首页> 外国专利> 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

机译:细菌葡聚糖酶结构基因在微生物中克隆和监测基因表达以及遗传工程化微生物的标记和鉴定中的应用

摘要

a host microorganism is genetically modified to stably by insertion in one or the other of the chromosomal locations of the major foreign dna fragment comprising a non homologous fragment containing gene lux ab of a bioluminescent bacterium is selected. as v.harveyi, in such a way that the non homologous fragment contained in a stable manner as part of the chromosome of the host microorganism cells as they divide in a growth environment, the genetic expression of microorganisms into the pr production of luciferase.which in turn emits light in the presence of an aldehyde, serving as a measure of gene expression. gram positive bacteria and gram negative bacteria are microorganisms that can be modified in the manner described above.a radiofilm can be used to measure the amount of light emitted from a micro organism with the use of multiple droplets containing the microorganism and having a number of cells (or plasmid) and appropriate.
机译:通过将宿主微生物进行遗传修饰以使其稳定,方法是将其插入一个主要的外源dna片段的一个或另一个染色体位置,使其稳定,该片段包含一个包含生物发光细菌的lux ab基因的非同源片段。如哈维氏菌(v.harveyi),这种非同源片段以稳定的方式包含在宿主微生物细胞的染色体中,因为它们在生长环境中分裂,从而将微生物的遗传表达转化为荧光素酶的生产。继而在存在醛的情况下发光,以作为基因表达的量度。革兰氏阳性细菌和革兰氏阴性细菌是可以按上述方式修饰的微生物。可以使用放射胶片,通过使用含有微生物并具有多个细胞的多个液滴来测量微生物发出的光量(或质粒)并适当。

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