Roche Holding AG continued its streak of biotech buyouts this week, moving to acquire antibody screening company Arius Research Inc., of Toronto, for about C$191 million (US$189.2 million). (BioWorld Today)

Roche Holding AG, fresh off its $44 billion offer for Genentech Inc., moved to accelerate its research into RNAi gene silencing technology with the acquisition of Mirus Bio Corp. for $125 million. (BioWorld Today)