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Gene Review

PLS  -  POLARIS protein

Arabidopsis thaliana

Synonyms: POLARIS
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High impact information on PLS


Biological context of PLS

  • We propose that PLS is required for correct auxin-cytokinin homeostasis to modulate root growth and leaf vascular patterning [2].
  • Cloning of the PLS locus revealed that the promoter trap T-DNA had inserted into a short open reading frame (ORF) [2].
  • The POLARIS (PLS) gene of Arabidopsis was identified as a promoter trap transgenic line, showing beta-glucuronidase fusion gene expression predominantly in the embryonic and seedling root, with low expression in aerial parts [2].


  1. The POLARIS Peptide of Arabidopsis Regulates Auxin Transport and Root Growth via Effects on Ethylene Signaling. Chilley, P.M., Casson, S.A., Tarkowski, P., Hawkins, N., Wang, K.L., Hussey, P.J., Beale, M., Ecker, J.R., Sandberg, G.K., Lindsey, K. Plant Cell (2006) [Pubmed]
  2. The POLARIS gene of Arabidopsis encodes a predicted peptide required for correct root growth and leaf vascular patterning. Casson, S.A., Chilley, P.M., Topping, J.F., Evans, I.M., Souter, M.A., Lindsey, K. Plant Cell (2002) [Pubmed]
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