No abstract available
MeSH terms
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Conjugation, Genetic
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DNA Restriction Enzymes
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DNA, Bacterial / metabolism
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DNA, Recombinant / metabolism*
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Microscopy, Electron
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Nitrogen Fixation*
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Nucleic Acid Hybridization
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Nucleic Acid Renaturation
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Plants / genetics*
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Plasmids*
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Rhizobium / genetics*
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Species Specificity
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Transformation, Genetic
Substances
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DNA, Bacterial
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DNA, Recombinant
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DNA Restriction Enzymes