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

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

PROVIDER: PRJNA747911 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR15186100_1.fastq.gz	Fastqsanger.gz
	SRR15186100_2.fastq.gz	Fastqsanger.gz
	SRR15186101_1.fastq.gz	Fastqsanger.gz
	SRR15186101_2.fastq.gz	Fastqsanger.gz
	SRR15186102_1.fastq.gz	Fastqsanger.gz

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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.

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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.

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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.

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Marchantia polymorpha

Project description:Transcriptome analysis of antheridia of the liverwort, Marchantia polymorpha.

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A single JAZ repressor controls the jasmonate pathway in Marchantia polymorpha

Project description:JAZ genes are negative regulators of jasmonate responses with a dual function as repressors of transcription factors and co-receptors, together with COI1, of the hormone jasmonoyl-isoleucine (JA-Ile). This family has been mainly studied in angiosperms, where high gene redundancy hinders the characterization of a complete depletion of JAZ function. Moreover, the recent discovery that JA-Ile is not the sole COI1/JAZ ligand in land plants, as dn-OPDA is the bioactive ligand in Marchantia polymorpha, underscores the importance of studying JAZ co-receptors in bryophytes. Here we exploited the low gene redundancy of the liverwort Marchantia polymorpha to characterize the function of the single MpJAZ in this early-divergent plant lineage. We demonstrate that MpJAZ is the ortholog of AtJAZ and acts as a repressor of dinor-OPDA responses in Marchantia. Mpjaz mutants show a dwarf phenotype and severe developmental defects related to growth inhibition, consistent with a constitutive activation of the dinor-OPDA pathway and the overaccumulation of both dinor-OPDA and its precursor OPDA. The expression of AtJAZ3 in Mpjaz complements MpJAZ repressor function, indicating that JAZ function is conserved across land plants. However, AtJAZ3 is unable to form co-receptor complexes with MpCOI1 and dn-OPDA, which evidences that the Jas domain, and not only COI1, determines ligand specificity.

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Marchantia polymorpha

Project description:Salinity stress-responsive transcription factors in the liverwort Marchantia polymorpha

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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.

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Differential phosphoproteomics upon chitin-treatment in Marchantia polymorpha

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