نتایج جستجو برای: selectable marker gene
تعداد نتایج: 1235732 فیلتر نتایج به سال:
Most genetically modified plants are made with antibiotic-resistant genes and promoters derived from plant pathogens. To promote public acceptance, we have adapted a selectable marker and promoters all of which were derived from Arabidopsis thaliana to transformation. We have employed the gene for acetolactate synthase with its own promoter as a selectable marker, and the actin 2 gene promoter ...
World population growth and requirement to global food security, application of genetic engineering and utilization of transgenic organisms have made more important. Using this technology, without regarding to its risks, can cause loses to environment. To generate transgenic organisms, selection systems are applied that cause to selective growth of transformed cells. Antibiotic resistance genes...
Genome engineering can be used to produce bacterial strains with a wide range of desired phenotypes. However, the incorporation of gene-sized DNA fragments is often challenging due to the intricacy of the procedure, off-target effects, and low insertion efficiency. Here we report a genome engineering method enabling the continuous incorporation of gene-sized double-stranded DNAs (dsDNAs) into t...
BACKGROUND Genetic manipulation of poxvirus genomes through attenuation, or insertion of therapeutic genes has led to a number of vector candidates for the treatment of a variety of human diseases. The development of recombinant poxviruses often involves the genomic insertion of a selectable marker for purification and selection purposes. The use of marker genes however inevitably results in a ...
Since the maize transposon Ac can relocate to a new location within the genome, it has been used in removing selectable markers in transgenic plants. We previously developed an inducible transposon system to truncate a selectable marker in transgenic plants by locating one end of the transposon in the intron of the marker gene (glyphosate tolerant epsps gene). We have now improved upon this sys...
BACKGROUND Gene disruption by targeted integration of transfected constructs becomes increasingly popular for studies of gene function. The chicken B cell line DT40 has been widely used as a model for gene knock-outs due to its high targeted integration activity. Disruption of multiple genes and complementation of the phenotypes is, however, restricted by the number of available selectable mark...
Vectors used for gene targeting experiments usually consist of a selectable marker flanked by two regions of homology to the targeted gene. In a homologous recombination event, the selectable marker replaces an essential element of the target gene rendering it inactive. Other applications of gene targeting technology include gene replacement (knockins) and conditional vectors which allow for th...
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