Expansion of the Cell Plate in Plant Cytokinesis Requires a Kinesin-like Protein/MAPKKK Complex

@article{Nishihama2002ExpansionOT,
  title={Expansion of the Cell Plate in Plant Cytokinesis Requires a Kinesin-like Protein/MAPKKK Complex},
  author={R. Nishihama and T. Soyano and M. Ishikawa and S. Araki and Hirokazu Tanaka and T. Asada and K. Irie and Mayumi Ito and M. Terada and H. Banno and Yoshiko Yamazaki and Y. Machida},
  journal={Cell},
  year={2002},
  volume={109},
  pages={87-99}
}
The tobacco mitogen-activated protein kinase kinase kinase NPK1 regulates lateral expansion of the cell plate at cytokinesis. Here, we show that the kinesin-like proteins NACK1 and NACK2 act as activators of NPK1. Biochemical analysis suggests that direct binding of NACK1 to NPK1 stimulates kinase activity. NACK1 is accumulated specifically in M phase and colocalized with NPK1 at the phragmoplast equator. Overexpression of a truncated NACK1 protein that lacks the motor domain disrupts NPK1… Expand
Control of plant cytokinesis by an NPK1-mediated mitogen-activated protein kinase cascade.
  • T. Soyano, M. Ishikawa, +4 authors Y. Machida
  • Biology, Medicine
  • Philosophical transactions of the Royal Society of London. Series B, Biological sciences
  • 2002
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