streptomyces the largest reservoir of diverse chemical structures
Báo cáo lâm nghiệp: " Sicily represents the Italian reservoir of chloroplast DNA diversity of Quercus ilex L. (Fagaceae)" pptx
... described by Lumaret et al [18] On the base of molecular data and in the absence of macrofossil evidences, the direction of the migration followed by holm oak after the last glacial period can only ... southern and central Italy, as remnants of a widespread diffusion of Q ilex during the last interglacial [14] The age of the postglacial spread of holm oak in southern France [25], clearly younger ... of their absence elsewhere On the other hand, haplotypes and are more frequent (0.15 and 0.14) despite the fact that their occurrence is limited to Sicily It is further worth stressing that the...
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Báo cáo y học: " Prevalence of hepatitis delta virus infection among hepatitis b virus surface antigen positive patients circulating in the largest province of pakistan" pptx
... available from Punjab, Pakistan that is the largest province of this country Therefore, the aim of the current study was to estimate the co-infection of hepatitis D virus in hepatitis B surface ... (about 30%) The results of this study further suggest that the prevalence of HBV/HDV co-infection in Pakistan has increased during the last decade On the other hand an overall decline in the worldwide ... main features of the study During the course of this study, total 200 samples positive by HBsAg rapid test were received from different geographical parts of Punjab province Out of these, 96 (48%)...
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Effect of circular voids on the domain configuration of NI80FE20 micro structures
... Acetone throughout the lift-off process (the acetone must not dry off before the lift-off is complete), otherwise the sample may be irreversibly damaged To check the status of lift-off, the samples ... compare the results given by the center hole structure and the side hole structure, and give an analysis of the effect of hole position • Chapter analyzes the effect of the number of holes using the ... behind the choice of the structures will be detailed in their various results chapters Table 1.1 Presentation of the structures and their trends being examined Trend being examined Choice of structures...
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Tài liệu Báo cáo khoa học: Crystal structures of the regulatory subunit of Thr-sensitive aspartate kinase fromThermus thermophilus pdf
... of the structure are not seen on the map, probably owing to disorder of these regions The overall geometry of the model according to the procheck program [21] is of good quality, with 95.4% of ... to elucidate the mechanism of the elevated thermostability of TtAKb In this article, we describe the crystal structures of TtAKb in two forms, Thr-bound and Thr-free, and discuss the regulatory ... regulatory mechanism of Thr and the structural features responsible for the high thermostability of TtAKb Results and Discussion Model quality The crystal structure of the Thr-bound form of TtAKb ˚ (TtAKb-Thr)...
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Tài liệu Báo cáo khoa học: The conformational stability of the Streptomyces coelicolor histidine-phosphocarrier protein Characterization of cold denaturation and urea–protein interactions doc
... (enzyme I of the PTS), the rst protein in the cascade of proteins forming the PTS, to HPr, the histidine-phosphocarrier protein HPr is the smallest protein in the protein cascade of the PTS and ... determine the cold-denaturation at this urea concentration were unsuccessful, probably because of the absence of enough data in the cold-denaturation region of the curve (Fig 5B) b The values of the thermodynamic ... Application of the LEM to the thermodynamic data of scHPr accounts well for the measurement of scHPr stability, as shown by the agreement between the chemical- (where LEM was used to analyse the data)...
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Tài liệu Báo cáo Y học: Identification of a set of genes involved in the biosynthesis of the aminonucleoside moiety of antibiotic A201A from Streptomyces capreolus pdf
... sequencing of a total of 6946 bp, which include the ata genes most likely implicated in the biosynthesis of this moiety of A201A Evidence for the functional identification of three of these genes ... it Further sequencing of the ata cluster could provide an insight into the biosynthetic pathway of the other moieties of A201A and provide probes which may be useful to identify genes of the hygromycin ... domain, is scant This domain promotes the binding of the acyl-CoA initiation unit to the ketosynthetase domain of the PKSs for polyketide biosynthesis [35] Therefore, AtaPKS1 could be an acyltransferase,...
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ANALYSIS OF NAMES OF ORGANIC CHEMICAL COMPOUNDS BY USING PARSER COMBINATORS AND THE GENERATIVE LEXICON THEORY doc
... are assigned the number of the carbon to which they are attached In Figure 2, the substituent CH3 is assigned the number • The name of the compound is now composed of the name of the main chain ... terminology The abilities of analysing and correcting the ambiguities of the inadequate names and of using an optimized extension of Xymtec to represent the pictures of the chemical structures ... OCLAS In the examples, in the first phase of the analysis the system finds out that the input name violates at least one of the IUPAC rules; in the second phase, OCLAS succeeds in the task of adjusting...
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Báo cáo khoa học: Crystal structures of the apo form of b-fructofuranosidase from Bifidobacterium longum and its complex with fructose pot
... form of the enzyme runs along the axis of the b-propeller through the whole domain and is only blocked by Cys236 in the area of the subsite )1 binding the fructose molecule A number of structures ... inside of it, which resembles the shape of a fishtrap The active site is located at the bottom of the axial funnel created by the interblade loops and the loops between b-strand 2–3 of each blade The ... results of MS of recombinant b-fructofuranosidase are close to the theoretical value of the molecular mass A peak of molecular ion at m ⁄ z = 58 879 Da was observed on the MALDITOF mass spectrum The...
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Báo cáo khoa học: "Automatic Acquisition of Ranked Qualia Structures from the Web" potx
... as the number of web pages containing the words the and ’and’ matched On the basis of these, we then calculate the probability of a certain qualia element given a certain role on the basis of ... qualia structures which allow to find an ideal cut-off point to increase the precision/recall trade-off of the learned structures We have abstracted from the issue of finding the appropriate cut-off, ... clue c, the query c(n) is sent to the web search engine and the abstracts of the first m documents matching this query are downloaded Then the snippets are processed to find matches of the pattern...
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Music theory book david temperley the cognition of basic musical structures
... as a result of studying set theory); rather, Z-related sets serve to enhance or enrich our hearing of certain kinds of music once we are aware of them The goal of studying pieces of music in ... but also on the analysis of nearby segments, which depends on the notes of those segments as well as the analysis of other segments, and so on However, the number of possible analyses of a piece ... Jackendoff's theory of meter begins with the idea that a metrical structure consists of several levels of beats They propose four well-formedness rules which de®ne the set of permissible metrical structures...
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Báo cáo khoa học: The role of Tyr71 in Streptomyces trypsin on the recognition mechanism of structural protein substrates ppt
... specificity and the conformation of the three-dimensional structures (A) The overall structure of SOT is portrayed using the Swiss-pdb viewer based on the crystal structure of SGT The key residue ... expression The primary structures of SGT, SOT and the eight chimeras used in this study are illustrated schematically The recombination sites of chimeras A–H are shown in (B) The primary structures of ... nm The spectra of the proteins, an average of four scans, were corrected by subtracting the spectra of the corresponding background media without protein Substrate recognition mechanism of Streptomyces...
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Báo cáo Y học: A polymer with a backbone of 3-deoxy-D-glycero -D-galacto -non-2ulopyranosonic acid, a teichuronic acid, and a b-glucosylated ribitol teichoic acid in the cell wall of plant pathogenic Streptomyces sp. VKM Ac-2124 pdf
... and 69.4 Other signals of the spectrum were found at d67.9–80.4, i.e in the region of resonances of CH groups bound to one oxygen atom The region of resonances of the anomeric protons in the H NMR ... proves the position of the acetamido groups at C-2 and C-3 of this sugar The signal of the H-5 of this sugar appeared as a doublet, which suggests the absence of protons at H-6 In addition, the ... (III) The percentage of the teichoic acid ( 10 % mass of the cell wall) was calculated from the content of the teichoic acidlinked phosphorus (0.8%) and taking into account the structure of the...
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Báo cáo Y học: The phosphotransferase system of Streptomyces coelicolor IIACrr exhibits properties that resemble transport and inducer exclusion function of enzyme IIAGlucose of Escherichia coli pptx
... Analysis of the Fig Genetic organization of the S coelicolor crr gene and protein alignment (A) The genetic arrangement of the crr and ptsI gene is shown Arrows indicate transcriptional orientation of ... regulate the function of some of the > 140 MalK homologues found in the S coelicolor genome The one with the highest similarity of 46% identical amino acids is MsiK, which serves as the ATPase subunit ... proteins, and the determination of the levels of nonphosphorylated/phosphorylated IIACrr in relation to the nutritional state of the streptomycetes mycelium IIACrr of Streptomyces coelicolor (Eur...
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Báo cáo " Chemical composition of the leaf oil of Litsea glutinosa (Lour.) C. B. Rob. from Ha Tinh province " pptx
... Hela cell lines in vitro Chemical examination of the BuOH extract of the leaves and twigs of Litsea glutinosa collected from Xishuangbanna resulted in the isolation of two new aporphine alkaloids, ... boldine and laurolitsine [10] In the course of the systematic study of Litsea in Indochina, monoterpenes, sesquiterpenes and other components of the leaf oil of Litsea glutinosa from Ha Tinh ... Journal of Science, Natural Sciences and Technology 26 (2010) 161-164 negative bacteria The results justify the reported uses in diarrhea and dysentery [9] The BuOH extract of the leaves and twigs of...
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ASSESSMENT OF EXPLOSIVE DESTRUCTION TECHNOLOGIES FOR SPECIFIC MUNITIONS AT THE BLUE GRASS AND PUEBLO CHEMICAL AGENT DESTRUCTION PILOT PLANTS ppt
... from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Institute of Medicine The members of the committee responsible for the report were chosen for their ... secure the services of eminent members of appropriate professions in the examination of policy matters pertaining to the health of the public The Institute acts under the responsibility given to the ... the readiness of an EDT for use in destroying the specific types of chemical munitions (or components thereof) stored at the Blue Grass Army Depot (BGAD) and the Pueblo Chemical Depot (PCD) The...
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Báo cáo " Quantitative distribution of groundwater chemical components in the Red River Delta based on frequency analysis " pot
... coarse grain size [4, 5]. Fine sediments composed mainly of sand in the lower part and weathered clay in the upper part of Vinh Phuc Formation (Q13vp). The thickness of this layer varies from 1 m to 55.7 m. The thickness of coarse sediments ... and Bac Ninh provinces [4]. 3. Conclusions On the basis of frequency distribution, the main characteristics of quantitative distribution of chemical components of groundwater in the Red River Delta are indicated as following: ... concentration intervals of 50‐100, 100‐ 150, possess a small percentage. In general, the higher the interval of concentration, the less quantity of samples is. So that, the frequency ...
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Process-Based Self-Assessment Tool for the Organic Chemical l Industry: EPA Office of Compliance Chemical Industry Branch pptx
... effective manner The breadth To exemplify the potential value of and scope of the plan, which will vary preparing a mass balance, a chemical as a function of the assessment facility, as part of its EPCRA ... will usually minimize the environmental impact of all of these situations, at least in the immediate vicinity of the tank Fire and fire suppressants are another source of potential environmental ... Assessment Team The expertise of an individual or team of individuals should be consistent with assessment objectives, the level of available resources, and the complexity of the facility being...
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SCOP: A Structural Classification of Proteins Database for the Investigation of Sequences and Structures ppt
... folds have been grouped into classes Most of the folds are assigned to one of the five structural classes on the basis of the secondary structures of which they composed: (1) all alpha (for proteins ... list of any structures to which it has significant levels of sequence similarity The key word search finds, for a word entered by the user, matches from both the text of the scop database and the ... usually classified individually The protein entries in the December 1994 of the Brookhaven Protein Databank (PDB) contain 3179 domains Many of these become forms of the same protein whose differences...
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Báo cáo Y học: Chemical structures and immunolocalization of glycosphingolipids isolated from Diphyllobothrium hottai adult worms and plerocercoids ppt
... that one of the structures of CTH is Glc1–3(Gal1–6) Gal1-Cer, a possible precursor of GalSEGLx (Fig 9) Considering possible biosynthetic pathways of SEGLx, one would predict occurrence of an intermediate ... the former type, and A-7 to be the latter We presume that these two types of SEGLx present their unique carbohydrate chain differently on the cell membrane, and hypothesize that interaction of ... lines of evidences including TLC mobility (Fig 1A), mAb AK97 binding (Fig 1B), and MALDI-TOF MS analysis (data not shown), suggested that the structure of these components was the same as that of...
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