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Gene Review

RPL  -  BEL1-like homeodomain protein 9

Arabidopsis thaliana

Synonyms: BEL1-LIKE HOMEODOMAIN 9, BELLRINGER, BLH9, BLR, HB-6, ...
 
 
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Disease relevance of LSN

  • The barley BLRP was transcribed in Synechococcus from the same initiation sites that are used in plant chloroplasts in vivo [1].
 

High impact information on LSN

 

Biological context of LSN

 

Anatomical context of LSN

 

Associations of LSN with chemical compounds

  • This suggests that the BLRP is regulated by a different photosensory system relative to CRY1 [7].
 

Other interactions of LSN

  • Inflorescence development, but not vegetative development, is sensitive to the dosage levels of PNY, PNF and STM [8].
  • First, we show that PNF interacts with STM and BP indicating that PNY and PNF are redundant functioning proteins [8].
  • In Arabidopsis, two paralogous BEL1-like (BELL) homeobox genes, PENNYWISE (PNY) and POUND-FOOLISH (PNF), expressed in the SAM, encode DNA-binding proteins that are essential for specifying floral primordia and establishing early internode patterning events during inflorescence development [8].
  • Phyllotactic pattern and stem cell fate are determined by the Arabidopsis homeobox gene BELLRINGER [5].
  • Both REPLUMLESS and FRUITFULL are required to limit SHATTERPROOF expression to a narrow stripe of cells so that the valve margin differentiates precisely at the valve/replum boundary [9].

References

  1. Expression of a higher-plant chloroplast psbD promoter in a cyanobacterium (Synechococcus sp. strain PCC7942) reveals a conserved cis-element, designated PGT, that differentially interacts with sequence-specific binding factors during leaf development. Christopher, D.A., Shen, Y., Dudley, P., Tsinoremas, N.F. Curr. Genet. (1999) [Pubmed]
  2. Repression of AGAMOUS by BELLRINGER in floral and inflorescence meristems. Bao, X., Franks, R.G., Levin, J.Z., Liu, Z. Plant Cell (2004) [Pubmed]
  3. The interaction of two homeobox genes, BREVIPEDICELLUS and PENNYWISE, regulates internode patterning in the Arabidopsis inflorescence. Smith, H.M., Hake, S. Plant Cell (2003) [Pubmed]
  4. Blue light-induced transcription of plastid-encoded psbD gene is mediated by a nuclear-encoded transcription initiation factor, AtSig5. Tsunoyama, Y., Ishizaki, Y., Morikawa, K., Kobori, M., Nakahira, Y., Takeba, G., Toyoshima, Y., Shiina, T. Proc. Natl. Acad. Sci. U.S.A. (2004) [Pubmed]
  5. Phyllotactic pattern and stem cell fate are determined by the Arabidopsis homeobox gene BELLRINGER. Byrne, M.E., Groover, A.T., Fontana, J.R., Martienssen, R.A. Development (2003) [Pubmed]
  6. Structure and blue-light-responsive transcription of a chloroplast psbD promoter from Arabidopsis thaliana. Hoffer, P.H., Christopher, D.A. Plant Physiol. (1997) [Pubmed]
  7. DET1 represses a chloroplast blue light-responsive promoter in a developmental and tissue-specific manner in Arabidopsis thaliana. Christopher, D.A., Hoffer, P.H. Plant J. (1998) [Pubmed]
  8. Arabidopsis inflorescence architecture requires the activities of KNOX-BELL homeodomain heterodimers. Kanrar, S., Onguka, O., Smith, H.M. Planta (2006) [Pubmed]
  9. The role of the REPLUMLESS homeodomain protein in patterning the Arabidopsis fruit. Roeder, A.H., Ferrándiz, C., Yanofsky, M.F. Curr. Biol. (2003) [Pubmed]
 
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