Research Paper (postgraduate) from the year 2011 in the subject Biology - Micro- and Molecular Biology, VIT University, course: M.Sc Biotechnology, language: English, abstract: In the present study, effect of agitation rate on growth yield and virulence property of Bordetella pertussis (BP) strain 509 during pilot scale cultivation was investigated. The results indicated significant decrease in growth yield on increasing the agitation rate due to shear stress of bacterial cells. To charact...