File:Cell contacts and pericellular matrix in the Xenopus gastrula chordamesoderm Abundance of cell contacts but not relative adhesiveness is reduced in adhesion factor morphants.PNG
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Fig 1. Abundance of cell contacts but not relative adhesiveness is reduced in adhesion factor morphants. (A–C) Dorsal side of normal (A) and C-cad depleted stage 11 gastrulae (B). In Syn-4 depleted embryos (C) convergent extension appears slightly accelerated in 6 out of 7 gastrulae. CM, chordamesoderm; NE, neural ectoderm; PCM, prechordal mesoderm; EN, suprablastoporal endodermal epithelium; red arrow, tip of archenteron; red arrowhead, position of blastopore. (D–H’) Cell packing in normal (wt) and morphant (MO) stage 11 chordamesoderm. Blue arrowheads, narrow contacts between cells; green arrows, two-sided gaps (“bubbles”) between two cells; light green arrowheads, wide contacts between cells; g, gaps at 3- or 4-cell junctions. (I) Abundances of narrow (< 50 nm) and wide (> 50 nm) contacts, and interstitial gaps. Bars, standard deviations. (wt) is from Barua et al. [4]. n, number of TEM images analyzed. (J) Tensions at 3-sided gap. For tension βf at free gap surface to balance tension per cell βc at contact interface it must act at a contact angle θ. (J’) Same contact angle θ and thus relative adhesiveness α can combine with large (left) or small (middle) contacts (small or large gaps, respectively). Same θ can be generated by smaller ( and ) or larger ( and ) tensions, provided that their ratio is retained. (K) Each dot represents a measured angle 2θ in normal and morphant CM; av., average. |
| Date | |
| Source | https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0297420 (2024) Cell contacts and pericellular matrix in the Xenopus gastrula chordamesoderm. PLoS ONE 19(2): e0297420. https://doi.org/10.1371/journal.pone.0297420 |
| Author | Luu O, Barua D, Winklbauer R |
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Copyright: © 2024 Luu 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.
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| current | 00:00, 27 April 2024 | | 1,685 × 2,100 (2.68 MB) | Rasbak (talk | contribs) | {{Information |description=Fig 1. Abundance of cell contacts but not relative adhesiveness is reduced in adhesion factor morphants. (A–C) Dorsal side of normal (A) and C-cad depleted stage 11 gastrulae (B). In Syn-4 depleted embryos (C) convergent extension appears slightly accelerated in 6 out of 7 gastrulae. CM, chordamesoderm; NE, neural ectoderm; PCM, prechordal mesoderm; EN, suprablastoporal endodermal epithelium; red arrow, tip of archenteron; red arrowhead, position of blastopore. (D–... |
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