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cryptochrome/arabidopsis
L'enllaç es desa al porta-retalls
Pàgina 1 des de 330 resultats
Phototropins but not cryptochromes mediate the blue light-specific promotion of stomatal conductance, while both enhance photosynthesis and transpiration under full sunlight.
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Leaf epidermal peels of Arabidopsis (Arabidopsis thaliana) mutants lacking either phototropins 1 and 2 (phot1 and phot2) or cryptochromes 1 and 2 (cry1 and cry2) exposed to a background of red light show severely impaired stomatal opening responses to blue light. Since phot and cry are UV-A/blue
Temperature-dependent internode elongation in vegetative plants of Arabidopsis thaliana lacking phytochrome B and cryptochrome 1.
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Vegetative plants of Arabidopsis thaliana (L.) Heynh. form a compact rosette of leaves in which internode growth is virtually arrested. Rapid extension of the internodes occurs after flower buds are present in the reproductive apex. Under natural radiation, continuous light from fluorescent lamps,
Effects of Intentionally Treated Water on Growth of Arabidopsis thaliana Seeds With Cryptochrome Mutations.
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OBJECTIVE
A previous experiment suggested that consumption of intentionally treated tea influenced subjective mood under double-blind, controlled conditions. To investigate that effect objectively, again under double-blind, controlled conditions, we studied whether Arabidopsis thaliana seeds
The blue-light receptor cryptochrome 1 shows functional dependence on phytochrome A or phytochrome B in Arabidopsis thaliana.
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Blue-light responses in higher plants are mediated by specific photoreceptors, which are thought to be flavoproteins; one such flavin-type blue-light receptor, CRY1 (for cryptochrome), which mediates inhibition of hypocotyl elongation and anthocyanin biosynthesis, has recently been characterized.
Wheat cryptochromes: subcellular localization and involvement in photomorphogenesis and osmotic stress responses.
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Cryptochromes (CRYs) are blue light receptors important for plant growth and development. Comprehensive information on monocot CRYs is currently only available for rice (Oryza sativa). We report here the molecular and functional characterization of two CRY genes, TaCRY1a and TaCRY2, from the monocot
ATP boosts lit state formation and activity of Arabidopsis cryptochrome 2.
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Cryptochrome (cry) blue light photoreceptors have important roles in the regulation of plant development. Their photocycle includes redox changes of their flavin adenine dinucleotide (FAD) chromophore, which is fully oxidised in the dark state and semi-reduced in the signalling-active lit state. The
Photoexcited Cryptochrome 2 Interacts Directly with TOE1 and TOE2 in Flowering Regulation
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Cryptochromes are photolyase-like, blue-light photoreceptors found in various organisms. Arabidopsis thaliana cryptochromes (CRYs, CRY1, and CRY2) mediate many light responses including photoperiodic floral initiation. Cryptochromes interact with COP1 and SPA1, causing the stabilization of CONSTANS
N-terminal domain-mediated homodimerization is required for photoreceptor activity of Arabidopsis CRYPTOCHROME 1.
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Cryptochromes (CRY) are blue light receptors that share sequence similarity with photolyases, flavoproteins that catalyze the repair of UV light-damaged DNA. Transgenic Arabidopsis thaliana seedlings expressing the C-terminal domains of the Arabidopsis CRY fused to beta-glucuronidase (GUS) display a
Quantum effects in ultrafast electron transfers within cryptochromes.
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Cryptochromes and photolyases are flavoproteins that may undergo ultrafast charge separation upon electronic excitation of their flavin cofactors. Charge separation involves chains of three or four tryptophan residues depending on the protein of interest. The molecular mechanisms of these processes
The Potorous CPD photolyase rescues a cryptochrome-deficient mammalian circadian clock.
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Despite the sequence and structural conservation between cryptochromes and photolyases, members of the cryptochrome/photolyase (flavo)protein family, their functions are divergent. Whereas photolyases are DNA repair enzymes that use visible light to lesion-specifically remove UV-induced DNA damage,
Functional interaction of cryptochrome 1 and phytochrome D
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Arabidopsis thaliana wild-type and single, double and triple mutants lacking phytochrome A (phyA-201), phytochrome B (phyB-5), phytochrome D (phyD-1), phytochrome E (phyE-1), cryptochrome 1 (hy4-2.23n) and cryptochrome 2 (fha-1) were used to study the photoreceptor signal-transduction network. The
Photoactivation of cryptochromes from Drosophila melanogaster and Sylvia borin: insight into the chemical compass mechanism by computational investigation.
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Although behavioral studies demonstrated light-induced magnetoreception in the insect Drosophila melanogaster, gaining insight into the possibility that a radical-pair mechanism accounts for the magnetic response of the cryptochrome (DmCry1) is complicated by a number of factors. In addition, the
Opposing roles of phytochrome A and phytochrome B in early cryptochrome-mediated growth inhibition.
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The cryptochrome 1 (cry1) photoreceptor is responsible for the majority of the inhibitory effect of blue light on hypocotyl elongation, but phytochrome photoreceptors also contribute to the response through a phenomenon known as coaction. In Arabidopsis thaliana the participation of phytochromes A
HYPERSENSITIVE TO RED AND BLUE 1, a ZZ-type zinc finger protein, regulates phytochrome B-mediated red and cryptochrome-mediated blue light responses.
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Plant photoreceptors that regulate photomorphogenic development include red/far-red-light-absorbing phytochromes and blue/UV-A-light-absorbing cryptochromes. We have undertaken a genetic screen to identify additional components downstream of the photoreceptors in Arabidopsis thaliana. We identified
Hierarchical coupling of phytochromes and cryptochromes reconciles stability and light modulation of Arabidopsis development.
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In plants, development is a continuing process that takes place under strong fluctuations of the light environment. Here we show that in Arabidopsis thaliana plants grown under intense white light, coupling of the photoreceptor cryptochrome 2 to developmental processes is broader than previously
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