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The cytochrome P450 enzyme MpCYP78E1 inhibits meristem initiation and activity in Marchantia polymorpha

ABSTRACT: The cytochrome P450 enzyme MpCYP78E1 inhibits meristem initiation and activity in Marchantia polymorpha

PROVIDER: PRJNA1254233 | ENA |

REPOSITORIES: ENA

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The cytochrome P450 enzyme MpCYP78E1 inhibits meristem initiation and activity in Marchantia polymorpha

Project description:Plant shoot branches are formed by the initiation and activation of generative centres known as meristems. In dichotomously branching plants, such as many bryophytes and lycophytes, new meristems are formed when a pre-existing meristem splits into two daughter meristems. These meristems may be active and produce shoot branches or may be inactive. Here, we show that a predictable pattern of active and inactive meristems develops along the thallus in the liverwort Marchantia polymorpha. In conditions where meristem inactivation occurs – such as simulated shade and older plants – one daughter meristem was active and produced a shoot branch, and the other daughter meristem was inactive after dichotomy. The position of the inactive meristem alternated between either side of the plant axis. Using this predictable pattern, we generated transcriptomes of active and inactive meristems. A comparison of these transcriptomes identified the cytochrome P450 monooxygenase, MpCYP78E1, as a novel regulator of meristem activity. MpCYP78E1 reporter expression was higher in active meristems than inactive meristems. More meristems were active in loss of function mutants than wild type, and fewer active meristems developed in gain of function mutants, indicating that MpCYP78E1 inhibits meristem activity. Furthermore, unlike wild type, Mpcyp78e1 loss of function mutants produced supernumerary meristems from the centre of the mature plant body. We conclude that MpCYP78E1 inhibits both meristem initiation and activity to modulate shoot branching architecture.

2025-04-28 | GSE295341 | GEO

Identification and developmental expression of the full complement of cytochrome P450 genes in zebrafish

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2010-10-21 | GSE24840 | 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

Identification and developmental expression of the full complement of cytochrome P450 genes in zebrafish

Project description:To determine the expression of cytochrome P450 genes during normal development Zebrafish embryos were collected at 3, 6, 12, 24, 36, and 48 hours post fertilization. Quadruplicate biological replicates of 100 embryos were hybridized.

2010-10-21 | E-GEOD-24840 | biostudies-arrayexpress

Arylhydrocarbon receptor and the cytochrome P450 enzyme CYP1B1 prevent exacerbation of allergic airway inflammation

Project description:Arylhydrocarbon receptor and the cytochrome P450 enzyme CYP1B1 prevent exacerbation of allergic airway inflammation

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Comparative transcriptomic analysis of Marchantia polymorpha BoGa and the MpB-GATA1 mutants Mpb-gata1-1 and Mpb-gata1-2

Project description:RNA-seq of Marchantia polymorpha Mpb-gata1 mutants was performed in order to investigate their molecular signature of gene expression changes.

2023-07-26 | GSE208557 | GEO

Fetal to adult ontogeny of human cytochrome P450 activity, abundance, and expression

Project description:Activity-based and global proteomic analysis of fetal through late adulthood human samples, with a primary focus on cytochrome P450 enzyme expression and functional activity

2018-10-24 | PXD002781 | Pride

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

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