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Cloning, sequencing, and enhanced expression of the dihydropteroate synthase gene of Escherichia coli MC4100
The Escherichia coli gene coding for dihydropteroate synthase (DHPS) has been cloned and sequenced and a temperature-sensitive mutant was isolated and found to express a DHPS with a lower specific activity and lower affinities for para-aminobenzoic acid and sulfathiazole.
Texas urban wildlife program networking success - getting the job done with outside help
The Urban Wildlife Program of the Texas Parks and Wildlife Department became active in 1993 starting with 1 program leader and 3 urban biologists located in 2 metropolitan areas. Today the program