in vitro batch fermentations
In Vitro Screening of Plant Resources for Extra-Nutritional Attributes in Ruminants: Nuclear and Related Methodologies pptx
... to the methods involved in collecting, preparing and screening plants for bioactive properties for use in manipulating key ruminal fermentation pathways and against gastrointestinal pathogens ... Contents 10 Screening Plants and Plant Products for Methane Inhibitors Secundino López, Harinder P.S Makkar, and Carla R Soliva 191 11 Challenges in Extrapolating In Vitro Findings to In Vivo Evaluation ... extrapolating in vitro findings to in vivo evaluation of plant resources The chapters in this book are written by experts interested in exploring and making better use of plant biodiversity for improving...
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ECOLOGY OF COLD SEEP SEDIMENTS: INTERACTIONS OF FAUNA WITH FLOW, CHEMISTRY AND MICROBES potx
... quantitative sampling of associated fauna In uence of seep clams on associated infauna is discussed later in the section on macrofauna Seep infauna Foraminifera Interest in Foraminifera at methane ... seeps in the Santa Barbara Basin off California include Bolivina tumida, Epistominella pacifica, Oridorsalis umbonatus and Uvigerina peregrina It has been proposed that the first of these occurs mainly ... examining a limited number of specimens, did not find symbionts in Monterey seep Foraminifera, despite their presence in four common foraminiferal species in bacterial mats from non-seep sites in...
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INTERACTIONS OF POLYMERS WITH FIBRILLAR STRUCTURE OF CELLULOSE FIBRES: A NEW APPROACH TO BONDING AND STRENGTH IN PAPER docx
... refining Refining is an energy-intensive mechanical process which considerably improves fibre bonding and results in stronger paper The mechanism of refining in improving fibre bonding and paper ... natural linear aminopolysaccharide of 1-4 -D-glucosamine derived from chitin by deacetylation Chitin (linear 1-4 -N-acetyl-D-glucosamine polysaccharide) exists mainly as a structural polymer in the ... kuivatusolosuhteiden optimoinnin polymeerin ja haluttujen tuoteominaisuuksien perusteella Kitosaanin erityinen kyky parantaa sekä märän että kuivan paperin lujuutta liittyi polymeerin pH-riippuvaiseen...
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Báo cáo khoa học: Surface-enhanced vibrational spectroscopy for probing transient interactions of proteins with biomimetic interfaces: electric field effects on structure, dynamics and function of cytochromec doc
... modes reflecting a reaction of the protein and originating from its active site, respectively An additional increase in sensitivity, required to probe proteins bound to or integrated in membrane ... iron, leading to a coordination equilibrium between a five-coordinated and a six-coordinated species, in which this axial coordination site remains vacant or is occupied by a histidine (His33 ... transfer in the high-field regime Molecular dynamics simulations of cytochrome c immobilized on electrodes coated with carboxyl-terminated SAMs have identified two main binding domains, differing with...
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Báo cáo khoa học: Interactions of ultraspiracle with ecdysone receptor in the transduction of ecdysone- and juvenile hormone-signaling pdf
... receptor in hormone signaling a construct containing a single motif in the fi direction was used in this study Cell culture and transfections Spodoptera frugiperda cell line, Sf9, was maintained and ... alone increased Yet, under the same conditions, transfection of increasing amounts of USP-expressing plasmid does not cause an increase in response to 20OHE alone, but instead causes a decline in ... receptors, including human RXR (which is the ortholog of USP) have shown that an area on the surface of the ligand binding domain involving the C-terminus of a-helix 3, a-helix 4, and the N-terminus...
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Báo cáo y học: "Complex genetic association of 6q23 with autoimmune rheumatic conditions" docx
... be required as initial steps in determining its potential role in modulating PTPN11 expression An alternative explanation is that a polymorphism within an enhancer sequence in the intergenic region ... understanding of the biological basis of the genetic associations of this region with autoimmune rheumatic diseases Competing interests The authors declare that they have no competing interests ... OH, Aravin AA, Stein P, Girard A, Murchison EP, Cheloufi S, Hodges E, Anger M, Sachidanandam R, Schultz RM, Hannon GJ: Pseudogene-derived small interfering RNAs regulate gene expression in mouse...
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Interactions of viologens with conducting polymers, metal salt solutions and glucose oxidase
... Well-dispersed gold and platinum particles ranging from 10 nm can also be readily obtained via the reduction of the corresponding salt solution in a poly(vinyl alcohol) (PVA) matrix containing benzyl viologen ... several conducting polymers Figure 2.8 Octameric structures of polyaniline in various intrinsic redox states Figure 2.9 A simple band picture explaining the difference between an insulator, a semiconductor ... results in the conversion of the PANI in the emeraldine (EB) state from the insulating to the conducting state The effects of the VBC graft density and ultraviolet (UV) irradiation intensity were investigated...
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Tài liệu Báo cáo khoa học: Comparison of a coq7 deletion mutant with other respiration-defective mutants in fission yeast doc
... from the same strains wild-type strain, in LN902 harboring pREP1–coq7Sp, and in LN902 harboring pREP1–TPCOQ7, whereas demethoxyubiquinone-10 was only detected in LN902 harboring the pREP1 vector ... apt1 occurred in all ubiquinone-deficient strains, induction of gpx1+ was not observed in any of the tested strains (Fig 6) However, in the wild-type strain treated with mm H2O2 for 15 min, a high ... LN902(coq7::ura4) harboring pREP1–TPCOQ7 or pREP1–coq7Sp, and SP66 harboring pREP1, were grown on PM medium containing (a) or not containing (b) cysteine, and their growth was compared (B) Ubiquinone (UQ)...
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Báo cáo khoa học: The capsid protein of human immunodeficiency virus: interactions of HIV-1 capsid with host protein factors ppt
... Cyclophilin catalyzes protein folding in yeast mitochondria Proc Natl Acad Sci USA 92, 6319– 6323 28 Lodish HF & Kong N (1991) Cyclosporin A inhibits an initial step in folding of transferrin within ... proper folding of CA [42,43] The highly exposed, flexible cyclophilin binding loop lies in the CyPA binding pocket proximal to other CA and CyPA atoms that stabilize binding though hydrophobic interactions ... CyPA binding loop (HAGPIA) CA-NTD Cyclophilin A (CyPA) multimerize were deficient in CyPA binding CyPA binding to mature CA causes structural changes in the CA-CTD, as is evident by the inability...
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Báo cáo khoa học: Interactions of imidazoline ligands with the active site of purified monoamine oxidase A potx
... Imidazoline ⁄ guanidinium binding domains on monoamine oxidases ) relationship to subtypes of imidazoline-binding proteins and tissue-specific interaction of imidazoline ligands with monoamine-oxidase-B ... irreversible inhibition of MOA in vivo has been shown to reduce the density of imidazoline-binding sites in rat brain [38,39] Here we have used kinetic and spectral techniques to characterize the binding ... for inhibitor binding with kynuramine and MPTP [29] Difference spectra and binding curves When ligands bind to the active site of MAO-A, the environment of the flavin is altered, resulting in spectral...
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Báo cáo khoa học: Interactions of HIPPI, a molecular partner of Huntingtin interacting protein HIP1, with the specific motif present at the putative promoter sequence of the caspase-1, caspase-8 and caspase-10 genes pdf
... hydrophobic ones in the later [8] DED-containing proteins are known to participate in diverse cellular functions, including apoptosis through receptor signaling [20,21] Other DED-containing proteins, such ... remains to be determined HIPPI does not have any similarity with known proteins having DNA-binding motifs However, it contains the pDED at the C-terminus (amino acid residues 335–426) and a myosin-like ... Fig In vitro binding assay of putative HIPPI-binding motif AAAGACATG and its mutant (A) EMSA of binding of the end-labeled bp motif AAAGACATG and two of its mutants with purified GST–HIPPI protein...
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Báo cáo khoa học: Differential interactions of decorin and decorin mutants with type I and type VI collagens pptx
... fibrils Thus, interactions between the collagens and decorin are of paramount importance in attaining and maintaining tissue integrity In the present study we investigate the binding properties ... cylinder (A) Interaction involving dimerization of decorin and binding of both collagens to the inner surface of decorin (B) Interaction of type I collagen with the inner surface of the decorin ... concentrations were as indicated (B) Interaction with wild-type decorin in HBS buffer (solid lines) and in HBS buffer containing 15 lM ZnCl2 (dotted lines) Wild-type decorin concentrations were as indicated...
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Báo cáo Y học: Molecular interaction of neutral trehalase with other enzymes of trehalose metabolism in the fission yeast Schizosaccharomyces pombe pdf
... association in vitro In order to analyse possible interactions between trehalose-6-P synthase and neutral trehalase interaction in vitro, we constructed strains C3 and C69, which express a C-terminal ... respectively DISCUSSION Two main lines of evidence lead us to propose that in the fission yeast S pombe neutral trehalase (Ntp1p) interacts in vitro with other proteins involved in trehalose metabolism ... may be integrated mechanisms These findings indicate a divergence in the molecular designs controlling trehalose metabolism in S pombe from those in S cerevisiae MATERIALS AND METHODS Strains and...
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Đề tài " On the periods of motives with complex multiplication and a conjecture of GrossDeligne " pdf
... and interesting discussions e Part of this paper was written when the first author was visiting the NCTS in Hsinchu, Taiwan He is grateful to this institution for providing especially good working ... the de Rham complex and obtain a first formula (11) which involves differential-geometric invariants (in particular, the equivariant Ray-Singer analytic torsion); these invariants are shown to vanish ... by Q Indeed, assuming the Hodge conjecture, one can show by examining its associated Hodge structures that some exterior power of M (taken over Q) is isomorphic to a motive over Q lying in the...
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Báo cáo khoa học: Interactions of elongation factor EF-P with the Escherichia coli ribosome doc
... which is a precursor of hypusine in the eIF-5A protein [32] The model in Fig 5, in which the orientation of the spermidine residue of EF-P is facing the mRNA-binding pocket of the 30S subunit ... microgram quantities of protein utilizing the principle of protein-dye binding Anal Biochem 72, 248–254 Gatlin CL, Kleemann GR, Hays LG, Link AJ & Yates JR III (1998) Protein identification at the ... reside close to the mRNA binding site on the neck of the 30S subunit, adjacent to the G526 streptomycin and the ribosomal protein S12 binding sites (Figs and 5) Interestingly, the structural paralog...
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Báo cáo khoa học: Interaction of the C1 complex of Complement with sulfated polysaccharide and DNA probed by single molecule fluorescence microscopy pdf
... the Ôarms domainÕ of CLR, which contains the binding site of the tetramer C1r2–C1s2 It has been reported that basic residues lysine and arginine in the hinge region are involved in the assembly ... DNA binding site on CLR does not overlap with the binding site of the tetramer in the hinge region It is likely that DNA binds to the stalk domain of CLR, consistent with previous findings showing ... ascertain the binding of fucoidan to C1q and to determine the site of interaction on the protein For this purpose we took advantage of the binding properties of C1q toward DNA and of an emerging...
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Báo cáo khóa học: The proteasome inhibitor, MG132, promotes the reprogramming of translation in C2C12 myoblasts and facilitates the association of hsp25 with the eIF4F complex pptx
... staining was diffuse, being localized, in part to the perinuclear region and to areas of more intense staining at the cell periphery (Fig 4C) Similarly, aB-crystallin was detectable in resting ... results in a reorganization of the actin filament system, playing a role in the migration of endothelial cells and in recovery of cells from wounding [40] In a variety of cells, in addition to the induction ... on-going investigation into the regulation of protein synthesis in mammalian cells, we have investigated the effects of inhibition of the proteasome on the localization and integrity of eIF4G in...
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Báo cáo khoa học: Characterization of the interactions of the nephrin intracellular domain Evidence that the scaffolding protein IQGAP1 associates with nephrin potx
... and its interaction with nephrin has been examined also in vitro, although the mapping of interacting domain for nephrin binding resulted in controversial reports [27,28] Studies employing gradient ... phosphorylated by Fyn kinase in vitro Phosphorylation of a tyrosine residue within the N-terminal half of the domain generates a binding site for phosphoinositide 3-kinase (A) After in vitro phosphorylation ... fingerprinting The excised silverstained gel pieces containing the protein sample were destained and treated for in- gel digestion according to Gharahdaghi et al [62] Incubation with porcine trypsin...
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Báo cáo Y học: Chimeric receptor analyses of the interactions of the ectodomains of ErbB-1 with epidermal growth factor and of those of ErbB-4 with neuregulin potx
... receptor A deletion in the N-terminal region of domain I impaired the EGF binding of ErbB-1 [21] The N-terminus of EGF was linked to Tyr101 in domain I by using a covalent cross-linking reagent [22] ... reported conclusions, that EGF binding to the receptor depends mainly on domain III and less on domain I in the bivalent binding [18] Therefore, binding assays using the chimeras between ErbB-1 ... EGF in the assays using the same transfectant cells This also indicates that the ErbB-1 domain I is involved in EGF binding, but the contribution of domain I is smaller than that of domain III...
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Báo cáo khoa học: Interactions of the peripheral subunit-binding domain of the dihydrolipoyl acetyltransferase component in the assembly of the pyruvate dehydrogenase multienzyme complex of Bacillus stearothermophilus pot
... (especially bearing in mind the experimental uncertainties in determining Kd values in this region by ITC) The R135K mutant behaved most like the wild-type This suggests that electrostatic interactions ... significantly in positive and negative directions, respectively This remains to be explained In mutagenesis studies, lysine is usually regarded as the best substitute for arginine in conserving the ... significantly different, both in length and in the point (lysine) and delocalized (arginine) positive charge Unlike lysine, arginine is capable of multiple types of interaction; it has the ability to...
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