WebThe prophage lambda cIts857 induction test with Escherichia coli K12 envA uvrB as the lysogen has been successfully applied to the screening of sparingly water-soluble carcinogens that have been dissolved in dimethyl sulfoxide and metabolically activated with liver enzymes induced either with Aroclor 1254 or phenobarbital. Growth of noninduced ... WebDec 31, 2012 · It was a high-copy number plasmid with ampicillin resistance gene, P L P R promoter, cIts857 gene, multiple cloning sites (MCS), Shine-Dalgarno (SD) sequence, and two strong transcription terminators, and suitable for all kinds of hosts. 2.2. Expression plasmid construction
Construction and application of a high level expression vector ...
WebcIts857基因的克隆,修饰及温敏诱导表达载体. 从噬菌体λDNA (cIindlts857Sam7)克隆出990bP的cIts857基因,经缺失,点突变等修饰改造和DNA序列测定,获得了带有自身启动子 … WebApr 13, 2024 · Toxic heavy metal accumulation is one of anthropogenic environmental pollutions, which poses risks to human health and ecological systems. Conventional heavy metal remediation approaches rely on expensive chemical and physical processes leading to the formation and release of other toxic waste products. Instead, microbial … chubbs boots
A safety type genetically engineered bacterium with red
WebSep 8, 2024 · 在高温 (45℃)时,cIts857蛋白失活,阻遏解除,促使PL启动子转录。 系统由于受cIts857作用,尤其适合于表达对大肠杆菌有毒的基因产物,缺点是温度转换不仅可 … WebApr 17, 2013 · Primers were designed to amplify the entire sequences of pBV-DsRed and pBV-OPH, except the cIts857 gene which encodes the repressor protein for transcriptional control in plasmid pBV220 (primers used were no. 5 and no. 6, see Table 1). The amplified fragment was then self-circularized to construct the plasmids pL-DsRed and pL-OPH. WebAug 15, 1999 · These results strongly suggest that the thermosensitive CI857 repressor, encoded by the expression vector, competes with CI Ind- molecules for binding to the … chubbs botswana proprietary limited