RNA polymerase mutant with altered sigma factor in Escherichia coli. |
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Authors: | Ulrich C. Knopf and Erhard Stutz |
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Affiliation: | (1) Laboratoire de Physiologie végétale et Biochimie, Université de Neuchâtel, Chantemerle 20, CH-2000 Neuchâtel, Switzerland |
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Abstract: | Summary E. gracilis chloroplast DNA Bam fragments E and D, coding for rRNA were cloned separately using the plasmid pBR 322 as vector and E. coli as host. The newly constructed recombinant plasmids EgcKS 8 and EgcKS 11 (containing the Bam HI fragments E and D respectively) were analysed and characterized by gel electrophoresis, electronmicroscopy and analytical ultracentrifugation.Abbreviations Ap Ampicillin - Tc Tetracycline-hydrochloride - Bam HI endonuclease isolated from Bacillus amyloliquefaciens - Eco RI endonuclease isolated from E. coli RY13 - Bgl II endonuclease isolated from Bacillus globiggi - EDTA Ethylene-diamine-tetra-acetic-acid - ctDNA chloroplast DNAAn abstract of this work was presented at the 10th annual meeting of the Union Schweizerischer Gesellschaften für Experimentelle Biologie, Davos 19th and 20th Mai, 1978. The recommendations of the Schweizerische Akademie für medizinische Wissenschaften for work with recombinant DNA-molecules were respected throughout this work. |
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