Watson, Morgan Armit2018-11-222018-11-222008b2354674http://hdl.handle.net/1885/150531110 p.en-AUAuthor retains copyrightQH470.E8W38 2008EnzymesEscherichia coli GeneticsProtein engineeringDrug resistance in microorganisms Genetic aspectsDirected evolution of dihydrofolate reductase : antibiotic resistance and activity enhancement200810.25911/5d5fcb621cfec2018-11-21