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Use of bacterial luciferase structural genes for cloning and monitoring gene expression in microorganisms and for tagging and identification of genetically engineered organisms
Use of bacterial luciferase structural genes for cloning and monitoring gene expression in microorganisms and for tagging and identification of genetically engineered organisms
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机译:细菌荧光素酶结构基因在克隆和监测微生物中的基因表达以及标记和鉴定基因工程生物中的用途
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摘要
A host microorganism is genetically and stably modified by the insertion into any of its non-essential chromosomal location of a non- homologous, recombinant foreign DNA fragment, maintaining an insertion of a luxAB gene of a selected bioluminescent bacterium such as V. harveyi, such that the expression of the luxAB genes causes the production of a luciferase enzyme which, in turn, catalyzes a light-emitting reaction in the presence of the appropriate substrate. X-ray film can be used to quantify the light being emitted from a microorganism through the use of plural droplets containing the same microorganism, each with a known and related cell (or plasmid) count.
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