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275 results for “E. coli”
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Research ArticleOpen accessEvery word in the titleIsolation and Characterization of Potential Probiotic Escherichia coli Strains from Rat Faecal SamplesPrasant Kumar, S. Ferzin, S. Chintan, G. Naresh KumarProblem statement: Gastrointestinal disorders mainly diarrhea is the most common cause of morbidity and mortality among infants and children in the developing countries occurs due to infection by enteropathogens. Ccontrol of these pathogens could be achieved by nonpathogenic Escherichia coli producing bacteriocins. Approach: Primary aim of this study was to isolate E. coli strains which inhibit enteropathogens. For this purpose, … …American Journal of Infectious Diseases, Vol. 5, Issue 2 · 30 Jun 2009 · 8,417 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAssessment of Site Specific Mutational Effect on Transcription Initiation at Escherichia coli PromoterS. Kannan, M. Krishnan, S. Sundarraj et al.Problem statement: It is widely accepted thought that the weak promoters control the RNA synthesis and play regulatory role in complex genetic networks in bacterial system. An experiment had been designed to address whether mutations in the -16/-17 region affect the rate of transcription at an activator-independent promoter in E. coli or not? Approach: The aim of this study was … …American Journal of Biochemistry and Biotechnology, Vol. 5, Issue 2 · 30 Jun 2009 · 7,555 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleClassification of Pressure Range Based on the Characterization of Escherichia coli Cell Disruption in High Pressure HomogenizerRamakrishnan Nagasundara Ramanan, Beng Ti Tey, Tau Chuan Ling, Arbakariya B. AriffProblem statement: High pressure Homogenizer was used for cell disruption in many studies. But no work was carried out to study the characteristics of cell disruption in a wide range of pressure. Approach: The characteristics of Escherichia coli cell disruption was studied in Avestin small scale homogenizer by varying the operating pressure (50-1500 bar), cell concentration in the feed (1.39-12.51 … …American Journal of Biochemistry and Biotechnology, Vol. 5, Issue 1 · 31 Mar 2009 · 9,626 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAntibiotic Resistance of Escherichia Coli Isolated From Poultry and Poultry Environment of BangladeshMuhammad Ali Akond, S.M.R. Hassan, Saidul Alam, Momena ShirinProblem statement: Increased emergence in microbial resistance to antibiotics is a growing problem in Bangladesh, a tropical country with a large agrarian population having limited medical facilities. Wide spread use of antimicrobials in poultry farming here is a concern of multi-drug microbial resistance development that can potentially be transmitted to human pathogens even from non-pathogenic carrier strains. Attempt was made … …American Journal of Environmental Sciences, Vol. 5, Issue 1 · 28 Feb 2009 · 11,762 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAn Optimized Medium for Screening of L-Asparaginase production by Escherichia coliYounes Ghasemi, Alireza Ebrahiminezhad, Sara Rasoul-Amini et al.Purified L-asparaginase II from Escherichia coli has been supplied and employed in the acute leukemia and other malignant neoplasms chemotherapy. L-asparaginase II gene (ansB) in E. coli is under regulation and certain conditions is needed for expression of this gene. In this investigation ,the various concentrations of modified M9 medium ingredients and various carbon source were tested to optimize the … …American Journal of Biochemistry and Biotechnology, Vol. 4, Issue 4 · 31 Dec 2008 · 9,698 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleModification of Artificial Oliogosaccharides in Recombinant Escherichia coli CellsTomohisa Kato, Rie Mitsumori, Kenichi HatanakaArtificial oligosaccharides were modified using recombinant Escherichia coli cells that overexpress sialidase. Based on the principle of the saccharide primer method by using bacterial cells overexpressing enzymes related to oligosaccharide modification. Problem statement: It is very hard to obtain oligosaccharides, because they have complex and diverse structures with different linkage patterns and monosaccharide components. Approach: It had been known that … …American Journal of Biochemistry and Biotechnology, Vol. 4, Issue 4 · 31 Dec 2008 · 6,802 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleHuman Insulin Modulation of Escherichia coli Adherence and ChemotaxisKarolina Klosowska, Balbina J. PlotkinEscherichia coli exhibited increased hydrophobicity and mannose-resistant epithelial cell adherence after growth in the presence of human insulin (2 μU mL-1 or 200 μUmL-1 insulin, respectively) with glucose (100 mg dL-1). Capsule production and hemagglutination were unaffected by insulin and glucose. Chemotactic attraction to glucose as compared to insulin or glucose alone was enhanced by the presence of insulin. Insulin … …American Journal of Infectious Diseases, Vol. 2, Issue 4 · 31 Dec 2006 · 7,104 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffectiveness of Ultrasound on the Destruction of E. coliMohammad H. DehghaniThe aim of this study was to investigate the impact of sonication as a disinfection method for determining the effectiveness of ultrasound waves on the inactivation of E. coli. Ultrasound waves at a frequency of 42 kHz were used to expose aqueous suspension of E. coli. Ultrasound waves display a strong influence on the rate of E. coli disruption in … …American Journal of Environmental Sciences, Vol. 1, Issue 3 · 30 Sep 2005 · 7,636 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEconomic Impact of E. Coli O111 Outbreak in 1995 in AustraliaShahjahan Ali Khandaker, Mohammad AlauddinIncreased incidence of food-borne illnesses is a matter of significant concern for the community and the government alike. An outbreak of E. coli O111 that occurred in Australia in 1995 affected 200 people of whom 22 developed HUS while one person died. This study analyses the economic costs of the outbreak. The total cost of the outbreak is estimated to … …American Journal of Applied Sciences, Vol. 1, Issue 4 · 31 Dec 2004 · 7,553 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleColistin Resistance among Gram Negative Organisms; an Evolving Problem from Tertiary Care Hospital, Pakistan 2014Tuba Bashir, Altaf AhmedThis Study was design to report the evolving Colistin Resistant Gram Negative Organisms from Pakistan in 2014. From 885 isolates of hospitalized patients, 03 Colistin resistant isolates were reported, 02 were Escherichia coli and 01 was Acinetobacter specie. Colistin of all three isolates was tested by Disk diffusion method, MIC by Phoenix 100 (BD) and E-strip. This report contributes a … …Current Research in Microbiology, Vol. 7, Issue 1 · 15 Mar 2016 · 14,722 accessesView PDFCite