... tubules and proteolytically degraded within lysosomes in the tubule cells Identification of L-PGDS of various sizes in monkey kidney and human urine We applied crude extracts of monkey kidney to a MAb-1B7-conjugated ... immunoreactivity of the C-terminal epitope of MAb-10A5 was detected in lysosomes in the tubules of monkey kidney (Fig 4), suggesting that truncated L-PGDS was proteolytically degraded in the kidney ... Hayaishi O (1995) Structural and functional significance of cysteine residues of glutathione-independent prostaglandin D synthase Identification of Cys65 as an essential thiol J Biol Chem 270, 1422–1428...
Ngày tải lên: 30/03/2014, 01:20
... RESULTS AND DISCUSSION It was the aim of this work to experimentally investigate a model for de novo methylation of DNA that postulates functional cooperation of Dnmt1 and Dnmt3a Purified Dnmt1 and ... conclude that a significant stimulation of de novo methylation occurs if both enzymes are present at the same time Experiments with different amounts of Dnmt1 and Dnmt3a showed that the level of ... methylation of DNA in the absence of Dnmt1 Whereas the maintenance methylation is not an issue of our work, we present a mechanistic basis for the functional cooperation of Dnmt3a and Dnmt1 in de novo...
Ngày tải lên: 21/02/2014, 01:21
Tài liệu Báo cáo Y học: The glucose-specific carrier of the Escherichia coli phosphotransferase system Synthesis of selective inhibitors and inactivation studies pptx
... 2,3,4-triO-benzyl-a-D-glucohexodialdo-1,5-pyranoside (5) [29] The aldehyde (1 g, 2.1 mmol, in mL of dry tetrahydrofurane) was slowly added under argon to a flask containing methyltriphenylphosphonium ylide (3.4 mmol) in 40 mL dry tetrahydrofurane ... as depicted in Scheme 3, as described previously [38] and the modifications which were recently introduced for the preparation of C-6 aldehyde derivatives of Glc [15] The key step is the use of ... 100%) Synthesis of 2¢,3¢-epoxypropyl b-D-glucopyranoside (3a) The allyl b-D-glucopyranoside (12) was prepared by reaction of acetobromoglucose (11) with allyl alcohol [33] An ice-cooled solution of...
Ngày tải lên: 21/02/2014, 01:21
Báo cáo khoa học: Reconstruction ofde novopathway for synthesis of UDP-glucuronic acid and UDP-xylose from intrinsic UDP-glucose inSaccharomyces cerevisiae pptx
... Fig In vivo activities of UDP -glucose dehydrogenase and UDP-glucuronic acid decarboxylase (A) ESI-MS analysis of UDP-sugars in yeast Nucleotide sugars were extracted as described in Experimental ... Escherichia coli- or A thalianaderived GDP-mannose-4,6-dehydratase and GDP4-keto-6-deoxymannose-3,5-epimerase-4-reductase in UDP-D -glucose (UDP-Glc) NAD UDP -glucose dehydrogenase (UGD) NADH myoinositol ... cerevisiae [22,23] Despite the biological importance of UDP-Xyl, there is currently no affordable system for production of large amounts of this nucleotide sugar Thus, we worked to develop a similar...
Ngày tải lên: 07/03/2014, 12:20
Báo cáo khóa học: A single mutation that causes phosphatidylglycerol deficiency impairs synthesis of photosystem II cores in Chlamydomonas reinhardtii pdf
... and apoCP47 display concerted rates of synthesis In the absence of D1, the rate of synthesis of apoCP47 is strongly reduced, while the rates of synthesis of both D1 and apoCP47 drops when D1 ... proteolytic degradation or to their lower rate of synthesis When we studied the rates of synthesis of the individual PSII subunits by pulse-labelling experiments, we observed that synthesis of D1 and ... in mf1 and mf2 is due to a decreased synthesis of two PSII core subunits The strongly reduced accumulation of PSII could result from a defect in the synthesis of any of the major PSII core subunits...
Ngày tải lên: 07/03/2014, 15:20
Báo cáo Y học: A chimeric scorpion a-toxin displays de novo electrophysiological properties similar to those of a-like toxins docx
... the voltage dependence was decreased both during the activation and inactivation mechanisms, in presence of BotXIV the sodium current voltage dependence was decreased only in the case of the inactivation ... and dose-dependent development of a maintained sodium current which was about 6% of the peak at 0.7 ã 10)6 M (Fig 4D), and reached 12% at 1.4 ã 10)6 M Besides, this mutant slightly decreased ... modelling of BotXIV and m810 mutant Molecular modelling of both BotXIV and its 810 mutant were based on the experimentally determined three-dimensional structures of two templates: toxin II of...
Ngày tải lên: 08/03/2014, 23:20
Báo cáo khoa học: Efficient synthesis of a disulfide-containing protein through a batch cell-free system from wheat germ pdf
... concentrations of the purified scFv polypeptides were 41, 21 and 11 nM (from top to bottom) (C) Post-translational effect of PDI on the active fraction of the scFv The enzyme was added in the DTT -de cient synthesis ... polypeptide productivity of the DTT -de cient, PDI-containing reaction was approximately 40 lgÆmL)1 Then, in order to estimate the extent of disul de formation, the synthesized polypeptide was analyzed ... constant de ned as a slope of the exponential association curve, and [ligate] is the concentration of the added polypeptide [12] The resulted KD for scFvLH was found to be in the order of 10)8...
Ngày tải lên: 16/03/2014, 23:20
Báo cáo khoa học: The reconstitution of mammalian prion infectivity de novo pot
... polysaccharides that consist of an a-linked polyglucose were shown to be permanent components of prion rods purified from scrapie brains [5,6] Approximately 5–15% of PrPSc is composed of polysaccharides, ... conversion of recombinant PrP or PrPC in the absence of PrPSc An alternative strategy for the de novo generation of PrPSc in vitro involves the conversion of PrPC or rPrP in the absence of PrPSc ... Reconstitution of prion infectivity de novo Together, these studies illustrate the intrinsic propensity of the PrP molecule to adopt a diverse range of conformations depending on solvent conditions and cofactors...
Ngày tải lên: 30/03/2014, 09:20
Báo cáo khoa học: De novo RNA synthesis by a recombinant classical swine fever virus RNA-dependent RNA polymerase pot
... minus-strand viral RNA synthesis de novo in the absence of primers and viral or Ó FEBS 2003 De novo RNA synthesis by CSFV RdRp (Eur J Biochem 270) 4957 Fig De novo initiation of viral RNA synthesis by ... [35] Besides copy-back synthesis, Dengue virus RdRp was also demonstrated to be capable of de novo initiation of RNA synthesis [36] Previous work has shown that crude extracts of recombinant CSFV ... of the various enzymes and template used in the RdRp reaction Analysis of initiation of de novo RNA synthesis To examine the effect of preincubation with 0.5 mM NTP on the initiation of RNA synthesis, ...
Ngày tải lên: 30/03/2014, 20:20
Báo cáo hóa học: " Biological Synthesis of Size-Controlled Cadmium Sulfide Nanoparticles Using Immobilized Rhodobacter sphaeroides" ppt
... 4:717–723 123 Content of cadmium in solution (mM) To understand the synthesis process of CdS in a greater detail, the kinetics of the formation of CdS by living R sphaeroides exposed to mM CdCl2 ... Content of cadmium on the cell (mM) Biosynthesis Kinetics of CdS Content of cadmium in form of CdS (mM) Fig TEM images recorded from thin sections of R sphaeroides cells after reaction with CdCl2 ... t/h content of cadmium in solution content of Cds deposit content of cadmium on the cells Fig Relations among content of cadmium in solution, CdS deposit, and on the cell observation of key intermediates...
Ngày tải lên: 22/06/2014, 00:20
Báo cáo y học: " De novo genome sequence assembly of a filamentous fungus using Sanger, 454 and Illumina sequence data" ppsx
... alignment data; insertions were identified as gaps in the EST query alignment, deletions were identified from gaps in the target side of the alignment Several of these contig assemblies were then ... conceived of the project SD, NYL, RAH and SJMJ designed the analysis Sanger sequencing was carried out under the direction of RAH 454 sequencing was carried out under the direction of EM Illumina ... ascomycetes from the order sordariomycetes [11,12] A detailed description and annotation of the Gc genome will be published separately (manuscript in preparation) Analysis of Illumina and 454 read...
Ngày tải lên: 09/08/2014, 20:20
báo cáo khoa học: " Ontology-oriented retrieval of putative microRNAs in Vitis vinifera via GrapeMiRNA: a web database of de novo predicted grape microRNAs" ppt
... Pentatricopeptide (PPR) repeat-containing protein In recent studies, Rajagopalan et al [9] provided evidence of the presence of a miRNA gene (miR838) overlapping DCL1 intron 14 Thus, we decided to perform ... set of microRNAs in Arabidopsis thaliana Genes & Dev 2006, 20:3407-3425 Kwang Loong SNG, Mishra SK: Unique folding of precursor microRNAs: Quantitative evidence and implications for de novo identification ... effective instruments for de novo identification Comparisons of predictions with previously described miRNAs, EST sequences and other genomes were performed with the dual aim of in silico validation...
Ngày tải lên: 12/08/2014, 03:20
Báo cáo y học" Increased plasma membrane cholesterol in cystic fibrosis cells correlates with CFTR genotype and depends on de novo cholesterol synthesis" pdf
... evidence that CFTR is capable of directly modulating cholesterol movement We have previously demonstrated that de novo cholesterol synthesis is elevated in the lungs of Cftr -/mice [3] Evidence ... markers of CF-related cell signaling The goal of this study is to determine if CFTR genotype correlates with plasma membrane cholesterol detection and to determine if de novo cholesterol synthesis ... influence of CFTR genotype on membrane cholesterol content regulation The mouse models and cell models used model chronic alterations to CFTR The goal of this experiment is to determine the impact of...
Ngày tải lên: 12/08/2014, 11:22
Báo cáo y học: "Viral suppression of multiple escape mutants by de novo CD8+ T cell responses in a human immunodeficiency virus-1 Infected elite suppressor" ppt
... plasma gag variants into the backbone of one ES8 plasma gag clone As all plasma clones were identical outside of the TW10 epitope, this backbone was representative of all plasma clones This backbone ... average of triplicate samples of p24 supernatant of activated CD4+ T cells infected with each virus P-values shown above each time point compare the p24 of ES8-17 and ES8-1a using a one-tailed Student’s ... mutations reduce the fitness of a virus with wild type TW10 Virus with Gag derived from provirus of ES8 (ES8WTProv) had an intermediate level of fitness (Figure 2b) The proviral-derived Gag had no mutations...
Ngày tải lên: 13/08/2014, 01:21
New models and algorithm for de novo peptide sequencing of multi charge MS MS spectra
... the PRM ladder or prefix ladder and similarly the set of all suffixes forms the SRM ladder or suffix ladder of the peptide The prefix and suffix ladder forms the “full ladder” of the peptide Since each ... NEW MODELS AND ALGORITHM FOR DE NOVO PEPTIDE SEQUENCING OF MULTI-CHARGE MS/MS SPECTRA CHONG KET FAH M.Sc., NUS A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF COMPUTER ... problem, de novo peptide sequencing or simply peptide sequencing tackles the problem of sequencing unknownn peptides, that is those peptides which are not already discovered and cataloged De novo...
Ngày tải lên: 10/09/2015, 15:50
Báo cáo y học: "Expression of Human Globular Adiponectin-Glucagon-Like Peptide-1 Analog Fusion Protein and Its Assay of Glucose-Lowering Effect In Vivo"
... by designing a mutation in the gene of GLP-1 (7-37) This mutation resulted in the substitution of glycolamine for alanine at the second site of GLP-1 (7-37) peptide A sequence of nucleotide including ... 2mL of overnight grown culture was added to 200mL of medium and incubated with shaking at 37°C until optical density at 600 nm reached 0.4-0.6 Isopropylthio--D-galactoside (IPTG) was then added ... product of GLP-1 (7-36) amide, is a glucoregulatory peptide Obesity (Silver Spring) 2008; 7: 1501-9 Ruiz-Grande C, Alarcón C, Alcántara A, et al Renal catabolism of truncated glucagon-like peptide...
Ngày tải lên: 25/10/2012, 11:10
Tài liệu Đề tài " Geometry of the uniform spanning forest: Transitions in dimensions 4, 8, 12, . . . " pptx
... clearly unaffected by the removal of D from Zd Proofs of main results Proof of Theorem 1.1 Denote m = d−1 By applying Corollary 3.4 to m + independent copies of the USF relation, and invoking ... Its proof is included for the reader’s a convenience Lemma 3.2 Let {Fn } and {Gn } be two decreasing sequences of complete σ-fields in a probability space (X, F, µ), with G1 independent of F1 , ... composition of m + independent copies of U (1) has stochastic dimension d, where m is equal to the right hand of (1.1) By proving that U (m+1) stochastically dominates the composition of m + independent...
Ngày tải lên: 14/02/2014, 17:20
Tài liệu Đề tài " Classification of local conformal nets. Case c doc
... ˜ of (A(I), Ω) if and only if it is fixed by the modular group of (A(I), Ω) In other words the centralizer Zω of A(I) is independent of I; hence, by locality, it is contained in the center of ... the Jones index [A(I) : ρI (A(I))] of ρI , if I ⊃ I0 The (statistical) dimension d(ρ) of ρ is the square root of the index The unitary equivalence [ρ] class of a representation ρ of A is called ... C(I) as desired B(I) ⊗ C(I) and The proof of the following corollary was shown to the authors (independently) by F Xu and S Carpi Concerning our original proof, see Remark 3.7 at the end of this...
Ngày tải lên: 14/02/2014, 17:20
Tài liệu Đề tài " Decay of geometry for unimodal maps: An elementary proof " doc
... alternative proof of this result, using the method of “asymptotically conformal extension” which goes back to Dennis Sullivan and was discussed earlier in Section 3.1 of [9] (under the name of “tangent ... Section 12.2 of [13] We note that these proofs of the starting condition make elaborate use of “complex” methods and not seem to work for the case < In this paper, we shall prove the decay of geometry ... the meaning of decay of geometry, we follow the notation according to Lyubich [12] Let q denote the unique orientation-reversing fixed point of f , and let q be the other preimage of q The principal...
Ngày tải lên: 16/02/2014, 05:20
Tài liệu Đề tài " Dynamics of SL2(R) over moduli space in genus two " ppt
... locus ΩEd2 ⊂ ΩM2 coincides with the set of elliptic differentials of degree d Proof An elliptic differential (X, ω) of degree d, pulled back via a degree d map p : X → E, determines a splitting ... (oD ), and an identification of ΩEd2 with the space of elliptic differentials of degree d Abelian varieties Let Ag denote the moduli space of principally polarized Abelian varieties of dimension ... foliation of X by geodesics of slope x/y The spine The union of all saddle connections running along leaves of Fρ is the spine of the foliation The spine is a finite graph embedded in X Cylinders A...
Ngày tải lên: 16/02/2014, 06:20