ecological significance of bacterial enzymes in the marine environment
Measurement and behaviour of heavy metals in the marine environment of singapore
... distribution of heavy metals in the seawater column in the coastal environment of Singapore; (ii) to determine the chemical speciation of heavy metals in the marine sediments in order to understand their ... Chemical speciation of heavy metals in marine sediments Increasing awareness of the important role of sediments in the transport and storage of heavy metals in the marine environment has led ... BEHAVIOR OF HEAVY METALS IN THE MARINE ENVIRONMENT OF SINGAPORE DANG THE CUONG (B.Eng (Hons.), Ho Chi Minh City University of Technology, Vietnam) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING...
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Báo cáo lâm nghiệp: " Sweet chestnut silviculture in an ecological extreme of its range in the west of Spain (Extremadura)" potx
... (14) complexity of the sumoundings (indicating the degree of simplicity of the orography of the surrounding area; Blanco et al, 1989), (15) wind protection coefficient (according to the fluid mechanics; ... classes: insignifi< (classified as cant, slight and severe), (13) insolation (indicating the amount of solar radiation on the ground as determined by the slope, the aspect and the latitude of the ... explains more than floristic 70% of the variance, while CV and climatic < set climatic CV2 account together for 75% of the variance, the information being much greater in the latter case (the inertia,...
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Báo cáo y học: "urgical correction of unsuccessful derotational humeral osteotomy in obstetric brachial plexus palsy: Evidence of the significance of scapular deformity in the pathophysiology of the medial rotation contracture" ppt
... the surgical plan The design of the Triangle Tilt procedure aims at improving the position of the humeral head in the glenoid fossa by eliminating the impingement occurring in the SHEAR deformity ... osteotomy of the acromion process, with the body of the acromion process and the medial margin of the acromion rapidly separating, and the distal segment moving both inferiorly and posteriorly The ... determine version The degree of humeral head subluxation was determined using the same scapular line and a perpendicular line traversing the humeral head at its greatest diameter The distance of the...
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Báo cáo khoa học: " Procalcitonin as a marker of bacterial infection in the emergency department: an observational study" pptx
... intensive care unit of other hospitals, were included in the study than phlebotomy for the study proteins Three groups of patients were defined based on clinical findings, on laboratory findings, ... present in 82.8% of the infected patients and in 42.9% of the noninfected patients (P < 0.001) A WBC count >12,000/mm3 or < 4000/mm3, fulfilling the SIRS criteria, was present in 36.2% of the infected ... support, or exclude, the diagnosis of infection The host response to bacterial infection involves the activation of complex immune mechanisms and the release of a wide array of inflammatory mediators...
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Báo cáo khoa học: "Bench-to-bedside review: Antimicrobial utilization strategies aimed at preventing the emergence of bacterial resistance in the intensive care unit" pps
... However, the proportion of P aeruginosa resistant to the target drugs increased hospital-wide during the cycling period but decreased in the ICU undergoing antimicrobial cycling [77] Optimizing pharmacokinetic/pharmacodynamic ... pharmacokinetic/pharmacodynamic principles could play a role in the reduction of antibiotic resistance The duration of time that the serum drug concentration remains above the minimum inhibitory concentration of the 461 ... reduction in the risk of resistance development while on therapy [85,86] Summary Clinicians working in the ICU setting should routinely employ antibiotic strategies aimed at limiting the emergence of...
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Báo cáo y học: "Genomic analysis reveals the major driving forces of bacterial life in the rhizosphere" doc
... profiling of bacterial gene expression in the rhizosphere Microarray profiling of bacterial gene expression in the rhizosphere (a-c) Global gene expression of P putida KT2440 was analyzed in the ... and after applying adjustments in the P value Out of the 57 Bonferroni genes, 54 are included in the 90 overlapping rup genes ies present in the genome of KT2440 were induced in the rhizosphere ... predicted to participate in the synthesis of an as yet undefined secondary metabolite, was induced in the rhizosphere Finally, it is worth noting the expression of genes pointing towards potential...
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The adaptive significance of UV reflectance in the jumping spider, cosmophasis umbratica (araneae salticidae
... that females gain indirect genetic benefits as a result of their mate choice In conclusion, the findings in this thesis support the hypotheses that UV-reflecting ornamentations in C umbratica ... is important in intraspecific interactions in this species For instance, in male-male interactions, UV reflectance may have a role in indicating the resource holding potential (RHP) of C umbratica ... is interesting to note that in species that exhibit sexual dimorphism, UV-reflecting ornaments are commonly involved in intraspecific interactions Therefore, it is thought that the evolution of...
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Biodiversity in the marine environment philippe goulletquer
... belong to the 31 animal phyla on earth (12 of them exclusively marine) , compared to 19 in the continental domain (only one of these being of terrestrial origin) (Boeuf 2010a, 2011) As of 18 August ... Figure 3.1 indicates the type and flow of information within a set of international databases Obviously, interconnection and interoperability are essential aspects in furthering knowledge about marine ... example, the cost of mapping of the EU continental shelf for the implementation of the Marine Strategy Framework Directive (MFSD) was estimated at 900 million € In France, the national SINP nature...
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Tài liệu Báo cáo Y học: Induction of (2¢)5¢)oligoadenylate synthetase in the marine sponges Suberites domuncula and Geodia cydonium by the bacterial endotoxin lipopolysaccharide docx
... animals kept in the aquarium are lacking a factor that causes either the expression of the gene encoding the (2–5)A synthetase or the activation of the enzyme One potential factor could be the differential ... course of the induction showed similarity to the effect we had seen in the case of S domuncula The increment of the products was highest on the third hour of incubation (1 lgÆmL)1 LPS) The most ... Nonetheless, the fast response of the cells to LPS argues in favor of a post-translational/allosterical activation of the (2–5)A synthetase The effect of LPS on the steady-state level of the...
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Globalism and regionalism in the protection of the marine environment
... any definition of a marine region It does, however introduce the idea of integrating the protection of the marine and coastal environment, requiring states to manage the marine environment and ... level There are important linkages between this part of the Convention and other, sectoral, treaties dealing with the marine environment, including the 1972 Convention on the Prevention of Marine ... any of the UNEP treaties, the 1980 CCAMLR defines the Antarctic marine environment in these terms for the purposes of conservation of living resources only, rather than for protection of the environment...
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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
... involved in the regulation of the thermal- and nutrient-induced activation of neutral trehalase but not during activation on osmotic stress These observations raised the question of whether trehalose-6-P ... member of these complexes suggesting that regulation of trehalose synthesis and breakdown may be integrated mechanisms These findings indicate a divergence in the molecular designs controlling trehalose ... allow the construction of vectors with Ha6H tag fusions at the C-terminus The resulting plasmids were digested at the unique SfiI site within the ntp1+ coding region (at position 1665) and the linear...
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Báo cáo khoa học: Enzymes of mannitol metabolism in the human pathogenic fungusAspergillus fumigatus– kinetic properties of mannitol-1-phosphate 5-dehydrogenase and mannitol 2-dehydrogenase, and their physiological implications pot
... residues for binding the coenzyme The C-terminal domain has a largely a-helical structure, and serves mainly in substrate binding The active site is located in the interdomain cleft, and contains a highly ... mm), and so the choice of the constant level of Fru was not critical for determination of DKm (1.23 0.15) The KIE data in Table are instrumental in delineating the kinetic mechanism of AfM1PDH ... value of $ 3, indicates that NADH binds to the enzyme prior to binding of Fru6P The absence of a KIE on kcat Km for the substrate binding rst is a clear requirement of the strictly ordered kinetic...
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Báo cáo khoa học: Identification of domains involved in the allosteric regulation of cytosolic Arabidopsis thaliana NADP-malic enzymes ppt
... of CoA or acetyl-CoA The results are presented as the percentage of activity in the presence of the effectors in relation to the activity measured in the absence of the metabolites for each of ... than the other compounds (Fig 6) In this way, amino acid residues of different segments of NADP-ME2 swapped in the construction of the chimeras are involved in the fumarate activation of the pyruvate ... activity in the presence of the effectors in relation to the activity measured in the absence of the metabolites, for each of the respective enzyme constructs The assays were performed at least in...
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báo cáo hóa học: " Using animal models to determine the significance of complement activation in Alzheimer''''s disease" pptx
... in peripheral blood, but they are also synthesized in other organs including the brain [31] Protein fragments generated during activation of the system enzymatically cleave the next protein in ... steps in the complement cascade All of these regulatory proteins are produced in the human brain, but less is known about their CNS synthesis in other species [31] The status of some of these ... systemic administration of the excitotoxin kainic acid [108,109], or injection of the neurotoxin colchicine into the dorsal hippocampus [109] Surgical transection of the perforant pathway increased...
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Báo cáo y học: "Broad-range PCR, cloning and sequencing of the full 16S rRNA gene for detection of bacterial DNA in synovial fluid samples of Tunisian" pps
... aAccession number of the bacterial species in the EMBL database bLength of alignment on which the 16S rDNA inserted sequence and the corresponding sequence in the database are similar cIn the '% similarity' ... valuable overall picture of the bacterial DNA environment present in the SF of the actively inflamed joints of arthritis patients Characterization of the DNA reveals a wide spectrum of organisms so far ... regard to the ST The detection of such a variety of bacterial groups after cloning and near fulllength 16S rDNA sequencing obtained in ST samples has raised the question if the identical bacterial...
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Báo cáo khoa hoc:" Adaptive significance of amylase polymorphism in Drosophila. Analysis of the association between tissue-specific expression and specific activity in Amy or Amy genotypes F S of Drosophila subobscura" ppt
... similarities in the protein structure, originate from changes in the polygenic complex of regulatory genes, examination of their variability is of importance a-Amylase in Drosophila, active in the midgut ... range within ± SE of the mean, and the group of F/F lines which is at least + SE below the mean (U 7.00, P < 0.05), as well as between the groups of lines of both genotypes within ± SE of the mean ... categories of lines were made for the number of active regions and three for the specific activity of the enzyme RESULTS Results of the analysis of 37 lines homozygous for the Amy allele and 19 s lines...
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Báo cáo y học: "ertheim cung cấp cho các bạn kiến thức về ngành y đề tài: The prognostic significance of facial lymphoedema in HIV-seropositive subjects with Kaposi sarcoma" pps
... showing the dorsum of the tongue Intraoralsoft palate and extensive KS lesions on the hard palIntraoral view showing extensive KS lesions on the hard palate, the soft palate and the dorsum of the ... proliferation with the development of abnormalities in the pattern of the lymphatic vessels These alterations in the local microenvironment and in the immune competence of the lymphoedemateous ... systemic investigation was in progress, and before cytotoxic chemotherapy could be initiated Discussion Figure (three months after the worsening of the (Figs & 3) Photograph showingthe initial examination...
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7Microbial Enzymes in the Biocontrol of Plant Pathogens and aEnzymes in the Environment: Activity, Ecology and Applications - Chapter 7PestsLeonid Chernin and Ilan ChetThe ppt
... inhibited in all chitin-containing fungi The degree of inhibition was proportional to the level of chitin in the cell wall of the target fungus Combining the two enzymes resulted in a synergistic increase ... against the pathogen, strengthening the hypothesis that exo-β-1,3-glucanase activity is one of the mechanisms of action involved in the suppression of B cinerea by P anomala strain K (222) The ... Both the fungus and the host insect have developed mechanisms involved in the host–parasitic interaction of these organisms; the insects release inhibitors against the fungal protease, in uencing...
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Báo cáo y học: " T4 genes in the marine ecosystem: studies of the T4-like cyanophages and their role in marine ecology" doc
... product of trx is thioredoxin, an important regulatory protein that is essential in the co-ordination of the light-dark reactions of photosynthesis by the activation of a number of enzymes, one of the ... synthesis of the polyamines spermidine and spermine With polyamines implicated in the stabilising the psbA mRNA in the cyanobacterium Synechocystis [64], altering structure of PSII [65] and restoring ... noticeable by their absence is denA, ndd and denB, the products of these genes are all involved in the degradation of host DNA at the start of infection [45] The lack of homologues of these genes...
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Báo cáo y học: " The clinical significance of 5% change in vital capacity in patients with idiopathic pulmonary fibrosis: extended analysis of the pirfenidone trial" potx
... exploratory manner using a 5% change in VC as indices, evaluated the coincidence of the ratings based on 5% change in VC between months and 12, and examined the usefulness and significance of the 5% change ... change in VC in the comparison of efficacy among treatment groups, and the clinical significance of the 5% decline in VC at month 3, we performed following analyses Significance level of tests ... Coincidence of the improvement ratings based on 5% change in VC at months and 12, in terms of positive and negative predictive values In order to examine the coincidence of the improvement ratings at...
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