header logo image header logo text
Downloads Login
Research
General Information
ZIRC
ZFIN ID: ZDB-FIG-160630-26
Lovely et al., 2016 - Bmp signaling mediates endoderm pouch morphogenesis by regulating Fgf signaling in zebrafish. Development (Cambridge, England)   143(11):2000-11 Full text @ Development
ADDITIONAL FIGURES
PHENOTYPE:
Fish:
Condition:
Observed In:
Stage: Day 5

Fig. 3

Endoderm requires reception of Bmp signaling for proper development. (A-G) Whole-mount images (ventral view) of 5dpf viscerocranium. Asterisks label the ceratobranchial cartilages. (D′-E′′,G′) Confocal images (lateral view, anterior to the left) of 26hpf genetic chimeras labeling donor cells with either Alexa 568 dextran (D′,D′′), Alexa 488 dextran (E′,E′′) or the sox17:dsred transgene (G′). Arrowheads indicate endodermal pouch contribution, whereas arrows indicate endoderm failing to contribute to the pouches; insets show transgene expression with bright-field image. All embryos were heat shocked at 39°C for 1h at 10hpf. (A) Heat-shocked hs:dnBmpr1a-GFP embryos have severe craniofacial defects. (B) Control wild-type endoderm transplants do not disrupt craniofacial development. (D-D′′) Transplanting wild-type endoderm into a heat-shocked hs:dnBmpr1a-GFP embryo completely rescues craniofacial development (n=15/16). (E-E′′, arrows) Heat-shocked hs:dnBmpr1a-GFP donor cells are excluded from the pouches and fail to induce viscerocranial defects in wild-type embryos. (C) No rescue occurs when donor cells fail to populate the endoderm (n=6/6). (F) sox32 mutants lack endoderm and lose all of the viscerocranium. (G,G′) Heat-shocked hs:dnBmpr1a-GFP endoderm does not rescue sox32 mutants (n=6/6). Cartilages: Mc, Meckel′s; Ch, ceratohyal; Cb′s, ceratobranchial; Pq, palatoquadrate; HM, hyomandibular. Scale bars: 100µm in A-G; 50µm in D′-E′′,G′.

Gene Expression Details No data available
Antibody Labeling Details No data available
Phenotype Details
Fish Conditions Stage Phenotype
sox32ta56/ta56 standard conditions Day 5 embryonic viscerocranium morphogenesis disrupted, abnormal
Day 5 endoderm aplastic, abnormal
Day 5 pharyngeal arch cartilage aplastic, abnormal
w30Tg heat shock Day 5 ceratobranchial cartilage absent, abnormal
Day 5 ceratohyal cartilage morphology, abnormal
Day 5 embryonic viscerocranium morphogenesis disrupted, abnormal
Day 5 Meckel's cartilage morphology, abnormal
Acknowledgments:
ZFIN wishes to thank the journal Development (Cambridge, England) for permission to reproduce figures from this article. Please note that this material may be protected by copyright. Full text @ Development