Summary
Four strains of rhizobia that nodulate canavanine-synthesizing legumes and four strains that nodulate noncanavanine-synthesizing legumes were tested for sensitivity to L-canavanine. The effect of canavanine on growth depends upon the strain of Rhizobium tested rather than the canavanine synthesizing capability of the host legume. In both groups of rhizobia, some strains were inhibited in growth by canavanine. Canavanine enhancement of growth was observed in rhizobia that nodulate noncanavanine-synthesizing legumes.
Canavanine was found to enhance incorporation of uridine-H3 and L-leucine-H3 into trichloroacetic acid insoluble fractions of starved cells of two strains of rhizobia tested. This demonstrated that under certain conditions some rhizobia can detoxify canavanine and utilize it in synthetic processes. re]19760729
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Weaks, T.E. Differences between strains of rhizobium in sensitivity to canavanine. Plant Soil 48, 387–395 (1977). https://doi.org/10.1007/BF02187248
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DOI: https://doi.org/10.1007/BF02187248