Results 251 to 260 of about 2,233,350 (305)
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Annual Review of Microbiology, 1983
The study of yeast DNA plasmids has been initiated with the discovery of the 2-micron DNA in Saccharomyces cerevisiae. This multiple copy plasmid, organized into chromatin structure in vivo, probably exists in the nucleus and provides a good system to obtain information on eukaryotic DNA replication.
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The study of yeast DNA plasmids has been initiated with the discovery of the 2-micron DNA in Saccharomyces cerevisiae. This multiple copy plasmid, organized into chromatin structure in vivo, probably exists in the nucleus and provides a good system to obtain information on eukaryotic DNA replication.
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Current Drug Targets - Immune, Endocrine & Metabolic Disorders, 2001
Genes that code for the production of protein antigens have been cloned and recombined with plasmids. Gene-plasmid constructs have been amplified in a bacterial host, purified and administered to a mammalian host. The gene is expressed in the host and the antigen that is produced induces an immune response.
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Genes that code for the production of protein antigens have been cloned and recombined with plasmids. Gene-plasmid constructs have been amplified in a bacterial host, purified and administered to a mammalian host. The gene is expressed in the host and the antigen that is produced induces an immune response.
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Current Protocols in Molecular Biology, 1991
AbstractAlthough there are a large number of protocols for the isolation of small quantities of plasmid DNA from bacterial cells (minipreps), this unit presents four procedures based on their speed and success: the alkaline lysis prep, a modification of the alkaline lysis prep that is performed in 1.5‐ml tubes or 96‐well microtiter dishes, the boiling ...
J, Engebrecht, R, Brent, M A, Kaderbhai
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AbstractAlthough there are a large number of protocols for the isolation of small quantities of plasmid DNA from bacterial cells (minipreps), this unit presents four procedures based on their speed and success: the alkaline lysis prep, a modification of the alkaline lysis prep that is performed in 1.5‐ml tubes or 96‐well microtiter dishes, the boiling ...
J, Engebrecht, R, Brent, M A, Kaderbhai
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Microbes and Infection, 2005
Plasmid DNA vaccination against tuberculosis is a very powerful and easy method for the induction of strong humoral responses, CD4+ mediated secretion of Th1 cytokines and CD8+ mediated CTL activity in mice. Tuberculosis DNA vaccines have not been assessed so far in humans, and clinical trials with DNA in general have been somewhat disappointing ...
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Plasmid DNA vaccination against tuberculosis is a very powerful and easy method for the induction of strong humoral responses, CD4+ mediated secretion of Th1 cytokines and CD8+ mediated CTL activity in mice. Tuberculosis DNA vaccines have not been assessed so far in humans, and clinical trials with DNA in general have been somewhat disappointing ...
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Mutagenicity of furfural in plasmid DNA
Cancer Letters, 1995Furfural is recognized as a dietary mutagen and is present in various foods and beverages. We have examined the mutagenic effect of furfural induced lesions in plasmid pBluescript SK(+/-). There was a progressive decrease in the transformation capacity of the plasmid as a function of furfural concentration with a concomitant increase in the number of ...
Q A, Khan, F A, Shamsi, S M, Hadi
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Plasmid DNA Manufacturing Technology
Recent Patents on Biotechnology, 2007Today, plasmid DNA is becoming increasingly important as the next generation of biotechnology products (gene medicines and DNA vaccines) make their way into clinical trials, and eventually into the pharmaceutical marketplace. This review summarizes recent patents and patent applications relating to plasmid manufacturing, in the context of a ...
Aaron E, Carnes, James A, Williams
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Microwave Effects on Plasmid DNA
Radiation Research, 1987The exposure of purified plasmid DNA to microwave radiation at nonthermal levels in the frequency range from 2.00 to 8.75 GHz produces single- and double-strand breaks that are detected by agarose gel electrophoresis. Microwave-induced damage to DNA depends on the presence of small amounts of copper.
J L, Sagripanti +2 more
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Insulin Delivery with Plasmid DNA
Human Gene Therapy, 1999Success in controlling hyperglycemia in type I diabetics will require a restoration of basal insulin. To this end, three plasmid DNAs (pDNA) encoding preproinsulin were compared for constitutive expression and processing to insulin in nonendocrine cells in vitro.
A M, Abai, P M, Hobart, K M, Barnhart
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Adjuvants for Plasmid DNA Vaccines
2003In the late 1980s, Jon Wolff of the University of Wisconsin and Phil Felgner here at Vical were screening cationic lipids for their ability to encapsulate and deliver purified plasmid DNA into mouse tissues. They discovered that direct injection of lipid-DNA complexes into muscle resulted in measurable protein expression.
J, Norman +3 more
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Rapid screening for plasmid DNA
Molecular and General Genetics MGG, 1977A procedure is described for demonstrating plasmid DNA and its molecular weight, based on rate zonal centrifugation of unlabelled DNA in neutral sucrose gradients containing a low concentration of ethidium bromide. Each DNA species is then visualized as a discrete fluorescent band when the centrifuge tube is illuminated with ultra-violet light ...
C, Hughes, G G, Meynell
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