Lack of DNA Homology between the Legume GLYCINE MAX and Its Symbiotic Rhizobium Bacteria.
Any common genes of Glycine max and its symbiotic rhizobium bacteria 61A76 represent less than 0.6% of the bacterial genome. Thus, if any sizable exchange of DNA between host and symbiote occurs it must result in unstable DNA association which is lost with subsequent generations.
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Department of Biophysics, The Pennsylvania State University, University Park, Pennsylvania 16802.