Inactivation of escherichia coli and listeria innocua in kiw

Tài liệu Báo cáo khoa học: Ionic strength and magnesium affect the speciﬁcity of Escherichia coli and human 8-oxoguanine-DNA glycosylases pdf

... evaluate the effects of ionic strength and Mg2+ on the activity and speciﬁcity of OGG1, we measured the apparent values of k2 and k3 under conditions of low salt (KPi only) and no Mg2+, low salt and ... Effects of ionic strength and divalent cations on the activity and speciﬁcity of Fpg and OGG1 The conditions inside a living cell differ from...

Ngày tải lên : 18/02/2014, 18:20

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Báo cáo khoa học: The multifarious short-term regulation of ammonium assimilation of Escherichia coli: dissection using an in silico replica pdf

... conditions This means that the physiological behaviour of the mutants in vivo and in silico can be compared in a qualitative sense only The steady states of the in silico wild type and mutants were calculated ... because the interpretation of the phenotypes of experimental PII mutants is confounded by the presence of the PII paralogue, GlnK, in these mu...

Ngày tải lên : 23/03/2014, 13:20

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Báo cáo khoa học: Functional dissection of Escherichia coli phosphotransacetylase structural domains and analysis of key compounds involved in activity regulation potx

... the C-terminal domain, the E coli Pta N-terminal domain is involved in stabilization of the hexameric native structure, in expression of the maximum catalytic activity, and in allosteric regulation ... Results Expression and puriﬁcation of E coli Pta and truncated Ptas containing the C-terminal end By analysis of the protein domain architecture of E coli Pta...

Ngày tải lên : 06/03/2014, 11:20

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ANTIBIOTIC RESISTANCE OF ESCHERICHIA COLI ISOLATED FORM POULTRY WORKERS, PATIENTS AND CHICKEN IN THE EASTERN PROVINCE OF SAUDI ARABIA ppt

... 1996) In conclusion, our data demonstrate alarmingly high individual and multiple resistance to antibiotics in E coli, reﬂecting the misuse of these agents in the poultry industry Since chicken ... Clinical Laboratory Standards (NCCLS 1993) In addition, E coli organisms isolated from chicken and Table Comparison of pattern of resistance of E coli isola...

Ngày tải lên : 08/03/2014, 09:20

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Báo cáo khoa học: Structural and functional consequences of single amino acid substitutions in the pyrimidine base binding pocket of Escherichia coli CMP kinase pdf

... with the amino group and the N3 atom of the cytosine (Fig 1) This study uses site-directed mutagenesis to further explore the contribution of these amino acids interacting with the pyrimidine ring ... consisting of three domains, the CORE, the LID and the NMPbind [1] A characteristic of bacterial CMP kinases is an extension of the NMPbind domain by 40...

Ngày tải lên : 16/03/2014, 10:20

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Báo cáo khoa học: Theoretical study of lipid biosynthesis in wild-type Escherichia coli and in a protoplast-type L-form using elementary ﬂux mode analysis potx

... detectable in the cell wall-free mutant These ﬁndings stand in contrast to a subsequent analysis of singlegene knockout data indicating that E coli can only survive if at least L1-P-EtAmine and a lipid ... synthesis of unsaturated and saturated fatty acids, phospholipids (including cardiolipin), and lipid A It is important to study the metabolism of the glucosa...

Ngày tải lên : 22/03/2014, 21:20

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Báo cáo khoa học: The pivotal regulator GlnB of Escherichia coli is engaged in subtle and context-dependent control potx

... intensity of the GlnB band was quantied as the sum of the concentrations of GlnB and GlnK and was denoted by PII* Note that PII* includes the modied forms of GlnB and GlnK as well, i.e GlnBUMP and ... bars indicate the SEM The dotted line is a result of two linear regression ts of the data points The extra abscissa on top of the gure indicates...

Ngày tải lên : 23/03/2014, 04:21

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Báo cáo y học: " In silico analysis of chimeric espA, eae and tir fragments of Escherichia coli O157:H7 for oral immunogenic applications" doc

... Analysis chimeric EspA-Intimin -Tir protein secondary structure Analysis of chimeric EspA-Intimin -Tir protein secondary structure continuous B cell epitope based on single characters including hydrophilicity, ... constructed by fusing the Cterminal of espA, C-terminal of eae and middle fragment of tir using hydrophobic amino acid linkers (accession no GQ205376) The...

Ngày tải lên : 13/08/2014, 16:20

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Inactivation and repair of escherichia coli following UV disinfection influencing factors and photolyase activity

... Background 88 4.2 UV Inactivation of E coli 90 4.3 Photoreactivation of E coli following UV Disinfection 94 4.4 Dark Repair of E coli following UV Disinfection 100 4.5 Comparison of Repair of Selected ... Photoreactivation of microorganisms after UV disinfection 50 2.9.4 Factors affecting photoreactivation 53 2.9.5 Dark repair 58 UV Disinfectio...

Ngày tải lên : 11/09/2015, 16:03

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Expression analysis of y TMT AND FAD2 gene in escherichia coli and transgenic trichoderma reesei

... CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY THESIS OF PHILOSOPHY DOCTOR EXPRESSIONAL ANALYSIS OF  -TMT AND FAD2 GENES IN Escherichia coli AND Trichoderma reesei Specialty : Biochemistry Engineering ... 2-methyl-6-phytylquinol, the beginning ring methylation at position to yield 2,3- EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY-THESIS OF PHILOSOPHY DOCTOR 13...

Ngày tải lên : 22/05/2016, 11:28

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Tài liệu Báo cáo khoa học: Metabolic ﬂux proﬁling of Escherichia coli mutants in central carbon metabolism using GC-MS docx

... Metabolic flux ratio analysis of E coli mutants of central metabolism The above developed metabolic flux ratio analysis by GC-MS was used for metabolic flux profiling of nonlethal mutations in all major ... glycine, histidine, isoleucine, leucine, phenylalanine, proline, serine, threonine, tyrosine, and valine for [U-13C]glucose experiments and aspartate, iso...

Ngày tải lên : 20/02/2014, 23:20

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Tài liệu Báo cáo Y học: Insights into the reaction mechanism of Escherichia coli agmatinase by site-directed mutagenesis and molecular modelling ppt

... with the sequences of 1CEV and 1RLA and pasted into the structural alignment The alignment was then corrected by hand Since the sequences of the two arginases and agmatinase greately differ in the ... that the environment of tryptophan residues is essentially conserved in the mutant enzyme On the other hand, the absence of major differences in the CD...

Ngày tải lên : 21/02/2014, 01:21

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Báo cáo khoa học: The role of evolutionarily conserved hydrophobic contacts in the quaternary structure stability of Escherichia coli serine hydroxymethyltransferase pptx

... helix of the third cluster of CHCs is part of the inter-domain segment and the other helix lines the boundary between the major domain and the N-terminus (Fig 1) Therefore, the formation of the ... rather than functional role Role of hydrophobic contacts in serine hydroxymethyltransferase In the present study, the importance of the third hydrop...

Ngày tải lên : 07/03/2014, 03:20

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Báo cáo Y học: Defective translocation of a signal sequence mutant in a prlA4 suppressor strain of Escherichia coli doc

... vivo translocation kinetics of wild-type and mutant PhoE in prlA4 mutant strain CE1512, using processing as a criterion for translocation The prlA4 phenotype of the strain was conﬁrmed by studying ... core of the signal sequence Tetracycline-resistant prlA+ and prlA4 Table Bacterial strains and plasmids used in this study Camr and Ampr indicate resistance to...

Ngày tải lên : 08/03/2014, 09:20

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Báo cáo Y học: Structural analysis of deacylated lipopolysaccharide of Escherichia coli strains 2513 (R4 core-type) and F653 (R3 core-type) pot

... mode of the mixture of oligosaccharides prior to HPAEC, of the isolated main oligosaccharide of deacylated LPS and of acylated puriﬁed LPS from E coli F2513 (R4 core-type) In addition, the deacylated ... LPS (R4 core-type) is as depicted in Fig Structural analysis of E coli F653 core-oligosaccharides (R3 core) We have subjected puriﬁed LPS from E c...

Ngày tải lên : 08/03/2014, 09:20

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Inactivation of escherichia coli and listeria innocua in kiwifruit and pineapple juices by high hydrostatic pressure

Tài liệu Báo cáo khoa học: Ionic strength and magnesium affect the speciﬁcity of Escherichia coli and human 8-oxoguanine-DNA glycosylases pdf

Báo cáo khoa học: The multifarious short-term regulation of ammonium assimilation of Escherichia coli: dissection using an in silico replica pdf