MENLO PARK, Calif., July 23, 2012 (GLOBE NEWSWIRE) -- Pacific Biosciences of California, Inc. (Nasdaq:PACB), provider of the PacBio® RS High Resolution Genetic Analyzer, today announced the appointment of David Botstein, Ph.D., Director of the Lewis-Sigler Institute for Integrative Genomics and Anthony B. Evnin Professor of Genomics at Princeton University, to its Board of Directors.