Taverna has been used by Anil Wipat and others to automate a series of analyses on all the proteins produced by a bacterium to create, by a process of selection and elimination, a list of secreted proteins and their properties.
The secreted proteins explain why anthrax can grow in animal hosts but not in soil.
Publications
The paper e-Science Tools For The Genomic Scale Characterisation Of Bacterial Secreted Proteins by Craddock et al. gives an overview of this work.