This Week in PLoS | GenomeWeb

This Week in PLoS

Columbia University scientists have used microarray analysis to study the effects of epigenetic influences and gene expression patterns on behavioral variability. Using genetically identical mice, their work, published in PLoS ONE this week, shows that variability in large-scale organization of gene expression levels in the hippocampus, rather than differences in the expression levels of specific genes, is associated with individual differences in behavior in the mice.

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Startup companies are taking on personalized medicine, CNET reports.

Bruce Booth writes at Life Sci VC that biotech clusters like Boston and San Francisco are getting even more consolidated.

The Verge speaks with Mark and Scott Kelly, who are the subjects of NASA's Twin Study.

In Genome Biology this week: genes linked to Hirschsprung disease, structural variant patterns in autism, and more.