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RALFL34 regulates formative cell divisions in Arabidopsis pericycle during lateral root initiation

(2016) JOURNAL OF EXPERIMENTAL BOTANY. 67(16). p.4863-4875
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Biotechnology for a sustainable economy (Bio-Economy)
Abstract
We describe the role of RALFL34 during early events in lateral root development, and demonstrate its specific importance in orchestrating formative cell divisions in the pericycle.In plants, many signalling molecules, such as phytohormones, miRNAs, transcription factors, and small signalling peptides, drive growth and development. However, very few small signalling peptides have been shown to be necessary for lateral root development. Here, we describe the role of the peptide RALFL34 during early events in lateral root development, and demonstrate its specific importance in orchestrating formative cell divisions in the pericycle. Our results further suggest that this small signalling peptide acts on the transcriptional cascade leading to a new lateral root upstream of GATA23, an important player in lateral root formation. In addition, we describe a role for ETHYLENE RESPONSE FACTORs (ERFs) in regulatingRALFL34 expression. Taken together, we put forward RALFL34 as a new, important player in lateral root initiation.
Keywords
GENE-EXPRESSION, FACTOR AGL15, CONSTITUTIVE EXPRESSION, TRANSCRIPTIONAL REPRESSION, NUCLEAR PROTEINS, FLORAL ORGAN ABSCISSION, AUXIN TRANSPORT, SMALL SIGNALING PEPTIDES, MADS-DOMAIN PROTEIN, RAPID ALKALINIZATION FACTOR (RALF), lateral root initiation, GATA23, ERF, Arabidopsis thaliana, IN-VIVO

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Chicago
Murphy, Evan, Lam Dai Vu, Lisa Van den Broeck, Zhefeng Lin, Priya Ramakrishna, Brigitte Van De Cotte, Allison Gaudinier, et al. 2016. “RALFL34 Regulates Formative Cell Divisions in Arabidopsis Pericycle During Lateral Root Initiation.” Journal of Experimental Botany 67 (16): 4863–4875.
APA
Murphy, E., Vu, L. D., Van den Broeck, L., Lin, Z., Ramakrishna, P., Van De Cotte, B., Gaudinier, A., et al. (2016). RALFL34 regulates formative cell divisions in Arabidopsis pericycle during lateral root initiation. JOURNAL OF EXPERIMENTAL BOTANY, 67(16), 4863–4875.
Vancouver
1.
Murphy E, Vu LD, Van den Broeck L, Lin Z, Ramakrishna P, Van De Cotte B, et al. RALFL34 regulates formative cell divisions in Arabidopsis pericycle during lateral root initiation. JOURNAL OF EXPERIMENTAL BOTANY. 2016;67(16):4863–75.
MLA
Murphy, Evan, Lam Dai Vu, Lisa Van den Broeck, et al. “RALFL34 Regulates Formative Cell Divisions in Arabidopsis Pericycle During Lateral Root Initiation.” JOURNAL OF EXPERIMENTAL BOTANY 67.16 (2016): 4863–4875. Print.
@article{8174266,
  abstract     = {We describe the role of RALFL34 during early events in lateral root development, and demonstrate its specific importance in orchestrating formative cell divisions in the pericycle.In plants, many signalling molecules, such as phytohormones, miRNAs, transcription factors, and small signalling peptides, drive growth and development. However, very few small signalling peptides have been shown to be necessary for lateral root development. Here, we describe the role of the peptide RALFL34 during early events in lateral root development, and demonstrate its specific importance in orchestrating formative cell divisions in the pericycle. Our results further suggest that this small signalling peptide acts on the transcriptional cascade leading to a new lateral root upstream of GATA23, an important player in lateral root formation. In addition, we describe a role for ETHYLENE RESPONSE FACTORs (ERFs) in regulatingRALFL34 expression. Taken together, we put forward RALFL34 as a new, important player in lateral root initiation.},
  author       = {Murphy, Evan and Vu, Lam Dai and Van den Broeck, Lisa and Lin, Zhefeng and Ramakrishna, Priya and Van De Cotte, Brigitte and Gaudinier, Allison and Goh, Tatsuaki and Slane, Daniel and Beeckman, Tom and Inz{\'e}, Dirk and Brady, Siobhan M and Fukaki, Hidehiro and De Smet, Ive},
  issn         = {0022-0957},
  journal      = {JOURNAL OF EXPERIMENTAL BOTANY},
  keyword      = {GENE-EXPRESSION,FACTOR AGL15,CONSTITUTIVE EXPRESSION,TRANSCRIPTIONAL REPRESSION,NUCLEAR PROTEINS,FLORAL ORGAN ABSCISSION,AUXIN TRANSPORT,SMALL SIGNALING PEPTIDES,MADS-DOMAIN PROTEIN,RAPID ALKALINIZATION FACTOR (RALF),lateral root initiation,GATA23,ERF,Arabidopsis thaliana,IN-VIVO},
  language     = {eng},
  number       = {16},
  pages        = {4863--4875},
  title        = {RALFL34 regulates formative cell divisions in Arabidopsis pericycle during lateral root initiation},
  url          = {http://dx.doi.org/10.1093/jxb/erw281},
  volume       = {67},
  year         = {2016},
}

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