Cortical cytoplasm, which induces dorsal axis formation in Xenopus, is inactivated by UV irradiation of the oocyte.

@article{Holowacz1993CorticalCW,
  title={Cortical cytoplasm, which induces dorsal axis formation in Xenopus, is inactivated by UV irradiation of the oocyte.},
  author={T Holowacz and Richard Paul Elinson},
  journal={Development},
  year={1993},
  volume={119 1},
  pages={277-85}
}
Localized maternal determinants control the formation of dorsal axial structures in Xenopus embryos. To examine the spatial distribution of dorsal determinants, we injected cytoplasm from various regions of the egg and 16-cell embryo into the ventral vegetal cells of a 16-cell recipient embryo. Cortical cytoplasm from the egg vegetal surface induced the formation of a secondary dorsal axis in 53% of recipients. In contrast, animal cortical, equatorial cortical and vegetal deep cytoplasm never… CONTINUE READING

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