... enthalpies of binding and stoichiometries were determined from the binding isotherm by fitting a : binding model to the data using the software provided by the manufacturer Results Reaction of fosfomycin ... replacement of R120 by lysine reduces the probability of forming the fully closed form of the protein The results obtained with the K22V/R120K double mutant protein point toward a central role of arginine ... chain of K22 participates in fosfomycin binding, thus providing a rationale for the loss of fosfomycin binding to the K22V and K22E mutant proteins However, two other positively charged amino...
Ngày tải lên: 19/02/2014, 13:20
... The motif present in DptF is GLDSV, indicating that this putative ACP domain is one of the few ACPs in which valine replaces isoleucine (I) or leucine (L) in the conserved sequence To determine ... carrier proteins (ACPs) [14,15] The genes dptE and dptF are localized immediately upstream of the NRPSs of A21987C The resulting proteins DptE and DptF were predicted to be involved in the lipidation ... Assay Fig In vitro phosphopantetheinylation of apo-DptF and apoAcpK Coomassie blue-stained SDS–PAGE gel (left) and in- gel fluorescence (right) of the fluoresceinyl-ACP (+) indicates the reaction...
Ngày tải lên: 07/03/2014, 04:20
The Role of Savings and Wealth in Reducing ―Wilt‖ between Expectations and College Attendance pdf
... important for explaining wilt In the case of income, youth living in low-income households experience higher levels of wilt (45%) than youth living in either modest-income (35%) or high-income (23%) ... accumulating school savings may have effects apart from financing school Conley (2001) finds that a doubling of net worth results in an 8.3% increase in the probability of attending college Further, ... for their youth Youth savings Youth were asked in 2002 whether they had a savings or bank account in their name If they had an account, they were also asked whether they were saving some of this...
Ngày tải lên: 15/03/2014, 10:20
Báo cáo khoa học: Tertiary structure in 7.9 M guanidinium chloride ) the role of Glu53 and Asp287 in Pyrococcus furiosus endo-b-1,3-glucanase pot
... role in protein stability [8], and their involvement in interactions with cations offers new perspective in the analysis of the contribution of ions as cofactors in protein folding [38] and in ... those observed for the wild-type, indicating the involvement of Glu53 and Asp287 in the interaction with the cation (Fig 1E,F) The regain of aromatic chirality at 295 nm and in the 260270 nm region ... [2] The solid lines through the mutants unfolding data points (lled symbols) are intended to guide the eye of the reader and not represent the tting of the data Reversibility points are indicated...
Ngày tải lên: 30/03/2014, 04:20
Báo cáo khoa học: The role of ADAM10 and ADAM17 in the ectodomain shedding of angiotensin converting enzyme and the amyloid precursor protein ppt
... ADAM10 and TACE are involved in the shedding of APP, neither ADAM is involved in the shedding of ACE Furthermore we show that APMA can distinguish between the shedding of ACE and APP Materials and ... expressing ACE were transfected with the ASOs and then exposed to APMA and the levels of soluble ACE in the medium examined (Fig 5) APMA caused a twofold increase in the shedding of ACE from the ... are involved in the shedding of individual membrane proteins and that further work is required to elucidate the physiological role played by each enzyme in the increasingly complicated process of...
Ngày tải lên: 30/03/2014, 14:20
báo cáo sinh học:" The role of nurses and midwives in polio eradication and measles control activities: a survey in Sudan and Zambia" pdf
... facility level in Zambia served in the capacity of district managers of health programmes The finding that the nurses in Sudan were less involved in planning of activities (15.2% in polio and in measles) ... measles Roles of nurses and midwives in SIAs for polio and measles The involvement of the nurses and midwives in activities related to polio and measles SIAs is presented in Table In general, the ... midwives in the expanded programme on immunization Study objectives The objectives of this study were to document the roles, functions and contribution of nurses and midwives in the delivery of routine...
Ngày tải lên: 18/06/2014, 17:20
Báo cáo khoa học: "The role of photoperiod and temperature in the induction and the release of dormancy in Pinus sylvestris L. seedlings" potx
... at the start of night prolongation, or 12 wk, an important role in the possibility of the buds to attain a deeper stage of dormancy Only the 12 wk old plants of northern origin had no flushing ... the chilling requirement to break winter dormancy in Scots pine has been stressed (e.g., Wareing, 1951; Vegis, 1965; Sarvas, 1974) In the following,I will use the working definition of dormancy ... (Fig 2) The same was true for the higher temperature 25/15°C compared with 25/5°C Dormancy breaking treatments of and wk had a dramatic influence, hastening the tilushing rate, especially in the...
Ngày tải lên: 09/08/2014, 02:21
Báo cáo y học: "The role of pleiotrophin and β-catenin in fetal lung development" doc
... [66] The binding of PTN with syndecan-3 induces neurite outgrowth of embryonic neurons [67] Heparitinase, which cleaves the heparin sulfate chain and disrupts the binding of PTN, inhibits PTN-induced ... tips It binds to the FGFR2b on the epithelial cells and transmits a signal to induce the initiation of the lung bud [17-22] Recombinant FGF10 alone can induce budding in the lung epithelial explants ... and ciliated epithelial cells in the adult lung [11] HFH-4 induces the expression of βtubulin IV in the pseudoglandular stage, and promotes the differentiation of ciliated epithelial cells Other...
Ngày tải lên: 12/08/2014, 11:22
Báo cáo y học: "The role of ATP and adenosine in the control of hepatic blood flow in the rabbit liver in vivo" pps
... prosthesis inserted into the portal vein and the inferior vena cava of the in vivo rabbit model Figure Diagram of silastic H-shaped prosthesis inserted into the portal vein and the inferior vena cava of ... relating the readings to the wet weight of the liver, determined at the end of each experiment The "buffering capacity" of the HA was expressed in % as: [Increase in HA flow / Decrease in PV ... occlusion of the portal vein for the insertion of the mesocaval shunt and data from these preparations have therefore not been included Group The effect of intra-portal ATP Livers from another group of...
Ngày tải lên: 13/08/2014, 13:20
Tasks in action in Vietnamese EFL high school classrooms- The role of rehearsal and performance in teaching and learning through oral tasks
... in my research for their generous time and trust I sincerely thank the Department of Education and Training, the Head of the school and teaching staff of the school back home in Vietnam for their ... on the role of feedback (see Mackey, 2007, 2012 for recent reviews), again providing evidence in support of the output hypothesis Drawing on the roles of input, interaction, and output, the interaction ... (p.17) In this way, the ZPD is different from the i+1 input in Krashen’s input hypothesis in that the former emphasises the role of the learner as agent, and co-construction while the latter the role...
Ngày tải lên: 03/03/2015, 09:58
The role of cyr61 and LASP1 in growth and metastasis of human hepatocellular carcinoma
... member of the zyxin subfamily of LIM domain proteins), Krp1, vasodilator stimulated phosphoprotein (VASP) and dynamin, and the binding occurs between the C-terminal SH3 domain of Lasp-1 and the ... by p53 In conclusion, this study provides insights into the roles of two interesting genes which are involved in tumor metastasis and growth The data also strengthens the understanding of the effect ... to the cytoskeleton (Partridge and Marcantonio 2006) For instance, the integrin-binding proteins paxillin and talin recruit focal adhesion kinase (FAK) and vinculin to focal contacts (Sastry and...
Ngày tải lên: 13/09/2015, 19:46
Grounding cognition the role of perception and action in memory, language, and thinking DIANE p
... way, and those derived from a bicycle In the case of the rock, we quickly derive the affordance of stopping or of removing the obstacle In the case of the bicycle, the handle may afford the action ... effect of the compatibility between the position of the handle and the orientation of the key, indicating that seeing an object can potentiate a certain response In a further study, Phillips and ... stream is involved in the coding of hand grasping movements The teams of Rizzolatti and Sakata have highlighted the role played by neurons in area F5 of the monkey, an area that forms the rostral...
Ngày tải lên: 31/07/2016, 12:19
Tài liệu Báo cáo khoa học: Role of cleavage and shedding in human thyrotropin receptor function and trafficking pdf
... measuring the binding of [125I]Streptavidin Specific binding at each point was normalized with reference to specific binding before the incubation at 37 °C (0-min point) to derive the fraction of initial ... but the trafficking of the remaining b-subunits is still unknown Such trafficking in uences the number of molecules present at the cell surface To understand the role of cleavage and shedding, ... sequential and leads to the processive digestion of the specific extracellular region of the TSHR The enzyme involved in the maturation of the TSHR shares similarities with the ADAM (A Disintegrin and...
Ngày tải lên: 21/02/2014, 00:20
Báo cáo y học: "Role of complement and antibodies in controlling infection with pathogenic simian immunodeficiency virus (SIV) in macaques vaccinated with replication-deficient viral vectors" pptx
... least in part, the reduced viral loads observed during peak viremia A further result of C activation is the induction of the terminal C pathway, resulting in the destruction of pathogens The in ... corrected the manuscript SK and KÜ designed the vaccines and corrected the manuscript PR and HS conceived of the study, and participated in its design and coordination HS and BF wrote the manuscript ... indicate that ADCC or the interaction of FcR with the Fcregion of the Abs may contribute to the elimination of retroviral infections [8,30] Furthermore, the data presented in the present study suggests...
Ngày tải lên: 12/08/2014, 23:21
Role of PLD and SPHK in TNFa induced signaling and inflammatory responses
... address the need in understanding the role and interaction of PLD with other TNFα signaling mediators PKC The role of PKC (Protein Kinase C) in TNFα−induced signaling and responses in a variety of ... inflammatory role of PLD in TNFα-induced signaling and responses Recent studies were more conclusive and detailed about the role of PLD in TNFα signaling The apoptotic and survival role of PLD in general ... revealed the coupling of PLD1 to TNFα signaling and responses in human monocytes Furthermore, we validated the in vivo role of PLD1 and SphK1 in TNFα induced peritonitis in BALB/c mice using short interfering...
Ngày tải lên: 11/09/2015, 16:06
Establishment of cell polarity in zebrafish role of staufen and GRB2 in cell migration
... machinery The transacting proteins are RNA binding proteins, Poly-A-binding proteins, other mRNA binding factors that aid in conferring specificity, adaptor protein that links ribonucleo protein complex ... zebrafish and other vertebrates suggest the role of Wnt signaling and positional information in controlling the convergence and extension (CE) of the PCP cell movement Several proteins including Wnt ... Zahner et al., 1996) The patches of polarity proteins, rings of Septins and actin delineate the site and the bud begins to grow at the tip in a polarized manner (Fig 1.1 A) Budding yeast cells segregate...
Ngày tải lên: 12/09/2015, 08:18
Role of calpain and cofilin in apoptosis regulation
... form of programmed cell death, plays an important role in the development of multicellular organism and the maintenance of homeostasis in adults Understanding and exploring the process of apoptosis ... localisation of cofilin is independent on its actin-binding activity Figure 5.7.2 Mitochondrial-localised cofilin mutant-induced apoptosis is dependent on the actin-binding domain Figure 5.7.3 Cofilin ... al (Scorrano and Korsmeyer, 2003) The BH3 domain of the BH3-only proteins, inserted itself into the hydrophobic groove of the Bcl-2 or Bcl-xL leading to the inhibition of these proteins by physically...
Ngày tải lên: 17/09/2015, 17:19
Tài liệu Báo cáo khoa học: Mitochondrial targeting of intact CYP2B1 and CYP2E1 and N-terminal truncated CYP1A1 proteins in Saccharomyces cerevisiae ) role of protein kinase A in the mitochondrial targeting of CYP2E1 pdf
... confirming the role of endogenous FDX + FDXR in supporting the activity To further confirm the role of endogenous FDX + FDXR in supporting the catalytic activity, we transformed the FDX (Yah1)- and ... mitochondria-targeting signal in the yeast system Mitochondrial localization of intact CYP2E1 in yeast cells Because of the existing ambiguity in the literature on the nature and extent of CYP2E1 import into ... Protein targeting to the microsomes requires the cotranslational insertion of the newly synthesized protein into the microsomal membrane, where the N-terminal hydrophobic signal sequence of the...
Ngày tải lên: 18/02/2014, 16:20
Tài liệu Báo cáo khoa học: Models and mechanisms of O-O bond activation by cytochrome P450 A critical assessment of the potential role of multiple active intermediates in oxidative catalysis doc
... iron-peroxo intermediate [11] The sum of these ndings points at the involvement of more than one active oxidant in the diverse types of P450-catalyzed substrate processing [1215] The goal of the present ... alterations in the environment can cause drastic changes in the reactivity of the active species [76] Further support in favour of the idea of the involvement of a high-valent iron-oxene in P450 ... oxygen into the benzene ring of aniline to yield p-aminophenol [151] Formation of the oxygenating species has been recognized to be facilitated by the binding to HbO2 of aniline and some of its derivatives,...
Ngày tải lên: 19/02/2014, 16:20
Tài liệu The Role of Public Regional Universities in Community and Economic Development doc
... business and industry; meeting the training and education needs of businesses within 60 mile radius in Northern Allegheny County West Chester University Institute for Education, Excellence, and ... Collaboration with business and government Economic Development Programs and Initiatives Business accelerators and/ or entrepreneurial initiatives Linking teaching and research to business opportunities ... stable supply of knowledge and skills in high need areas Increase the size, diversity of skills and productivity of the labor force Dimensions of Social and Economic Value Regional public institutions...
Ngày tải lên: 21/02/2014, 01:20