Effects of nutrient and oxygen limitation, salinity and type of salt on the accumulation of poly(3-hydroxybutyrate) in Bacillus megaterium uyuni S29 with sucrose as a carbon source

•Elucidation of optimal conditions for P(3HB) formation in B. megaterium on sucrose•Effects of different limitation strategies on biomass and P(3HB) formation•Phosphate limitation shows the best results on sucrose based media•Replacement of NaCl with KCl enhances sucrose consumption of B. megaterium