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The land plant-specific MIXTA-MYB lineage is implicated in the early evolution of the plant cuticle and the colonization of land

ABSTRACT: The land plant-specific MIXTA-MYB lineage is implicated in the early evolution of the plant cuticle and the colonization of land

PROVIDER: PRJNA649703 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12351419.fastq.gz	Fastqsanger.gz
	SRR12351420.fastq.gz	Fastqsanger.gz
	SRR12351421.fastq.gz	Fastqsanger.gz
	SRR12351422.fastq.gz	Fastqsanger.gz
	SRR12351423.fastq.gz	Fastqsanger.gz

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The land plant-specific MIXTA-MYB lineage is implicated in the early evolution of the plant cuticle and the colonization of land

Project description:We studied gene expression changes in MIXTA-MYB overexpression and knock-out lines compared to the wild type.

2021-12-31 | GSE155419 | GEO

Land plant-specific H3K27 methyltransferases ATXR5 and ATXR6 control plant development and stress responses [Rice RNA-seq]

Project description:The colonization of land by plants relies on numerous evolutionary innovations crucial for terrestrial adaptation. These include advances in sexual reproduction and the ability to properly respond to various environmental stresses, which involve precise control of their regulatory genes. A notable genetic innovation in land plants is the emergence of histone lysine methyltransferases ATXR5/6, which specifically catalyse the repressive histone H3 lysine 27 monomethylation (H3K27me1). However, the evolutionary reason for land plants to develop these enzymes remains unclear. In this study, we investigate the importance of ATXR5/6 by generating strong atxr5;axtr6 double mutants in Arabidopsis. Our results show that ATXR5/6 are essential for plant reproductive development and play a critical role in supporting normal plant growth by repressing the transcription of stress responsive genes. In addition, ATXR5/6 are necessary for maintaining H3K27 trimethylation (H3K27me3), likely by providing H3K27me1 as a substrate for further methylation. We also demonstrate that the function of ATXR5/6 in regulating reproductive development and responsive genes is conserved in the monocot rice. We propose that land plants may have evolved ATXR5/6 to assist in the transcriptional regulation necessary for terrestrial adaptation

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Land plant-specific H3K27 methyltransferases ATXR5 and ATXR6 control plant development and stress responses [Arabidopsis RNA-seq]

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Land plant-specific H3K27 methyltransferases ATXR5 and ATXR6 control plant development and stress responses [H3K27me3 ChIP-seq]

2024-11-07 | GSE278502 | GEO

Batis mixta

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Phylogenetic Survey of Land Plant microRNAs

Project description:This experiment probed for the presence of known Arabidopsis and rice microRNAs in total RNA samples derived from species representative of the major groups of land plants: Eudicots (Arabidopsis thaliana, Nicotiana benthamiana), monocots (Oryza satica, Triticum aestivum), magnoliids (Liriodendron tulipifera), gymnosperms (Pinus resinosa), ferns (Ceratopteris thalictroides), lycopods (Selaginella uncinata), and mosses (Polytrichum juniperinum). In most cases two technical or biological replicates were performed.

2005-05-01 | E-MEXP-293 | biostudies-arrayexpress

Aeshna mixta

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Contribution of NAC transcription factors to plant adaptation to land

Project description:The development of cells specialized for water conduction or support is a striking innovation of plants that has enabled them to colonize land. The NAC transcription factors regulate differentiation of these cells in vascular plants. However, the path by which plants with these cells have evolved from those of their non-vascular ancestors is unclear. We investigated genes of the moss Physcomitrella patens that encode NAC proteins. Loss-of-function mutants formed abnormal water-conducting and supporting cells, and overexpression induced ectopic differentiation of water-conducting-like cells. Our results show conservation of transcriptional regulation and cellular function between moss and Arabidopsis water-conduction cells. The conserved genetic basis suggests roles for NAC proteins in the adaptation of plants to land. Note: All samples in SRA were assigned the same sample accession (DRS013839). This is incorrect as there are different samples, hence “Source Name” was replaced with new values. Comment[ENA_SAMPLE] contains the original SRA sample accessions.

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