Báo cáo khoa học: "Increasing N and P resorption efficiency

Báo cáo khoa học: "Increasing N and P resorption efficiency and proficiency in northern deciduous hardwoods with decreasing foliar N and P concentrations" doc

... al.Nutrient resorption efficiency in hardwoods Original article Increasing N and P resorption efficiency and proficiency in northern deciduous hardwoods with decreasing foliar N and P concentrations Benoît ... efficiency and proficiency increased with a decrease in leaf N and P, and the rate of change of resorption efficiency incr...

Ngày tải lên : 08/08/2014, 14:20

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Báo cáo khoa học: Fast set-up of doxycycline-inducible protein expression in human cell lines with a single plasmid based on Epstein– Barr virus replication and the simple tetracycline repressor ppt

... a single transfection. pEBTetD contains an Epstein–Barr virus origin of replication for stable and efﬁcient episomal propagation in human cell lines, a cassette for continuous expression of ... Authors Journal compilation ª 2007 FEBS Fast set-up of doxycycline-inducible protein expression in human cell lines with a single plasmid based on Epstein– Barr virus replication and the si...

Ngày tải lên : 23/03/2014, 09:21

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Báo cáo khoa học: Alternative initiation of transcription of the humanpresenilin 1gene in SH-SY5Y and SK-N-SH cells The role of Ets factors in the regulation ofpresenilin 1 pptx

... species of PS1 mRNAs present in brain and human placenta revealed a set of 5¢ ends, all present between positions +1 and +90 deﬁned in SK -N- SH ce lls [32]. H ence initiation within the ﬁrst exon may indeed ... DNA–protein complexes appearing i n EMSAs using an anti-ERM Ig (Fig. 6A). In vitro translated ERM was preincubated with anti-ERM Ig. PS1 promoter probe was then combined...

Ngày tải lên : 16/03/2014, 18:20

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Báo cáo khoa học: A hydrophilic cation-binding protein of Arabidopsis thaliana, AtPCaP1, is localized to plasma membrane via N-myristoylation and interacts with calmodulin and the phosphatidylinositol phosphates PtdIns(3,4,5)P3 and PtdIns(3,5)P2 pptx

... PtdIns(3,4,5 )P 3 ,a high-resolution crystallographic study needs to be performed to determine the binding site. In plants, PtdIns(3 )P, PtdIns(4 )P, PtdIns(5 )P, PtdIns(3,4 )P 2 , PtdIns(3,5 )P 2 and PtdIns(4,5 )P 2 have been detected. ... concerning PtdIns(3,5 )P 2 in plants is limited. Recently, hyperos- motic and salt stresses have been shown to induce an increase in PtdIn...

Ngày tải lên : 23/03/2014, 07:20

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Tài liệu Báo cáo khoa học: Crystal structure of the cambialistic superoxide dismutase from Aeropyrum pernix K1 – insights into the enzyme mechanism and stability pdf

... relationship between electrostatic interaction and the protein’s stability in an organic medium. Results Protein preparation and incorporation of metal ions E. coli cells harboring the expression plasmid for Ape- SOD ... association in solution. In the Mn-bound form, the metal was in trigonal bipyramidal coordination with ﬁve ligands: four side chain atoms and a water oxygen....

Ngày tải lên : 14/02/2014, 22:20

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Tài liệu Báo cáo khoa học: The ubiquitin ligase Itch mediates the antiapoptotic activity of epidermal growth factor by promoting the ubiquitylation and degradation of the truncated C-terminal portion of Bid ppt

... activa- tion by the EGF receptor of a signalling pathway dependent on c-Jun N- terminal kinase (JNK), but independent of Erk [24]. JNK-dependent phosphoryla- tion of Itch is known to increase its ... [12]. Maintaining the balance between cell survival and apoptosis is critical in the maintenance of a healthy organism, and tipping the equilibrium in one or another direction results i...

Ngày tải lên : 16/02/2014, 09:20

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Tài liệu Báo cáo khoa học: The plasminogen activator inhibitor 2 transcript is destabilized via a multi-component 3¢ UTR localized adenylate and uridylate-rich instability element in an analogous manner to cytokines and oncogenes pdf

... by northern analysis (10 lgof total RNA) using the intron spanning 32 P- labelled globin and GAPDH probes described above. The b-globin and GAPDH mRNA band intensities were visualized and quantiﬁed ... transfection efﬁciency within samples and the plates were returned to the incubator for further incubation. In vitro transcription and RNase protection assay and northern hyb...

Ngày tải lên : 16/02/2014, 09:20

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Tài liệu Báo cáo khoa học: Exposure of IgG to an acidic environment results in molecular modiﬁcations and in enhanced protective activity in sepsis doc

... interaction in the presence of increasing concentrations of NaCl. In both experiments, binding intensities are represented in RU, and each data point shows the mean value ± standard deviation of quadruplicate ... The exposure of pooled human IgG to a pH 4 buffer resulted in an increase in its pre-existing binding to antigens present in an Escherichia coli lysate, and in the...

Ngày tải lên : 16/02/2014, 15:20

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Tài liệu Báo cáo khoa học: Implication of the glutamine synthetase ⁄glutamate synthase pathway in conditioning the amino acid metabolism in bundle sheath and mesophyll cells of maize leaves doc

... cloning of the family of glutamine synthetase genes from maize: expression of genes for glutamine synthetase and ferredoxin-dependent glutamate synthase in photosynthetic and non- photosynthetic ... light phase (Fig. 2). Table 1. Amino acid composition in leaves, and amino acid percentage ratio in the phloem exudates and leaves and xylem bleeding sap and leaves in the li...

Ngày tải lên : 18/02/2014, 18:20

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Tài liệu Báo cáo khoa học: Characterization of human deoxyribonuclease I gene (DNASE1) promoters reveals the utilization of two transcription-starting exons and the involvement of Sp1 in its transcriptional regulation ppt

... The thick lines indicate intron 6 of 75 bp in fragments B and C, 3¢ portion of 35 bp in intron 5 in fragments C and D, and 3¢ portion of 25 bp in intron 6 in fragments F and I. The number at the ... alternative splicing in pancreas and QGP-1 cells, resulting in the generation of normal transcripts and many alternative splicing variants initiated from both exons 1a a...

Ngày tải lên : 19/02/2014, 06:20

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