Unstable genetic determinant of A-factor biosynthesis in streptomycin-producing organisms: cloning and characterization.

Por Horinouchi, S, Kumada, Y, Beppu, T
Publicado em 1984

Streptomyces hygroscopicus has two glutamine synthetase genes.

Por Kumada, Y, Takano, E, Nagaoka, K, Thompson, C J
Publicado em 1990

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

Por Kumada, Y, Benson, D R, Hillemann, D, Hosted, T J, Rochefort, D A, Thompson, C J, Wohlleben, W, Tateno, Y
Publicado em 1993