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Test for complementation of EcNusG by TmNusG. The growth of the following E. coli strains was tested at the growth conditions indicated: A) 9388, which carries the temperature-sensitive plasmid ecnusG and plasmid pBAD-aanusG, B) 9391, which was derived from 9388 at 42 °C in the presence of arabinose and has lost the ecnusG plasmid, and C) 11480, which carries the temperature-sensitive plasmid ecnusG and plasmid pBAD-tmnusG.
