmental biology

Developmental Dynamics, EarlyView.
Abstract Maternal effects, encompassing both genetic (maternally expressed gene products) and non‐genetic (maternal state) influences, are powerful determinants of offspring phenotype, yet their RNA‐level mechanisms remain incompletely resolved. In parallel, epitranscriptomics, an emerging field centered on chemical modifications to RNA, has revealed ...
Ehsan Pashay Ahi
wiley   +1 more source

Dishevelled genes mediate a conserved mammalian PCP pathway to regulate convergent extension during neurulation [PDF]

, 2006
The planar cell polarity (PCP) pathway is conserved throughout evolution, but it mediates distinct developmental processes. In Drosophila, members of the PCP pathway localize in a polarized fashion to specify the cellular polarity within the plane of the
Brinkman, Brendan C., Chen, Ping, Dickinson, Mary E., Fraser, Scott E., Hamblet, Natasha S., Mark, Sharayne, Segil, Neil, Wallingford, John B., Wang, Jianbo, Wynshaw-Boris, Anthony   +9 more
core   +1 more source

Gastrulation: Wnts Signal Constriction [PDF]

Current Biology, 2006
Recent work shows that Wnt signaling directly regulates the apical constriction that drives gastrulation movements in Caenorhabditis elegans, and also promotes invagination in sea urchins, providing a novel and possibly conserved mode of developmental regulation.
openaire   +2 more sources

Oogenesis and germinal bed morphology of the brown anole (A. sagrei)

Developmental Dynamics, EarlyView.
Abstract Background The brown anole is a model species of the genus Anolis, a squamate (encompassing lizards and snakes) group widely studied in evolutionary, behavioral, and developmental biology. Full genome annotation, the establishment of gene editing techniques, and comprehensive description of reproductive tract morphology and embryogenesis in ...
Bonnie K. Kircher, Antonia Weberling, Erin J. Vance, Natalia A. Shylo, Katherine Starr, Zoe B. Griffin, Hannah Wilson, Melainia McClain, Florian Hollfelder, Suzannah A. Williams, Thomas J. Sanger, Richard R. Behringer, Paul A. Trainor   +12 more
wiley   +1 more source

The epithelium of the dorsal marginal zone of Xenopus has organizer properties [PDF]

, 1992
We have investigated the properties of the epithelial layer of the dorsal marginal zone (DMZ) of the Xenopus laevis early gastrula and found that it has inductive properties similar to those of the entire Spemann organizer.
Keller, Ray, Shih, John
core  

Molecular recording of mammalian embryogenesis. [PDF]

, 2019
Ontogeny describes the emergence of complex multicellular organisms from single totipotent cells. This field is particularly challenging in mammals, owing to the indeterminate relationship between self-renewal and differentiation, variation in progenitor
Adamson, Britt, Chan, Michelle M, Grosswendt, Stefanie, Jones, Matthew G, Jost, Marco, Khodaverdian, Alex, Kretzmer, Helene, Meissner, Alexander, Norman, Thomas M, Quinn, Jeffrey J, Smith, Zachary D, Weissman, Jonathan S, Yang, Dian, Yosef, Nir   +13 more
core   +2 more sources

Projected Warming of the Southern Ocean Disrupts Embryonic Development and Hatch Timing in Antarctic Fish

Global Change Biology Communications, EarlyView.
Embryos are particularly sensitive to thermal challenge. Antarctic fish embryos raised at projected Southern Ocean temperatures hatch during the winter, have a high incidence of morphological abnormalities, have shorter body lengths, and express genes indicative of cellular stress.
Margaret Streeter, Nathalie R. Le François, Thomas Desvignes, Jacob Grondin, John H. Postlethwait, H. William Detrich III, Jacob M. Daane   +6 more
wiley   +1 more source