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김영권 ; 박성철 ; 김본원 ; 최영학 김천대학교 1990 김천대학교 논문집 Vol.11 No.-
We studied on comparison with growth patterns in between E.coli and S. typhi in variety density of glucose and lactose contained media, The results were as fallows. 1. E.coli was very fast growth patterns other than S. typhi all density of glucose and lactose contained media 2. S. typhi was high growth patterns only in 0.2% glucose con-tained media 3. S. typhi was similar growth patterns in 0.5%, 1.0% glucose contained media. lactose contained media and carbohydrate not contained media 4. Exponential phase was after 4 to 8 hours culture stationary phase was after 8 hours culture and death phase was very fast after 10 hours culture
Bacillus thuringiensis var, kurstaki Temperature Sensitive Mutants의 生化學的變異性研究
金永權 ; 金本源 김천대학교 1987 김천대학교 논문집 Vol.8 No.-
Partial Characterization of B. thuringiensis var. kurstaki temperature sensitive mutants was carried out through bioche-mical analysis, utilization tests of Carbohydrate sources, an-tibiotic resistant test, and toxicity test against to mice. Six ts-mutants, ts-u154, ts-u601, ts-u602, ts-u603, ts-u604 and ts-u788 could not produce urease. ts-u603, lost its motility, ts-u154 could not use Salicin and Cellobiose and ts-us603 not ribose. A11 ts-mutants except ts-u154 and wild type strains were resistant to cephalothin, ampicillin and penicil-lin. But ts-u154 was susceptible to the three antibiotics. The B. thuringiensis and its ts mutants wer not toxic to mice.