Báo cáo khoa học: "Comparative studies on the pathogenicity and tissue distribution of three virulence variants of classical swine fever virus, two field isolates and one vaccine strain, with special regard to immunohistochemical investigations" ppt

... variants of classical swine fever virus, two field isolates and one vaccine strain, with special regard to immunohistochemical investigationsKatinka Belák*1,2,6, Frank Koenen3,6, Hans Vanderhallen3,6, ... sandor.belak@bvf.slu.se* Corresponding author AbstractBackground: The aim of this study was to compare the tissue distribution and pathogenicity of three virulence variants of classical swine ... the development of the macro- and microscopical changes, and in the tissue distribution of CSFV in the three experimental groups.Conclusion: The present study demonstrates that in the case of...

Tài liệu Báo cáo khoa học: Comparative studies on the functional roles of N- and C-terminal regions of molluskan and vertebrate troponin-I pdf

... induces the dissociation of the inhibitory region,which is adjacent to the regulatory TnC-binding site,from actin, resulting in the release of the inhibition and muscle contraction [17]. The structural ... volumes of 5M urea solution and then run on SDS ⁄ PAGE. Lanes a and d, in the absence of both TnC and Ca2+; lanes b and e, in the presence of TnC and the absence of Ca2+; lanes c and f, in the ... integrity of the tro-ponin complex. In molluskan muscles, the C-terminalregion does not function and troponin regulatescontraction only through the activation exerted by the N-terminal region of...

Báo cáo khoa học: NMR studies on the interaction of sugars with the C-terminal domain of an R-type lectin from the earthworm Lumbricus terrestris pot

... atoms of the galac-tose residue of lactose formed hydrogen bonds with EW29Ch, and the C3, C4, C5, C6, O3 and O6 atoms of the galactose residue formed stacking interactions with both the a and ... 54%. The H2 proton had a smaller STD intensity of 30%. The lowest intensities corresponded to the H1 proton and protons of the O-methyl group, whichreached only 18% and 11%, respectively. Theseresults ... the center of the broadened signalsshifted to the position of the second signal correspond-ing to the bound state during titration ([sugar] ⁄[EW29Ch] = 0.5–3) and the resonance signal of the side-chain...

Báo cáo khoa học: "Comparative studies on pheno- and genotypic properties of Staphylococcus aureus isolated from bovine subclinical mastitis in central Java in Indonesia and Hesse in Germany" potx

... important virulence factors and contribute to bacterial adhesion and to invasion of the bovine mammary gland [19]. However,mutants defective in either of the two fnb-genes adheredequally well to fibronectin ... might help to understand the distribution of prevalent S. aureus clonesamong bovine mastitis isolates, which can be the base to investigate and control the hitherto unknown route of S.aureus ... amplicon size of 780 bp. Amplification of the X-region of spa gene of the S. aureus isolated fromCentral Java, Indonesia showed two different sizedamplicons of 270 and 320 bp for 6 and 10 isolates, respectively....

Báo cáo khoa học: "Comparative study on the aflatoxin B1 degradation ability of rumen fluid from Holstein steers and Korean native goats" pot

... symptoms. The consumption at the rate of more than 200% of the body weight of sheep and goat, 4-10% of the body weight of cattle and horse and 5% of the body weight of chicken was required to ... water for preparation of the working solution, the concentration of which was further diluted in order to be within the detection range of the kit (AgraQuant Total Aflatoxin Test kit (4-40 ... to the destruction of live microbes and enzymes in autoclaved rumen fluid, therefore indicating the role of microbes in toxin degradation. The time required for the biotransformation of toxins...

Báo cáo khoa hoc:"Comparative analysis on the structural features of the 5 ﬂanking region of κ-casein genes from six different species" pot

... conserved region, the con-served lactogenic hormone response region, and to reveal the signiﬁcance of the differences compared with other milk protein genes.ACKNOWLEDGEMENTSWe would like to ... [10]. Therefore, the lack of the two ruminant repetitive elements in the other three species and the lack of the L1PA2 insertion in the ﬁve other promoters indicates that120 A. Gerencsér et al. and ... corresponding transcription factors contribute to the regulation of mammary gland-speciﬁc gene expression. We sequenced1.9 kb of the rabbit and murine κ-casein 5ﬂanking regions and the publishedhuman...

Báo cáo khoa học: "Comparative study on the in vitro and in vivo properties of two bovine herpesvirus-5 reference strains" pptx

... one of them showing an inter-mittent profile of viral excretion (Table 1). All the ani-mals infected with A663 strain shed virus, three of themexcreted during 5-13 days and the remaining one showed ... available. In the case of animal 191, asdis cussed above, the reason coul d have been the lack of infection.Conclusions The in vitro and in vivo properties of two strains of BoHV-5 belonging to different ... inste ad of viral strains with unknown his-tory. Taking all this into consideration, further researchshould be done in order to better understand the biol-ogy of BoHV-5 and the relevance of its...

Báo cáo Y học: Structural studies on the core and the O-polysaccharide repeating unit of Pseudomonas aeruginosa immunotype 1 lipopolysaccharide pot

... pseudomolecular ions. Anexplanation of the fragments is shown at the top of the region C. MP1,MP1Ac1, etc., refer to the molecular ions with one phosphate group and no or one O-acetyl group, ... or b)andthesiteofattachmentofQuiNActoRha(atposition2or3)aswellaswithO-acetylation and amidation of the GalNA derivatives(Table 3). Because O-acetylation and amidation, which arenonstoichiometric, ... phosphorylation but data on the location of the phosphate groups are contradictory [5–7]. The outer core region contains up to fourD-glucoseresidues, one L-rhamnose residue, and one residue of N-(L-alanyl)-...

Báo cáo khoa học: Mechanistic studies on bovine cytosolic 5¢-nucleotidase II, an enzyme belonging to the HAD superfamily doc

... for one of the two s ubstrates or by a variation of the kcatvalue for one of the two activities. The oxidative inhibitory effect was measured by incuba-ting the enzyme w ith CuCl2(ﬁnal concentration ... ep-tide, wo uld seem to control the relative abundance of these two cN-II forms, thus modulating the different response to enzyme ligands.Interestingly, in addition to the above-mentioned differ-ences ... reaction buffer. The cycling conditionsin the second PCR were the same as those used in the ﬁrstPCR, but in the second PCR, the annealing temperaturewas always 60 °C.Expression of the recombinant...

Báo cáo khoa học: "Comparative studies of the water relations and the hydraulic characteristics in Fraxinus excelsior, Acer pseudoplatanus and A. opalus trees under soil water contrasted conditions Damien Lemoinea, Jean-Paul Peltierb and Gérard" pdf

... are common and widespread throughout the NorthAlpine region [11]. The objectives of this study were to assess the waterstatus of the plants by monitoring the diurnal changes instomatal conductance ... conditions, two different sites were selected, one in the valley of the Drac river, the other in a mountain stand in the Alps. The experiments were conducted on leaf petioles (full symbols) and branches(empty ... symbols). These data are obtained from two individual trees of each population. Errors bars represent one standard deviation(n = 6–8).water availability to the trees. Under these conditions,the...

Xem thêm