Results 41 to 50 of about 4,018 (189)

Upregulation of GLRs expression by light in Arabidopsis leaves

open access: yesBMC Plant Biology, 2022
Background Glutamate receptor-like (GLR) channels are plant homologs of iGluRs, animal ionotropic glutamate receptors which participate in neurotransmission. GLRs mediate plant adaptive processes and photomorphogenesis.
Anna Hebda   +5 more
doaj   +1 more source

Opto-CD28-REACT: optogenetic co-stimulatory receptor activation on non-engineered human T cells

open access: yesFrontiers in Immunology
T-cell activation is a highly regulated process requiring both antigen recognition via the T-cell receptor (TCR) and co-stimulatory signaling, notably through the co-stimulatory receptor CD28. Here, we introduce an optogenetic platform for reversible and
Anna K. Ehret   +24 more
doaj   +1 more source

Diterpenoid Diversity across Land Plants

open access: yesHelvetica Chimica Acta, EarlyView.
Here we bridge the knowledge of diterpene chemical diversity, biosynthesis, and evolution from nonvascular mosses and liverworts to that known from vascular plants. ABSTRACT The diverse array of diterpenoid natural products stems from the ease of manipulating the promiscuity of diterpene cyclases.
Anita Berg   +2 more
wiley   +1 more source

Protein control of photochemistry and transient intermediates in phytochromes

open access: yesNature Communications, 2022
Phytochromes are photoreceptors responsible for sensing light in plants, fungi and bacteria. Here the authors use computational simulations to reveal the molecular mechanism of photoactivation and characterize the involved reaction intermediates.
Giacomo Salvadori   +5 more
doaj   +1 more source

Integrating tunable LED‐induced plant responses with novel solar cell technologies for energy‐efficient agrivoltaic systems

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
The increasing demand for sustainable food production requires innovative solutions that balance productivity, resource efficiency, and environmental impact. Vertical Farming Systems (VFSs) offer a promising approach; however, their high energy consumption remains challenging.
Alessio Dessì   +11 more
wiley   +1 more source

Light and gravity signals synergize in modulating plant development

open access: yesFrontiers in Plant Science, 2014
Tropisms are growth-mediated plant movements that help plants to respond to changes in environmental stimuli. The availability of water and light, as well as the presence of a constant gravity vector, are all environmental stimuli that plants sense and ...
Joshua P. Vandenbrink   +3 more
doaj   +1 more source

Studies on phytochrome. Some properties of electrophoretically pure phytochrome [PDF]

open access: yesBiochemical Journal, 1970
1. Phytochrome was purified from etiolated oat (Avena sativa) seedlings either by gel-filtration chromatography and ion-exchange chromatography or by gel-filtration chromatography and calcium phosphate chromatography. Differences were observed in the spectral properties of phytochrome isolated by the two methods. 2.
T S, Walker, J L, Bailey
openaire   +2 more sources

Activatable smart contrast agents for photoacoustic imaging

open access: yesSmart Molecules, EarlyView.
This review highlights recent advances in smart activatable photoacoustic imaging (PAI) contrast agents, which dynamically modulate their optical properties in response to external stimuli or microenvironmental cues. It discusses their molecular design, activation mechanisms, biomedical applications, and future prospects for clinically tailored use ...
Donghyeon Oh   +5 more
wiley   +1 more source

Influence of phytochromes on microRNA expression, phenotype, and photosynthetic activity in A. thaliana phy mutants under light with different spectral composition

open access: yesPhotosynthetica, 2023
Light-induced changes in miRNAs, morphogenesis, and photosynthetic processes in phytochrome-deficient mutant plants grown under different light qualities were studied.
P. PASHKOVSKIY   +5 more
doaj   +1 more source

A novel water‐soluble near‐infrared fluorescent probe for monitoring viscosity fluctuations in plants and zebrafish under abiotic stresses

open access: yesSmart Molecules, EarlyView.
HJA‐MQ‐D exhibits a rapid and sensitive response to viscosity changes based on the twisted intramolecular charge transfer mechanism. Displaying near‐infrared emission and excellent water‐solubility, enabling imaging at the cellular and whole plant level.
Yixue Feng   +9 more
wiley   +1 more source

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