Light effects on plants

Light-dependent activation of TCP4 by the GATA25 transcription factor promotes petiole and hypocotyl elongation in Arabidopsis thaliana

This study identifies GATA25 as a light-responsive transcription factor that activates TCP4 to promote petiole and hypocotyl elongation in Arabidopsis thaliana.

Photoperiodic Plasticity of Transcriptomic and Photosynthetic Rhythms in the Liverwort Marchantia polymorpha

This study investigates how photoperiod affects transcriptomic and photosynthetic rhythms in the liverwort Marchantia polymorpha, finding that short photoperiods increase rhythmic gene expression and alter circadian patterns.

Shoot to root transport of the HY5 transcription factor drives root developmental plasticity under neighbour shade.

This study shows HY5 transport from shoot to root mediates root developmental changes in response to neighbor shade.

Evolutionary co-option of the ancient protein AMBRA1 in plant photomorphogenesis

This study identifies AMBRA1 as a nuclear regulator in plants that represses photomorphogenesis by linking light availability to growth and metabolic pathways.

Diverse signaling proteins recruit RCC1-Like Domain proteins to the plasma membrane through a common structural framework.

The paper identifies the RLD BRX domain as a molecular platform for diverse protein interactions and shows its role in phototropism through the PKS-RLD module.

Local and distal signals drive cell-type-specific leaf responses during shade avoidance

The paper identifies how local and distal signals regulate cell-type-specific leaf responses to Far-Red light, revealing distinct transcriptional programs for differential and unidirectional growth.

Night-break photoperiod timing shapes growth trajectories, functional phenotype, and biomass partitioning in Cannabis sativa L. in a genotype-dependent manner

This study shows that night-break photoperiod timing affects Cannabis sativa growth, phenology, and biomass allocation, with genotype-dependent responses to continuous vs. pulsed treatments.

A photostable version of HY5 confers tolerance to proximity shade and improved defense responses in tomato

This study edits tomato HY5 to create a light-stable version that improves shade tolerance and disease resistance.

phyB photobodies display molecular memory, regulating light signaling transcriptional states through phase separation.

This study investigates phyB photobodies, showing they form molecular memory through phase separation, influencing light signaling and transcriptional states in plant cells.

Effects of spectral light quality on growth, photosynthetic pigments and bioactive compounds in Brassicaceae microgreens

This study evaluates how different LED light treatments affect growth, pigments, metabolites, and bioactive compounds in Brassicaceae microgreens, showing species-specific responses.

Repeated UV-C exposure alters gibberellin homeostasis and inhibits growth in Arabidopsis thaliana

This study shows that repeated UV-C exposure reduces gibberellin levels and growth in Arabidopsis thaliana by altering GA biosynthesis and catabolism genes.

Far-red timing uncovers cultivar-dependent yield and bolting responses in vertical-farm spinach (Spinacia oleracea L.)

This study shows that far-red light timing significantly affects spinach yield and bolting, with cultivar-specific responses, suggesting optimal timing and cultivar selection for vertical farming.

Functional specialization of the gibberellin receptor GIBBERELLIN-INSENSITIVE DWARF 1C in plant neighbour detection

The paper identifies GID1C as the primary GA receptor mediating neighbour-induced elongation in Arabidopsis, showing it regulates transcriptome changes and suppresses ICE1 to drive growth.

Light spectral quality alters glandular trichome architecture more strongly than cannabinoid accumulation in Cannabis sativa

This study shows that far-red light increases trichome stalk length in Cannabis sativa varieties, while light spectrum has modest effects on cannabinoid concentration and plant growth.

The TARGET OF RAPAMYCIN (TOR) kinase controls shade-mediated hypocotyl elongation responses in Arabidopsis

This study identifies the TOR complex 1 as a key regulator of shade-mediated hypocotyl elongation in Arabidopsis, showing its role in auxin-dependent growth responses and epidermal cell elongation.

Functional divergence of the repressors of photomorphogenesis SPA2 and SPA3 during Arabidopsis seedling deetiolation

This study investigates the functional divergence between SPA2 and SPA3 repressors during Arabidopsis seedling deetiolation, revealing that SPA2's instability under light counterbalances its strong repressor activity.

Non-canonical role of a PHOSPHATE1 HOMOLOG 2 in suppressing seedling photomorphogenesis via the TOC1-PIF4 module

This study identifies PHO1;H2 as a negative regulator of seedling photomorphogenesis by sequestering TOC1 and relieving PIF4 repression in Arabidopsis.

Internal sugar allocation in response to a shade signal is regulated by concerted action of auxin and sucrose

The paper shows that auxin and sucrose work together to regulate hypocotyl elongation in response to shade signals in plants.

Intragenic suppressor screen of YHB identifies novel and known loss-of-function alleles of Arabidopsis phytochrome B

The paper identifies loss-of-function alleles of the Arabidopsis phytochrome B variant YHB through an EMS mutagenesis screen, revealing key residues for structure-function relationships.

The segregase CDC48 integrates blue light and hormonal cues to regulate photomorphogenesis in Arabidopsis

This study shows CDC48A integrates blue light and gibberellin signaling through protein homeostasis to regulate photomorphogenesis in Arabidopsis.

Wavelength induced cultivar specific enrichment of essential amino acids and phenolics in Amaranthus tricolor

The paper investigates how different light wavelengths affect metabolite levels in two Amaranthus tricolor cultivars using GC-MS, finding cultivar-specific metabolic changes.

PHOTOTROPIN-mediated blue light signaling orients the asymmetry of Marchantia polymorpha spores

The paper shows blue light, via PHOTOTROPIN and NCH1, controls asymmetric cell division orientation in Marchantia polymorpha spores, establishing the first developmental axis.

bZIP63 misregulation affects growth and target gene expression under short-day photoperiods

This study shows that bZIP63 misregulation affects growth and gene expression under short-day photoperiods by linking SnRK1 signaling to the MDLM system.

CRY1 couples blue light dependent systemic acquired defense through NPR1 interaction and SnRK3.6-mediated translocation

This study shows CRY1 is essential for blue light-induced SAR in Arabidopsis through interaction with NPR1 and SnRK3.6-mediated translocation.

Arabidopsis GLK transcription factors interact with ABI4 to modulate cotyledon greening in light-exposed etiolated seedlings

This paper shows ABI4 inhibits GLK1 and GLK2 to limit Pchlide biosynthesis in dark-grown Arabidopsis seedlings, preventing phototoxicity upon light exposure.

Optimizing light environment enables speed breeding in forage legumes: physiological limits and generation time reduction in Medicago sativa and Medicago truncatula

This study optimizes light conditions to accelerate growth cycles in forage legumes, reducing generation time while maintaining seed viability in Medicago sativa and Medicago truncatula.

Beyond Peak Wavelength: Spectral Bandwidth of Blue and Red-Blue Laser Diodes (LDs) Reprograms Photosynthesis, Canopy Architecture, Senescence, and Whole-Plant Growth

This study shows that spectral bandwidth of blue and red-blue light affects photosynthesis, canopy structure, senescence, and plant growth in different species.

NT-C2-Dependent Phosphoinositide Binding Controls PLASTID MOVEMENT IMPAIRED1 Localization and Function

This study identifies the NT-C2 domain as critical for PMI1 membrane association and function in chloroplast movement, showing its interaction with phosphoinositides and modulation by calcium.

Pre-anthesis light signaling of sheathed embryonic barley inflorescences defines floral fate

This study investigates the role of pre-anthesis light signaling in barley inflorescences, showing that light-dependent chlorophyll accumulation (PEIG) is critical for floral survival and pollen viability.

Alternative splicing of PIF4 regulates plant development under heat stress

This study identifies alternative splicing of PIF4 as a regulatory mechanism that modulates plant development under heat stress.