1st PZD

The first Postzygotic Division (PZD, is beleived to be responsible for the formation and differentiation of the nuclei into the Macronuclei.

Articles:

Iwamoto, M., Koujin, T., Osakada, H., Mori, C., Kojidani, T., Matsuda, A., Asakawa, H., Hiraoka, Y., & Haraguchi, T. (2015). Biased assembly of the nuclear pore complex is required for somatic and germline nuclear differentiation in Tetrahymena. Journal of cell science, 128(9), 1812–1823.