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2005•Biotechnology(Faisalabad)Requires access

Mutation Screening of Bacillus in Yogurt Manufacture

Shihao Zhao

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Abstract

To obtain a high acid-produced of strain by mutation;UV and NTG were used to mutate HET-S.Firstly,HET-S was exposed in ultraviolet 150s,obtained a new strain.The acid-produced ability of the new strain could reach 57.85°T,increased 3.05% than that of the original strain.When HET-S was disposed with 0.3mg/mL NTG,60min,a new strain which ability of acid-produced could reach 58.02°T,was obtained,increased 6.52% than before.Then,we disposed the new strain with UV+NTG for two times,obtained a new strain HETl-S-U-N which acidproduced could reach 83.66°T,increased 30.64% than before.

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What this paper is about

To obtain a high acid-produced of strain by mutation;UV and NTG were used to mutate HET-S.Firstly,HET-S was exposed in ultraviolet 150s,obtained a new strain.The acid-produced ability of the new strain could reach 57.85°T,increased 3.05% than that of the original strain.When HET-S was disposed with 0.3mg/mL NTG,60min,a new strain which ability of acid-produced could reach 58.02°T,was obtained,increased 6.52% than before.Then,we disposed the new strain with UV+NTG for two times,obtained a new strain HETl-S-U-N which acidproduced could reach 83.66°T,increased 30.64% than before.

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Available abstract

To obtain a high acid-produced of strain by mutation;UV and NTG were used to mutate HET-S.Firstly,HET-S was exposed in ultraviolet 150s,obtained a new strain.The acid-produced ability of the new strain could reach 57.85°T,increased 3.05% than that of the original strain.When HET-S was disposed with 0.3mg/mL NTG,60min,a new strain which ability of acid-produced could reach 58.02°T,was obtained,increased 6.52% than before.Then,we disposed the new strain with UV+NTG for two times,obtained a new strain HETl-S-U-N which acidproduced could reach 83.66°T,increased 30.64% than before.

Key concepts: Strain (injury), Chemistry, Food science, Mutation, Microbiology, Biology, Biochemistry, Gene

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