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Evidence for non axial A/P patterning in the nonneural ectoderm of Xenopus and zebrafish pregastrula embryos

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Academic year: 2020

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Figure

Fig. 2. Expression ofGATA.2and 3 in nonneuralanimal pole of all four bfastomeresectodermis depend.ent on BMP-4 signaling.lng of a dominantnegativetruncated8MPreceptor RNA (lanes tBR) or of a control RNA fd5OJ
Fig-of a zebrafish
Fig. 4. RA is not responsiblefor patterningGATA-2 and 3 in nonneuralectoderm.Animalcaps were isolated at stage 8-9, and treated with lCt7MRA until stage11
Fig. 7. XWnt3Aposteriorizesregulatespositiveblastulanonneuralectodermand downGAT A factorexpressionin theabsenceof mesodermandneuralinduction.50, 100and150pgXWnt3ARNA was injected in to themiddleof the animalpoleof singlecell stageXenopusembryos.Animalcaps
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