A transketolase-defective Bacillus subtilis strains HG02 was treated with diethylsulfate (DES) to obtain D-ribose producing strain.

• 研究了以硫酸二乙酯(DES)为诱变剂,诱变生产D-核糖的转酮醇酶缺陷型枯草芽孢杆菌HG02,考察了不同诱变剂用量对菌体致死率及其生产能力的影响。