pathogenicity of the genus escherichia
Báo cáo Y học: The structure of the O-chain of the lipopolysaccharide of a prototypal diarrheagenic strain of Hafnia alvei that has characteristics of a new species under the genus Escherichia pot
... polysaccharide and the fraction was not further investigated The proportion of the minor polysaccharide was indicated by the size of the minor peaks in the H-NMR spectrum (Fig 2), especially as the peak ... of both of the 1H- and the 13C-NMR spectra using 1D and 2D techniques gave the data shown in Table 1, where the residues are referred to as A–D, D being the additional NeuAc residue Most of the ... Kuwait, personal communication) The unique structure of the O-chain of one of these isolates further confirms this conclusion The lipopolysaccharide structures of both H alvei and E coli are known...
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A phylogenomic study of the genus Alphavirus employing whole genome comparison ppsx
... Middelburg Virus thành viên nhánh Semliki Forest Đặc biệt Southern Elephant Seal Virus thành viên nhánh Semliki Forest khoảng cách di truyền loài Southern Elephant Seal Virus xa so với loài khác nhóm Alphavirus ... Equine Ecepphalitis (WEE) trình tái tổ hợp mà đồng ý với nhiều công bố trước cho việc phát xạ loài theo quy mô địa lý phân kỳ nhóm khác chế khác Dữ liệu phân tích nhóm Luers cho thấy hai nhánh Salmon...
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Báo cáo lâm nghiệp: "On the occurrence of web-spinning sawflies of the genus Cephalcia (Hymenoptera, Pamphiliidae) in the Czech Republic" potx
... periods of the Cephalcia species flight activities (cf Martinek 1988) The flight activity started in the studied localities at the end of May or at the beginning of June depending on the actual weather ... specimens caught in the Šumava Mts represent the first record from this area The record of C masuttii is the most interesting from the faunistic point of view It is the first record in the Czech Republic ... 1) The traps were installed from the end of April to the end of October and emptied in two-week or one month intervals during the period 2001–2006 The sawflies were determined according to the...
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Báo cáo lâm nghiệp: " Web-spinning sawflies of the genus Cephalcia Panzer (Hymenoptera, Pamphiliidae) in the Picea abies forests of the Beskidy Mountains (Poland)" pptx
... valid for the species nowadays called C alpina The observations done during the strong swarming of adults, that occurred in the Skrzyczne massif in the eighties, indicated the probability of the occurrence ... areas of Europe as C. alpina Beneš (1976) finally stated the autonomy of these species, separated them and cleared the terminology In relation to the revision by Beneš (1976), who solved the taxonomic ... Jachym et al (2005) The development of the C alpina outbreak between 1976 and 1985 in Gorce Mts (formerly – Limanowa and Krościenko Forest Inspectorates, currently the area of the Gorce National...
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Báo cáo lâm nghiệp: "Ecological requirements of some ant species of the genus Formica (Hymenoptera, Formicidae) in spruce forests" pps
... Fig GLM of the occurrence of the F fusca ants depending on the quantity of light incident upon the soil surface (F = 8.71, p < 0.001) 34 1.0 0.0 Undergrowth Fig GLM of the occurrence of the F ... 13 The activity of the F sanguinea ants depending on the quantity of light incident upon the soil surface 36 0.0 Undergrowth Fig 14 GLM of the occurrence of the F sanguinea ants depending on the ... Fig The activity of the F pratensis ants depending on the quantity of light incident upon the soil surface J FOR SCI., 55, 2009 (1): 32–40 –1 Undergrowth Fig 10 GLM of the occurrence of the F...
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Báo cáo khoa học: "Germination behaviour of 3 species of the genus Pinus in relation to high temperatures suffered during forest fires" pdf
... from seed The dissemination of the mature seed of P pinaster and P radiata coincides with the spring and lasts during the whole of end of (Vega, 1977) However, the availability of the seed for ... the characteristics of a site may play an important role in determining the survival of the seedlings (Moreno and Oechel, 1992) To discover the adaptive advantages in the event of a fire of the ... observations can be made about the effect of high temperatures on germination: i) The thermic shocks tested not stimulate either the speed or germination rate of any of the species, and ii) only P...
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báo cáo khoa học: " Introgression potential between safflower (Carthamus tinctorius) and wild relatives of the genus Carthamus" doc
... and C lanatus showing the longest time The values for the F1s fell between the two means of their parents There was a wide range of the number of selfed seeds per plant for the parental species, ... weight to the female parent of the cross, suggesting some degree of maternal inheritance to these traits (Table 3) The weight of the F2 seeds was between that of the two parents and there was ... in these crosses Regardless of the trait measured, the F1 plants usually had a phenotype that was midway between the parents Deletion of the transgene in specific F1 hybrids The presence of the...
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chemical constituents of some species of the genus garcinia (guttiferae) growing in south viet
... HeLa and NCI-H460, of fourteen isolated xanthones was tested using the SBR assay with camptothecin as the positive control The result has shown that globuxanthone possessed the strongest effect, ... pedunxanthone D and griffipavixanthone The remaining xanthones exhibited weak activity NEW FINDINGS OF THE THESIS - Investigating the chemical constituents of three Garcinia species, G pedunculata, ... RESEARCH Study the antibacterial and antioxidant activities of the isolated compounds SUPERVISORS PhD STUDENT Assoc Prof Pham Dinh Hung Assoc Prof Nguyen Dieu Lien Hoa Vo Tan Hau CONFIRMATION OF HO CHI...
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chemical constituents of some species of the genus garcinia (guttiferae)
... Ngoc-Thao T Nguyen, Gerhard Maas, Udo R Werz, Hung D Pham, Lien-Hoa D Nguyen (2012), Xanthones from the bark of OH Garcinia pedunculata, Phytochemistry Letters, Vol 5(4), pp 766O OMe O OH O OH 98 O O ... thuc 9a OMe 4a 11 95 14 Ph IR: max 12 tetraoxygenated Lien-Hoa xanthones D Nguyen from the (2012), bark of Cytotoxic Garcinia Vừ Tn Hu, Lờ c ng, Phm ỡnh Hựng, Harrison J Leslie, Nguyn Diu Liờn ... 1,7 (2 s) c = 21-26 1,1,2-Trimetyldihydrofuran H = 4,5 - 4,6 (q, J = 7) c = 91 - 92 H = 1,4 - 1,5 (d) c = 14 - 15 2-(1-Hydroxy-1-metyletyl)-2,3-dihydrofuran Hỡnh 3.17 c trng ph NMR ca cỏc nhúm...
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Tài liệu Đề tài " The space of embedded minimal surfaces of fixed genus in a 3-manifold III; Planar domains " doc
... genus of a union of disjoint surfaces is the sum of the genuses Therefore, a surface with boundary has nonnegative genus; the genus is zero if and only if it is a planar domain For example, the ... assumption on the topology is needed for this application of Rado’s theorem; cf the proof of theorem 1.22 in [CM4]), Σ0,t is itself a graph, giving the lemma The next lemma bounds the radius of the intrinsic ... in the complement of the domains (in R3 ) which separate each of the pieces; cf Corollary 0.4 below Moreover, after the decomposition is made then every intersection of one of the “pairs of pants”...
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Tài liệu Báo cáo khoa học: Role of the cag-pathogenicity island encoded type IV secretion system in Helicobacter pylori pathogenesis pptx
... The assembled T4SS then triggers the secretion of substrates from the bacterial cytoplasm directly into the cytoplasm of infected host cells or into the extracellular milieu (B) Model-1 for the ... stimulate the transcytosis of integrin molecules from the basal to the apical side of the cells, a process that has been suggested for integrin b1 [15] Indeed, disruption of host-cell polarity by another ... indicate that there is a controversy in the literature about the importance of the CagL RGD-motif in T4SS functions and host cell signalling Another unsolved question is the proposed structure of CagY...
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Tài liệu Báo cáo khoa học: Basis of recognition between the NarJ chaperone and the N-terminus of the NarG subunit from Escherichia coli nitrate reductase pdf
... and the lifespan of the complex by 10-fold, as judged by koff The physiological chaperone cycle probably consists of the rapid binding of the N-terminus of the partner, regardless of whether ... hypothesize that the protonated state of the chaperone initiates this cycle, whereas the deprotonated state occurs upon completion of the maturation process of the partner The nature of the signal ... Ensemble of the backbone traces of the 20 lowest energy conformers of the solution structure of (A) NarG(1–15) and (B) NarG(1–28) second site) The measured enthalpy is the sum of two terms: the reaction...
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Tài liệu Báo cáo khoa học: Regulation of dCTP deaminase from Escherichia coli by nonallosteric dTTP binding to an inactive form of the enzyme ppt
... in the main chain of the subunit, or in the interaction of subunits within the trimer that linked the conformation of residues 120–125 to the position of the active site lip and closure of the ... the dTTP complex to accommodate the 5-methyl group of the thymine moiety As a result, the Ala124 carbonyl was moved from the 4-oxo ⁄ 4-amino group of the bound nucleotide and the side chain of ... observation is that due to the proximity of residues 120–125 from each subunit in the centre of the trimer, the side chains of Val122 of one subunit and Thr123 of the neighbouring subunit are...
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Tài liệu Báo cáo khoa học: Substrate specificity of the pseudouridine synthase RluD in Escherichia coli doc
... obtained with the transition at positions 1915 and 1917 These mutations had an effect on the formation of pseudouridine exclusively at the mutant position and did not affect either of the other two ... (Fig 4) The presence of pseudouridines in 70S but not in free 50S subunits can be explained by reduced rates of pseudouridine formation due to the transition of A1916 to G The effects of the mutations ... by Southern analysis The rluD::cat strain had a full deletion of both rluD and yfiH, together with their annotated promoter sequences The inserted cat cassette had a distance of 90 nt from the b2595...
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Tài liệu Báo cáo khoa học: Mechanism of dihydroneopterin aldolase NMR, equilibrium and transient kinetic studies of the Staphylococcus aureus and Escherichia coli enzymes docx
... set of control data was obtained in the absence of the protein The data set obtained in the absence of the protein was then subtracted from the corresponding data set obtained in the presence of ... performed in the absence of the ligand The control data set obtained in the absence of the ligand was subtracted from the corresponding data set obtained in the presence of the ligand The Kd values ... cleavage of the bond between 1¢ and 2¢ carbons of the substrate The epimerization product is generated by the re-formation of the C–C bond after the reorientation of GA, which exposes the opposite...
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Tài liệu Báo cáo khóa học: The C-terminal domain of Escherichia coli Hfq increases the stability of the hexamer ppt
... binding of the polyadenylated rpsO RNA We have shown that the presence of the remainder of the acidic tail results in the thermodynamic stabilization of Hfq by 1.8 kcalÆmol)1 A comparison of the ... noted that the C-terminal domain of Hfq seems to be located at the same position as that of the Sm-like SmAP3 of the archaea P aerophilum [31] and, as in the case of SmAP3, the possibility of two ... where, DGH2 O is the free energy of unfolding in water and u m represents the effectiveness of the denaturant in destabilizing the protein The effect of urea on the quaternary structure of Hfq was determined...
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Tài liệu Báo cáo khoa học: The sensor protein KdpD inserts into the Escherichia coli membrane independent of the Sec translocase and YidC doc
... by the protease, only a small shift of the molecular mass of the protein is expected because the antibody recognizes the remaining C-terminal domain In the presence of YidC, the shift of the ... of KdpD The requirement of the Sec translocase was tested in the CM124 strain where SecE is depleted when the cells are grown in the absence of arabinose When the cells expressing KdpD with the ... sequences of each of the two extra-membrane loops before and after the insertion of the epitopes Insertion of the epitopes (underlined) has the following consequences for length (number of amino...
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Tài liệu Báo cáo Y học: The glucose-specific carrier of the Escherichia coli phosphotransferase system Synthesis of selective inhibitors and inactivation studies pptx
... to the theoretical model and in the subsequent simulations [22] the corresponding ratios were KI2/KS2 ¼ and KI1/ KS1 ¼ 0.7 These values and the transition of the Eadie– Hofstee plot from the ... [15] The key step is the use of Collins reagent for the selective oxidation of the primary trimethylsilyl ether of the fully silylated monosaccharide to an aldehyde (step ii) The resulting 2,3,4-tris-trimethylsilylated ... curved shape of the plot and the KI/KS ratios indicate that the C-6 epoxide 1d, like the C-6 aldehydes of Glc and aMGlc [15], preferentially inhibits the low-affinity site of EIIGlc For the phosphorylatable...
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Tài liệu Báo cáo Y học: Identification and characterization of the Escherichia coli stress protein UP12, a putative in vivo substrate of GroEL pptx
... comparison, the amount of GroEL was determined in the same extracts using anti-GroEL Ig It has been previously shown that at the beginning of the stationary phase the rate of synthesis of heat-shock ... respectively In order to estimate the ratio between the amounts of UP12 and the total amount of protein in the extracts, a series of samples containing determined amounts of the purified UP12 were separated ... Taken together, these observations indicate that maintenance of the correct folding state of GatY in E coli probably requires the assistance of two chaperone systems The identification of UP12 as...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam nội dung cụ thể cho từng kĩ năng ở từng cấp độ các đặc tính của động cơ điện không đồng bộ đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 sự cần thiết phải đầu tư xây dựng nhà máy phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25