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beta glucuronidase/baltažiedis vairenis
Nuoroda įrašoma į mainų sritį
Puslapis 1 nuo 660 rezultatus
Transient expression of beta-glucuronidase in Arabidopsis thaliana leaves and roots and Brassica napus stems using a pneumatic particle gun.
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Successful transient expression of beta-glucuronidase (GUS) in Arabidopsis thaliana leaves and roots and Brassica napus stems was obtained after gene delivery with a pneumatic particle gun driven by compressed air. Effects of the pneumatic pressure used to accelerate the particles (accelerating
Promoters from kin1 and cor6.6, two Arabidopsis thaliana low-temperature- and ABA-inducible genes, direct strong beta-glucuronidase expression in guard cells, pollen and young developing seeds.
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The ability of most higher plants to withstand freezing can be enhanced by cold acclimation, although the freezing tolerance of plant tissues is also affected by their developmental stage. In addition, low temperature has pleiotropic effects on many plant developmental processes such as
Pollen-specific expression of the Arabidopsis thaliana alpha 1-tubulin promoter assayed by beta-glucuronidase, chloramphenicol acetyltransferase and diphtheria toxin reporter genes.
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We have characterized the promoter specificity of the Arabidopsis thaliana alpha 1-tubulin (alpha 1-tub) gene by studying expression patterns of gene fusions between the 2.2 kbp 5' upstream region of the alpha 1-tub gene and each of three different reporters: chloramphenical acetyltransferase,
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
Transient expression of the beta-glucuronidase gene in tissues of Arabidopsis thaliana by bombardment-mediated transformation.
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Particle bombardment has proved to be useful for the transformation of plants. We have previously reported successful transient expression of the beta-glucuronidase (GUS) gene in cultured plant cells and tissues and the stable transformation of various plants using a pneumatic particle gun. In this
Floral-dip transformation of Arabidopsis thaliana to examine pTSO2::beta-glucuronidase reporter gene expression.
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The ability to introduce foreign genes into an organism is the foundation for modern biology and biotechnology. In the model flowering plant Arabidopsis thaliana, the floral-dip transformation method has replaced all previous methods because of its simplicity, efficiency, and low cost. Specifically,
The promoter of the Arabidopsis thaliana SUC2 sucrose-H+ symporter gene directs expression of beta-glucuronidase to the phloem: evidence for phloem loading and unloading by SUC2.
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The Arabidopsis thaliana (L.) Heynh. SUC2 gene encodes a plasma-membrane sucrose-H+ symporter. The DNA sequence of the SUC2 promoter has been determined. Using a translational fusion of this promoter to the N-terminus of beta-glucuronidase (GUS) and the GUS histochemical assay, the tissue
Characterization of a thermostable β-glucuronidase from Thermotoga maritima expressed in Arabidopsis thaliana.
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TmGUSI, a gene identical to that encoding a thermostable β-glucuronidase in the hyperthermophilic anaerobe Thermotoga maritima, has been synthesized using a PCR-based two-step DNA synthesis and codon optimization for plants, and expressed in both Escherichia coli and Arabidopsis thaliana. TmGUSI
Purification, cloning and functional characterization of an endogenous beta-glucuronidase in Arabidopsis thaliana.
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Beta-glucuronidase (GUS) activities have been extensively characterized in bacteria, fungi, and animals, and the bacterial enzyme GUSA from Escherichia coli is commonly used as a reporter for gene expression studies in plants. Although endogenous GUS activity has been observed in plants, the nature
Cloning of an ovule specific promoter from Arabidopsis thaliana and expression of beta-glucuronidase.
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Tissue specific expression of transgenes in plant species has several advantages over constitutive expression. Identification of ovule specific promoters would be useful in genetic engineering of plants with a variety of desirable traits such as genetically engineered parthenocarpy, female sterile
A study on the influence of different promoter and 5'UTR (URM) cassettes from Arabidopsis thaliana on the expression level of the reporter gene β glucuronidase in tobacco and cotton.
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Several reports of promoters from plants, viral and artificial origin that confer high constitutive expression are known. Among these the CaMV 35S promoter is used extensively for transgene expression in plants. We identified candidate promoters from Arabidopsis based on their transcript levels
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
Transcriptional regulation of Arabidopsis thaliana phytochelatin synthase (AtPCS1) by cadmium during early stages of plant development.
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Transcriptional regulation of Arabidopsis thaliana (L.) Heynh. phytochelatin synthase (AtPCS1) by cadmium (Cd) was analyzed at various stages of plant development using transgenic Arabidopsis and wild-type plants. Histochemical analysis of beta-glucuronidase (GUS) activity in transgenic lines
Alteration of [beta]-Tubulin Gene Expression during Low-Temperature Exposure in Leaves of Arabidopsis thaliana.
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Responses of [beta]-tubulin gene expression to low-temperature exposure (4[deg]C) have been investigated in leaves of Arabidopsis thaliana. During low-temperature exposure, the patterns of both [alpha]- and [beta]-tubulin isoforms are altered; the effect is smaller for the [alpha]-tubulins than for
Cis-acting elements essential for light regulation of the nuclear gene encoding the A subunit of chloroplast glyceraldehyde 3-phosphate dehydrogenase in Arabidopsis thaliana.
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We report the characterization of cis-acting elements involved in light regulation of the nuclear gene (GapA) that encodes the A subunit of glyceraldehyde 3-phosphate dehydrogenase in Arabidopsis thaliana. Our previous deletion analyses indicate that the -277 to -195 upstream region of GapA is
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