Báo cáo khoa học: "Interactive effects of waterlogging and irradiance on the photosynthetic performance of seedlings from three oak species displaying different sensitivities (Quercus robur, Q petraea and Q rubra)" docx

... fraction of seedlings affected by theseOriginal articleInteractive effects of waterlogging and irradiance on the photosynthetic performance of seedlings from three oak species ... in the for-mer.DISCUSSION Effects of irradiance on the photosynthetic performance of leaves of the three species Seedlings from the three oak species dis-played significant ... collection of all seedlings at the end of the experiments and of Q robur and Q petraea, but induced largedeclines in Q rubra under the two irradiance levels; again, the...

Tài liệu Báo cáo khoa học: "Learning to Find Translations and Transliterations on the Web" doc

... compute the frequency of all the candidates identified in all snippets, and output the one with the highest frequency. 4 Experiments and Evaluation We extracted the Wikipedia titles of English and ... Identification and Corpus Validation. In Proceedings of the 42nd Annual Meeting of the Association for Computational Linguistics, pp.183-190, 2004. CK Quah. 2006. Translation and Technology, ... translations in another language. By retrieving and identifying such translation counterparts on the Web, we can cope with the OOV problem. Consider the technical term named-entity recognition. The...

Tài liệu Báo cáo khoa học: Top-down MS, a powerful complement to the high capabilities of proteolysis proteomics pdf

... characterization of the protein. Its quantitativeanalysis by the bottom-up method under normal and abnormal conditions can then provide a direct indica-tion of the upregulation or downregulation of the gene. ... proteins The basic information for identiﬁcation and character-ization of proteins comes from the masses of theirdissociation products. The solution-phase enzymaticdissociation used for the bottom-up ... Da, a loss of 4 Da. MS ⁄ MS of these molecular ions (Fig. 7) cleaved 144 of the 193inter-residue bonds (78 uniquely from ECD), conﬁrm-ing almost completely the predicted sequence of the ﬁrst...

Tài liệu Báo cáo khoa học: FGF-2, IL-1b and TGF-b regulate ﬁbroblast expression of S100A8 doc

... upstream of the transcrip-tion initiation site, untranslated intron 1 and sequencesupstream of exon 1, were used to evaluate activities of deletion constructs after transient transfection into ... (Fig. 4). The minimal promoter required forFGF-2- ⁄ heparin-induced responses was restricted to the region from )94 to +465 (Fig. 4). Deletion of the region from )178 to )94 bp, which contains ... For other controls, pri-mary or secondary antibodies were omitted.Acknowledgements The authors are obliged to Professor Rolf Howlett for the preparation and donation of wound specimens and Drs...

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 ... H).There are several different ways to deﬁne DPs; one of the most useful is the characterization of the con-ditional or sampling distribution of a draw from DP(α, H) in terms of the Polya urn or ... sentenceas a sequence of collocations, each of which con-sists of a sequence of words. These collocations give the grammar a way to model dependencies betweenwords.With the DP concentration parameters...

Báo cáo khoa học: Retrocyclin RC-101 overcomes cationic mutations on the heptad repeat 2 region of HIV-1 gp41 ppt

... with the region that binds HR1 upon 6HB formation. The strong afﬁnity of RC-101 for HR2 prevents the inter-action of HR1 and HR2, formation of the 6HB, and subsequent fusion of the host and viral ... mutations, one was found in gp120 and oneeach in the HR1 and HR2 regions of gp41, and all three mutations converted a polar or anionic residue toa cationic residue [14]. In addition, the cationic ... regions of gp41 [12]. During 100 days of serial passaging, HIV-1strain BaL developed three cationic mutations in the presence of sublethal concentrations of RC-101 [14]. Of the three mutations,...

Báo cáo khoa học: A simple in vivo assay for measuring the efﬁciency of gene length-dependent processes in yeast mRNA biogenesis doc

... the quantiﬁcation of the northern blots indicated that the three longesttranscription units showed very similar levels of mRNA accumulation (Fig. 1B), despite the sequence of its 3¢-UTR being different ... some others act all along the transcriptionunit. Among the former, we ﬁnd the general transcrip-tion factors involved in PIC assembly, initiation and early elongation [4,5]. The mechanisms of ... compilation ª 2006 FEBS 765[8,9]. The relative contribution of this second kind of element to gene expression is expected to depend on the length of the transcription unit, it being greater inlonger...

Báo cáo khoa học: Two short protein domains are responsible for the nuclear localization of the mouse spermine oxidase l isoform pdf

... atemplate. The mutagenic primer sequences used are avail-able on request from the ﬁrst author (M.B.). The intro-duction of the deletion was conﬁrmed by sequenceanalysis.Amino acid sequence analysis ... nuclear localization of mSMOl,as the only difference between mSMOl and mSMO lDproteins consists of the lack of the amino acidsequence region 277–307 (Figs 1,2).DiscussionIn the murine polyamine ... conﬁrmed a nuclear localizationfor the mSMOl isoform (Fig. 4).Taken together, these results consistently substanti-ate the hypothesis that these two structural regions aremandatory for the...

Báo cáo khoa học: What’s in a covalent bond? On the role and formation of covalently bound flavin cofactors doc

... activity and other biochemical properties isfundamentally different from assigning the role of covalent ﬂavinylation on the basis of these effects. Investigations aimed at assigning the importance of covalent ... low-ered upon removal of the covalent link between the ﬂavin and the polypeptide chain. The ﬁrst systematicstudy on the effect of covalent ﬂavinylation on the redox potential, kinetic behavior and ... 3405–3427 ª 2009 The Authors Journal compilation ª 2009 FEBS The ﬁrst step of the proposed mechanisms for covalentﬂavinylation of the C8a position involves abstraction of a proton from the C8 methyl...

Báo cáo khoa học: Functional interplay between viral and cellular SR proteins in control of post-transcriptional gene regulation pptx

... binding to a con-sensus element within the long control region of the viral genome, and also functions together with the E1protein in viral DNA replication [16]. The E2 protein consists of the N-terminal ... activatetat exon 3 utilization [54]. On the other hand, the negative regulator hnRNP A1 initially binds a high-afﬁnity exonic element, and subsequently occupies the upstream region of this binding site ... phosphorylation of the core protein iscritical for completion of viral reverse transcription[19]. However, the determination of which cellularkinases and phosphatases are responsible for suchfunctionally...

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