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Analysis of Rhizobium meliloti Sym Mutants Obtained by Heat Treatment |
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| Authors: | Nicolas Toro Jos Olivares |
| Affiliation: | Nicolas Toro and José Olivares |
| Abstract: | Deletions in the pSym megaplasmid of Rhizobium meliloti were produced at a high frequency, and their lengths varied according to incubation temperature. Morphological differentiation into large and small colonies occurred after heat treatment. Small colonies elicited pseudonodules on alfalfa roots. |
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