Barbara Schelle

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A novel coronavirus is the causative agent of the current epidemic of severe acute respiratory syndrome (SARS). Coronaviruses are exceptionally large RNA viruses and employ complex regulatory mechanisms to express their genomes. Here, we determined the sequence of SARS coronavirus (SARS-CoV), isolate Frankfurt 1, and characterized key RNA elements and(More)
Expression of the exceptionally large RNA genomes of CoVs involves multiple regulatory mechanisms, including extensive proteolytic processing of the large replicase polyproteins, pp1a and pp1ab, by two types of cysteine proteases: the chymotrypsin-like main protease and papain-like accessory proteases (PLpros). Here, we characterized the proteolytic(More)
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