Báo cáo khoa hoc:"Effect of the slow (K) or rapid (k +) feathering gene on body and feather growth and fatness according to ambient temperature in a Leghorn × brown egg type cross" ppsx
Báo cáo khoa hoc:"Effect of the slow (K) or rapid (k +) feathering gene on body and feather growth and fatness according to ambient temperature in a Leghorn × brown egg type cross" ppsx
... articleEffect of the slow (K) or rapid (k +) feathering gene on body and feather growth and fatness according to ambient temperature in a Leghorn × brown egg type crossJean-Claude FOTSA a , Philippe ... especially concerning remiges and rectrices. At one day of age, the primary and secondary feathers are like coverts in a slow feathering chick, and at eight days they do not have tails. Owing to the ... Fotsa et al.1. INTRODUCTION The sex-linked slow- feathering (K) or rapid- feathering (k +) genes, describedby Serebrovsky [16] and Warren [19], are responsible for the speed of feathering in...
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Báo cáo khoa học: " Effect of the medical emergency team on long-term mortality following major surgery"
... stabilization of vital parameters, phys-ical and neurological examination, radiography and laboratoryanalysis. Patients on catecholamines upon arrival showed clin-ical and laboratory signs of severe ... the aspiration of immersionfluids as well as marine and soil debris into the respiratorytract, thus producing intrapulmonary inoculation of bacteria. In accordance, all patients admitted to ... P. aeruginosa and MRSA from wounds, A. baumanii, Alcaligenes xylooxidans, E.faecalis and faecium, K. pneumoniae, MRSA and S. mal-tophilia from the respiratory tract, Candida species and E. fae-cium...
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Báo cáo khoa học: Effect of the -Gly-3(S)-hydroxyprolyl-4(R)-hydroxyprolyltripeptide unit on the stability of collagen model peptides ppt
... helix has a largeeffect on the transition enthalpy. Adding another alsoshows a further significant decrease of the transitionenthalpy. Further additions only lead to a minordecrease in the transition ... in the a1 chains of type I collagen or are other functions impaired as a result of mutations in the molecules of the complex? It may well be that3(S)Hyp is important for bone mineralization, ... WatersCorp., Milford, MA, USA), and amino acid analysis. The Ac-(Gly-Pro-3(S)Hyp)10-NH2peptide was also characterizedby MALDI-TOF at the Stanford Protein and Nucleic Acidfacility (Stanford,...
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Tài liệu Báo cáo khoa học: Effect of ionic strength and oxidation on the P-loop conformation of the protein tyrosine phosphatase-like phytase, PhyAsr docx
... [12,13] and RPTPa [15], the posi-tions of the active site arginine and the WPD loop are in the open (general acid) conformation. The general acidloop and active site arginine in PhyAsr are not ... rearrangement regardless of the position of the general acid and active site arginine. In summary, the conformation of the P-loop only changes: (a) when the general acid loop and active site arginine ... ionic strength, the P-loop of PhyAsr adopts a catalytically inactive, open conforma-tion in the absence of ligand, and a catalytically active,closed conformation upon substrate binding [7]. P-loopmovements...
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Tài liệu Báo cáo khoa học: Effect of deletion of the DNase I hypersensitive sites on the transcription of chicken Ig-b gene and on the maintenance of active chromatin state in the Ig-b locus docx
... bytransient transfection, was associated with DHSs in the Na channel gene and in the first intron of the Ig-b gene. Furthermore, the acetylation status of H3 and H4 histones was examined [15]. In the present ... a region with a low acetylation level of the core histones and a chromatin state in the flankingregion resistant to DNase I [1]. In this case, the forma-tion of cell type- specific DHS again does ... histonesat the targets in the last exon of the Na channel gene (target 3) and in the fourth exon of the GH gene (target8) was shown to be the same as in the cells before and after region II deletion....
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Tài liệu Báo cáo khoa học: Effect of gadolinium on the ryanodine receptor/ sarcoplasmic reticulum calcium release channel of skeletal muscle docx
... mV) in the presence of 2 lM gadolinium trans. The ratio of the Ponormvalues to the average of the Ponormvalues during oneexperiment was plotted against the holding potential. Data pointscould ... ryanodine and the amount of ryanodine bound was plottedagainst the concentration of the gadolinium (Fig. 7).Fitting of data points with the Hill equation revealed a Kdvalue of 14.7 ± 0.7 lm and a ... the channel at100–250 lm and inactivation at higher luminal calciumconcentrations [15,16]. As the effect of the luminal cal-cium concentration was voltage-dependent and the acti-vation depended...
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Báo cáo khoa học: Effect of annealing time of an ice crystal on the activity of type III antifreeze protein pdf
... of type III AFP onto the convex ice front during the annealingperiod (2–3 h). (D) AFPs bound onto the convex ice front narrow the growth area(dashed line), leading to an enhancement of TH activity.M. ... is generally used as a measure of the growth inhibition ability of an AFP [5]. Therefore, determina-tion of the Tini and Tm of a seed ice crystal is an essen-tial procedure to evaluate the ... we examined the dependence of TH on experimental parameters, including cooling rate, annealing time,annealing temperature and the size of the seed ice crystal for an isoform of type III AFP from...
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Báo cáo khoa học: Effect of oculopharyngeal muscular dystrophy-associated extension of seven alanines on the fibrillation properties of the N-terminal domain of PABPN1 pot
... conclu-sion was based on investigations employing mutants in which the RNA-binding domain of PABPN1 hadbeen either deleted or inactivated by point muta-tions. The absence of an intact RNA-binding ... increase in ANS fluorescence was fitted to a first-order reac-tion to determine the rates of fibril formation. (B) Rates of fibril for-mation (per day) as a function of the seed concentration. Error ... N-WT and N-(+7)Ala werealso observed at the level of fibril morphology. A likelyinterpretation is that the number of alanines deter-mines the arrangement of the b-strands leading to vari-ations...
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Báo cáo khoa học: Evidence for the slow reaction of hypoxia-inducible factor prolyl hydroxylase 2 with oxygen pptx
... degradation by the proteasome. Fac-tor inhibiting hypoxia-inducible factor catalyses the hydroxylation of anasparagine-residue in hypoxia-inducible factor, inhibiting its transcriptionalactivity. ... presence of CODD, the consumption of 2OG, the formation of succinate and the formation of the hydroxylated-CODD product are almost con-temporaneous, and sufficiently rapid to account for the steady-state ... rise to a metal -to- ligandcharge transfer band at approximately 520 nm [27].Substrate binding adjacent to the Fe(II) is proposed to weaken binding of the remaining coordinated water,thus enabling...
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Báo cáo khoa học: Effect of heliquinomycin on the activity of human minichromosome maintenance 4/6/7 helicase pdf
... solution (0.4 lL) containing or lackingheliquinomycin was added to the reaction mixture. The final con-centrations of heliquinomycin added to the reaction mixture areindicated at the top. The DNA ... concentrations of heliquinomycin on the DNA polymerization activity of the DNA polymerase -a/ prim-ase. The reaction was performed using activated DNA as a primer and template. The acid-insoluble radioactive ... Pi and ATP migrated was measured, and the ratio of the released Pi to ATP was calculated. The ratio obtained in the case of the reaction performed without the enzymes was subtractedfrom that...
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