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sonic hedgehog, shh: axial mesoderm, notochord, floor plate

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A.
B.
C.
early gastrula, vegetal view mid-gastrula, vegetal view Sagital section of stage 12.5 gastrula. cm= chordal mesoderm yp= yolk plug
D. E. F.
stage 13 neurula, lateral view. transcripts in neural plate and notochord

stage 28, lateral view. arrow indicates prospective thyroid, r=Rathke's pouch, n = notochord, fp = floor plate, br = brain (ventral only), i = infundibulum.
The hypochord is also shh positive (dotted line ventral to notochord)

stage 30

shh is progressively activated from anterior to posterior in the visceral arches

E
stage 32

 

 

Cloned by: Original description:
Ekker SC, McGrew LL, Lai CJ, Lee JJ, von Kessler DP, Moon RT, Beachy PA. Distinct expression and shared activities of members of the hedgehog gene family of Xenopus laevis. Development. 1995 Aug;121(8):2337-47.
Images submitted by: Sequence
Andres Carrasco  
Probe available from: Other papers by:
Andres Carrasco Carrasco / Ekker / Beachy
In situ probe details: Other papers on:
plasmid name: antisense RE cut: antisense transcription: Xenopus shh
       
mRNA generation
plasmid name: sense RE cut: sense transcription:
     

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