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Cover Figure


Cover photograph (Copyright © 2009, American Society for Microbiology. All Rights Reserved.): Images of the nucleoid and the distribution of RNA polymerase in Escherichia coli. Nucleoids are red (top), RNA polymerase is green (middle), and the overlays of the two are shown at the bottom. The left column shows rapidly growing cells in rich medium; the center column shows cells treated with chloramphenicol for 100 min; and the right column shows cells sequentially treated with chloramphenicol (10 min) and rifampin (90 min). (See related article on page 4180.)


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