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Phytochrome (2):
Recent article
Phytochrome
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
| < More recent | Older article > |
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Molecular Ecology (19)13 2010
Abstract
We conducted a phylogeographic investigation based on four nuclear genes, including two phytochrome genes (PHYB and PHYE) using 155 samples of Arcterica nana from the entire range of the Japanese archipelago. Bayesian clustering revealed geographic differentiation between northern and southern Japan...
|
PMID: 20546133
PDF is available here.
PDF is available here.
Abstract
We still lack fundamental knowledge on the components of this signaling pathway. Here we show that phytochrome-interacting factor 1 (PIF1) and other transcription factors of the phytochrome-interacting factor (PIF) family down-regulate the accumulation of carotenoids by specifically repressing the g...
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PMID: 20534526
PDF is available here.
PDF is available here.
Abstract
We used single particle cryoelectron microscopy to determine the quaternary arrangement of the phytochrome dimer as Pr, using the bacteriophytochrome (BphP) from Deinococcus radiodurans. Contrary to the long-standing view that the two monomers are held together solely via their C-terminal region, we...
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PMID: 20534495
PDF is available here.
PDF is available here.
Abstract
We report that an unusual Bph, RpBphP3 from Rhodopseudomonas palustris, denoted P3, is fluorescent. This Bph modulates synthesis of light-harvesting complex in combination with a second Bph exhibiting classical photochemistry, RpBphP2, denoted P2. We identify the factors that determine the fluoresce...
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PMID: 20435909
PDF is available here.
PDF is available here.
Abstract
Abstract
The complete three-dimensional sensory module structures of the Pr ground state of Synechocystis 6803 Cph1 and the unusual Pfr ground state of the bacteriophytochrome PaBphP (PDB codes 2VEA and 3C2W respectively) have now been solved, revealing an asymmetrical dumbbell form made up of a PAS (Period/...
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PMID: 20298248
PDF is available here.
PDF is available here.
Abstract
The cyanobacterial phytochrome Cph1 can be photoconverted between two thermally stable states, Pr and Pfr. The photochemically induced Pfr --> Pr back-reaction has been followed at low temperature by magic-angle spinning (MAS) NMR spectroscopy, allowing two intermediates, Lumi-F and Meta-F, to be tr...
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PMID: 20205422
PDF is available here.
PDF is available here.
Abstract
We found in tomato (Solanum lycopersicum L.) that the apical hook curvature is exaggerated by light. Experiments with several tomato cultivars and phytochrome mutants, irradiated with red and far-red light either as a brief pulse (Rp, FRp) or continuously (Rc, FRc), revealed: the hook-exaggeration r...
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PMID: 20012088
PDF is available here.
PDF is available here.
Abstract
We describe the three-dimensional solution structure of the bilin-binding domain as Pfr, using the cyanobacterial phytochrome from Synechococcus OSB'. Contrary to predictions, light-induced rotation of the A pyrrole ring but not the D ring is the primary motion of the chromophore during photoconvers...
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PMID: 20075921
PDF is available here.
PDF is available here.
Abstract
We use resonance Raman intensity analysis to calculate the vibronic absorption profile of cyanobacterial phytochrome Cph1 and show that this shoulder feature is due simply to vibronic transitions from a single species, thus reflecting a homogeneous ground-state population....
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PMID: 19739629
PDF is available here.
PDF is available here.
Hereditas (Beijing) (31)7 2009
Abstract
Phytochrome 3 (PHY3) is a novel chimeric photoreceptor that can respond to both red/far red and blue light. Using this photoreceptor, some cryptogams could enhance light sensitivity under low light environment. But PHY3 sequence information is still extremely limited. In the present study, a full-le...
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PMID: 19586881
PDF is available here.
PDF is available here.
Abstract
We report here on the characterization of a putative Dof transcription factor gene in rice (Oryza sativa)--rice Dof daily fluctuations 1 (Rdd1). Daily oscillations in Rdd1 expression were retained after transferring to continuous dark (DD) or light (LL) conditions, indicating circadian regulation. H...
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PMID: 19210638
PDF is available here.
PDF is available here.
Abstract
Abstract
Phytochromes are widespread photoreceptors responsive to red and far-red light that exist in two photochromic forms Pr (inactive) and Pfr (active). The Pr --> Pfr conversion proceeds through a series of events initiated by Z-->E photoisomerization of the tetrapyrrole chromophore, believed to occur a...
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PMID: 19224036
PDF is available here.
PDF is available here.
Abstract
The photoreactions of recombinant phytochrome CphA from cyanobacterium Calothrix sp. PCC7601 reconstituted with phycocyanobilin were investigated using UV-Vis and Fourier transform infrared (FTIR) difference spectroscopy, stabilizing intermediates at low temperature. The yield of the forward reactio...
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PMID: 18764898
PDF is available here.
PDF is available here.
Journal of Physical Chemistry B (112)51 2008
Abstract
The UV-vis absorption spectra of the photoreceptor chromophores biliverdin (BV) in the ZZZssa conformation and the phycocyanobilin (PCB) with conformations ZZZssa and ZZZasa have been investigated by means of time-dependent density functional theory (TD-DFT) with a polarized continuum model. The thr...
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PMID: 19368024
PDF is available here.
PDF is available here.
Abstract
We detected strong longitudinal but not latitudinal clines in flowering responses. The presence of longitudinal clines suggests that critical photoperiod cues vary among populations occurring at similar latitudes. Haplotypes at PHYC, a locus hypothesized to play a role in adaptation to light cues, w...
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PMID: 18752603
PDF is available here.
PDF is available here.
Journal of Molecular Biology (383)2 2008
Abstract
We determined by NMR spectroscopy the first solution structure of the chromophore-binding cGMP phosphodiesterase/adenylcyclase/FhlA (GAF) domain from a cyanobacterial Phy assembled with phycocyanobilin (PCB). The three-dimensional NMR structure of Synechococcus OS-B' cyanobacterial Phy 1 in the red-...
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PMID: 18762196
PDF is available here.
PDF is available here.
Trends in Plant Science (13)11 2008
Abstract
To control many physiological responses, phytochromes directly modulate gene expression. A key regulatory event in this signal transduction pathway is the light-controlled translocation of the photoreceptor from the cytoplasm into the nucleus. Recent publications are beginning to shed light on the m...
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PMID: 18824397
PDF is available here.
PDF is available here.
Abstract
We have shown in a previous publication that the spectral properties of recombinant Agp2 are modified by compounds of the cell extract from an Agrobacterium agp1(-)/agp2(-) double knockout mutant. In the present work we performed concentration series which show that the interaction is specific and t...
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PMID: 18693034
PDF is available here.
PDF is available here.
Abstract
Both thermally stable states of phytochrome, Pr and Pfr, have been studied by (13)C and (15)N cross-polarization (CP) magic-angle spinning (MAS) NMR using cyanobacterial (Cph1) and plant (phyA) phytochrome sensory modules containing uniformly (13)C- and (15)N-labeled bilin chromophores. Two-dimensio...
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PMID: 18832155
PDF is available here.
PDF is available here.
Biochemical Journal (415)1 2008
Abstract
In higher plants, light is crucial for regulation of nitrate uptake, translocation and assimilation into organic compounds. Part of this metabolism is tightly coupled to photosynthesis because the enzymes involved, nitrite reductase and glutamate synthase, are localized to the chloroplasts and recei...
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PMID: 18778247
PDF is available here.
PDF is available here.
Annals of Botany (102)4 2008
Abstract
The results show that one group of loci act in a wide range of environmental scenarios, whereas a smaller group of loci are relevant only under a narrower set of conditions when the influence of the most-prevalent loci is reduced as a consequence of changes in the physiological status of the seeds....
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PMID: 18684732
PDF is available here.
PDF is available here.
Nature Materials (7)10 2008
Abstract
Abstract
We report the ground state structure of the complete sensory module of Cph1 phytochrome from the cyanobacterium Synechocystis 6803. Although the phycocyanobilin (PCB) chromophore is attached to Cys-259 as expected, paralleling the situation in plant phytochromes but contrasting to that in bacterioph...
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PMID: 18799745
PDF is available here.
PDF is available here.
Abstract
We report the crystal structure at 2.9 A resolution of a bacteriophytochrome from Pseudomonas aeruginosa with an intact, fully photoactive photosensory core domain in its dark-adapted Pfr state. This structure reveals how unusual interdomain interactions, including a knot and an "arm" structure near...
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PMID: 18799746
PDF is available here.
PDF is available here.
Abstract
I 700, is significantly slowed, making a detection of its rise possible....
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PMID: 18671352
PDF is available here.
PDF is available here.
Abstract
We use heteronuclear NMR to investigate the conformation and dynamics of the chromophore in the binding pocket of the cyanobacterial phytochrome Cph1. On the basis of distance information obtained from three-dimensional nuclear Overhauser enhancement (3D-NOESY) spectra using the photochemically inta...
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PMID: 18642805
PDF is available here.
PDF is available here.
Molecular Cell (31)4 2008
Abstract
We provide evidence that the light signaling repressors SPA proteins contribute to COP1-mediated phyA degradation and that a COP1/SPA1 protein complex is tightly associated with phyA ubiquitination activity. Furthermore, a phosphorylated phyA form accumulates in the nucleus and preferentially associ...
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PMID: 18722184
PDF is available here.
PDF is available here.
Abstract
The average, corrected attenuance spectra for both spectral forms of phytochrome in a mature leaf were calculated. Optical masking by chlorophyll together with the detour effect (optical path lengthening effect) due to multiple light scattering led to large changes in both the Qy band shape and wave...
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PMID: 18688507
PDF is available here.
PDF is available here.
Journal of Molecular Biology (380)5 2008
Abstract
We report the discovery of a novel cyanobacteriochrome, the green/red photoreceptor AnPixJ (All1069), isolated from the heterocyst-forming cyanobacterium Anabaena (Nostoc) sp. PCC 7120. Cyanobacteriochromes are a recently emerging tetrapyrrole-based photoreceptor superfamily that are distantly relat...
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PMID: 18571200
PDF is available here.
PDF is available here.
Journal of Biological Chemistry (283)30 2008
Abstract
We describe a novel pair of Phys from two thermophilic cyanobacteria, Synechococcus sp. OS-A and OS-B', that overcome several of these limitations. Like other cyanobacterial Phys, SyA-Cph1 and SyB-Cph1 covalently bind the bilin phycocyanobilin via their cGMP phosphodiesterase/adenyl cyclase/FhlA (GA...
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PMID: 18480055
PDF is available here.
PDF is available here.
Biochemistry (Washington) (47)27 2008
Abstract
We characterize the cyanobacteriochrome Tlr0924 from the thermophilic cyanobacterium Thermosynechococcus elongatus. Full-length Tlr0924 exhibits blue/green photoconversion across a broad range of temperatures, including physiologically relevant temperatures for this organism. Spectroscopic character...
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PMID: 18549244
PDF is available here.
PDF is available here.
Phytochemistry (69)10 2008
Abstract
We aimed to determine to what extent distinct oligosaccharidic signals are able to elicit overlapping responses, including the emission of volatile organic compounds which is mainly considered a typical mode of inducible indirect defence against herbivores. The model legume Medicago truncatula Gaert...
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PMID: 18534640
PDF is available here.
PDF is available here.
Plant Physiology (147)3 2008
Abstract
Carotenoids are essential for photosynthesis and photoprotection; they also serve as precursors to signaling molecules that influence plant development and biotic/abiotic stress responses. With potential to improve plant yield and nutritional quality, carotenoids are targets for metabolic breeding/e...
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PMID: 18508954
PDF is available here.
PDF is available here.
Abstract
Abstract
We isolated rice JASMONATE RESISTANT 1 (osjar1) mutants from the Tos17 mutant panel by BLAST search. In far-red and blue lights, osjar1 coleoptiles were longer if compared with the wild type (WT), indicating that OsJar1 participates in the suppression of coleoptile elongation in these light conditio...
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PMID: 18266905
PDF is available here.
PDF is available here.
Biophysical Journal (94)11 2008
Abstract
We suggest that iso-PCB-65 kDa-phy either interacts with the protein differently leading to a more twisted and/or less protonated configuration, or undergoes P(r) to P(fr) isomerization primarily via a different configurational pathway, largely circumventing I(700) as an intermediate. The isomerizat...
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PMID: 18199671
PDF is available here.
PDF is available here.
Plant Cell Online (20)6 2008
Abstract
We show that PIF1, the member with the highest affinity for phys, is strongly sensitive to the quality and quantity of light. phyA plays a dominant role in regulating the degradation of PIF1 following initial light exposure, while phyB and phyD and possibly other phys also influence PIF1 degradation...
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PMID: 18539749
PDF is available here.
PDF is available here.
Abstract
We cloned a pea Ran gene (PsRan1) and characterized its expression in tissues, and under different light sources. PsRan1 is a member of a highly homologous multigene family, and it encodes a protein containing plant-specific amino acids in its sequence. It is ubiquitously expressed in pea tissues wi...
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PMID: 18481083
PDF is available here.
PDF is available here.