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ABSTRACT: Liverwort (Marchantia polymorpha) epigenome and cistrome

PROVIDER: PRJNA1043823 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR26909367_1.fastq.gz	Fastqsanger.gz
	SRR26909367_2.fastq.gz	Fastqsanger.gz
	SRR26909368_1.fastq.gz	Fastqsanger.gz
	SRR26909368_2.fastq.gz	Fastqsanger.gz
	SRR26909369_1.fastq.gz	Fastqsanger.gz

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

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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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Proteomic response of the early divergent liverwort Marchantia polymorpha during infection with the oomycete pathogen Phytophthora palmivora

Project description:Here, we define the proteomic response of the early divergent liverwort Marchantia polymorpha during infection with the oomycete pathogen Phytophthora palmivora. We sampled whole liverwort thalli that were mock-inoculated (water) or infected with P. palmivora zoospores at 4 and 8 days post inoculation (dpi). This analysis revealed the protein profiles of liverworts during the biotrophic (4 dpi) and necrotrophic (8 dpi) stages of pathogen infection. In combination with additional omics datasets, our analyses reveal conserved aspects in the molecular response to pathogen infection in liverworts and angiosperms.

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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.

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MiniTurbo-based interactomics of two plasma membrane-localized SNARE proteins in Marchantia polymorpha

Project description:• Marchantia polymorpha is a model liverwort and its overall low genetic redundancy is advantageous for dissecting complex pathways. Proximity-dependent in vivo biotin-labelling methods have emerged as powerful interactomics tools in recent years. However, interactomics studies applying proximity labelling are currently limited to angiosperm species in plants. • Here, we established and evaluated a miniTurbo-based interactomics method in M. polymorpha using MpSYP12A and MpSYP13B, two plasma membrane-localized SNARE proteins, as baits. • We show that our method yields a manifold of potential interactors of MpSYP12A and MpSYP13B compared to a co-immunoprecipitation approach. Our method could capture specific candidates for each SNARE. • We conclude that a miniTurbo-based method is a feasible tool for interactomics in M. polymorpha, potentially applicable to other model bryophytes. Our interactome dataset on MpSYP12A and MpSYP13B will be a useful resource to elucidate the evolution of SNARE functions.

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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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Project description:Fungal endophytes of the model liverwort Marchantia polymorpha

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