Dataset Information

Auxin-triggered changes in the Arabidopsis root tip (phospho)proteome reveal novel root growth regulators

ABSTRACT: Canonical auxin signalling starts with auxin binding to the receptor complex, followed by modulation of gene transcription and protein abundance (Tan et al., 2007; Chapman and Estelle, 2009; Slade et al., 2017). However, recent studies also showed an alternative mechanism in roots involving intra-cellular auxin perception, but not transcriptional reprogramming (Fendrych et al., 2018). Despite knowledge on effects of auxin on Arabidopsis root growth at the protein and phosphorylation level is increasing (Zhang et al., 2013; Mattei et al., 2013; Slade et al., 2017), it still remains incomplete. To address this gap in our knowledge, we explored the impact of auxin on the root tip proteome and phosphoproteome.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Arabidopsis Thaliana (mouse-ear Cress)

TISSUE(S): Plant Cell, Root

SUBMITTER: Cassio Flavio Fonseca de Lima

LAB HEAD: Ive De Smet

PROVIDER: PXD021267 | Pride | 2021-09-09

REPOSITORIES: Pride

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Publications

The Arabidopsis Root Tip (Phospho)Proteomes at Growth-Promoting versus Growth-Repressing Conditions Reveal Novel Root Growth Regulators.

Nikonorova Natalia N Murphy Evan E Fonseca de Lima Cassio Flavio CF Zhu Shanshuo S van de Cotte Brigitte B Vu Lam Dai LD Balcerowicz Daria D Li Lanxin L Kong Xiangpei X De Rop Gieljan G Beeckman Tom T Friml Jiří J Vissenberg Kris K Morris Peter C PC Ding Zhaojun Z De Smet Ive I

Cells 20210702 7

Auxin plays a dual role in growth regulation and, depending on the tissue and concentration of the hormone, it can either promote or inhibit division and expansion processes in plants. Recent studies have revealed that, beyond transcriptional reprogramming, alternative auxin-controlled mechanisms regulate root growth. Here, we explored the impact of different concentrations of the synthetic auxin NAA that establish growth-promoting and -repressing conditions on the root tip proteome and phosphop ...[more]

PMID: 34359847

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			Action	DRS
	EXT-888raw.zip	Other
	PSB-888results.zip	Other
	Phosphoraw.zip	Other
	Phosphoresults.zip	Other
	checksum.txt	Txt