Báo cáo khoa học: "Case Revisited: In the Shadow of Automatic Processing of Machine-Readable Dictionaries" ppt
Báo cáo khoa học: "Case Revisited: In the Shadow of Automatic Processing of Machine-Readable Dictionaries" ppt
... Case Revisited: In the Shadow of Automatic Processing of Machine-Readable Dictionaries Fuliang Weng Computing Research Lab, New Mexico State University ... semantic and pragmatic codes in LDOCE, and examples in LDOCE can help to obtain such theories. 3. Formation of the context layer: the unification of the base layer and the de- 337 ... and Prof. Y. Wilks for comments and encouragement. This project is supported in paxt by CRL. Some of the ideas were developed during my stay in CS/Fudan and CMT/CMU. 1The words passine/'acti~e...
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Báo cáo khoa học: "Rigid Grammars in the Associative-Commutative Lambek Calculus are not Learnable" pptx
... to the types found in G,), therefore c HaVaa) must be in Tree,. All the other types found in this tree mustbe introduced by hypotheses, and all the hypotheses introduced have tobe eliminated ... The language generated by G. is(s, a, c Term. The proof is very similar to the proof of Lemma 6.Theorem 12 The class of rigid LP0 gram-mars has a limit point. The proof is similar to the ... the bound on the number of alterations in L(a).Instead we exploit an assymmetry inherent in the Lifting operation.As noted in (Lambek, 1988), Lifting is a clo-sure operation as it enjoys the...
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Báo cáo khoa học: EcR expression in the prothoracicotropic hormoneproducing neurosecretory cells of the Bombyx mori brain ppt
... Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Japan The insect brain is the center of developmental control. In the brain of the silkworm ... during metamorphosis [5,6]. Hence, the analysis of 20E-induced gene expression in the brain is of critical importance in understanding insect develop-ment. The 20E signal is mediated intrinsically ... arrows in (D) and (E) indicate the EcR-A- and EcR-B1-producing cells in the tritocerebral region of the pupal brain,respectively. Red arrows indicate the EcR-A-or EcR-B1-producing cells in the...
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Tài liệu Báo cáo khoa học: Nuclear receptors in the mosquito Aedes aegypti Annotation, hormonal regulation and expression profiling ppt
... presence of 20E,however, favors the formation of the AaEcR⁄ AaUSPheterodimer [13], indicating that the regulation of the activity of these proteins occurs through protein–pro-tein interactions, ... single protein. Interestingly, during the initialprocess of identifying the NR family members in the A. aegypti genome, we predicted two isoforms of AaFTZ-F1, differing only in their A ⁄ B region, ... meal(PBM), peaking at 18–24 h PBM [3]. 20E is one of the primary regulators in the synthesis of vitellogenin (Vg), the main YPP protein produced by the fat body [4,5]. The molecular mechanism of 20E...
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Tài liệu Báo cáo khoa học: Electrostatic contacts in the activator protein-1 coiled coil enhance stability predominantly by decreasing the unfolding rate docx
... interpretation in distinguish-ing interacting from noninteracting proteins. OneFig. 1. Schematics of library designs. The helical wheel diagram looks down the axis from the N-terminus to the C-terminus. ... thisoverall value into its component kinetic steps. The findings of this study are therefore of interest to the protein design field in general, but also inform uponhow to fast track the design of peptides ... of using peptides as the starting point in the generation of therapeutics is now a growing area[18,19]. Peptides harbour the potential for chemicaland biological diversity while maintaining...
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Tài liệu Báo cáo khoa học: Verprolin function in endocytosis and actin organization Roles of the Las17p (yeast WASP)-binding domain and a novel C-terminal actin-binding domain doc
... suggests that inter-actions mediated by these two domains are directlyimplicated in polarization of the yeast actin cytoskele-ton. The presence of the novel actin-binding VH2-Cdomain in C-Vrp1p364)817may ... C-Vrp1p364)817may explain why mutations in the N-terminal actin-binding WH2 domain (WH2-1)or even deletion of the entire N-terminal module of Vrp1p did not significantly perturb the activity of Vrp1p in polarization ... (EVH1) domain of WASP which interacts with WIP and destabilize thisinteraction [52–56]. The 3D structure of a complexcomprising the binding domains of WIP and the WASP-family protein N-WASP...
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Tài liệu Báo cáo khoa học: Final steps in the catabolism of nicotine Deamination versus demethylation of c-N-methylaminobutyrate doc
... to the complete mineraliza-tion of the pyrrolidine ring of nicotine, which afteroxidation by 6-hydroxy-l-nicotine oxidase, is cleavedoff from the pyridine ring of nicotine in the form of CH3-4-aminobutyrate. ... expression of these genesdepends on the presence of nicotine in the growthmedium and we have determined the enzyme activities of the proteins. Our results demonstrate the presence of two pathways of ... to other members of the polyamine oxidases, the FAD cofactor was noncova-lently bound to the apoprotein and the C-terminalfingerprint sequence SGGCY of monoamine oxidases,with C being the cysteine...
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Tài liệu Báo cáo khoa học: Isochore structures in the chicken genome ppt
... versa, indicating a mosaic structure of the chromosomes. A jump in the Àz0ncurve indicates an increase of the G + C con-tent; whereas a drop down in the Àz0ncurve indicates a decrease of the ... the upperpanel shows the cumulative percentage of the values at or beloweach interval. The Y-axis in the lower panel shows the number of sequences scoring within the interval. Consequently, ... discussion The isochores in the chicken genomeIt should be noted that the chicken genome sequencestill contains a large number of gaps (Table 1). In the case of GGA1, there are 9847 gaps remaining. There-fore,...
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Tài liệu Báo cáo khoa học: Oxidative stress in the hippocampus after pilocarpineinduced status epilepticus in Wistar rats doc
... investigate the develop-ment of neuropathology in SE [6]. Despite numerousstudies clearly indicating the importance of enzymeactivity in the epileptic phenomenon, the mechanismsby which these ... not die within 24 h of observation.Determination of lipid peroxidation and nitritecontentFor all of the experimental procedures, 10% (w ⁄ v) homo-genates of the area of the brain investigated ... results show an increase in nitriteformation after SE, suggesting that there is a possibleincrease in concentrations of ROS, which are ofteninvolved in neuronal damage [7,15]. Other studies haveshown...
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Tài liệu Báo cáo khoa học: Proton transfer in the oxidative half-reaction of pentaerythritol tetranitrate reductase Structure of the reduced enzyme-progesterone complex and the roles of residues Tyr186, His181 and His184 pdf
... productive binding of steroid substrates: in the first, a (small) sub population of enzyme bindsdirectly the steroid in the reactive conformation, with the remainder of the enzyme binding the unreactiveconformation. ... unusual in havingtwo histidine residues (rather than the His-Asn pairseen in OYE, MR and some of the other memberproteins; Fig. 1B) in the active site for ligand andsubstrate binding. For ... contain aHis-His pair, there has been no report of a systematicanalysis of the contribution of each histidine residue tobinding and catalysis. Thus, to ascertain the role of each histidine...
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