Towards a hierarchical gene regulatory network underlying somatic embryogenesis.

Gene Regulatory Networks / genetics Gene Expression Regulation, Plant / genetics Indoleacetic Acids Chromatin Embryonic Development / genetics
arabidopsis chromatin accessibility hierarchical gene regulatory network regeneration somatic embryogenesis totipotency

Journal

Trends in plant science
ISSN: 1878-4372
Titre abrégé: Trends Plant Sci
Pays: England
ID NLM: 9890299

Informations de publication

Date de publication:
12 2022
Historique:
received: 07 02 2022
revised: 04 06 2022
accepted: 09 06 2022
pubmed: 10 7 2022
medline: 15 11 2022
entrez: 9 7 2022
Statut: ppublish

Résumé

Genome-editing technologies have advanced in recent years but designing future crops remains limited by current methods of improving somatic embryogenesis (SE) capacity. In this Opinion, we provide an update on the molecular event by which the phytohormone auxin promotes the acquisition of plant cell totipotency through evoking massive changes in transcriptome and chromatin accessibility. We propose that the chromatin states and individual totipotency-related transcription factors (TFs) from disparate gene families organize into a hierarchical gene regulatory network underlying SE. We conclude with a discussion of the practical paths to probe the cellular origin of the somatic embryo and the epigenetic landscape of the totipotent cell state in the era of single-cell genomics.

Identifiants

DOI: 10.1016/j.tplants.2022.06.002 PMID: 35810071
pubmed: 35810071
pii: S1360-1385(22)00154-6
doi: 10.1016/j.tplants.2022.06.002
pii:
doi:

Substances chimiques

Indoleacetic Acids 0
Chromatin 0

Types de publication

Journal Article Review Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

1209-1217

Informations de copyright

Copyright © 2022 Elsevier Ltd. All rights reserved.

Déclaration de conflit d'intérêts

Declaration of interests No interests are declared.

Auteurs

Fu-Xiang Wang (FX)

National Key Laboratory of Plant Molecular Genetics (NKLPMG), CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology (SIPPE), Chinese Academy of Sciences (CAS), 200032 Shanghai, PR China.

Guan-Dong Shang (GD)

National Key Laboratory of Plant Molecular Genetics (NKLPMG), CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology (SIPPE), Chinese Academy of Sciences (CAS), 200032 Shanghai, PR China; University of Chinese Academy of Sciences (UCAS), Shanghai 200032, PR China.

Jia-Wei Wang (JW)

National Key Laboratory of Plant Molecular Genetics (NKLPMG), CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology (SIPPE), Chinese Academy of Sciences (CAS), 200032 Shanghai, PR China; ShanghaiTech University, Shanghai 200031, PR China. Electronic address: jwwang@sippe.ac.cn.

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Classifications MeSH

questionsmedicales.fr › Phénomènes génétiques › Structures génétiques › Séquences d'acides nucléiques régulatrices › Réseaux de régulation génique › Towards a hierarchical gene regulatory network...
questionsmedicales.fr › Phénomènes génétiques › Régulation de l'expression des gènes › Régulation de l'expression des gènes végétaux › Towards a hierarchical gene regulatory network...
questionsmedicales.fr › Composés hétérocycliques › Composés hétérocycliques à cycles fusionnés › Composés hétérobicycliques › Indoles › Acides indolacétiques › Towards a hierarchical gene regulatory network...
questionsmedicales.fr › Phénomènes génétiques › Structures génétiques › Structures de chromosome › Chromatine › Towards a hierarchical gene regulatory network...
questionsmedicales.fr › Phénomènes physiologiques des appareils urinaire et reproducteur › Phénomènes physiologiques de la reproduction › Reproduction › Développement embryonnaire et foetal › Développement embryonnaire › Towards a hierarchical gene regulatory network...