assembly of malonyl and acetyl groups on acp

... influ-ence of chemical form and concentration of arsenic on rice growth and tissue arsenic concentration Plant and Soil 139, 175–183 Meharg, A.A., Hartley-Whitaker, J., 2002 Arsenic uptake and meta-bolism ... into ground and surface water and sub-sequent consumption by animal and human popula-tions A recent report by the National Research Council concluded that the former arsenic standard of 50 mg l ... nationally by 2006 Arsenic-contaminated soil is one of the major sources of arsenic in drinking water (Hingston et al., 2001) Therefore, to protect animal and human health, remediation of the contaminated...

Ngày tải lên: 16/03/2014, 00:07

... of large donor and acceptor molecules enable a rational modification of both the electronic structure and conductivity of graphene sheets accompanied by additional thermal reaction of nano-graphene ... surface of graphene sheets via π-π interactions without disruption of the electronic conjugation of graphene.[5] Therefore, pyrene derivatives are ideal for non-covalently functionalization of graphene ... of A aggregates on GO sheets………35 Figure 3.10 Relative intensity of the two peaks as a function of the concentration of GO………36 Figure 3.11 Intensity changes of the new peak as a function of...

Ngày tải lên: 30/09/2015, 14:23

... band, stretching vibration of C–H groups, and a series of bands in the corresponding to the coupling mode of the C–O and C–C stretching, C- contained new bands characteristic of the acetate groups ... Resonance (NMR) were used to obtain mechanistic understanding of the acetylation of pea over-lapping of the FTIR spectra of the native (NPS) and acetylated (APS) pea the characteristic bands of ... Re-lationships between degree of substitution in acetylated pea starch and starch or biofilm properties were performed by Pearson's correlation 3 Results and discussion 3.1 Optimization of the...

Ngày tải lên: 01/01/2023, 14:31

... The con-ductivity cell was calibrated with standard KCl solutions, and the obtained cell constant was 1.02 cm-1 Results and Discussion Formation of ZnS Nanoparticles and Optical Characterization ... addition, according to Lambert–Beer law for quantitative determination of concentrations of the absorbing species in solution, the absorbance is directly proportional to the concentration of absorbing ... photoluminescence (PL) emission is one of the most important physical properties in ZnS nanoparticles and depends upon synthesis conditions, shape, size and ener-getic position of the surface states...

Ngày tải lên: 22/06/2014, 00:20

... number of epidemics have affected the fate of ethnic groups, dynasties and civilizations throughout history’ This article aims to explore the effects of epidemics on the demographics and fate of ... demographics and fate of nations and ethnic peoples in the past Within the scope of the research, the article analyzes some specific cases including the Justinian pandemic and the "Black Death" ... In the course of human history, epidemics frequently occurred impacting manv aspects of human life Dangerous epidemics with high mortality rates have led to population decline and demographic...

Ngày tải lên: 15/10/2022, 16:18

... Amount of Ca and Mg added (mg/L) Ca addition Mg addition Ca addition Mg addition Fig 1 - Concentration profiles of (a) As and (b) Fe in leachate with the addition of Ca and Mg in different concentrations ... Concentration (mg/L) P Concentration (mg/L) Other Conditions Effect of Ca and Mg concentrations 0, 5, 10, 20, 50, 100, 150 and 200 5.0, 7.0, 9.0 and 11.0 Leaching in anaerobic incubation 0 and ... increase of Ca and Mg addition, at pH greater than 9.0 and during anaerobic incubation In contrast, Iron (Fe) leaching was decreased by Ca and Mg addition Adsorption of Ca and Mg was observed and...

Ngày tải lên: 05/09/2013, 10:15

... over the world contributes to the depletion and pollution of fresh water resources Desalination of salt water through conventional techniques often requires significant amounts of energy to separate ... also because of the absence of non-condensable gases heat transfer by radiation and natural convection are limited Thus, heat transfer between the hot saline water bed and the condensation surface ... evaporative-condenser unit is a combination of bottom and top trays which acts as evaporator and condenser surfaces One such unit is called as a stage The multi-stage desalination system consists of Ns...

Ngày tải lên: 05/09/2013, 16:11

... consumers byexpanding the array of services offered by banks and allowing con-sumers to go outside the local market for banking services Impact of consolidation One way mergers could hurt consumers ... organi-zations under $1 billion in size had converted to FHCs These organiza-tions represent only a small fraction of all banking organizations under $1 billion in size Nevertheless, the response by ... organizations give their local lending officersless autonomy in making loans because it is difficult for the head office tomonitor and review thousands of credit decisions These organizationsprefer...

Ngày tải lên: 16/02/2014, 11:20

... impacts of business on society, especially of multinational corporations (OECD, 2001) The sustainability concept is determined by three components: a social, economic, and environmental one (WCED, ... performance is not only measured in terms of shareholder value but also in terms of the long-term continuity value of business to communities In the ongoing debate on globalization, concerns have been ... questions The efficient use of freshwater and control of pollution is often part of sustainability issues addressed by business In the last ten years, initiatives were the foundation of the...

Ngày tải lên: 06/03/2014, 21:20

... structure of cyclomaltodextrinase I-5 (CDase I-5) as a function of pH and salt concentration, the dissoci-ation/association processes of the enzyme were investigated under various pH and salt conditions ... Biotechnology, Taejon, Korea 4 Division of Food Science, College of Life and Environmental Sciences, Korea University, Seoul, Korea 5 Department of Biology, University of Incheon, Incheon, Korea Enzymes ... 6.0 and 7.0 The tertiary structure indicated that the effect of pH on dissociation of the oligomer was mainly due to the pro-tonation of H539 Unlike the pH-dependent process, the dissociation of...

Ngày tải lên: 07/03/2014, 12:20

... regions (five countries and the European Union (EU)) and two rest-of-world region aggregates The model incorporates several extensions of previous work First, most previous analysis of the economic ... function of the price of imports and the domestic price of high-value poultry, increases relative to the aggregate price of low-value poultry, consumers will increase their consumption of low-value ... and across borders Microbial contamination of poultry for human consumption is also a serious problem in the sector, as with other meats, and is addressed by health regulations in exporting and...

Ngày tải lên: 08/03/2014, 09:20

... quantitative contribution in vivo where the concentration of cysteine is low (15 lM), this reaction contributed signicantly to the production of pyruvate under our conditions, where the concentrations of ... same range of concentration (Fig 6) Time-constant of the branch-point system Fig Comparison of the kinetic eciencies of CGS and TS CGS and TS velocities as a function of Phser concentration v/[CGS] ... physiological conditions The partition was measured in the conditions of Fig 2B in the presence of 20 lM AdoMet and a physiological concentration of AMP (100 lM [34]) Under these conditions, we observed...

Ngày tải lên: 20/02/2014, 02:21

... discussion, the mutations are considered in three groups dependent on their location in the 3D structure of the Rfc2 protein Mapping the insertions onto the structure of Rfc2: insertions into ... re-ligating, the bulk of the transposon is deleted, leaving behind only 15 bp of sequence derived from the ends of the transposon and the target site duplication Should Tn4430 insertion occur within ... K33 and K27 insertion sites were deleted (Table 1) Similar alleles were constructed using rfc2-K33 and rfc2-K22 (rfc2K33D22) and using rfc2-K23 and rfc2-K14 (rfc2K23D14) Note that construction of...

Ngày tải lên: 07/03/2014, 02:20

... behaviour, one of the clones for each of these two mutations was chosen at random for further experiments and named TAdmdR1 (strain in which translation was arrested in the sense strand of dmdR1) and ... lack of translation of one gene affected expression of the antiparallel one, western blot analyses of formation of the DmdR1 protein were performed for the various mutants with either deletion ... DmdR1 or deprivation of iron leads to deregulated (constitutive) formation of desferrioxamines However, expression of adm is required for overall function of the iron regulatory control, as the DdmdR1...

Ngày tải lên: 07/03/2014, 02:20

... expression of GFP and the chloroplast autofluorescence, excitation lines of an argon ion laser of 488 nm were used with a 505 ⁄ 550-nm bandpass filter for GFP and excitation lines of an HeNe laser of ... the level of GFP expression by growing Clone 31 in medium containing mixtures of ammonium and nitrate At relative molar concentrations of nitrate vs ammonium of 50 (Q50) and 100 (Q100), GFP fluorescence ... the addition of both nitrate and appropriate concentrations of ammonium allows, within limits, the control of the amount of induced protein The observed lag phase of h for Pnr ⁄ Tnr-controlled...

Ngày tải lên: 07/03/2014, 21:20

... buried upon dimerization is 2390 A2, and the putative dimerization interface mostly involves interactions between residues of the helical domain of one monomer and residues of the protease and apical ... interactions between Asn628-NAG2 of one monomer and the side chain of Glu266 of the apical domain of the second monomer The binuclear metal center Electron density maps reveal the presence of two ... existence of two alternate conformations of its side chain, stabilization of the Asp443 position as a result of a hydrogen bond to the Ser509 hydroxyl group might be weakened Decreased stabilization of...

Ngày tải lên: 23/03/2014, 05:22

... irrespective of the diffusion of the monomer (or dimer) per se The correlation between the effect of increasing proline concentration on viscosity and on reactivation of acid-dissociated enzyme (Figs and ... determinations; error bars are shown where the magnitude of the error exceeds the size of the symbol Fig Effect of proline concentration on the extent of reactivation of LDH from bovine heart and on the ... initiation of reactivation the activities of controls and the mixture containing M Ó FEBS 2003 Perturbation of protein folding by osmolytes (Eur J Biochem 270) 4827 Fig Effect of proline concentration on...

Ngày tải lên: 23/03/2014, 15:21

... alignments of known members of the N-acetylglutamate kinase family illustrate conservation over all three domains of living organisms (Bacteria, Archaea, and Eucarya) of a region corresponding to ... fragments allow the expression of the ORF under the transcriptional control of the IPTG-inducible strong bacterial trp-lac promoter and under the translational control of an appropriate Shine–Dalgarno ... strains and growth conditions) The arginine deprivation results in a Gcn4pmediated transcriptional activation of the ARG2 gene (K Pauwels and M Crabeel, unpublished results) and reduces the pool of...

Ngày tải lên: 23/03/2014, 21:20

... Expression profiles of key genes and accumulation of anthocyanins and PAs display a good correlation in Norton berry skin A concise summary of coordinated transcription of key genes and biosynthesis ... flavonoid biosynthesis pathway and the accumulation profiles of flavonoid compounds Comparative analysis of key genes in flavonoid biosynthesis and of the main flavonoid compounds between Norton ... 81-100% Figure A concise representation of qPCR and HPLC data for visualizing the coordination of transcriptional regulation of the genes and the total amounts of anthocyanins and proanthocyanidins...

Ngày tải lên: 11/08/2014, 11:21

... secretion [14, 15] The consumption of leucine and arginine along with glucose could result in higher insulinemic response compared to glucose alone in healthy subjects at rest [16] In addition, ... supplementation of CHO and CHO+AA resulted in significantly lower plasma concentrations of glycerol and NEFA at 90 and 120 after match 2, as well as immediately after match (Figures and 5) Plasma ... population and certain patients [53] Thus, arginine supplementation did not provide any additional effect on NO production in our subjects The lack of effect of carbohydrate supplementation, with...

Ngày tải lên: 11/08/2014, 23:21