Báo cáo khoa học: "Establishment of explants from 200-year-old Quercus petraea in culture" pdf

... resolved. Method 3 resulted in good establish- ment in culture from a smaller number of explants, with the advantage over method 2 of clear origin of shoots and minimal damage to ... established in culture, regardless of age. However, the difficulty of characteriz- ing the origin of shoots produced from stem segments (Evers et al, 1990)...

Ngày tải lên: 08/08/2014, 19:21

... of samples prepared from the same cell culture were used to assess the error on the single mea- surement. Fitting of data to obtain model parameters was performed using origin software (OriginLab ... time of 2D COSY cell spectra were compared in samples obtained by cells harvested at different days from the same seeding. In the following, ML quantification derives from intensit...

Ngày tải lên: 18/02/2014, 13:20

... strong change, of )0.07 p.p.m., relat- ive to H1 of ring C in CST0606. For all of the other ring E signals in both hexasaccharides the movements are marginal. The remaining two pairs of residues ... for each of 512 increments were sampled into 1024 complex points. The array was zero-filled to 2048 complex points in t 2 and Fourier transformed after application of a 10% offset...

Ngày tải lên: 16/03/2014, 14:20

... aliquots were incubated in the presence of increasing concentrations of calmodu- lin, followed by the immediate determination of PMCA activity and the amount of acetylated tubulin remaining in the membrane ... were incubated with increasing concentrations of exogenous tubulin. The proportion of acetylated tubulin correlated directly with the degree of inhibition, indicating...

Ngày tải lên: 23/03/2014, 07:20

... circadian control of the expression of genes involved in auxin transport and auxin response [58,59]. More interestingly, the abolition of rhythmic stem elongation following removal of the floral stem, ... Baskin JM & Baskin CC (1976) Effect of photoperiod on germination of Cyperus in exus seeds. Bot Gaz 137, 269–273. 26 Black M & Wareing PF (1954) Photoperiodic control...

Ngày tải lên: 23/03/2014, 10:20

... homologous flavoproteins form a novel flavoprotein family in which all members contain an aromatic amino-acid residue (Phe, Trp) that interacts with the isoalloxazine ring of the flavin cofactor [31]. ... nicotin- amide ring and the flavin cofactor weakens and the indole ring of the tryptophan displaces the oxidized substrate from the binding site. This mechanism may be common in the ca...

Ngày tải lên: 23/03/2014, 15:21

Ngày tải lên: 07/08/2014, 18:21

Ngày tải lên: 07/08/2014, 20:23

... efficacy of a single dose of each of the four recombinant glycoproteins, a half dose of the two recombinant glycoproteins derived from vvNDV and the combined half dose of rNDF(V) and rNDHN(V)-infected ... first inoculation, in which the individual glycoproteins rarely induced a protective effect. Also, a single inoculation of the combined recombinant glycoprotein was su...

Ngày tải lên: 07/08/2014, 20:24

... underestimation of about 30 % when using all rings and 11 % when using the four upper rings, the best fit being obtained when considering the three upper rings only. Chason ... (8-bit TIFF image). This operating mode eliminated the printing stage that may be the cause of inaccuracy. Data processing was done using ANALYP software developed by...

Ngày tải lên: 08/08/2014, 14:21