A minicircular component of chloroplast DNA replicating by the rolling circle |
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| Authors: | A. Mazza A. Casale P. Sassone-Corsi S. Bonotto |
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| Affiliation: | 1. International Institute of Genetics and Biophysics, Consiglio Nazionale delle Ricerche, Via Marconi, 10, 80125 Napoli, Italy;7. Department of Radiobiology, C.E.N.-S.C.K., Mol, Belgium. |
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| Abstract: | Data are presented which show that a population of covalently closed minicircles, 0.1 to 1.5 μm long, represent, on a DNA length basis, approximately 0.5% of the total chloroplast genome of .With a frequency of about 50% minicircles appear to undergo DNA replication following the rolling circle model.The significance of these findings is discussed. |
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