摘要
本实验利用目标纳豆枯草芽孢杆菌所应具有的耐热性、耐盐性及显著的蛋白酶活性等生物学特性设计定向选育方案,从日本纳豆和纳豆发酵剂样品中筛选蛋白酶活力高、并溶血纤维蛋白特异性显著的枯草芽孢杆菌。最终从1种干纳豆中分离筛选出1株芽孢杆菌,代号为:HL986,其培养物中1种蛋白酶的溶栓性和分子量都十分接近已有报道的纳豆激酶(NK)。
Directional isolation on Bacillus natto strains from Japanese natto were conducted according to the Bacterium's properties such as heatproof ability,salt resistance,and notable proteinase activities.A bacillus natto strain was isolated and named HL986 it produces nattokinase as other B.natto reported.
出处
《内蒙古农业大学学报（自然科学版）》
CAS
2002年第4期107-109,共3页
Journal of Inner Mongolia Agricultural University(Natural Science Edition)
关键词
纳豆
纳豆激酶
纳豆枯草杆菌
定向筛选
natto
nattokinase(NK)
Bacillus subtilis natto
directional isolation
