Light effects on plants

Arabidopsis EARLY FLOWERING 4 recruits EARLY FLOWERING 3 to the nucleus to facilitate gene repression

This study shows ELF4 recruits ELF3 to the nucleus at dusk, enhancing its gene repression activity in Arabidopsis hypocotyls and roots.

A blue light receptor CRY1 regulates de novo shoot regeneration

This paper shows that CRY1 promotes shoot regeneration in Arabidopsis by suppressing ARF3-mediated salicylic acid signaling, linking blue light perception to hormonal regulation.

Kinetic 13CO2 mapping revealed distinct light-dark metabolic transition phenotypes in Brassica napus seedlings under visible and UV-B light

This study uses 13CO2 tracing to compare metabolic transitions in Brassica napus seedlings under visible and UV-B light, revealing distinct carbon assimilation and biosynthesis patterns during light-to-dark transitions.

Comprehensive analysis of proteins associated with light responses and stress tolerance in the gametophyte of the fern Dryopteris affinis ssp. affinis

This study identifies 1,160 proteins in the gametophyte of Dryopteris affinis ssp. affinis associated with light responses, transport, and stress tolerance, providing insights into molecular mechanisms of adaptation.

Salt stress disrupts local auxin and COP1 gradients in Arabidopsis apical hooks

This paper shows that salt stress disrupts auxin and COP1 gradients in Arabidopsis apical hooks, impairing hook formation and seedling emergence.

A BBX-HY5 photomorphogenic module induces anthocyanin synthesis in purple tomato fruits

This study identifies two BBX transcription factors that regulate anthocyanin synthesis in purple tomatoes through both HY5-dependent and independent mechanisms.

Cryptochrome 2 is necessary for promoting a blue light-independent chloroplast signal to control cellular degradation

This paper shows that cryptochrome 2 (CRY2) promotes chloroplast degradation and programmed cell death via a blue light-independent pathway, uncoupling 1O2 signaling from cellular stress responses.

Proximity proteomics reveals the molecular architecture of phytochrome B photobodies in Arabidopsis thaliana

The paper uses proximity proteomics to identify proteins associated with phyB photobodies in Arabidopsis thaliana, revealing HOP1's role in photomorphogenesis.

Multi-Omics Meta-Analysis Provides Insights into Reversible Phosphorylation During Arabidopsis Skotomorphogenesis

The paper integrates multi-omics data from Arabidopsis thaliana to identify phosphorylation events and kinases involved in skotomorphogenesis.

PHYTOCHROME INTERACTING FACTOR 7 moderates the activity of phytochrome A in canopy shade conditions

The paper identifies PIF7 as a regulator of phyA function under canopy shade conditions, showing it suppresses phyA activity through nuclear accumulation and interaction with transport facilitators.

Mechanistic insight into the oligomerisation of Arabidopsis CRY1 and its inhibition by BIC1

This study reveals the molecular mechanism of Arabidopsis CRY1 activation and inhibition by BIC1 using time-resolved mass spectrometry and kinetic modeling.

A nuclear pore complex component HOS1 mediates UV-B light-induced UVR8 nuclear localization for activating HY5 cascade in Arabidopsis

This study identifies HOS1 as a nuclear pore complex component that mediates UV-B-induced UVR8 nuclear import, enabling HY5 activation in Arabidopsis.

BBX transcription factor evolution in the green plant lineage

This study investigates the evolutionary history of BBX transcription factors across green plants, identifying structural groups, domain dynamics, and lineage-specific innovations.

PIF4-mediated regulation of H2O2 homeostasis controls Arabidopsis seedling thermomorphogenesis

This study identifies PIF4 as a regulator of H2O2 homeostasis that controls hypocotyl elongation in Arabidopsis seedlings under high temperature.

ZmCRY1s interact with GL2 in a blue light dependent manner to regulate epidermal wax composition in Zea mays

This study investigates the role of ZmCRY1s in mediating blue light regulation of epidermal wax composition and UV-B stress tolerance in maize.

Transcriptional response to warm temperatures is confounded by organ-specificity

The paper shows that whole seedling transcriptomic data in Arabidopsis thaliana is confounded by organ-specific responses to warmth, with ~70% of DEGs not being organ-specific.

Arabidopsis thaliana Phytochrome A Sensory Properties in Canopy Shade

This study quantifies phyA dynamics in Arabidopsis under canopy shade conditions and identifies its role in promoting seedling adaptation to moderate shade.

Loss-of-Function RUP-Variants Influence Ubiquitin-Proteasome System and Enhance Carotenoid and Folate Levels in Tomato

This study shows that loss-of-function RUP variants in tomato enhance carotenoid and folate levels while affecting the ubiquitin-proteasome system and metabolic homeostasis during fruit ripening.

Episodic Positive Selection Signatures in Arabidopsis CONSTANS-like Genes COL3 and COL5 Indicating Adaptive Evolution in Red-Light Signaling Pathways

This study identifies episodic positive selection in Arabidopsis COL3 and COL5 genes, showing adaptive evolution in red-light signaling pathways through specific amino acid substitutions.

A tomato line hyposensitive to simulated proximity shade shows altered auxin-related 1 gene expression and improved fruit yield under high-density field conditions

The paper identifies a tomato genotype (IL2-2) that shows improved fruit yield under high-density conditions despite altered auxin-related gene expression in response to simulated shade.

WDL4 is a microtubule associated protein required for phytochrome B dependent thermomorphogenesis

This study identifies WDL4 as a microtubule-associated protein essential for PhyB-dependent thermomorphogenesis and photomorphogenesis in plants.

High-Precision Lighting for Plants: Laser Diodes Outperform LEDs in Photosynthesis and Plant Growth

This study compares red laser diodes (LDs) and LEDs for plant growth, finding LDs enhance photosynthesis and biomass in tobacco and Arabidopsis.

PHYTOCHROME INTERACTING FACTORS are required to coordinate microtubule dynamics and differential cell growth during Arabidopsis apical hook opening

The paper identifies PIF transcription factors as regulators of microtubule dynamics and differential cell growth during Arabidopsis apical hook opening.

Arbor function of TRANSPARENT TESTA GLABRA 1 and LIGHT REGULATED WD scaffold proteins in the Arabidopsis circadian oscillators includes transcriptional repression through PSEUDO RESPONSE REGULATORS

The paper identifies a continuous role of TLWD scaffold proteins in Arabidopsis circadian oscillators, showing their involvement in both transcriptional activation and repression through interactions with PRR family repressors.

The Characteristic Timescales of the Arabidopsis thaliana Metabolism and the Phenotypic Effects of Forcing Them

This study applies sub-circadian oscillatory light forcing to Arabidopsis thaliana, revealing characteristic timescales and significant phenotypic effects on growth and development.

Early seedling development in dark conditions is directly controlled by plastids through the GUN1-dependent plastid retrograde pathway

This study shows that plastids directly control early dark growth in seedlings through the GUN1-dependent retrograde pathway, independent of mitochondria and photosynthesis.

The beginnings of light-dependent nuclear relocation in land plants

This study shows that light-dependent nuclear relocation in land plants evolved in the common ancestor of land plants and diverged during evolution, with similar but less stable responses observed in liverworts compared to Arabidopsis.

Green Conversations: Harnessing Plant Communication to control growth light intensity.

The paper develops a real-time plant bio-feedback system to optimize light intensity, increasing yield and reducing energy use in controlled environment agriculture.

Hypocotyl Development in Arabidopsis and other Brassicaceae Displays Evidence of Photoperiodic Memory

The paper investigates photoperiodic memory in Arabidopsis and Brassicaceae, finding that hypocotyl elongation is influenced by past photoperiod exposure and involves phyB and ELF3, but not the circadian clock.

Time course metabolomics and 13CO2 mapping establish BBX31/miP1b mediated metabolic readjustments conferring UV-B tolerance in Arabidopsis

This study identifies BBX31/miP1b-mediated metabolic changes in Arabidopsis under UV-B stress using metabolomics and 13CO2 tracing, showing increased phenylalanine and other protective metabolites.