诱变

This test generates a high- yielding GAD strain by mutagenizing and screening the escherichia colis. It is on the basis of this test to study on the optimal conditions of translation in this strain.

本试验以普通大肠杆菌经过诱变筛选得到一株高产谷氨酸脱羧酶菌株以此为基础，研究该菌株最佳转化条件。

In this paper, callus culture, derived from leaf or petal, and capitulum culture combined with irradiation of γ-ray for mutation were introduced.

菊花有30%品种为变异种，且菊花组织培养之分化与逆分化非常容易调控，因此本文介绍利用叶片或花托癒伤组织、或花托培养等方法，配合γ-射线照射进行诱变育种。

This article reports the experimental results about y-ray induced chimaera of awned mutation in Mt generation of Triticum aestivum L.

在辐射诱变的实践中通常认为：M_1代所有的新的突变都将是杂合体，本文报道了用r-射线诱发长芒突变嵌合体的试验结果，并对嵌合体进行了遗传分析，结果表明：M_1代嵌合体的长芒突变是一种隐性基因突变，它可以是纯合突变。

METHODS Bleomycin-induced mutagen sensitivity was used to measure chromatid breaks of 52 cancer patients and 76 controls.

应用以博莱霉素为诱变剂的敏感性检测方法，检测52例肿瘤患者和76例对照的染色体断裂情况，并对部分样本进行G显带。

Methods The bone marrow cells of pure Kumming species of mice were used as experimental material in which the micronucleusand sister chromatid exchanges induced by cyclophosphamide were used as an index.

方法以昆明纯种小鼠的骨髓细胞为实验材料，用公认的诱变剂环磷酰胺诱发的微核率和姐妹染色单体互换频率为指标，研究EGCG对CP诱导小鼠骨髓细胞MN和SCE的影响。

According to the research progress on citrinin, the strategies of citrinin control were described from the three aspects of fermentation technology, mutation breeding, and genetic engineering.

并结合国内外研究进展，从发酵工艺，诱变育种，基因工程三个层面阐述了控制红曲桔霉素产生的对策，并对桔霉素今后的研究方向进行了展望。

A mutagenic chemical that causes deamination and conversion of several bases into abnormal bases.

能引起脱氨基和将几种碱基转变成异常碱基的诱变性化学物质。

Crystallographic, biochemical, and mutagenic experiments show that the unliganded PDZ domains are inhibitory and suggest that OMP binding per se is sufficient to stabilize the relaxed conformation and activate DegS.

检晶仪，生化和诱变实验表明未连接配体的PDZ区域处于抑制状态，这说明OMP的结合足够维持R态的稳定并激活DegS。

Dioscorea parviflora was treated with colchicines at different concentration and time duration in vitro.

在离体培养条件下，比较了不同浓度，不同处理时间的秋水仙素对小花盾叶薯蓣丛生芽的诱变效果。

Objective To observe the effect of menadiol sodium diphosphate induced mutation.

目的 观察甲萘氢醌二磷酸酯钠的诱变作用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。