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Microbiology, Fifth Edition
Microbiology, 5/e
Lansing M Prescott, Augustana College
Donald A Klein, Colorado State University
John P Harley, Eastern Kentucky University

Bacteria: The High G + C Gram Positives

Web Exercise


The streptomycetaceae have produce a large number of secondary metabolites known as antibiotics. For 50 years they have been used to save lives. Today, bacteria have acquired the genetic information to defeat most antibiotics. Read the Scientific American feature http://www.sciam.com/1998/0398issue/0398levy.html
to answer the following. How do bacteria become resistant to antibiotics? What are three specific mechanisms of antibiotic resistance? What prudent exercise should be able to slow antibiotic resistance transmission?