Area code 412 is a Pennsylvania area code that covers Pittsburgh and some of the surrounding areas.Area code 412 overlays the area code of 878. Pennsylvania has area codes of 215, 267, 272, 412, 484, 570, 610, 717, 724, 814, 878.The following map shows the coverage of 412 area code. The coverage area is shown in green.ennsylvania has area codes of 215, 267, 272, 412, 484, 570, 610, 717, 724, 814, 878. The following map shows the coverage of 412 area code.
The ampicillin resistance gene (AmpR) is called a selectable marker gene and is incorporated into several plasmids that are commonly used in a wide range of genetic engineering and molecular biology experiments.
Ampicillin is the drug of choice for treating enterococcal urinary tract infection (UTI). However, don't rely on it as empiric therapy for just any UTI. The primary UTI pathogen is Escherichia coli, and the secondary pathogen is Klebsiella. Neither penicillin nor ampicillin provide adequate coverage of coliforms. In fact, up to 30% of E. coli strains and more than 50% of Klebsiella strains are resistant to ampicillin, Dr. Duff noted.