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 re- sorption efficiency incr...

Ngày tải lên: 08/08/2014, 14:20

... a single transfec- tion. 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

... 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

... 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

... 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

... 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

... 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

... 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

... cloning of the family of glutamine synthetase genes from maize: expression of genes for glutamine synthetase and ferredoxin-depen- dent 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

... 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