beta glucuronidase/تبغ

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A comparative analysis of green fluorescent protein and beta-glucuronidase protein-encoding genes as a reporter system for studying the temporal expression profiles of promoters.

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The assessment of activity of promoters has been greatly facilitated by the use of reporter genes. However, the activity as assessed by reporter gene is a reflection of not only promoter strength, but also that of the stability of the mRNA and the protein encoded by the reporter gene. While a stable

Rice Triosephosphate Isomerase Gene 5[prime] Sequence Directs [beta]-Glucuronidase Activity in Transgenic Tobacco but Requires an Intron for Expression in Rice.

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In rice (Oryza sativa L.), cytosolic triosephosphate isomerase (TPI) is encoded by a single gene. TPI catalyzes a vital step in glycolysis, and RNA blots showed that the tpi gene is expressed in all vegetative tissues (root, culm, and leaves) and in rice suspension cells. No effect of light on

Cell-to-cell movement of potato virus X revealed by micro-injection of a viral vector tagged with the beta-glucuronidase gene.

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The replication and cell-to-cell movement of potato virus X (PVX) has been studied using a PVX vector construct which expressed the beta-glucuronidase (GUS) reporter gene in infected cells. Nicotiana clevelandii leaf trichome cells were micro-injected with the PVX-GUS vector and histochemical

Use of the signal peptide of Pisum vicilin to translocate beta-glucuronidase in Nicotiana tabacum.

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A hybrid protein system was used for the study of protein transport in plant cells. A nucleotide sequence (vic) encoding a putative signal peptide of 15 amino acid residues, derived from the published aa sequence of one Pisum vicilin, was synthesized and fused in frame to the gus gene encoding a

Field performance and heavy metal concentrations of transgenic flue-cured tobacco expressing a mammalian metallothionein-beta-glucuronidase gene fusion.

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Cadmium (Cd) is a nonessential heavy metal that can cause acute and chronic illness in humans. Some plant species such as tobacco (Nicotiana tabacum L.) tend to accumulate high levels of Cd in leaf tissue, the consumed portion of the plant. Tissue-specific expression of mammalian metallothionein has

Expression of the [beta]-Glucuronidase Gene in Pollen of Lily (Lilium longiflorum), Tobacco (Nicotiana tabacum), Nicotiana rustica, and Peony (Paeonia lactiflora) by Particle Bombardment.

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A [beta]-glucuronidase (GUS) gene that is under the control of the anther-specific LAT52 promoter of tomato (Lycopersicon esculentum) and the nopaline synthetase polyadenylation terminator was successfully expressed in pollen of Lilium longiflorum, Nicotiana tabacum, Nicotiana rustica, and Paeonia

Sudan-β-d-glucuronides and their use for the histochemical localization of β-glucuronidase activity in transgenic plants.

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Synthesis of five different Sudan-β-D-glucuronides (I, II, III, IV, and RedB) was performed by condensation of a set of red Sudan diazo dyes with methyl (1-deoxy-2,3,4-tri-O-acetyl-1-trichloroacetimidoyl-α-D-glucopyran)uronate. After the acid and alcohol groups had been deprotected, the resulting

In vivo random beta-glucuronidase gene fusions in Arabidopsis thaliana.

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Vectors were constructed for the isolation of random transcriptional and translational beta-glucuronidase gene fusions in plants. This system is based on the random integration of the transferred DNA (T-DNA) into the plant nuclear genome. The Escherichia coli beta-glucuronidase coding sequence

Synthesis of a bifunctional metallothionein/beta-glucuronidase fusion protein in transgenic tobacco plants as a means of reducing leaf cadmium levels.

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Chimeric genes under the control of a CaMV 35S promoter with a doubled enhancer (35S2) that encode a mammalian metallothionein (hMTII), or an Escherichia coli beta-glucuronidase (GUS), or a hMTII/GUS fusion protein were introduced into the genome of tobacco (Nicotiana tabacum cv. PBD6). Transcripts

Analysis of the potential promoter sequences of African cassava mosaic virus by transient expression of the beta-glucuronidase gene.

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DNA fragments from promoter regions of the geminivirus, African cassava mosaic virus, were cloned into pG1, a vector based on pUC18, producing transcriptional fusions with the beta-glucuronidase (GUS) gene and nopaline synthase termination sequence. The activity of each promoter construct was

Reversible heat-induced inactivation of chimeric beta-glucuronidase in transgenic plants.

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We compared the expression patterns in transgenic tobacco (Nicotiana tabacum) of two chimeric genes: a translational fusion to beta-glucuronidase (GUS) and a transcriptional fusion, both with the same promoter and 5'-flanking sequences of Ha hsp17.7 G4, a small heat shock protein (sHSP) gene from

Heat-inducible production of beta-glucuronidase in tobacco hairy root cultures.

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The production of beta-glucuronidase (GUS) driven by the Arabidopsis small heat shock protein 18.2 promoter in liquid cultures of transgenic tobacco (Nicotiana tabacum) hairy roots is reported. Clone GD-3, showing high GUS heat induction and a moderate growth rate, was selected from 436 clones for

Gene fusions of signal sequences with a modified beta-glucuronidase gene results in retention of the beta-glucuronidase protein in the secretory pathway/plasma membrane.

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Signal sequences and endoplasmic reticulum (ER) retention signals are known to play central roles in targeting and translocation in the secretory pathway, but molecular aspects about their involvement are poorly understood. We tested the effectiveness of deduced signal sequences from various genes

A choline monooxygenase gene promoter from Salicornia europaea increases expression of the beta-glucuronidase gene under abiotic stresses in tobacco (Nicotiana tabacum L.).

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A 1312 bp 5' flanking region of Salicornia europaea choline monooxygenase (SeCMO) gene was isolated using the anchored PCR. To investigate the mechanism of regulation for this stress-induced gene, the SeCMO promoter-beta-glucuronidase (GUS) chimeric gene constructs containing five deletions F1, F2,

Evidence That More than 90% of beta-Glucuronidase-Expressing Cells after Particle Bombardment Directly Receive the Foreign Gene in their Nucleus.

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Plasmid DNA harboring the beta-glucuronidase (GUS) gene, coated on gold particles, was delivered into cultured tobacco (Nicotiana tabacum L. cv Bright Yellow-2) cells using a pneumatic particle gun. Cytological analyses of intracellular location of the introduced gold particles before and after GUS

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