Härtl B, Wehrl W, Wiegert T, Homuth G, Schumann W
Institute of Genetics, University of Bayreuth, D-95440 Bayreuth, Germany.
J Bacteriol. 2001 Apr;183(8):2696-9. doi: 10.1128/JB.183.8.2696-2699.2001.
The Bacillus subtilis lacA gene, coding for beta-galactosidase, has been explored as a new site able to accept DNA sequences from nonreplicating delivery vectors. Two such delivery expression vectors have been constructed and shown to be useful in obtaining regulated expression from the chromosomal location. In another experiment, it was shown that the integration of a regulatory gene at the lacA locus was able to control the expression of a transcriptional fusion at the amyE locus. These experiments demonstrate that both integration sites can be used simultaneously to obtain regulated expression of desired genes.
编码β-半乳糖苷酶的枯草芽孢杆菌lacA基因已被探索作为一个能够接受来自非复制型递送载体的DNA序列的新位点。已经构建了两种这样的递送表达载体,并证明它们可用于从染色体位置获得调控表达。在另一个实验中,表明在lacA位点整合一个调控基因能够控制amyE位点转录融合的表达。这些实验证明,这两个整合位点可同时用于获得所需基因的调控表达。