Institute for Integrative Genome Biology, University of California, Riverside, 1207F Genomics Building, 3401 Watkins Drive, Riverside, 92521, CA, USA.|Institute for Integrative Genome Biology, University of California, Riverside, 1207F Genomics Building, 3401 Watkins Drive, Riverside, 92521, CA, USA. thomas.girke@ucr.edu.