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Post-translational modifications drive plant cell differentiation

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Abstract

The complex plant body is created by means of an elaborate system that dictates the differentiation of cells with distinctive features as well as proper growth and development. We have reviewed the literature-reported experimental evidence for post-translational modifications (PTM)s that modulate plant differentiation. We found that phosphorylation, ubiquitination, glycosylation, acetylation, and methylation are associated with plant differentiation. Phosphorylation mediated by MAPK within cytoplasm and nucleus facilitates plant differentiation. Convergence between phosphorylation, ubiquitination, and deacetylation is displayed in transcription repressor complexes modulating stem daughter, germ cell, and leaf differentiation. Reversible phosphorylation and deubiquitination made the phosphorylation and ubiquitination of PIN auxin transporters which supported the precise PIN-mediated auxin transport dynamic. The participation of several PTM types during plant cell differentiation suggests a new layer in the plant cell differentiation process. Efforts to develop deep mass spectrometry-based PTM identification could facilitate deciphering the interconnection of the variety of PTMs in this field.

Key message

Comprehensive revision of post-translational modifications associated with plant differentiation yields several post-translational modifications linked with molecular and cellular mechanisms modulating plant cell differentiation. Post-translational modification-enrichment coupled to advanced proteomics provide the resource for further discovery in this plant differentiation new layer.

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Abbreviations

SHR:

Shortroot

TOM7:

Target of monopteros7

E2F:

E2 factor

DPB:

DP‐related genes

CDKA:

Cyclin-dependent kinase A

CycD3:

Cyclin-D3

SCF:

SKP1-CUL1-F-box

SKP2A:

S-Phase kinase-associated protein 2A

BASL:

Breaking of asymmetry in the stomatal lineage

SPCH:

Speechless

EPF1:

Epidermal patterning factor1

ERL1:

Erecta-Like1

HDAC:

Histone deacetylase

TPL/TPR:

Corepressors recruitment of topless/topless-related

WOX5:

Wuschel5

SPL:

Sporocytless

TIE1:

TPC Interactor containing EAR Motif Protein1

NFC103/MSI1:

MSI type nucleosome/chromatin assembly factor C/ Multicopy Suppressor of Ira1

SNL1/SIN3-like:

Swi-Independent3-Like1/Swi-Independent3-Like1

GEM:

GL2 expression modulator

PAS2:

Antiphosphatase Pasticcino2

DGL1:

Defective glycosylation1

GCS1:

α-Glucosidase1

mTOR:

Mammalian target of rapamycin

PP2A:

Protein phosphatase 2A

TAP46:

2A Phosphatase associated Protein46

DUB:

Deubiquitinating enzymes

VND7:

Vascular-related NAC Domain7

TMT:

Tandem mass tag

iTRAQ:

Isobaric tag for relative and absolute quantitation

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Acknowledgments

This work was supported by the National Council of Science and Technology (FS-1515 to Víctor M. Loyola-Vargas).

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Correspondence to Victor Aguilar-Hernández.

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The authors have declared no conflict of interest.

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Communicated by Manoj Prasad.

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Aguilar-Hernández, V., Brito-Argáez, L., Galaz-Ávalos, R.M. et al. Post-translational modifications drive plant cell differentiation. Plant Cell Tiss Organ Cult 143, 1–12 (2020). https://doi.org/10.1007/s11240-020-01908-0

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  • DOI: https://doi.org/10.1007/s11240-020-01908-0

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