Báo cáo khoa học: "Phylogenetic analysis of Newcastle disease viruses isolated from waterfowl in the Upper Midwest Region of the United States" potx

... AccessResearchPhylogenetic analysis of Newcastle disease viruses isolated from waterfowl in the Upper Midwest Region of the United StatesNaresh Jindal, Yogesh Chander, Ashok K Chockalingam, Martha de Abin, Patrick ... characterize Newcastle disease virus (NDV) isolatesobtained from waterfowl from the Upper Midwest region of the United States. A total of 43 NDVswere isolated by inoculation of cloacal samples in embryonated ... to characterize NDVs isolated from waterfowl in the Upper Midwest region of the US. The initial aim of this study was to isolate and characterizeAIV from waterfowl. During the study period, 7458...

Báo cáo khoa học: " Phylogenetic analysis of the non-structural (NS) gene of influenza A viruses isolated from mallards in Northern Europe in 2005" ppsx

... for the function of NS1 protein in the infected cells[7,10,16-18]. Our knowledge about the existence of thesemotifs in the NS gene pool of influenza A viruses in theirnatural reservoirs is insufficient. ... variation in the NS gene pool of influenza A viruses in their naturalreservoirs in Europe is incomplete. In this study we determined the subtypes and prevalence of influenza A viruses present in mallards ... coredata, contributed to the interpretation of the findings andrevised the manuscript. UB propagated the viruses, con-tributed to the interpretation of the findings and revised the manuscript. ME,...

Báo cáo khoa học: " Phylogenetic analysis of three genes of Penguinpox virus corresponding to Vaccinia virus G8R (VLTF-1), A3L (P4b) and H3L reveals that it is most closely related to Turkeypox virus, Ostrichpox virus and Pigeonpox virus" ppt

... turkey. PEPV infection is evident in juvenile Africanpenguins especially in the summer months when the pen-guins spend the majority of their time on land (moultingand/or nesting) and there are ... were selected for analysis in order to deter-mine the relationship of PEPV to other avipoxviruses pre-viously analysed at these loci [14]. The analysis involvedMUSCLE [15] amino acid and nucleotide ... is thereforemore easily detected in the nucleotide sequences due to the increased number of changes and nucleotidesequences were therefore used for analysis of the P4b andenvelope protein,...

Tài liệu Báo cáo khoa học: Experimental proof for a signal peptidase I like activity in Mycoplasma pneumoniae, but absence of a gene encoding a conserved bacterial type I SPase pdf

... the amino terminus of the pro-tein. Using this method, we showed that asparagine 26represents the amino terminus of P40. Knowing, that the ﬁrst amino acids of the processed P40 and P90 is the ... N-terminusinstead of a free amino group [32]. Therefore, the asparagine in position 26 was labeled within the intactprotein at its a-amino group and represents the aminoterminal amino acid of ... the program exprot [23]. Both methodsfailed to conﬁrm the cleavage site of the main adhesineP1 of M. pneumoniae. This is the only other M. pneu-moniae protein, of which the N-terminus of the...

báo cáo khoa học: " HIV as a chronic disease considerations for service planning in resource-poor settings" docx

... study in South Africa[12] determined the cost of using tenofovir to be about five times that of the stavudine it replaces. Meanwhile, the manufacturers of the pa tented versions of many of the ... monitoring of their continuing efficacy.An increasing proportion of the HIV caseload in developing countries is now able to access free -of- chargetreatment. However, most governments of countrieswith ... currently reducing the l evel of discountingthey offer to middle-income countries[13].If the extra money cannot be found to pay higherprices for ARVs, and the lobbying efforts of the Accessto...

Báo cáo khoa học: "High frequency oscillatory ventilation compared with conventional mechanical ventilation in adult respiratory distress syndrome: a randomized controlled trial" potx

... because of competing trials but probably due to the limited number of investigators (four centres compared withnine centres in the study by Derdak et al.). The number of patients included in the ... wasapproved by the ethical committee board of all participatinginstitutions and was in compliance with the Helsinki Declara-tion. Informed consent was obtained from next of kin of patients prior ... are percentages of N (number of patients included in the analyses) except for CLD (Chronic Lung Disease) that has the number of survivors in the denominator. CI, confidence interval; OR, odds...

Báo cáo khoa học: " Sequence analysis of the S1 glycoprotein gene of infectious bronchitis viruses: identification of a novel phylogenetic group in Korea" docx

... infectious bronchitis viruses (IBVs) were isolated in the field from chickens suspected of being car-riers of infectious bronchitis between 2001 and 2003. The S1 glycoprotein genes of these IBV isolates ... fact consist of a mixture of two dif-ferent kinds of viruses. Distinguishing between these pos-sibilities will require further characterization using cloned viruses. The evolution of IBV appears ... uses of various vaccines made from heterologous IBVs in the field may also exert pressure resulting in the increase of new genetic variants in Korea. In summary, 12 Korean field IBVs were isolated...

Tài liệu Báo cáo khoa học: Proteomic analysis of dopamine and a-synuclein interplay in a cellular model of Parkinson’s disease pathogenesis docx

... Regardless of dopamine treatment, overexpres-sion of a-synuclein signiﬁcantly affected the levels of four proteins [stathmin 1, glutathione S-transferase(GST)p, Ran 1 binding protein and C1q binding ... associated with the combination of factorsanalyzed in the present study (i.e. dopamine together with a-synuclein). In particular, the model suggests a potential involvement of the nuclear factorkappa ... quenching. These aspects are par-ticularly relevant for an understanding of the biochemical pathways involved in PD neurodegenera-tion. Indeed, the triggers leading to the speciﬁc death of dopaminergic...

Tài liệu Báo cáo khoa học: Kinetic analysis of effector modulation of butyrylcholinesterase-catalysed hydrolysis of acetanilides and homologous esters pdf

... o-NAC. The actual binding site of serotonin cannot be inferred from these results. Although serotonin can bind to the active site binding locus (W82), binding to PAS cannotbe ruled out. If serotonin ... was determined from the inter-cept on the Dintercept)1axis re-plot, i.e. bVmax⁄ (b ) 1).Then, parameter a was determined from the intercepton the Dslope)1axis in the re-plot of Dslope)1versus[L])1, ... matching the observationsobtained (Table 1). The binding of tyramine to D70G, in the presence of o-NPA, is weaker (9.1-fold) than binding to the wild-type enzyme, and induces an activating effect...

Tài liệu Báo cáo khoa học: Quantitative analysis of the experimental O–J–I–P chlorophyll ﬂuorescence induction kinetics Apparent activation energy and origin of each kinetic step Steve Boisvert, David Joly and Robert Carpentier doc

... FEBS 4773 of QA– in PSII centers that are affected by the nonsatu-rating concentration of inhibitor [7,8]. The Em of QAisraised in the presence of DCMU in the QBpocket,making it energetically ... N,N,N¢,N¢-tetramethyl-p-phenylenediamine [23,24]. The use of a nonsaturating concentration of DCMU,an inhibitor known to close the PSII reaction center bybinding in the QBpocket and blocking electron transfer from QAto ... to the reduction of the PQ pool.ResultsAs reported in the literature, the I step of the O–J–I–Pﬂuorescence transient cannot be clearly distinguishedby visual analysis of the FI traces obtained...

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