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More than 200 jobs to be lost as Madison, Janesville businesses close

Noted: In 2007, Roche bought NimbleGen Systems, a Madison maker of molecular biology tools started by University of Wisconsin scientists, for $272.5 million. The next year, Roche acquired Mirus Bio Corp., a Madison biotech firm focused on RNA interference and gene therapies, for $125 million. Roche sold the Mirus Bio assets in 2011.