Bacterial δ-aminolevulinic acid synthase activity is not essential for leghemoglobin formation in the soybean/ Bradyrhizobium japonicum symbiosis

A modification of the Lowry procedure to simplify protein determination in membrane and lipoprotein samples

1978 • 6,494 citations

A complementation analysis of the restriction and modification of DNA in Escherichia coli

1969 • 3,866 citations

Broad host range DNA cloning system for gram-negative bacteria: construction of a gene bank of Rhizobium meliloti.

1980 • 2,669 citations

Mitochondrial Coproporphyrinogen Oxidase and Protoporphyrin Formation

1961 • 344 citations

Construction of shuttle vectors capable of conjugative transfer from Escherichia coli to nitrogen-fixing filamentous cyanobacteria.

1984 • 316 citations

Biosynthesis of α-Aminoketones and the Metabolism of Aminoacetone

1963 • 306 citations

Heme biosynthesis in Rhizobium. Identification of a cloned gene coding for delta-aminolevulinic acid synthetase from Rhizobium meliloti.

1982 • 291 citations

Plasmid pKC7: A vector containing ten restriction endonuclease sites suitable for cloning DNA segments

1979 • 230 citations

Regulation of nitrogen fixation by Rhizobia export of fixed N2 as NH4+

1976 • 215 citations

Separate physiological roles and subcellular compartments for two tetrapyrrole biosynthetic pathways in Euglena gracilis.

1983 • 156 citations

Hemes, Chlorophylls, and Related Compounds: Biosynthesis and Metabolic Regulation

1978 • 136 citations

Rhizobium japonicum derivatives differing in nitrogen-fixing efficiency and carbohydrate utilization

1976 • 135 citations

The effect of ammonium nitrate on the synthesis of nitrogenase and the concentration of leghemoglobin in pea root nodules induced by Rhizobium leguminosarum

1978 • 126 citations

The site of heme synthesis in soybean root nodules

1969 • 89 citations

Heme Synthesis in Soybean Root Nodules

1977 • 72 citations

REGULATION OF INITIATION OF DNA REPLICATION

1979 • 68 citations

Physical organization of the Bradyrhizobium japonicum nitrogenase gene region

1984 • 51 citations

Rhizobium japonicum mutants defective in symbiotic nitrogen fixation

1982 • 43 citations

A rapid spectrophotometric assay for ferrochelatase activity in preparations containing much endogenous hemoglobin and its application to soybean root-nodule preparations

1975 • 31 citations

Haem Biosynthesis from [14C]- -Aminolaevulinic Acid in Laboratory-grown and Root Nodule Rhizobium lupini

1971 • 30 citations

Differentiation of Rhizobium japonicum strain derivatives by antibiotic sensitivity patterns, lectin binding, and utilization of biochemicals

1980 • 23 citations

Nif- Hup- mutants of Rhizobium japonicum

1983 • 22 citations

Effects of iron deficiency on heme biosynthesis in Rhizobium japonicum.

1982 • 19 citations