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Table 3 Changes of different parameters during fermentation in 5 L fermenter of BL Δupp and BL ΔF

From: Optimization of alkaline protease production by rational deletion of sporulation related genes in Bacillus licheniformis

Time/hBL ΔuppBL ΔF
VC/cfu/mLDO2/%pHRS/%VC/cfu/mLDO2/%pHRS/%
05.71 × 104907.2823.676.33 × 104907.2624.18
124.95 × 10853.47.1319.705.86 × 10850.77.1620.03
241.23 × 101032.06.9716.761.44 × 101033.67.2316.85
361.87 × 101037.97.1116.642.09 × 101034.97.1916.54
483.62 × 101035.77.1015.893.13 × 101036.37.1516.16
603.47 × 101036.17.1716.122.95 × 101035.57.1917.04
721.96 × 101037.47.0916.062.46 × 101036.27.1116.51
  1. VC viable counts, DO2 dissolved oxygen, RS represents reducing sugar