The VQ motif protein IKU1 regulates endosperm growth and seed size in Arabidopsis.

@article{Wang2010TheVM,
  title={The VQ motif protein IKU1 regulates endosperm growth and seed size in Arabidopsis.},
  author={Aihua Wang and Damien Garcia and Hongyu Zhang and Ke Feng and Abed M. Chaudhury and Fred Berger and W James Peacock and Elizabeth S Dennis and Ming Luo},
  journal={The Plant journal : for cell and molecular biology},
  year={2010},
  volume={63 4},
  pages={670-9}
}
Arabidopsis seed size is regulated by the IKU pathway that includes IKU2 (a leucine-rich repeat kinase) and MINI3 (a WRKY transcription factor). We report the cloning of the IKU1 (At2g35230) gene. iku1 mutants cause reduced endosperm growth and the production of small seeds. IKU1 encodes a protein containing a VQ motif, which is a motif specific to plants. IKU1 is expressed in the early endosperm and its progenitor, the central cell. Restoration of IKU1 function in the endosperm is sufficient… CONTINUE READING
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