báo cáo khoa học: "Genetic study of Dandarawy chickens: I Heritabilities and genetic correlations of body weight and weight gain" ppt

báo cáo khoa học: "Genetic study of Dandarawy chickens: I. Heritabilities and genetic correlations of body weight and weight gain" ppt

... First, we will discuss heritability estimates of body weight and weight gain.The heritability estimates of body weight and weight gain as summarized by Kinney(1969) ranged ... Heritability estimates and types of gene action of some economic traits in&dquo;Dokki 4&dquo;. II. Heritability and types of action on 8 and 12 weeks body weight. ... body weight. The genetic and environmental correlations of body weight are shown in Table IV. Itwas noticed that the genetic correlations between hatch weight and weights at differentages...

Tài liệu Báo cáo khoa học: "A study of Information Retrieval weighting schemes for sentiment analysis" doc

... (IR) and adaptit to the domain of sentiment classiﬁcation.3.1 The classic tf.idf weighting schemesThe classic tf.idf formula assigns weight w i toterm i in document D as:w i = tf i · idf i = ... hand, usingidf to assign weights to features is less intuitive,since it only provides information about the gen-eral distribution of term i amongst documents of all classes, without providing ... additional evi-dence of class preference. The utilization of idfin information retrieval is based on its ability todistinguish between content-bearing words (wordswith some semantical meaning)...

Báo cáo khoa học: A study on genomic distribution and sequence features of human long inverted repeats reveals species-speciﬁc intronic inverted repeats pptx

... transcriptioninitiation of genes, initiation of DNA replication and alternative splicing of exons. The small interference(si)RNA genes active in RNA interference compriseinverted repeats capable of forming ... candidates with a threshold score of 8, and found that 267 of the LIRs are potential siRNA genes.The validity of these motifs in gene silencing requiresfurther empirical examination.LIRs and ... compensating mutations comprise one line of evi-dence for the functional role and adaptive evolution of the primate LIRs.The biological proﬁling of the orthologs withhuman-speciﬁc LIRs implies their...

Báo cáo khoa học: NMR study of complexes between low molecular mass inhibitors and the West Nile virus NS2B–NS3 protease ppt

... NS2B–NS3pro is nontrivial. In one study, competitive inhibitors with an inhibition constant of 3 lm were found and their binding to WNV NS2B–NS3pro modelled [11]. In another, noncompetitiveinhibitors ... in the absence of inhibitor [4] and in thepresence of peptide inhibitors [5,6] or bovine pancre-atic trypsin inhibitor (BPTI) [4]. In the absence of inhibitor, the structure shows the b-hairpin ... Department of Biochemistry, University of Zu¨rich, SwitzerlandIntroductionWest Nile virus (WNV) encephalitis is a mosquito-borne disease that infects mainly birds, but alsoanimals and humans. It...

Báo cáo khoa học: "Empirical Study of Predictive Powers of Simple Attachment Schemes for Post-modifier Prepositional Phrases" pptx

... infrequently and since one of the major foci of the study was to try to find general means of deciding attachment of PPs, individualization of these PPs was, at first, discounted. In some of the prior ... definite, indefinite, generic, and generic plural noun phrases (Crain and Steed- man 1984). In a streamlined version of the theory (Hirst 1987), definite noun phrases require the re- cipient ... Provide DEPARTURE TIMES fi'om Dublin o,~ 9/20/86 to Boston with ARRIVAL TIMES in Boston. 27 Empirical Study of Predictive Powers of Simple Attachment Schemes for Post-modifier Prepositional...

Báo cáo khoa học: A study of microRNAs in silico and in vivo: diagnostic and therapeutic applications in cancer pot

... compilation ª 2009 FEBS 2163MINIREVIEWA study of microRNAs in silico and in vivo: diagnostic and therapeutic applications in cancerScott A. Waldman1 and Andre Terzic21 Departments of Pharmacology ... observations highlightthe potential of miRNAs as biomarkers for diagnosis,taxonomic classiﬁcation, prognosis, risk stratiﬁcation and prediction of therapeutic responses in patientswith cancer.Corruption ... oncogenic miRNAs,silence miRNA expression in mouse models in vivo[63]. The speciﬁcity of targeting inherent in nucleic acidbase complementarity, coupled with their mechanisticrole in neoplastic...

Báo cáo khoa học: A study of microRNAs in silico and in vivo: bioimaging of microRNA biogenesis and regulation doc

... networks in disease and after applica-tion of a variety of therapeutic strategies. Critically,the noninvasive imaging approach of miRNA genera-tion and its activity will improve our ability to diag-nose ... [11]. Therefore,a variety of imaging strategies, showing each step inthe generation of miRNAs, will provide criticalBioimaging of miRNA biogenesis and regulation S. Kim et al.2168 FEBS Journal ... including luciferase for optical imaging and sodium iodide symporter and herpes simplex virus1-thymidine kinase for radionuclide imaging, havebeen widely used to track the distribution of implantedstem...

Báo cáo khoa học: Structural study of the catalytic domain of PKCf using infrared spectroscopy and two-dimensional infrared correlation spectroscopy pot

... and the heights, widths and positions of each band were optimized successively. Data treatment and band decomposition of the original amide I or amide I regions have been described previously [29,32,54]. ... 32.Derivation gave the number and position, as well as an esti-mation of the bandwidth and the intensity of the bandsmaking up the amide I or I region. Thereafter, curve ﬁttingwas performed and ... & van Blitters-wijk WJ (1994) Phosphatidic acid activation of proteinkinase C-f overexpressed in COS cells: comparison withother protein kinase C isotypes and other acidic lipids.Biochem J...

Báo cáo khoa học: Kinetic study of the HIV)1 DNA 3¢-end processing Single-turnover property of integrase docx

... Jr(2004) 1-Chicoric acid inhibits human immunodeﬁciencyvirus type 1 integration in vivo and is a noncompetitivebut reversible inhibitor of HIV-1 integrase in vitro.Virology 326, 203–219.34 King PJ, ... the main limiting step for mul-tiple turnover. First, it is unlikely that DNA binding islimiting even if it is slow. This step is responsible forthe sigmoidal shape of the product formation ... compatible with the ability of IN to bind nonspeciﬁc sequences of DNA tightly and are consistent with a previous study suggesting a rapid and nonspeciﬁc DNA binding of IN followed by aslow and...

Báo cáo khoa học: The study of G-protein coupled receptor oligomerization with computational modeling and bioinformatics doc

... thedimers and, (b) they provide criteria for the design of experiments to probe the functional effects of dimeriza-tion ⁄ oligomerization on mechanisms of ligand binding and extent of activation ... involved indimerization ⁄ oligomerization interfaces. This ﬁnding isintriguing given the recent experimental data suggest-ing a role for precisely TM1 and TM4 in the dimeri-zation ⁄ oligomerization ... toinvestigation of GPCR oligomerization, as illustratedin this review, should then enable rapid success inunraveling the mechanisms and functional implications of GPCR oligomerization in GPCR signaling...

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