Báo cáo y học: "Whole-genome resequencing of Escherichia coli K-12 MG1655 undergoing short-term laboratory evolution in lactate minimal media reveals flexible selection of adaptive mutation" pptx
Báo cáo y học: "Whole-genome resequencing of Escherichia coli K-12 MG1655 undergoing short-term laboratory evolution in lactate minimal media reveals flexible selection of adaptive mutation" pptx
... consistency, and impact of mutations, are typical for short-term adaptive evolution of E. coli in minimal media. E. coli K-12 MG1655 that has undergone adaptation in lactate M9 minimal media shows ... gains of a magnitude similar to those observed in glycerol M9 minimal media [12]. Herein we describe analogous experiments detailing the sequencing of E...
Ngày tải lên: 09/08/2014, 20:20
Báo cáo y học: " Experimental ablation of the pancreas with high intensity focused ultrasound (HIFU) in a porcine model"
... Thus, safety remains the main con - cern of any medical intervention of the pancreatic diseases. A previous preclinical in vivo study in swine demonstrated the feasibility and safety of H I FU ... y p e , Chongqing HaifuTech Co., Ltd, Chongqing City, China). The in- strument was composed of three parts: a firing system located in a degassed water tank, an imaging system...
Ngày tải lên: 25/10/2012, 11:18
Báo cáo khoa học: Functional dissection of Escherichia coli phosphotransacetylase structural domains and analysis of key compounds involved in activity regulation potx
... Activation of the acetyl phosphate synthesis activity of E. coli Pta by different concentrations of pyruvate and PEP. Results are presented as percentage of activity in the presence of PEP or pyruvate ... is located in the C-terminal domain, the E. coli Pta N-terminal domain is involved in stabilization of the hexameric native structure, in expression of the max- imu...
Ngày tải lên: 06/03/2014, 11:20
Báo cáo Y học: Co-existence of two regulatory NADP-glyceraldehyde 3-P dehydrogenase complexes in higher plant chloroplasts ppt
... residues mediated by the ferredoxin/thioredoxin system [1]. The activity of each of these enzymes is adjusted by fine-tuning, the rates of reduction and/or of oxidation being in uenced by specific metabolites ... PRK activity was present in a mixed complex forming only in the presence of both GAPDH and CP12. In order to understand the differential regulation of Calvin-cycle e...
Ngày tải lên: 08/03/2014, 09:20
Báo cáo khoa học: Limited proteolysis of Escherichia coli cytidine 5¢-triphosphate synthase. Identification of residues required for CTP formation and GTP-dependent activation of glutamine hydrolysis potx
... cleaved by a-chymotryp- sin, led to separation of the enzyme into its GAT and synthase domains. Our interest in delineating structural aspects of E. coli CTPS led us to examine the susceptibility of ... Kuilenburg, A.B. (2002) Cyclopentenyl cytosine increases the phosphorylation and incorporation into DNA of 1-b- D -arabinofuranosyl cytosine in a human T-lym- phoblastic cell lin...
Ngày tải lên: 23/03/2014, 17:22
Báo cáo Y học: Does phosphorylation of the cap-binding protein eIF4E play a role in translation initiation? ppt
... cap- binding by eIF4E [54] indicating that the eIF4F complex will likely stay intact (note that the binding of either 4E-BP1 or eIF4G to eIF4E appears to be the determining factor in stabilizing ... eIF4E play in the initiation process? Two possibilities are depicted in Fig. 4. In both cases eIF4E initially binds to the 5¢-cap of the mRNA, an interaction that is stabilized by bind...
Ngày tải lên: 23/03/2014, 21:20
Báo cáo Y học: Supermolecular organization of photosystem II and its associated light-harvesting antenna in Arabidopsis thaliana docx
... addition was not performed in the analysis of the spinach crystals, where crystallinity in one specific part of a layer did not strongly correlate to crystallinity in the other one [17]. After a ... of only type III megacomplexes could be of coincidence, but we would like to point out that in the latter type of megacomplex, the packing of the supercomplex is very similar to...
Ngày tải lên: 24/03/2014, 04:21
Báo cáo Y học: Identification of a critical lysine residue at the active site in glyceraldehyde-3-phosphate dehydrogenase of Ehrlich ascites carcinoma cell ppt
... inactivate the enzyme indicting that this amino acid is not critically involved in the catalytic activity of EAC cell Gra3P DH. Therefore, we tested lysine-specific reagents on the catalytic activity of this ... India; 2 Department of Biochemistry, University College of Science, University of Calcutta, India The involvement of the lysine residue present at the active site of Eh...
Ngày tải lên: 24/03/2014, 04:21
Báo cáo khoa học: Functional interaction of Escherichia coli heat-labile enterotoxin with blood group A-active glycoconjugates from differentiated HT29 cells docx
... chain) from glycosphingolipids and glycoproteins may actually be involved in the car- bohydrate structure recognized by LT-I. Recently, the fine structural basis of the interaction of a hybrid between ... Nonspecific binding was measured as the binding of 125 I-labelled toxin in the presence of an excess of unlabe- led LT-B. To assay nonspecific binding of 125 I-labelled LT-I or...
Ngày tải lên: 30/03/2014, 10:20
Báo cáo y học: "The abilities of improved schizophrenia patients to work and live independently in the community: a 10-year long-term outcome study from Mumbai, India" ppsx
... satisfactory employment, respectively. In the ability to live independently, 1 means never lived independently, 2 means occasionally lived independently, 3 means none of the items mentioned in scale 5 ... Meltzer HY: Outcome in schizophrenia: beyond symptom reduction. J Clin Psychiatry 1999, 60:3-7. 54. Leucht S, Lasser R: The concepts of remission and recovery in schizophrenia. P...
Ngày tải lên: 08/08/2014, 23:21