Báo cáo khóa học: Fidelity of targeting to chloroplasts is not affected by removal of the phosphorylation site from the transit peptide doc

... Fidelity of targeting to chloroplasts is not affected by removal of the phosphorylation site from the transit peptide Kerry-Ann Nakrieko, Ruth M. Mould and Alison G. SmithDepartment of Plant ... SSU transit peptides were identical to those for tobacco SSU transit peptides. Alteration of the phosphorylation site did not impede targeting of the passenger GFP to the chloroplasts, nor was there ... CtRS.tp.wt, transit peptide of cysteinyl-tRNA synthetase from Arabidopsis thaliana;HtRS.tp.wt, transit peptide of histidyl-tRNA synthetase from Arabidopsis thaliana; CoxIV.tp, transit peptide of cytochrome...

Báo cáo khoa học: "What’s There to Talk About? A Multi-Modal Model of Referring Behavior in the Presence of Shared Visual Information" potx

... list of entities that comprise the shared visual space. The entities are included in the list if they are currently visible to both the Helper and Worker, and then ranked according to the ... that the interlocutors revert to their recent linguistic history for the context of an interaction. It should be noted that this is work in progress and a major avenue for future work is the ... us to test three basic hypotheses regarding the likely impact of linguistic and visual salience: Purely linguistic context. One hypothesis is that the visual information is completely disre-garded...

Báo cáo khoa học: A simple protocol to study blue copper proteins by NMR pot

... Withrespect to the diamagnetic version of the experiments, the number of data points in the 15Nand13C dimensions werereduced from 64 to 48 and from 256 to 128, respectively.Besides the choice of ... there is no evidence of them in the diamagnetic experiment.Some of the 13C resonances that were identified as arising from the proximity of the paramagnetic center can be alsoidentified in the ... inorder to be compatible with the short delays of the reverseINEPT step [87] can be reintroduced in the final reverseINEPT step. The calculated effects of the stepwise removal of the crushgradients,...

Báo cáo khoa học: Cyclosporin A-induced oxidative stress is not the consequence of an increase in mitochondrial membrane potential doc

... electrons is used to pump protons from the mito-chondrial matrix towards the inner membrane space,thereby creating a proton gradient. The energy storedin the proton gradient is used to drive the ... Studies in isolated mitochondria showed that blockage of mitochondrial permeability transition pores by cyclosporin A affected neither DWm, ATP synthesis, nor respiration rate. The mitochondrial ... prevents opening of the MPTP, thereby leading to an increased DWm[17,20]. The CsA analog N-methyl-4-isoleucine-cyclos-porin (NIM811) is also known as an inhibitor of MPTP, and to lead to an increase...

Tài liệu Báo cáo khoa học: An immunomodulator used to protect young in the pouch of the Tammar wallaby, Macropus eugenii pptx

... fur-ther. The exception is the only peptide identified (by MS ⁄ MS data) from the pouch swabs. This peptide wasisolated in lg amounts from pouch swabs taken from early lactating females in the ... secreted into the pouch of diprotodonts such as the Tammar wallaby is yet to be established.In this paper we report a study of the low molecularmass (< 2000 Da) water-soluble components of swabstaken ... eugeninEugenin was synthesized to confirm the structure of the compound, and to provide sufficient material to allow biological testing to be performed. The synthesis of tyrosine sulfate containing peptidescan...

Tài liệu Báo cáo khoa học: "Using adaptor grammars to identify synergies in the unsupervised acquisition of linguistic structure" docx

... expands to each of the 50 dis-tinct phonemes present in the Brent corpus. Thisgrammar defines a Sentence to consist of a sequence of Words, where a Word consists of a sequence of Phonemes. The category ... adaptor grammar does not definea single distribution over trees; rather, each set of draws from the DPs defines a different distribution.In the adaptor grammars used in this paper there is no ... expands to a collocation. It may be possible to correct this by “tuning” the grammar’s hyperparameters, but we did not attempt this here.These results are not too surprising, since the kind of regular...

Tài liệu Báo cáo khoa học: "A Practical Solution to the Problem of Automatic Word Sense Induction" doc

... mini-mized by looking at only the three main di-mensions of the context matrices. 1 Introduction The topic of this paper is word sense induction, that is the automatic discovery of the possible ... arbitrary, it is necessary to detect the regularities in the patterns. For this purpose we ap-plied the SVD to each of the matrices, thereby re-ducing their number of columns to the three main ... reconstructing the sense vectors from the mixtures is difficult, the question is if we really need to base our work on mixtures or if there is some way to directly observe the contextual be-havior of the...

Tài liệu Báo cáo khoa học: "A PROBABILISTIC APPROACH TO GRAMMATICAL ANALYSIS OF WRITTEN ENGLISH BY COMPUTER" pot

... inventory of hypertags were proposed, on the basis of problems encountered by the linguist in providing a satisfactory grammatical analysis of the constructions in the corpus. The rationale for the ... and Hofl-n~, 1978). The year of publication of all text samples (1961) and the division into 15 text categories is the same for bo~h corpora for the purposes of a systematic comparison of British ... Comparison of results with sections of samples from the tree bank enables a more empirical validation of the entries by checking the output of the T-tag look up procedure against samples of the...

Báo cáo khoa học: Concepts and tools to exploit the potential of bacterial inclusion bodies in protein science and biotechnology pdf

... even if it is not easy to discriminate between intramolecular andintermolecular b-sheets. The use of this spectroscopictechnique for the study of IB aggregates is oftenlimited by the intrinsic ... this way, Curtis-Fiske et al. were able to identify native a-helices of the N-terminal 185 residues of the functional domain of the HA2 subunit of the inﬂuenza virus hemagglutinin protein and to ... IBscould not be affected by any of the usual means[81]. In this particular case it was therefore con-cluded that TEM aggregation is only controlled by the amino acid sequence and not by the kinetics...

Báo cáo khoa học: A kinetic approach to the dependence of dissimilatory metal reduction by Shewanella oneidensis MR-1 on the outer membrane cytochromes c OmcA and OmcB potx

... measure of enzymespeciﬁcity To determine whether the lack of phenotype of omcA–omcB–strains observed during anaerobicgrowth on either of the electron acceptors U(VI) andSe(VI) is due to the ... downregulation of FR (P ¼ 0.83). On the basis of the fact that FR is not subjected to regulation under the applied conditions,and deducing from Fig. 2C that all other c-type cyto-chromes are ... com-pared to Fe(III)-nitrilotriacetic acid reduction reported by Marshall et al. [15] thus appears to result not from disturbed catalysis, but rather from hampered sub-strate binding. Of the other...

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