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Optogenetics in Plants: Red/Far-Red Light Control of Gene Expression.
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Optogenetic tools to control gene expression have many advantages over the classical chemically inducible systems, overcoming intrinsic limitations of chemical inducers such as solubility, diffusion, and cell toxicity. They offer an unmatched spatiotemporal resolution and permit quantitative and
Chloroplast Structure and Starch Grain Accumulation in Leaves That Received Different Red and Far-Red Levels during Development.
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An important step in understanding influence of growth environment on carbon metabolism in plants is to gain a better understanding of effects of light quality on the photosynthetic system. Electron microscopy was used to study chloroplast ultrastructure in developing and fully expanded leaves of
Characteristics and Distribution of Potato Latent Carlavirus (Red LaSoda Virus) in North America.
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A carlavirus (code name RLSV and subsequently named potato latent carlavirus, PotLV) with serological and biological characteristics different from those of potato M carlavirus (PVM) and potato S carlavirus (PVS) was detected in the potato (Solanum tuberosum) cultivar Red LaSoda by the Scottish
Effects of selenate and red Se-nanoparticles on the photosynthetic apparatus of Nicotiana tabacum.
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Selenium (Se) is a natural trace element, which shifts its action in a relatively narrow concentration range from nutritional role to toxicity. Although it has been well established that in plants chloroplasts are among the primary targets, the mechanism of toxicity on photosynthesis is not well
First Report of Raspberry bushy dwarf virus on Red Raspberry and Grapevine in Slovenia.
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In 2002, severe vein yellowing and partial or complete yellowing of leaves was observed on some shoots of red raspberry (Rubus idaeus) cvs. Golden Bliss and Autumn Bliss. Sap of infected plants of cv. Golden Bliss was inoculated onto Chenopodium quinoa and Nicotiana benthamiana. Faint chlorotic
A red algal cyclophilin has an effect on development and growth in Nicotiana tabacum.
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In this study, an algal Cyp was introduced into plant to research the effect of the gene on growth and development. cDNA GjCyp-1 was isolated from the red alga (Griffithsia japonica), and a recombinant GjCyp-1 containing a CaMV35S promoter at the amino-terminus was constructed in Nicotiana tabacum.
The blue light signal transduction pathway is involved in anthocyanin accumulation in 'Red Zaosu' pear.
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UNASSIGNED
A conserved blue light sensing and transduction pathway contributes to blue light-induced anthocyanin accumulation in the peel of red pear. Peel color is an economically important characteristic that influences the appearance quality of red pear, whose red color is due to anthocyanin
Red clover necrotic mosaic virus infectious transcripts synthesized in vitro.
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The red clover necrotic mosaic dianthovirus (RCNMV) genome is split between two essentially nonhomologous ssRNAs of 3.9 kb (RNA-1) and 1.45 kb (RNA-2) which are each capped at the 5' terminus with m7GpppA. cDNA clones short of full length by several nucleotides at both termini have been generated to
Phytochrome B1-dependent control of SP5G transcription is the basis of the night break and red to far-red light ratio effects in tomato flowering.
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BACKGROUND
Phytochromes are dimeric proteins with critical roles in perceiving day length and the environmental signals that trigger flowering. Night break (NB) and the red to far-red light ratio (R:FR) have been used extensively as tools to study the photoperiodic control of flowering. However, at
Light- and Temperature-Induced Expression of an R2R3-MYB Gene Regulates Anthocyanin Biosynthesis in Red-Fleshed Kiwifruit.
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The R2R3 MYB genes associated with the flavonoid/anthocyanidin pathway feature two repeats, and represent the most abundant classes of MYB genes in plants; however, the physiological role and regulatory function of most R2R3 MYBs remain poorly understood in kiwifruit (Actinidia). Here,
The contribution of photosynthesis to the red light response of stomatal conductance.
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To determine the contribution of photosynthesis on stomatal conductance, we contrasted the stomatal red light response of wild-type tobacco (Nicotiana tabacum 'W38') with that of plants impaired in photosynthesis by antisense reductions in the content of either cytochrome b(6)f complex (anti-b/f
Red clover necrotic mosaic virus replication proteins accumulate at the endoplasmic reticulum.
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Red clover necrotic mosaic virus (RCNMV) encodes N-terminally overlapping proteins of 27 and 88 kDa (p27 and p88) known to be required for replication. Green fluorescent protein (GFP) fusions were used to visualize the location of p27 and p88 within Nicotiana benthamiana cells. GFP:p27 fusions
Isolation and characterization of an RNA-dependent RNA polymerase from Nicotiana clevelandii plants infected with red clover necrotic mosaic dianthovirus.
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A template-bound RNA polymerase was isolated from Nicotiana clevelandii plants infected with red clover necrotic mosaic dianthovirus (RCNMV) by differential centrifugation, solubilization with dodecyl beta-D-maltopyranoside, and chromatography on columns of Sephacryl S-400 and Q-Sepharose. Analysis
A New Host Diagnosed with a Strain of Sugarcane mosaic virus in Florida: Red-Veined Prayer Plant (Maranta leuconeura erythroneura).
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Prayer plants (Maranta spp.), which are indigenous to Brazil, are commercially produced in nurseries mainly to be sold as potted houseplants. However, in frost-free areas, they are also used as a ground cover. In March 2009, the Division of Plant Industry in Gainesville, FL received cuttings of
Detection of the movement protein of red clover necrotic mosaic virus in a cell wall fraction from infected Nicotiana clevelandii plants.
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The movement protein of red clover necrotic mosaic virus (RCNMV) was expressed in Escherichia coli as a fusion with a maltose-binding protein using the vector pMAL-cRI and used to produce an antiserum. The RCNMV movement protein was detected in a cell wall fraction obtained from infected Nicotiana
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