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The wound activated ERF15 transcription factor drives Marchantia polymorpha regeneration by activating an oxylipin biosynthesis feedback loop

ABSTRACT: The wound activated ERF15 transcription factor drives Marchantia polymorpha regeneration by activating an oxylipin biosynthesis feedback loop

PROVIDER: PRJNA807709 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18054067.fastq.gz	Fastqsanger.gz
	SRR18054068.fastq.gz	Fastqsanger.gz
	SRR18054069.fastq.gz	Fastqsanger.gz
	SRR18054070.fastq.gz	Fastqsanger.gz
	SRR18054071.fastq.gz	Fastqsanger.gz

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The wound activated ERF15 transcription factor drives Marchantia polymorpha regeneration by activating an oxylipin biosynthesis feedback loop

Project description:The regenerative potential in response to wounding varies largely along species. Within the plant lineage, the liverwort Marchantia polymorpha displays an extraordinary regeneration capacity. However, its molecular pathways controlling the initial regeneration response post wounding is currently unknown. In Arabidopsis, the transcription factor ETHYLENE RESPONSE FACTOR 109 (ERF109) plays an essential role in tissue regeneration. Here, we demonstrate that the Marchantia MpERF15 transcription factor gene represents a functional ortholog of ERF109, being instantly activated following wounding and being essential for gemmaling regeneration following tissue incision. MpERF15 is a downstream target of the MpCOI1 oxylipin receptor, but differently from Arabidopsis ERF109 its wound responsiveness is COI1 independent. At the other hand, and again differently from ERF109, MpERF15 drives oxylipin biosynthesis by controlling the upstream MpAOS2 and MpAOC biosynthesis genes. The resulting rise in the oxylipin dnOPDA levels results in an increase in gemma cell number and apical notch organogenesis, giving rise to highly disorganized and compact thalli. Our data pinpoint MpERF15 as a key factor activating an oxylipin biosynthesis amplification loop following wounding that eventually results in re-activation of cell division and regeneration, and suggest that the genetic networks controlling oxylipin biosynthesis in response to wounding might have been reshuffled over evolution.

2022-02-19 | GSE196912 | GEO

Analysis of local and systemic wound response in Marchantia polymorpha

Project description:Transcriptional profiling of Marchantia polymorpha Takaragaike-1 wild-type genotype, in samples from intact plants (NW, non-wounded) and from wounded plants, both in locally damaged tissue (W, wounded) and in systemic non-wounded tissues of the damaged plants (SD, systemic tissues of damaged plants)

2024-04-22 | GSE250354 | GEO

High-light stress RNA-seq Marchantia polymorpha

Project description:In order to elucidate the role of the single Marchantia B-GATA ortholog in response to high light intensities, a transcriptomic analysis of Marchantia polymorpha BoGa, Mpb-gata1 mutants and MpB-GATA1ox under high-ligh stress conditions was performed.

2023-07-26 | GSE208562 | GEO

Transcriptome changes triggered by the loss of function of gene Mppcs in genome-edited Marchantia polymorpha plants

Project description:In the present study, Marchantia polymorpha Mppcs loss of function mutants were generated through CRISPR/cas9 mediated genome-editing. To assess whether the knockout of MpPCS gene affects the transcription of M. polymorpha nuclear genes in unstressed condition, the Mppcs-2 knockout mutant and Cam2 wild-type transcriptomes were compared by RNA-Seq.

2022-08-29 | E-MTAB-11885 | biostudies-arrayexpress

DE-ETIOLATED1 has a role in the circadian clock of the liverwort Marchantia polymorpha

Project description:Identification of genes with circadian rhythm in the liverwort Marchantia polymorpha subsp. ruderalis

2021-07-21 | GSE180340 | GEO

Conservation of antiviral defences in the non-vascular plant Marchantia polymorpha

Project description:Most of our current knowledge about the molecular events ruling plant-virus interaction come from studies focusing on vascular plants. We here characterized the molecular, cellular and physiological events goberning plant-virus interactions in the non-vascular liverwort Marchantia polymorpha.

2024-08-16 | GSE241827 | GEO

Differential phosphoproteomics upon chitin-treatment in Marchantia polymorpha

Project description:Pattern-recognition receptor (PRR)-triggered immunity (PTI) plays a pivotal role in plant immunity to ward off a wide range of pathogenic microbes. The model liverwort Marchantia polymorpha is gaining popularity in investigating the evolution of plant-microbe interactions. The M. polymorpha is capable of triggering defense-related gene expression by sensing components in bacterial and fungal extracts, suggesting existence of PTI in this plant model. However, the molecular components that would form PTI in M. polymorpha have not yet been described. We show that, in M. polymorpha, lysin motif (LysM) receptor-like kinase (LYK) MpLYK1 and LYK-related (LYR) MpLYR, among four LysM receptor homologs, are required for sensing chitin and peptidoglycan (PGN) fragments and thereby triggering a series of immune responses. Phosphoproteomic analysis of M. polymorpha in response to chitin treatment comprehensively identified regulatory proteins that would shape LysM-mediated PTI. The identified proteins covered homologs of well-described PTI components in angiosperms as well as proteins whose roles in PTI are not yet determined including the blue-light receptor phototropin MpPHOT. We revealed that MpPHOT is required for a negative feedback of defense-related gene expression during PTI. Taken together, this study provides the basic framework of LysM-mediated PTI in M. polymorpha and demonstrates the utility of M. polymorpha as a plant model for discovering novel or fundamental molecular mechanisms underlying PRR-triggered immune signaling in plants.

2023-08-24 | PXD038903 | Pride

Differential phosphoproteomics upon chitin-treatment in Marchantia polymorpha

2023-11-06 | PXD042084 | Pride

5-methyl cytosine profile of the wild type and Mpmet mutant in Marchantia polymorpha

Project description:To understand a role of MpMET in maintenance of cytpsine methylation and transposon silencing, we obtained a genome wide profile of 5-methylated cytosine from the Mpmet mutant of a model liverwort, Marchantia polymorpha.

2023-09-21 | GSE234851 | GEO

Marchantia polymorpha

Project description:Marchantia polymorpha metabolome analysis

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