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- As3.3984 can be used as the original strain for the production of pullulan. 确定菌株As3.;3984作为普鲁兰糖生产研究的出发菌株。
- A cold-sensitive strain Css- 14 was obtained by UV irradiationmutagenesis with Al 3-18 as the original strain. 以酿酒酵母单倍体A13-18为出发菌株，通过紫外线诱变，选育出了低温敏感型突变株Css-14。
- SW355 is 62.9% higher than the original strain SW3, and it has a stable property in transmissibility. 突变株SW355的发酵液滤纸酶活力比出发菌株SW3提高了62.;9%25;且其遗传性状稳定。
- Methods: The Saccharomyces cerevisiae YS5 as original strain was catalyzed by snail enzyme to prepare protoplast. 方法:以酵母菌株YS5作为出发菌株,将酶解破壁后获得的原生质体进行紫外诱变,通过初筛和复筛进行选育。
- As an original strain, Mortierella isabellina was mutated by diethyl sulfate (DES) treatment and a mutant named XM 1 was obtained. 以深黄被孢霉为出发菌 ;通过硫酸二乙酯 (DES)诱变 ;获得优化的变异菌株 XM-1 .;经初筛、复筛及传代实验;表明其是稳定的变异株
- Original strain Glutamine Corynebacterium S9114 was mutated by DES. Then a strain named WW-43, producing Glutarnine was obtained. 采用谷氨酸棒杆菌S9114为出发菌株 ,经硫酸二乙酯诱变处理 ,定向选育出一株生产菌SWW43。
- The colony characters and conidiation between the two sector isolates and the original strain (JZD3) were compared on different media. 为了进一步研究其差异,笔者比较了两个角变株与原始菌株(JZD3)在不同培养基上的生长及产孢量。
- The results showed that the productivity of UMP by the transformation of mutant KU-F14-14 was about 900mg/L, which had increased by 161.6% over the original strain. 突变株生物转化生产尿苷酸能力约为900mg/L;比出发菌株提高了161.;6%25。
- The leaching-rate of the strain mutagenized with microwave for 15s and with ultraviolet for 15min is the highest and is enhanced by 31.22% compared to the original strain. 联合诱变后嗜酸氧化硫硫杆菌菌株对磷矿矿样的浸出率有升有降，其中经微波诱变15s联合紫外线诱变15min后菌株的浸出效果提高最为显著，比原菌株提高了31.
- The original strain of Monascus was induced by UV radiation, DES and LiC1 and 10 strains were obtained. 红曲霉出发菌株经紫外线 (UV)、硫酸二乙酯 (DES)、氯化锂 (LiCl)等诱变剂反复诱变处理 ,获得供试红曲霉菌株 10株。
- Aspergillus niger strain 103 was mutanted by UV-radiation and NTG to get strain A. niger537 with the pectinase activity increased by 130%, compared with that of the original strain. 以黑曲霉菌株A.;niger103为出发株;通过紫外、亚硝基胍等诱变剂进行反复诱变处理;得到一株高产菌株A
- Original strain, Corynebacterium glutamicum AS1542, was mutanted by DES and UV. protoplast irradiation. Finally, a higher L-tryptophan producing strain,T11-6 was obtained. It was a double auxotroph of phenylalanine and tyrosine. 以谷氨酸棒杆菌AS1542为出发菌株，经过硫酸二乙酯诱变和紫外原生质体诱变，定向选育出一株稳定的色氨酸生产菌T11－6，该菌株具有苯丙氨酸、酪氨酸双重营养缺陷及对氟苯丙氨酸、5-甲基色氨酸、6-氟色氨酸三种结构类似物抗性遗传标记。
- After original strain were mutagensised by UV combined LiCl and DES,5 high-yield strains were obtained. 通过硫酸二乙酯诱变得到高产菌株DES-17、DES-34、DES-41。
- Wild streptococcus zooepidemicus C55151 was mutated by NTG. (N-methyl- N'- nitro ? N - nitrosogua ? nidine). A high HA- producing strain J18 was acquired, which can produce HA twice as much as the original strain. 以兽疫链球菌（Streptococcus zooepidemicus）C55151为原始菌种，经N－甲基－N’－硝基－N－亚硝基胍（NTG）诱变处理，获得一株高产透明质酸 （Hyaluronic acid，HA）的变异株J18，其HA产量较原始株提高一倍。
- With TG-866(Brevibacterium Tianjin) as original strain,a L-Glutamine producing strain GMS-44(MSO r ?(NH 4) 2SO 4 r ?SG r) was mutated by using DES mutational method. In optimal conditions,the mutant accumulates an average of 27.0 g/L of glutamine. 以TG - 86 6 (BrevibacteriumTianjin)为出发菌株 ,利用硫酸二乙酯 (DES)诱变 ,定向选育出一株谷氨酰胺生产菌GMS - 44(MSOr、(NH4 ) 2 SO4 r、SGr) ,在适宜的条件下平均积累谷氨酰胺 2 7 0 g/L。
- The intracellular content of glutathione and the accumulation of glutathione of the mutant F4 (a,Arg-,ZnCl2r,Ethr)increased 73.5% and 118.1% in comparison with the original strain S1(a), respectively. 其中F4 (a; Arg-;ZnCl 2r;Ethr)谷胱甘肽胞内含量比出发单倍体S1(a)提高了73.;5%25，谷胱甘肽产量比出发单倍体S1(a)提高了118
- Penicillium expansum PF898, which is a mutant strain by many generation mutagenesis and breeding from the original strain isolated from soil in China, produced an alkaline lipase at a high level. 扩展青霉PF898可产生一种具有重要工业生产价值的碱性脂肪酶，该产生菌是从我国土壤中分离并经多代的诱变育种选育的脂肪酶高产菌株。
- Keep the original strains going. After several generations you will need to backcross to one of the previous strains. 必须继续保留原线鱼种，因为经过异种杂交后往往需要原线鱼种做反交。
- Using wild type Aspergillus oryzae isolated from natural fermented millet catsup as original strain(S),several mutated strains were obtained by ultraviolet mutation. 以自然发酵的粟米酱中分离的野生型米曲霉为出发菌株(S),经分离、纯化后,采用紫外线诱变育种的方法,获得新的变异菌株。
- The property revert to its original owner in1998. 财产于1998年将归还原所有人。
