Knome, a Cambridge, MA-based genome interpretation firm, used its proprietary DNA analysis software to help Canadian researchers uncover a gene variant that appears to be linked to late-onset Parkinson's disease. Researchers from the University of British Columbia who led the study, published last week in The American Journal of Human Genetics, found that a mutation in the gene for vacuolar protein-sorting associated protein 35 is a biomarker for the neurodegenerative disease. Story