TY - GEN AU - Streicher,S L AU - Gurney,E G AU - Valentine,R C TI - The nitrogen fixation genes SN - 0028-0836 PY - 1973///0103 KW - Chromosome Mapping KW - Chromosomes, Bacterial KW - Ferredoxins KW - biosynthesis KW - Genes KW - Genes, Regulator KW - Genetic Code KW - Genetic Linkage KW - Genetics, Microbial KW - Klebsiella KW - enzymology KW - Klebsiella pneumoniae KW - Molecular Biology KW - Mutation KW - Nitrogen Fixation KW - Operon KW - Oxidoreductases KW - Plants, Edible KW - Rhizobium KW - Symbiosis N1 - Publication Type: Journal Article UR - https://doi.org/10.1038/239495a0 ER -