Tài liệu Báo cáo Y học: Ornithine decarboxylase-antizyme is

Tài liệu Báo cáo Y học: Ornithine decarboxylase-antizyme is rapidly degraded through a mechanism that requires functional ubiquitin-dependent proteolytic activity pot

... Ornithine decarboxylase-antizyme is rapidly degraded through a mechanism that requires functional ubiquitin-dependent proteolytic activity Shilpa Gandre, Zippi Bercovich and Chaim Kahana Department ... cellular polyamine levels. A key protein such as antizyme can not function as an effective r egulator unless it is rapidly degraded or its activity is ti...

Ngày tải lên : 22/02/2014, 04:20

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Tài liệu Báo cáo Y học: Convulxin induces platelet shape change through myosin light chain kinase and Rho kinase ppt

... kinase-dependent pathway was stimulated by the activation of thrombin and thromboxane receptors as opposed to the Ca 2+ -/ MLC kinase-dependent pathway that was stimulated by ADP and collagen ... that the ADP secreted is promptly scavenged by CP/CPK and that the residual ADP is at too low a concentration to activate the P 2Y 1 -receptor coupled pathway. Because MLC phosphorylatio...

Ngày tải lên : 21/02/2014, 01:21

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Tài liệu Báo cáo Y học: Interallelic recombination is probably responsible for the occurrence of a new as1-casein variant found in the goat species potx

... 5¢ TAG TTC AAA TGC ACA TCT TAT 3¢ C14U 5¢ GGC AGA GAA TAC GTT TAT ACT AA 3¢ C14L 5¢ TCT CAG ATT GAC TAC TAC AAC TT 3¢ C15U 5¢ CAT GAA AAG CAT TTC AAA AA 3¢ C15L 5¢ TAA AAA ACA GTG GTT ACC AA 3¢ C16U ... CAA GTT TAT AGT CTA CAC GTT GTA C 3¢ C19U 5¢ CTT AGC ATC TTC CAT GGC TTG ATC 3¢ C19L 5¢ ATA CAC ACA AAC TCA CAA GG 3¢ MWU 5¢ CAA CAT ATT TTA AAT AAA ATT GAC AAT 3¢ C9LM* 5¢ ATA AAA ATG GTA TAC...

Ngày tải lên : 22/02/2014, 04:20

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Tài liệu Báo cáo Y học: Differential response of neuronal cells to a fusion protein of ciliary neurotrophic factor/soluble CNTF-receptor and leukemia inhibitory factor pot

... 2002 STAT3 and MAPK activation by Hyper-CNTF in transfected BAF/3 cells Downstream signal transduction pathways were analyzed by studying the activation level of JAK/STAT and MAP kinase signaling ... signiﬁcant ﬁnding, however, is that Hyper-CNTF has virtually the same activity as LIF as well as Hyper-IL-6; half-maximal activity was obtained with cytokine concen- trations of 5–10 pgÆm...

Ngày tải lên : 22/02/2014, 07:20

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Tài liệu Báo cáo Y học: Ligand interactions and protein conformational changes of phosphopyridoxyl-labeled Escherichia coli phosphoenol pyruvate carboxykinase determined by ﬂuorescence spectroscopy pdf

... Chile; 2 Department of Microbiology and Immunology, University of Saskatchewan, Saskatoon, Canada Escherichia coli phosphoenolpyruvate (PEP) carboxykinase catalyzes the decarboxylation of oxaloacetate and ... spectroscopy. Escherichia coli phosphoenolpyruvate carboxykinase [PEP carboxykinase; ATP:oxaloacetate carboxylase (trans-phos- phorylating) EC 4.1.1.49] catalyzes the reversible decarb-...

Ngày tải lên : 21/02/2014, 01:21

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Tài liệu Báo cáo Y học: The glucose-speciﬁc carrier of the Escherichia coli phosphotransferase system Synthesis of selective inhibitors and inactivation studies pptx

... ( 1a) andmethyla- D -manno- pyranoside (1c), methyl 6-deoxy-6-isothiocyanato -a- D - glucopyranoside (1e), b- D -glucopyranosyl isothiocyanate (3c)andb- D -glucopyranosyl phenyl isothiocyanate (3d). Phosphorylation of EII Glc protects, ... and resuspendedin1mLfreshM9medium.Thewashedcells were then assayed for uptake activity as described above. Synthesis of compounds 1a- 3d 6-O-Bromoacetyl...

Ngày tải lên : 21/02/2014, 01:21

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Tài liệu Báo cáo Y học: Dnmt3a and Dnmt1 functionally cooperate during de novo methylation of DNA pdf

... process in mammals during late embryogenesis [6,7]. The methylation pattern is created by de novo methylation and demethyla- tion of the DNA, and maintained during mitosis by maintenance methylation ... has been shown that might be the mechanistic basis for the process [35]. Finally, it is possible that maintenance methylation at sequences that are not efﬁciently methylated by Dnmt1...

Ngày tải lên : 21/02/2014, 01:21

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Tài liệu Báo cáo Y học: The b-1,4-endogalactanase A gene from Aspergillus niger is speciﬁcally induced on arabinose and galacturonic acid and plays an important role in the degradation of pectic hairy regions pdf

... b-1,4-Endogalactanases cleave within the galactan moiety of type I arabinogalactan, releasing D -galacto-oligosaccharides. Bacterial b-1,4-endogalactanases release mainly galactotriose and galactotetra- ose ... soy arabinogalactan consists of 57% D -galactose and 38% L -arabinose. Methylation analysis demonstrated that a substantial amount of the L -arabinose residues (14%) in soy arabi...

Ngày tải lên : 21/02/2014, 01:21

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Tài liệu Báo cáo Y học: Thermostability of manganese- and iron-superoxide dismutases from Escherichia coli is determined by the characteristic position of a glutamine residue pdf

... Biochemistry 39, 7131– 7137. 31. Hiraoka, B .Y. , Yamakura, F., Sugio, S. & Nakayama, K. (2000) A change of the metal-speciﬁc activity of a cambialistic superoxide dismutase from Porphyromonas gingivalis ... metal. Arch. Biochem. Biophys. 313, 296–303. 52. Yamakura, F., Rardin, R.L., Petsko, G .A. , Ringe, D., Hiraoka, B .Y. , Nakayama, K., Fujimura, T., Taka, H. & Murayama, K....

Ngày tải lên : 21/02/2014, 01:21

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Tài liệu Báo cáo Y học: The structures of the lipooligosaccharide and capsule polysaccharide of Campylobacter jejuni genome sequenced strain NCTC 11168 pdf

... followed by a ﬁnal annealing at 72 °C for 10 min using primers: Cj1427cF918 (5¢-AACTTTCATCATTTTAAAC GCTCTT-3¢) and Cj1427cR10 (5¢-AAAGTTTTAATTAC AGGTGGTGCAG-3¢). Deoxycholate-PAGE analysis and silver ... N., Taki, T., Inagaki, F., Kasama, T., Takahashi, M., Saito, K.,Handa,S.&Miyatake,T.(1993)Abacteriumlipopoly- saccharide that elicits Guillain–Barre ´ syndrome has a GM1 gan- gliosi...

Ngày tải lên : 21/02/2014, 01:21

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