Molecular basis of late-flowering phenotype caused by dominant epi-alleles of the FWA locus in Arabidopsis.

@article{Ikeda2007MolecularBO,
  title={Molecular basis of late-flowering phenotype caused by dominant epi-alleles of the FWA locus in Arabidopsis.},
  author={Yoko Ikeda and Yasushi Kobayashi and Ayako Yamaguchi and Mitsutomo Abe and Takashi Araki},
  journal={Plant & cell physiology},
  year={2007},
  volume={48 2},
  pages={205-20}
}
The late-flowering phenotype of dominant fwa mutants is caused by hypomethylation in the FWA locus leading to ectopic expression of a homeodomain leucine zipper (HD-ZIP) protein. However, little is known about whether FWA has any role in regulation of flowering and how ectopically expressed FWA delays flowering. Through analysis of FWA expression in wild-type seedlings, it was shown that FWA is not expressed during the vegetative phase. This suggests that FWA has no role in flowering. The… CONTINUE READING

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