File:Preplacodal development model.jpg: Difference between revisions
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* expression of tfap2a/c overlaps with the lateral edges of the neural plate where, perhaps in combination with neural markers, they cell-autonomously specify NC fate. | * expression of tfap2a/c overlaps with the lateral edges of the neural plate where, perhaps in combination with neural markers, they cell-autonomously specify NC fate. | ||
| valign="top"|'''Late Gastrula Stage''' (9–10 hpf) | | width="400px" valign="top"|'''Late Gastrula Stage''' (9–10 hpf) | ||
* preplacodal ectoderm (PPE) fate is specified in competent cells near the neural-nonneural border by dorsally expressed Bmp antagonists, Fgf and Pdgf. | * preplacodal ectoderm (PPE) fate is specified in competent cells near the neural-nonneural border by dorsally expressed Bmp antagonists, Fgf and Pdgf. | ||
* Complete attenuation of Bmp is required for PPE specification. | * Complete attenuation of Bmp is required for PPE specification. | ||
Relevant markers for each ectodermal domain are shown. Experiments carried out in zebrafish. | Relevant markers for each ectodermal domain are shown. | ||
Experiments carried out in [[Zebrafish Development|zebrafish]]. | |||
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:'''Links:''' [[Placodes]] | [[Zebrafish Development]] | |||
===Reference=== | ===Reference=== | ||
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[[Category:Ectoderm]] [[Category:Placode]] [[Category:Sensory]] [[Category:Cartoon]] | Original file name: Figure 8. Journal.pgen.1001133.g008.jpg (some text above modified from figure legend) | ||
[[Category:Zebrafish]] [[Category:Ectoderm]] [[Category:Placode]] [[Category:Sensory]] [[Category:Cartoon]] |
Latest revision as of 10:25, 26 November 2011
Model for Sequential Phases of Preplacodal Development
Late Blastula Stage
|
Late Gastrula Stage (9–10 hpf)
Relevant markers for each ectodermal domain are shown. Experiments carried out in zebrafish. |
- Links: Placodes | Zebrafish Development
Reference
<pubmed>20885782</pubmed>| PLoS Genet.
© 2010 Kwon et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Original file name: Figure 8. Journal.pgen.1001133.g008.jpg (some text above modified from figure legend)
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Yi efo/eka'e gwa ebo wo le nyangagi wuncin ye kamina wunga tinya nan
Gwalagizhi | Nyangagi | Dimensions | User | Comment | |
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current | 15:43, 4 October 2011 | ![]() | 800 × 416 (41 KB) | S8600021 (talk | contribs) | ==Model for Sequential Phases of Preplacodal Development== During late blastula stage, Bmp acts as a morphogen that specifies neural crest (NC) within a narrow but low range of signaling, whereas higher levels of Bmp signaling establish the nonneural ect |
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