This invention relates to a biological indicator derived from a composition comprising: a host organism comprising a spore forming bacteria; a reporter gene for producing an indicator enzyme; a regulatory gene; and a vehicle for inserting the reporter gene and the regulatory gene in the host organism; the host organism bearing a transposable genetic element in its genome for inserting an insertion sequence in the regulatory gene; the insertion sequence comprising a transposase, a pair of terminal inverted repeat sequences, and at least one open reading frame for expressing the transposase. The vehicle may be taken up by the host organism. The insertion sequence may be inserted in the regulatory gene. The host organism may undergo sporulation to form the biological indicator. A process and an apparatus for using the biological indicator are disclosed.
                            本发明涉及一种
生物指示剂,其成分包括:由形成孢子的细菌组成的宿主
生物;产生指示剂酶的报告
基因;调控
基因;以及将报告
基因和调控
基因插入宿主
生物的载体;宿主
生物的
基因组中含有转座遗传因子,用于在调控
基因中插入插入序列;插入序列包括转座酶、一对末端倒置重复序列和至少一个用于表达转座酶的开放阅读框。载体可被宿主
生物吸收。插入序列可插入调控
基因中。宿主
生物可进行孢子繁殖以形成
生物指示剂。本发明公开了一种使用
生物指示剂的工艺和装置。