alkaline phosphatase/tailís

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Transmembrane topology of FRO2, a ferric chelate reductase from Arabidopsis thaliana.

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Logáil Isteach / Cláraigh

Iron uptake in Arabidopsis thaliana is mediated by ferric chelate reductase FRO2, a transmembrane protein belonging to the flavocytochrome b family. There is no high resolution structural information available for any member of this family. We have determined the transmembrane topology of FRO2

Lipid transfer protein 1 is a possible allergen in Arabidopsis thaliana.

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Logáil Isteach / Cláraigh

BACKGROUND The Arabidopsis thaliana genome was recently fully sequenced, and this plant is now considered as the most useful model to study the effects of genetic engineering. The aim of the present study was to identify A. thaliana IgE-binding molecules and to localize their genes in order to

Evidence in support of a four transmembrane-pore-transmembrane topology model for the Arabidopsis thaliana Na+/K+ translocating AtHKT1 protein, a member of the superfamily of K+ transporters.

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Logáil Isteach / Cláraigh

The Arabidopsis thaliana AtHKT1 protein, a Na(+)/K(+) transporter, is capable of mediating inward Na(+) currents in Xenopus laevis oocytes and K(+) uptake in Escherichia coli. HKT1 proteins are members of a superfamily of K(+) transporters. These proteins have been proposed to contain eight

Variation in the Subcellular Localization and Protein Folding Activity among Arabidopsis thaliana Homologs of Protein Disulfide Isomerase.

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Logáil Isteach / Cláraigh

Protein disulfide isomerases (PDIs) catalyze the formation, breakage, and rearrangement of disulfide bonds to properly fold nascent polypeptides within the endoplasmic reticulum (ER). Classical animal and yeast PDIs possess two catalytic thioredoxin-like domains (a, a') and two non-catalytic domains

AtPIP5K1, an Arabidopsis thaliana phosphatidylinositol phosphate kinase, synthesizes PtdIns(3,4)P(2) and PtdIns(4,5)P(2) in vitro and is inhibited by phosphorylation.

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Logáil Isteach / Cláraigh

PtdIns phosphate kinases (PIPkins), which generate PtdInsP(2) isomers, have been classified into three subfamilies that differ in their substrate specificities. We demonstrate here that the previously identified AtPIP5K1 gene from Arabidopsis thaliana encodes a PIPkin with dual substrate specificity

Determination of transmembrane topology of an inward-rectifying potassium channel from Arabidopsis thaliana based on functional expression in Escherichia coli.

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Logáil Isteach / Cláraigh

We report here that the inward-rectifying potassium channels KAT1 and AKT2 were functionally expressed in K+ uptake-deficient Escherichia coli. Immunological assays showed that KAT1 was translocated into the cell membrane of E. coli. Functional assays suggested that KAT1 was inserted topologically

Phosphorylation of a bifunctional enzyme, 6-phosphofructo-2-kinase/fructose-2,6-bisphosphate 2-phosphatase, is regulated physiologically and developmentally in rosette leaves of Arabidopsis thaliana.

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Logáil Isteach / Cláraigh

The phosphorylation status of 6-phosphofructo-2-kinase/fructose-2,6-bisphosphate 2-phosphatase (EC 2.7.1.105/ EC 3.1.3.46) in rosette leaves of Arabidopsis was examined. Immunoblotting with specific antisera detected 96-kDa and 92-kDa bands in the crude protein extracts from rosette leaves of

Feasible and reliable quantification of mRNA in Arabidopsis thaliana using optical thin-film biosensor chips.

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Logáil Isteach / Cláraigh

mRNA quantification is very important in molecular biological researches. Traditional spectrophotometric method cannot distinguish DNA, rRNA and tRNA species from mRNA. Northern blot can be used for mRNA quantification but is known to be time consuming. To rapidly detect mRNA levels, we developed an

Effect of biosynthesized silver nanoparticles on native soil microflora via plant transport during plant-pathogen-nanoparticles interaction.

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Logáil Isteach / Cláraigh

In this study, the interaction of biosynthesized silver nanoparticles (BSNP) with native soil via plant transport was assessed in model pathosystem of Arabidopsis thaliana and Alternaria brassicicola. Foliar application of 5 μg/mL of BSNP reduced number of spores of fungi to 2.2 × 105 from 7 × 105,

The DNA-compacting protein DCP68 from soybean chloroplasts is ferredoxin:sulfite reductase and co-localizes with the organellar nucleoid.

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Logáil Isteach / Cláraigh

The multiple copies of the chloroplast genome (plastome) are condensed and organized into nucleoids by a set of proteins. One of these, the DNA-binding protein DCP68 from soybean, has previously been shown to compact DNA and to inhibit DNA synthesis in vitro. N-terminal amino acid analysis and the

PKL01, an Ndr kinase homologue in plant, shows tyrosine kinase activity.

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Logáil Isteach / Cláraigh

Protein phosphorylation by protein tyrosine (Tyr) kinases plays important roles in a variety of signalling pathways in cell growth, differentiation and oncogenesis in animals. Despite the absence of classical Tyr kinases in plants, a similar ratio of phosphotyrosine residues in phosphorylated

Promotion of metal accumulation in nodule of Astragalus sinicus by the expression of the iron-regulated transporter gene in Mesorhizobium huakuii subsp. rengei B3.

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Logáil Isteach / Cláraigh

Toxic metal contamination in agricultural fields is an important worldwide problem. In previous studies, we developed a bioremediation system based on the symbiosis between Astragalus sinicus and the recombinant rhizobium, Mesorhizobium huakuii subsp. rengei B3 developed by overexpressing a

A new method for enzymatic preparation of isopentenyladenine-type and trans-zeatin-type cytokinins with radioisotope-labeling.

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Logáil Isteach / Cláraigh

We describe a new enzymatic reaction method for the preparation of the radioisotope-labeled cytokinins isopentenyladenine (iP), trans-zeatin (tZ), and their ribosides. The method is based on the three enzyme activities of an adenylate isopentenyltransferase (IPT; EC 2.5.1.27) from Arabidopsis

Whole Mount RNA-FISH on Ovules and Developing Seeds.

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Logáil Isteach / Cláraigh

A key element to understand developmental and reproductive processes like germline development, double fertilization, and embryogenesis is the study of cell-specific gene expression patterns which is best analyzed by RNA in situ hybridization. Different visualization techniques have been established

The LPB1 gene is important for acclimation of Chlamydomonas reinhardtii to phosphorus and sulfur deprivation.

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Logáil Isteach / Cláraigh

Organisms exhibit a diverse set of responses when exposed to low-phosphate conditions. Some of these responses are specific for phosphorus limitation, including responses that enable cells to efficiently scavenge phosphate from internal and external stores via the production of high-affinity

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