Plant Molecular Biology Research

Cell cycle-driven epigenetic resetting maintains stem cell fate for shoot branching

The paper shows that cell cycle progression in Arabidopsis stem cells maintains pluripotency by resetting epigenetic marks and silencing fate-determining genes through PRC2 recruitment.

Development of auxin reporters in oilseed rape (Brassica napus)

This study develops auxin reporters for oilseed rape to visualize and quantify auxin distribution and signaling during development and stress.

Endosperm secretion remodels the maternal seed coat

The paper shows that the endosperm supplies cell-wall-loosening proteins to the maternal seed coat, enabling maternal cell elongation and seed growth through a regulated secretory program.

Distinct nanoscale dynamics of growth receptor complexes link hormone perception to rapid cell wall remodeling

This study investigates how PSK and BR receptors dynamically reorganize at the nanoscale to differentially affect cell wall properties during plant growth.

Auxin and cytokinin antagonistically regulate Arabidopsis root distal stem cell fate through opposing pairs of HD-Zip II transcription factors

This study identifies CK as a proliferative input for Arabidopsis root distal stem cells, opposing IAA's repressive role through two HD-Zip II modules.

DELLA proteins modulate responsive and buffered transcriptional programs in Arabidopsis and rice roots under water limitation

This study shows DELLA proteins in Arabidopsis and rice roots modulate transcriptional responses to water limitation, with conserved function but species-specific outcomes.

mobileRNA: a tool for efficient analysis of mobile RNA molecules in multiple genomes.

The paper introduces mobileRNA, an R package that efficiently identifies mobile RNA molecules in grafted plants using merged genome alignment and simulated datasets.

Photosynthesis-derived carbon gates cell cycle activation to enable hormone-autonomous shoot regeneration

This study establishes a hormone-autonomous shoot regeneration assay in Arabidopsis and identifies photosynthesis-derived carbon as a key regulator of regeneration.

TFL1 homolog integrates temperature signals to control timing of developmental transitions in woodland strawberry

This study identifies FvTFL1 as a key regulator of temperature-responsive reproductive development in woodland strawberry, showing how it integrates temperature signals to control developmental timing.

A complex balance: PLETHORA - JANUS ratiometry explains the PLETHORA dosage regeneration paradox

The paper explains how the balance between PLETHORA protein complexes and unbound PLETHORA determines regenerative competence in Arabidopsis roots, revealing a ratiometric mechanism for transcription factor dosage.

Gene expression dynamics through time reveal low pleiotropy genes underlying local adaptation in silver birch (Betula pendula)

The paper identifies low pleiotropy genes underlying local adaptation in silver birch by analyzing temporal transcriptomic responses to photoperiod across populations.

Functional diversification of ERF transcription factors in land plants

This study investigates the functional diversification of ERF transcription factors across land plants using liverwort and Arabidopsis, revealing conserved and lineage-specific roles in development and stress responses.

The petal identity gene PhDEF has a major binding and regulatory action in the epidermis

The study shows PhDEF regulates different target genes in petal epidermis and mesophyll, with stronger regulatory action in the epidermis.

The FERONIA receptor kinase is required for high humidity responses in Arabidopsis

This study identifies FERONIA and LLG1 as critical regulators of Arabidopsis high humidity responses, including transcriptomic changes and leaf hyponasty.

Conserved molecular compatibility for MIZ1 function in cytokinin signaling in land plants

The paper investigates the evolutionary conservation and functional diversification of MIZ1-like proteins across land plants, finding conserved roles in cytokinin signaling but species-specific interactions.

Cytokinin regulates the gravitropic setpoint angle of seminal roots in barley and wheat

This study identifies cytokinin as a regulator of gravitropic setpoint angles in seminal roots of barley and wheat through transcriptomic and functional analyses.

The CUP-SHAPED COTYLEDON 2 - MIR164A regulatory feedback loop directs leaf morphogenesis

This study identifies a CUC2-MIR164A feedback loop that regulates leaf morphogenesis through dynamic gene expression control.

The cleaved C-terminal domain of GmERS1-1 modulates cell cycle via GmACR1

This study identifies a proteolytic processing mechanism of the soybean ethylene receptor GmERS1-1 that modulates cell cycle progression via interaction with GmACR1 and GmCDK7.

Conserved RGF1 peptide signaling regulates root meristem development through ROS in Arabidopsis and rice

This study shows that RGF1 peptide signaling via ROS regulates root meristem development in Arabidopsis and rice, with conserved function across dicots and monocots.

Jasmonate-induced expansion of the MYC2 cistrome occurs within a preconfigured chromatin landscape

This study defines the native MYC2 cistrome in Arabidopsis under basal and JA-induced conditions, showing that JA treatment expands MYC2 binding sites while chromatin accessibility remains largely unchanged.

Single-Cell Omics to Uncover Cell-Type-Specific Gene Regulatory Networks Driving Mucilage Production in Specialized Roots

This study uses single-cell RNA sequencing to identify gene regulatory networks in mucilage-producing roots across maize, sorghum, and Medicago truncatula, revealing shared and species-specific regulators.

Recurrent Hermaphroditism and Sex-Biased ABCDE Gene Expression Reveal Latent Floral Plasticity in the Pedunculate Oak Lineage (Q.robur s.l.)

The paper examines recurrent hermaphroditism in Quercus orocantabrica and finds sex-biased expression of floral homeotic genes, suggesting floral plasticity in oaks.

Stepwise evolution of the developmental and symbiotic functions of DELLA in land plants

The paper investigates the evolutionary conservation of DELLA protein functions in liverworts and finds GA-independent developmental roles are conserved, but DELLA is not involved in mycorrhizal symbiosis.

Multimodal single cell analysis reveals a link between flowering and leaf initiation

The paper uses single-cell sequencing to show that Id1 regulates flowering in maize by affecting chromatin remodeling and gene expression, with a genetic interaction between Id1 and Te1 that delays flowering.

Spatial metabolomics links polyamine turnover and vascular lipid remodeling to barley spikelet fate

The paper maps spatial metabolite distributions in barley inflorescences to link polyamine turnover and vascular lipid remodeling to spikelet fate.

Temporal TOC1-CLV3-WUS cascade controls organogenesis and rhythmic stem development

This study identifies a temporal TOC1-CLV3-WUS cascade that regulates shoot apical meristem activity and rhythmic stem development in plants.

Brassinosteroid receptors reveal conserved features of exon-embedded gene regulation

The paper identifies an exonic enhancer in the BRI1 gene that regulates its expression and development, showing that exon-encoded regulatory information is conserved across plant species.

A visualization framework for cell division activity and orientation in pre-anthesis ovaries of Prunus species

This study develops a visualization framework to analyze cell division activity and orientation in pre-anthesis ovaries of Prunus species, revealing spatial patterns linked to fruit development.

A Grass-Specific Structural Feature of Myosin VIII Regulates Protoxylem Development and Hydraulic Conductance in Sorghum

This study identifies HS1, a grass-specific myosin VIII, as critical for protoxylem development and hydraulic conductance in sorghum, linking actin-based motor activity to xylem structure and function.

Sugar metabolism drives shoot branching by repressing BRC1 through miR319-targeted TCP4 in Rosa.

This study identifies a miR319-TCP4-BRC1 regulatory module that links sugar metabolism to shoot branching in rose and Arabidopsis.