The ATP Synthase atpHAGDC (F1) Operon from Rhodobacter capsulatus |
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| Authors: | Roberto Borghese Massimo Crimi Luca Fava Bruno Andrea Melandri |
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| Affiliation: | Laboratory of Biochemistry and Biophysics, Department of Biology, University of Bologna, 40126 Bologna, Italy |
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| Abstract: | The atpHAGDC operon of Rhodobacter capsulatus, containing the five genes coding for the F1 sector of the ATP synthase, has been cloned and sequenced. The promoter region has been defined by primer extension analysis. It was not possible to obtain viable cells carrying atp deletions in the R. capsulatus chromosome, indicating that genes coding for ATP synthase are essential, at least under the growth conditions tested. We were able to circumvent this problem by combining gene transfer agent transduction with conjugation. This method represents an easy way to construct strains carrying mutations in indispensable genes. |
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