The results of experiment showed that B. subtilis BR151 and MI112 containing plasmid pUB110 in LB liquid medium is more stabl than in LB slant.

• 实验证明枯草芽孢杆菌(Bacillus subtilis)BR151和MI112中的pUB110质粒,在液体中传代要比固体斜面传代稳定。