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Analysis of Rhizobium meliloti Sym Mutants Obtained by Heat Treatment
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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