Construction of a Shuttle Vector for Inducible Gene Expression in Escherichia coli and Bacillus subtilis
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Construction of a Shuttle Vector for Heterologous Gene Expression in Escherichia coli and Microalgae Anabaena
The construction of an integrative shuttle expression vector and potential utility was reported in Escherichia coli and Anabaena (Nostoc) sp. strain PCC 7120. The vector comprised of the following elements: (a) an intergenic non-coding region from Anabaena to facilitate its genomic integration (b) a strong functional PpsbAI promoter from Anabaena for desired gene expression and (c) neomycin pho...
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In this study, a Helicobacter pylori-Escherichia coli shuttle vector was constructed for transferring DNA into H. pylori. The smallest cryptic plasmid (1.2 kb), pHP489, among those harbored by 77 H. pylori isolates was selected as a base replicon for constructing vectors. HindIII-digested pHP489 was ligated with a kanamycin resistance gene [aph(3')-III], which originated from Campylobacter jeju...
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Translational coupling was demonstrated in a gene fusion in which the promoter and the N-terminal region of the Bacillus subtilis subtilisin (aprA) gene were fused to a promoterless Tn9-derived chloramphenicol acetyltransferase (CAT; EC 2.3.1.28) gene. Expression of this gene fusion results in the production of a native-sized CAT product, whereas the Tn9-derived CAT gene is usually not translat...
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DNA polymerase gene from Thermus aquaticus strain YT1 was amplified using VENTTM DNA po-lymerase and cloned under the control of X.PR promoter and expression was induced by a shift in tern perature. The culture was then sonicated, and after centrifugation the lysate was treated with polyethyleneimine followed by a salting-out step. Finally the protein was precipitated with ammonium sulfate and...
متن کاملTranslational coupling in Bacillus subtilis of a heterologous Bacillus subtilis-Escherichia coli gene fusion.
Translational coupling was demonstrated in a gene fusion in which the promoter and the N-terminal region of the Bacillus subtilis subtilisin (aprA) gene were fused to a promoterless Tn9-derived chloramphenicol acetyltransferase (CAT; EC 2.3.1.28) gene. Expression of this gene fusion results in the production of a native-sized CAT product, whereas the Tn9-derived CAT gene is usually not translat...
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ژورنال
عنوان ژورنال: Microbiology
سال: 1988
ISSN: 1350-0872,1465-2080
DOI: 10.1099/00221287-134-3-605