The variant cell lines still have high ability of accumulating free proline after cultivation on normal medium, which indicated the variant cell lines have steady salt tolerance.
变异细胞系经无盐继代培养后仍具有较高的游离脯氨酸积累能力，表明变异细胞系具有稳定的耐盐性。
Some biological characteristics such as the tolerance to acidity, bile salt and antibiotic of Lacto-bacillus acidophilus LAJ90 was studied by using MRS medium.
采用MRS培养基，对嗜酸乳杆菌LAJ90菌株的耐酸、耐胆汁盐及耐药性等部分生物学特性进行了研究。
Some biological characteristics such as the tolerance to acidity, bile salt and antibiotic of Lacto-bacillus acidophilus LAJ90 was studied by using MRS medium.
采用MRS培养基，对嗜酸乳杆菌LAJ90菌株的耐酸、耐胆汁盐及耐药性等部分生物学特性进行了研究。
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