báo cáo khoa học: " Pb-induced cellular defense system in the root meristematic cells of Allium sativum L" potx

... cysteine-rich proteins induced by Pb and to explain the possible mechanisms of the Pb-induced cellular defense system in the root meriste- matic cells of A. sativum. Results Effect of Pb on subcellular ... showing toxic effects of Pb on ultrastructure of the root meristematic cells of A. sativum. a:Controlcells showing well-developed root tip cell...

Ngày tải lên: 12/08/2014, 03:21

... substrate carbinolamine intermediate; III, iminoquinone intermediate; IV, product Schiff base intermediate; V, aminoquinol intermediate. In the oxidative half-reaction the ami- noquinol intermediate ... kinetically in uential ionizations were identified in plots of k lim ⁄ K d of pK a values 7.1 and 9.3, again with the maximum value realized in the alkaline region. The pot...

Ngày tải lên: 19/02/2014, 07:20

... described for the sulfuration of the C-terminal glycine in ThiS and MoaD, involved in thiamine biosynthesis and molyb- dopterin biosynthesis, respectively, and for the sulfura- tion of uridine in tRNA ... methylases [9]. How the sulfur is transferred into the carboxamide group of glycine in the peptide chain remains to be shown. Neither the functions of the five...

Ngày tải lên: 16/03/2014, 05:20

... separately fitting domains I and II to the structure of DcP. The identification of the appropriate clipping points was aided by using the Alternate Domain Fit tool from the suite of tools within the swiss-pdbviewer ... 611) in the loop, particu- larly Gly603, in maintaining the plasticity of the active site and the full range of function of TOP. Most recently...

Ngày tải lên: 23/03/2014, 06:20

... JEOL, Japan) at an accelerating voltage of 80 KV. The intranuclear inclusion bodies were detected in the tubular epithelia of two cases of among the 960 quail examined. These quail were from control ... Medicine, College of Veterinary Medicine, Seoul National University, Seoul 151-742, Korea We report idiopathic intranuclear inclusion bodies in the renal tubular epithelia...

Ngày tải lên: 07/08/2014, 18:21

... score. The mino r allele is the allele occurring in the minority of the sequences at the SNP site, while the other is called the major allele. All the tagged or non-tagged SNP sites from the previous assembly ... measured by the number of SNP meeting the thresholds of call rate and GeneCall50 for two groups of SNPs that differed regarding the flanking sequenc...

Ngày tải lên: 11/08/2014, 11:22

... in finding such cases rather than any inherent rarity. Indeed we recently dem- onstrated the occurrence of -1 frameshifting, at a level of 10–18%, into a short ORF overlapping the 6K CDS in the Alphavirus ... at the very 5' end of the coding sequence, and also at the 5' end of the sequence encoding the NS2A protein. Such peaks are generally indicative of...

Ngày tải lên: 12/08/2014, 04:21

... [52]. Therefore, NPs may induce the accumulation of lipids in PC12 cells by disturbing the function of cellular membranes on the cell surface, as well as by disturbing cellular functions inside the ... under the conditions of uncompromised cell survival in the presence of serum. On the basis of the results obtained in this study showing that glial cells...

Ngày tải lên: 07/03/2014, 00:20

... 6 exhibited earlier shedding in feces than the other animals but the shedding of E. bieneusi in the bile of these animals did not occur earlier. In general, the onset of spore shedding in feces preceded ... propagation of the parasite by persistent infection in the pig biliary system. This organism is found in enterocytes and in the cells of the lam...

Ngày tải lên: 07/08/2014, 14:23

... be mantained? In this paper patterns of hybridization and of the mating system of Q petraea and Q robur have been inferred from examination of allo- zyme variation in 2 ... to that of the adults of the other species, and a negative sign if the opposite was the case. We then tested the hypothesis that the 2 signs were present...

Ngày tải lên: 08/08/2014, 19:21