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1)  compound variety medicament
复合诱变剂
2)  Composite mutation
复合诱变
1.
Breeding of strain for producing D-Ribose by composite mutation;
复合诱变法选育D-核糖生产菌株
2.
Breeding of marine bacteria with high exopolysaccharides-producing ability by UV ray and lithium chloride composite mutation and its culture conditions
海洋细菌胞外多糖高产菌株的复合诱变选育及培养条件研究
3.
Breeding of a high trehalose Synthase-producing strain by UV-NTG composite mutation
紫外-亚硝基胍复合诱变选育海藻糖合酶高产菌株的研究
3)  combinated mutation
复合诱变
1.
Experimental results indicated that the combinated mutation of protoplast is a qui.
为进一步提高菌株产中性蛋白酶能力,在原生质体最佳形成条件下制备得到Bacillus subtilis UN9原生质体,并对其进行紫外线与亚硝基胍复合诱变,通过摇瓶复筛,得到高产、稳定的突变株Bacillus subtilis Promax NTG14,产酶能力相比出发菌株提高了近24%,中性蛋白酶活力达4286。
4)  complex mutation
复合诱变
1.
Application of complex mutation on screening of high yield red pigment strain;
复合诱变在红曲色素高产菌株选育中的应用
2.
Screening the strain of highly yielding s-adenosylmethionine was conducted with the method of UV and LiCl complex mutation,by Saccharomyces sake yabe SAM-04-01 as the original strain.
以清酒酵母SAM-04-01为出发菌株,通过紫外线-氯化锂复合诱变的方法,来筛选高产腺苷蛋氨酸菌株。
3.
the research focused on four parts: Pretreatment of stalk material、complex mutation of yeast,Yest used lignocellulose for fermention to produce alcohol,Cloning of xylitol dehydrogenase gene (xyl2) .
以休哈塔假丝酵母为诱变出发菌株,通过EMS、LiCl和紫外线三因素复合诱变,以及60Co-γ辐照反复诱变,结合TTC平板、杜氏小管发酵及液态摇瓶发酵三级筛选,最终得到两株优势诱变菌株XX5,XX15,二者酒精产率达到0。
5)  compound mutation
复合诱变
1.
Effect of compound mutation on the oil production by yeast and its detection;
复合诱变对酵母产脂的影响及检测方法的研究
2.
Screening of high neomycin-producing strains by compound mutation;
复合诱变选育新霉素高产菌株的研究
3.
Screening of high-yield chitosan Monascus purpureus strains by compound mutation and the optimization of production medium
复合诱变红曲霉选育高产壳聚糖菌株及培养基优化
6)  compound mutagenesis
复合诱变
1.
Study on breeding of high producing β-glucanase strain by compound mutagenesis;
复合诱变选育高产β-葡聚糖酶菌株
2.
Screening of high acid protease producing strains with compound mutagenesis
复合诱变选育酸性蛋白酶高产菌株
3.
Through compound mutagenesis(NTG+N+ ion implantation),strain HAP3-26-2 with protease activity 35000U·mL-1was isolated.
通过对HAP26复合诱变(NTG+N+离子注入),选育出一株碱性蛋白酶活力达3。
补充资料:诱变剂
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性质:能提高基因突变率的任何因子。物理类诱变因子包括:电离辐射如X射线、γ射线等;非电离辐射如紫外线、热等。化学类诱变因子包括:可直接与核酸的碱基发生化学反应而引起置换的化合物如烷化剂、亚硝酸和羟胺等;间接引起置换的碱基类似物如5-溴尿嘧啶、2-氨基嘌呤和8-氮鸟嘌呤等;可引起移码突变的吖啶类染料等。生物类诱变因子包括:转座子;Mu噬菌体增变基因等。对诱变剂的作用机制研究及使用,有助于人为地、高效地获得各种类型的微生物突变型。当前发酵工业所使用的高产菌株,大都通过诱变育种而明显提高其生产性能的。如青霉素生产菌株通过约半个世纪的不断诱变,其发酵水平已从每毫升20单位上升到近10万单位。

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