Evolution of the glutamine synthetase gene, one of the oldest existing and functioning genes.

The neighbor-joining method: a new method for reconstructing phylogenetic trees.

1987 • 59,130 citations

The Neutral Theory of Molecular Evolution

1979 • 7,965 citations

Simple methods for estimating the numbers of synonymous and nonsynonymous nucleotide substitutions.

1986 • 4,940 citations

Evolutionary Rate at the Molecular Level

1968 • 3,608 citations

Molecular Population Genetics and Evolution.

1976 • 1,687 citations

The structure and action of proteins

1969 • 741 citations

The structure of cytochromec and the rates of molecular evolution

1971 • 540 citations

Limitations of the evolutionary parsimony method of phylogenetic analysis.

1990 • 358 citations

Regulation of the Assimilation of Nitrogen Compounds

1978 • 345 citations

Accuracy of estimated phylogenetic trees from molecular data

1982 • 326 citations

Methods for computing the standard errors of branching points in an evolutionary tree and their application to molecular data from humans and apes.

1985 • 316 citations

Glutamine synthetase genes of pea encode distinct polypeptides which are differentially expressed in leaves, roots and nodules.

1987 • 202 citations

Chloroplast and cytosolic glutamine synthetase are encoded by homologous nuclear genes which are differentially expressed in vivo.

1988 • 171 citations

Two forms of glutamine synthetase in free-living root-nodule bacteria

1977 • 156 citations

Primary structure and differential expression of glutamine synthetase genes in nodules, roots and leaves of Phaseolus vulgaris

1986 • 145 citations

Glutamine synthetase gene evolution: a good molecular clock.

1991 • 125 citations

Rates of synonymous substitution and base composition of nuclear genes in Drosophila.

1992 • 109 citations

The cloning and nucleotide sequence of cDNA for an amplified glutamine synthetase gene from the Chinese hamster

1986 • 94 citations

Amino acid sequence of Escherichia coli glutamine synthetase deduced from the DNA nucleotide sequence.

1986 • 87 citations

Three cDNA sequences coding for glutamine synthetase polypeptides in Oryza sativa L.

1989 • 73 citations

Sequence of the Bacillus subtilis glutamine synthetase gene region

1988 • 71 citations

Glutamine Synthetase of Nicotiana plumbaginifolia

1987 • 70 citations

Molecular analysis and regulation of the glnA gene of the gram-positive anaerobe Clostridium acetobutylicum

1988 • 70 citations

Tight linkage of ginA and a putative regulatory gene inRhizobium leguminosarum

1987 • 68 citations

Overexpression of a Streptomyces viridochromogenes gene (glnII) encoding a glutamine synthetase similar to those of eucaryotes confers resistance against the antibiotic phosphinothricyl-alanyl-alanine

1990 • 67 citations

Molecular Analysis of a Novel Glutamine Synthetase of the Anaerobe Bacteroides fragilis

1989 • 66 citations

Eukaryotes-Prokaryotes Divergence estimated by 5S Ribosomal RNA Sequences

1973 • 65 citations

Cloning and nucleotide sequence of the Streptomyces coelicolor gene encoding glutamine synthetase

1988 • 64 citations

Streptomyces hygroscopicus has two glutamine synthetase genes

1990 • 63 citations

Sequence of glutamine synthetase from Salmonella typhimurium and implications for the protein structure

1986 • 60 citations

Homologous nuclear genes encode cytoplasmic and mitochondrial glutamine synthetase in Drosophila melanogaster

1990 • 60 citations

Nucleotide sequence of the Azospirillum brasilense Sp 7 glutamine synthetase structural gene

1986 • 60 citations

Comparative properties of glutamine synthetases I and II in Rhizobium and Agrobacterium spp

1980 • 53 citations

Nucleotide sequence of the glutamine synthetase gene and its controlling region from the acidophilic autotroph Thiobacillus ferrooxidans

1987 • 51 citations

Some Evolutionary Relationships of the Primary Biological Catalysts Glutamine Synthetase and RuBisCO

1987 • 51 citations

Glutamine synthetase II inRhizobium: Reexamination of the proposed horizontal transfer of DNA from eukaryotes to prokaryotes

1989 • 49 citations

Sequence of a human glutamine synthetase cDNA

1987 • 41 citations

The structure of the chicken glutamine synthetase-encoding gene

1989 • 35 citations

Molecular cloning, sequencing, and expression of the glutamine synthetase II (glnII) gene from the actinomycete root nodule symbiont Frankia sp. strain CpI1

1990 • 33 citations

Nucleotide sequence and expression of the glutamine synthetase structural gene, glnA, of the archaebacterium Methanococcus voltae

1989 • 33 citations

Amino Acid Metabolism

1973 • 26 citations