Новости науки и практики // Октябрь 2025

A RALF-brassinosteroid signaling circuit regulates Arabidopsis hypocotyl cell shape

Biermann et al. reveal that loss of RALF–FERONIA–LLG1 signaling disrupts cell wall composition and morphology, increasing brassinosteroid signaling activity.

https://www.cell.com/...01186-8

Glycan recognition by a plant sentinel immune receptor

Jiménez-Sandoval et al. determine the structure of the multidomain receptor IGP1, showing how it binds the cellulose-derived DAMP cellotriose to trigger immunity.

https://www.biorxiv.org/...679030v1

VRN2-PRC2 facilitates light-triggered repression of PIF signaling to coordinate growth in Arabidopsis

Osborne et al. show that VRN2 represses PIF-regulated genes in the shoot apex via chromatin remodeling, preparing them for light-responsive inhibition of cell expansion.

https://www.cell.com/...00122-4

How do plant hormones facilitate plant survival in extreme environments?

A review in Trends in Plant Science redefines ten phytohormone groups, highlighting how hormonal networks help plants endure water stress, flooding, and other extremes.

https://phys.org/...extreme-environments.html

Localized glutamine leakage drives the spatial structure of root microbial colonization

Tsai et al. discover that the Casparian strip shapes bacterial patterning along roots through localized glutamine leakage at specific developmental zones.

https://www.science.org/...adu4235

Co-occurrence of chloroplastic ROS production and salicylic acid induction in plant immunity

Roussin-Léveillée et al. combine imaging and metabolomics to show that chloroplastic ROS production coincides with salicylic acid induction during immune activation.

https://nph.onlinelibrary.wiley.com/...70569

How a plant hormone helps roots bend and grow downward toward gravity

New work uncovers how auxin enables root bending and directional growth toward gravity, even when roots encounter soil obstacles.

https://www.science.org/...ady2320

Time-resolved reprogramming of single somatic cells into totipotent states during plant regeneration

Tang et al. show that LEC2 redirects stomatal-lineage cells into somatic embryo founder cells, revealing totipotency induction pathways in Arabidopsis.

https://www.cell.com/...01020-7

Coordination of cortex modifications in time, space, and under stress

This New Phytologist perspective outlines how cortical tissue modifications interact and compensate to enhance root stress tolerance.

https://nph.onlinelibrary.wiley.com/...70581

What are grana in chloroplasts of vascular plants good for?

A review summarizes current models of grana thylakoid architecture, formation forces, and their dynamic behavior in photosynthetic regulation.

https://academic.oup.com/...mcaf229

Diversification of functional requirements for proteolysis of Auxin Response Factors

de Roij et al. reveal conserved residues critical for ARF proteolysis and distinct developmental effects of impaired degradation among ARF classes.

https://www.biorxiv.org/...673984v1

Turning microalgae into a sustainable high-protein food solution

Researchers explore engineered microalgae as sustainable, high-protein sources to meet global food demand under climate change.

https://phys.org/...high-protein-food.html

Cereal plants absorb nanoplastics, initial lab trials suggest

Initial evidence shows cereal crops can take up nanoplastics from soil, raising concerns about particle transfer into the food chain.

https://phys.org/...nanoplastics-lab-trials.html

Biologists identify plant-specific protein essential for survival

Brookhaven scientists identify CB5LP, a plant-unique cytochrome b5-like protein essential for key metabolic processes.

https://www.science.org/...ady1719

Unexpected activity of metabolic compound helps decode plants' language of light

Researchers find a new light-responsive metabolic activity that modulates plant growth, expanding understanding of photomorphogenic signaling.

https://phys.org/...decode-language.html

Seed fatty acid composition and physical dormancy in fire-prone ecosystems

Study shows tissue-specific differences in seed fatty acids likely maintain coat impermeability; fire may favor higher FA content linked to dormancy traits.

https://academic.oup.com/...mcaf225