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A secreted peptide acts on BIN2-mediated phosphorylation of ARFs to potentiate auxin response during lateral root development

Hyunwoo Cho, Hojin Ryu, Sangchul Rho, Kristine Hill, Stephanie Smith, Dominique Audenaert (UGent) , Joonghyuk Park, Soeun Han, Tom Beeckman (UGent) , Malcolm J Bennett, et al.
(2014) NATURE CELL BIOLOGY. 16(1). p.66-76
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Abstract
The phytohormone auxin is a key developmental signal in plants. So far, only auxin perception has been described to trigger the release of transcription factors termed AUXIN RESPONSE FACTORs (ARFs) from their AUXIN/INDOLE-3-ACETIC ACID (AUX/IAA) repressor proteins. Here, we show that phosphorylation of ARF7 and ARF19 by BRASSINOSTEROID-INSENSITIVE2 (BIN2) can also potentiate auxin signalling output during lateral root organogenesis. BIN2-mediated phosphorylation of ARF7 and ARF19 suppresses their interaction with AUX/IAAs, and subsequently enhances the transcriptional activity to their target genes LATERAL ORGAN BOUNDARIES-DOMAIN16 (LBD16) and LBD29. In this context, BIN2 is under the control of the TRACHEARY ELEMENT DIFFERENTIATION INHIBITORY FACTOR (TDIF)-TDIF RECEPTOR (TDR) module. TDIF-initiated TDR signalling directly acts on BIN2-mediated ARF phosphorylation, leading to the regulation of auxin signalling during lateral root development. In summary, this study delineates a TDIF-TDR-BIN2 signalling cascade that controls regulation of ARF and AUX/IAA interaction independent of auxin perception during lateral root development.
Keywords
BRASSINOSTEROIDS, INHIBITION, BIN2, GROWTH, RECEPTOR, BOX PROTEIN TIR1, ARABIDOPSIS-THALIANA, GSK3-LIKE KINASES, SIGNAL-TRANSDUCTION, PATHWAYS

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MLA
Cho, Hyunwoo, Hojin Ryu, Sangchul Rho, et al. “A Secreted Peptide Acts on BIN2-mediated Phosphorylation of ARFs to Potentiate Auxin Response During Lateral Root Development.” NATURE CELL BIOLOGY 16.1 (2014): 66–76. Print.
APA
Cho, H., Ryu, H., Rho, S., Hill, K., Smith, S., Audenaert, D., Park, J., et al. (2014). A secreted peptide acts on BIN2-mediated phosphorylation of ARFs to potentiate auxin response during lateral root development. NATURE CELL BIOLOGY, 16(1), 66–76.
Chicago author-date
Cho, Hyunwoo, Hojin Ryu, Sangchul Rho, Kristine Hill, Stephanie Smith, Dominique Audenaert, Joonghyuk Park, et al. 2014. “A Secreted Peptide Acts on BIN2-mediated Phosphorylation of ARFs to Potentiate Auxin Response During Lateral Root Development.” Nature Cell Biology 16 (1): 66–76.
Chicago author-date (all authors)
Cho, Hyunwoo, Hojin Ryu, Sangchul Rho, Kristine Hill, Stephanie Smith, Dominique Audenaert, Joonghyuk Park, Soeun Han, Tom Beeckman, Malcolm J Bennett, Daehee Hwang, Ive De Smet, and Ildoo Hwang. 2014. “A Secreted Peptide Acts on BIN2-mediated Phosphorylation of ARFs to Potentiate Auxin Response During Lateral Root Development.” Nature Cell Biology 16 (1): 66–76.
Vancouver
1.
Cho H, Ryu H, Rho S, Hill K, Smith S, Audenaert D, et al. A secreted peptide acts on BIN2-mediated phosphorylation of ARFs to potentiate auxin response during lateral root development. NATURE CELL BIOLOGY. 2014;16(1):66–76.
IEEE
[1]
H. Cho et al., “A secreted peptide acts on BIN2-mediated phosphorylation of ARFs to potentiate auxin response during lateral root development,” NATURE CELL BIOLOGY, vol. 16, no. 1, pp. 66–76, 2014.
@article{4283382,
  abstract     = {The phytohormone auxin is a key developmental signal in plants. So far, only auxin perception has been described to trigger the release of transcription factors termed AUXIN RESPONSE FACTORs (ARFs) from their AUXIN/INDOLE-3-ACETIC ACID (AUX/IAA) repressor proteins. Here, we show that phosphorylation of ARF7 and ARF19 by BRASSINOSTEROID-INSENSITIVE2 (BIN2) can also potentiate auxin signalling output during lateral root organogenesis. BIN2-mediated phosphorylation of ARF7 and ARF19 suppresses their interaction with AUX/IAAs, and subsequently enhances the transcriptional activity to their target genes LATERAL ORGAN BOUNDARIES-DOMAIN16 (LBD16) and LBD29. In this context, BIN2 is under the control of the TRACHEARY ELEMENT DIFFERENTIATION INHIBITORY FACTOR (TDIF)-TDIF RECEPTOR (TDR) module. TDIF-initiated TDR signalling directly acts on BIN2-mediated ARF phosphorylation, leading to the regulation of auxin signalling during lateral root development. In summary, this study delineates a TDIF-TDR-BIN2 signalling cascade that controls regulation of ARF and AUX/IAA interaction independent of auxin perception during lateral root development.},
  author       = {Cho, Hyunwoo and Ryu, Hojin and Rho, Sangchul and Hill, Kristine and Smith, Stephanie and Audenaert, Dominique and Park, Joonghyuk and Han, Soeun and Beeckman, Tom and Bennett, Malcolm J and Hwang, Daehee and De Smet, Ive and Hwang, Ildoo},
  issn         = {1465-7392},
  journal      = {NATURE CELL BIOLOGY},
  keywords     = {BRASSINOSTEROIDS,INHIBITION,BIN2,GROWTH,RECEPTOR,BOX PROTEIN TIR1,ARABIDOPSIS-THALIANA,GSK3-LIKE KINASES,SIGNAL-TRANSDUCTION,PATHWAYS},
  language     = {eng},
  number       = {1},
  pages        = {66--76},
  title        = {A secreted peptide acts on BIN2-mediated phosphorylation of ARFs to potentiate auxin response during lateral root development},
  url          = {http://dx.doi.org/10.1038/ncb2893},
  volume       = {16},
  year         = {2014},
}
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