RNA polymerase interaction at the promoter-operator region of the tryptophan operon of Escherichia coli and Salmonella typhimurium

1978 ◽  
Vol 121 (2) ◽  
pp. 153-177 ◽  
Author(s):  
K.D. Brown ◽  
G.N. Bennett ◽  
F. Lee ◽  
M.E. Schweingruber ◽  
C. Yanofsky
1979 ◽  
Vol 21 (2) ◽  
pp. 255-259
Author(s):  
Dennis W. Stetter ◽  
Richard B. Middleton

Crosses between an Escherichia coli Hfr trp strain and three Salmonella typhimurium F−trp strains produced some trp+hybrids in which the tryptophan operon is composed of genes from both parental species.


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