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Marchantia polymorpha

ABSTRACT: Transcriptome analysis of KL-signaling mutants in Marchantia

PROVIDER: PRJDB11425 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	DRR284685_1.fastq.gz	Fastqsanger.gz
	DRR284685_2.fastq.gz	Fastqsanger.gz
	DRR284686_1.fastq.gz	Fastqsanger.gz
	DRR284686_2.fastq.gz	Fastqsanger.gz
	DRR284687_1.fastq.gz	Fastqsanger.gz

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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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Project description:To evaluate role of PRC2 on transcriptional regulation in bryophytes, we generated loss of function mutants of a Ez homolog in Marchantia polymorpha by CRISPR/Cas9 based mutagenesis. To avoid lethality of PRC2 knockout, we first mutate MpKNOX2 gene then additionally knocked MpEz1 out. Then we performed comparative transcriptome analyses using data obtained from Mpknox2 ez1 and Mpknox2.

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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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Functional conservation of jasmonate-related MYC transcription factors in Marchantia polymorpha

Project description:The lipid-derived phytohormone jasmonoyl-isoleucine (JA-Ile) regulates plant immunity, growth and development in vascular plants by activating genome-wide transcriptional reprogramming. In Arabidopsis, this is largely orchestrated by the master regulator MYC2 and related transcription factors (TFs). However, the TFs activating this pathway in basal plant lineages are currently unknown. We report the functional conservation of MYC-related TFs between the eudicot Arabidopsis thaliana and the liverwort Marchantia polymorpha, a plant belonging to one of the most basal land-plants lineages. Phylogenetic analysis suggests that MYC function first appeared in charophycean algae, and therefore predates the evolutionary appearance of any other jasmonate pathway component. Marchantia possesses two functionally interchangeable MYC genes, one in females and one in males. Similar to AtMYC2, MpMYCs showed nuclear localization, interaction with JAZ-repressors, and regulation by light. Phenotypic and molecular characterization of loss- or gain-of-function mutants demonstrated that MpMYCs are necessary and sufficient for the activation of the pathway in Marchantia, but unlike their Arabidopsis orthologs, do not regulate fertility. Our results show that despite 450 million years of independent evolution, MYCs are functionally conserved between bryophytes and eudicots. Genetic conservation in one of the most basal lineages suggests that MYC function existed in the common ancestor of land plants and evolved from a pre-existing MYC function in charophycean algae.

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H2A ubiquitination is essential for Polycomb Repressive Complex 1-mediated gene regulation in Marchantia polymorpha

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