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Gene Review

MAF1  -  agamous-like MADS-box protein AGL27

Arabidopsis thaliana

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High impact information on MAF1


Biological context of MAF1

  • In plants with reduced DNA methylation, expression of the five MADS AFFECTING FLOWERING (MAF) genes is repressed, suggesting that DNA methylation alters the expression of a trans-acting regulator common to FLC and members of the related MAF gene family [6].
  • The late-flowering phenotype of FLM over-expression is suppressed by the svp mutation, and an svp flm double mutant behaves like the single mutants [7].

Other interactions of MAF1

  • Overexpression studies demonstrate that MAF1 produces comparable effects to FLC, and likely has a similar function in the regulation of flowering [8].


  1. A PHD finger protein involved in both the vernalization and photoperiod pathways in Arabidopsis. Sung, S., Schmitz, R.J., Amasino, R.M. Genes Dev. (2006) [Pubmed]
  2. A mechanism related to the yeast transcriptional regulator Paf1c is required for expression of the Arabidopsis FLC/MAF MADS box gene family. Oh, S., Zhang, H., Ludwig, P., van Nocker, S. Plant Cell (2004) [Pubmed]
  3. Analysis of the Arabidopsis MADS AFFECTING FLOWERING gene family: MAF2 prevents vernalization by short periods of cold. Ratcliffe, O.J., Kumimoto, R.W., Wong, B.J., Riechmann, J.L. Plant Cell (2003) [Pubmed]
  4. Quantitative trait locus mapping and DNA array hybridization identify an FLM deletion as a cause for natural flowering-time variation. Werner, J.D., Borevitz, J.O., Warthmann, N., Trainer, G.T., Ecker, J.R., Chory, J., Weigel, D. Proc. Natl. Acad. Sci. U.S.A. (2005) [Pubmed]
  5. The plant nuclear envelope protein MAF1 has an additional location at the Golgi and binds to a novel Golgi-associated coiled-coil protein. Patel, S., Brkljacic, J., Gindullis, F., Rose, A., Meier, I. Planta (2005) [Pubmed]
  6. The downregulation of FLOWERING LOCUS C (FLC) expression in plants with low levels of DNA methylation and by vernalization occurs by distinct mechanisms. Jean Finnegan, E., Kovac, K.A., Jaligot, E., Sheldon, C.C., James Peacock, W., Dennis, E.S. Plant J. (2005) [Pubmed]
  7. Genetic interactions between FLM and other flowering-time genes in Arabidopsis thaliana. Scortecci, K., Michaels, S.D., Amasino, R.M. Plant Mol. Biol. (2003) [Pubmed]
  8. Regulation of flowering in Arabidopsis by an FLC homologue. Ratcliffe, O.J., Nadzan, G.C., Reuber, T.L., Riechmann, J.L. Plant Physiol. (2001) [Pubmed]
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