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Gene Review

NF-YB1  -  nuclear transcription factor Y subunit B-1

Arabidopsis thaliana

Synonyms: "nuclear factor Y, subunit B1", ATHAP3, ATNF-YB1, HAP3, HAP3A, ...
 
 
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High impact information on HAP3A

  • Thus, L1L, an essential regulator of embryo development, defines a unique class of plant HAP3 subunits [1].
  • The predicted amino acid sequence of C-LEC1 is similar to that of LEC1 and contains regions that are conserved in the heme-activated protein 3 (HAP3) subunit of plants, animals and microorganisms [2].
 

Analytical, diagnostic and therapeutic context of HAP3A

  • Northern-blot analysis indicated ubiquitous expression for each AtHAP2 and AtHAP5 cDNA in a range of tissues, whereas expression of each AtHAP3 cDNA was under developmental and/or environmental regulation [3].
  • Among these, a flax gene of the non-LEC1-like HAP3 family and a flax MYB factor were shown to be expressed in specialized tissues of flax embryo using an in situ hybridization approach [4].

References

  1. LEAFY COTYLEDON1-LIKE defines a class of regulators essential for embryo development. Kwong, R.W., Bui, A.Q., Lee, H., Kwong, L.W., Fischer, R.L., Goldberg, R.B., Harada, J.J. Plant Cell (2003) [Pubmed]
  2. Isolation of the gene encoding Carrot leafy cotyledon1 and expression analysis during somatic and zygotic embryogenesis. Yazawa, K., Takahata, K., Kamada, H. Plant Physiol. Biochem. (2004) [Pubmed]
  3. Multiple genes encoding the conserved CCAAT-box transcription factor complex are expressed in Arabidopsis. Edwards, D., Murray, J.A., Smith, A.G. Plant Physiol. (1998) [Pubmed]
  4. Identification of new gene expression regulators specifically expressed during plant seed maturation. Gutierrez, L., Conejero, G., Castelain, M., Guénin, S., Verdeil, J.L., Thomasset, B., Van Wuytswinkel, O. J. Exp. Bot. (2006) [Pubmed]
 
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