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Plasmid dependent utilization of octopine by Agrobacterium tumefaciens harboring nopaline-type plasmids: high mutability to octopine utilizers



Plasmid dependent utilization of octopine by Agrobacterium tumefaciens harboring nopaline-type plasmids: high mutability to octopine utilizers



Scientific Papers of the College of Arts and Sciences, University of Tokyo 34(1/2): 87-96



Strs. 1D135 and 1D1159 which utilize nopaline but not octopine as sole N source grew on liquid octopine medium after a 50-60 h lag period. The length of the lag period was constant when cells within a fixed optical density were inoculated, suggesting that the process did not originate by the usual spontaneous mutation. Cells showing rapid growth in octopine medium were stable mutants which could use octopine and nopaline as sole N sources.

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Accession: 001431137

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