基因改造的

With the development of the molecular biology, investigations were taken to mutate ldh gene.

随着分子生物学在各个领域的不断发展，学者们开始在基因水平改造LDH。

Genetic reconstruction of D. salina via gene engineering for production of foreign materials has become an important research field.

利用基因工程手段对盐藻进行遗传改造以生产外源物质是目前研究的重要领域。

Modification of TIR without changing amino acid sequence is an effective tool to enhance the expression efficiency of desired protein.

在不改变氨基酸的条件下，通过对目的基因TIR进行适当改造，能够有效提高目的蛋白的表达效率。

Then we construct two recombinant vaccinia viruses to compare their expression.

并构建了改造前后基因的痘苗表达载体，获得了表达。

During last two decades, many researchers tried to enhance the xylose fermenting ability of Saccharomyces cerevisiae using genitival engineering technology.

近十几年来许多研究尝试根据代谢工程原理，利用基因工程技术对酿酒酵母进行改造，从而提高其发酵木糖产生乙醇的能力。

The Taenia solium oncosphere 18 gene was cloned and reconstructed into expression vector pYA3341.The recombinant plasmid pYA3341-TSOL18 was finally electro-transformed into an attenuated S.typhimurium definitive host strain of X4500 and the recombinant strain of X4500 (pYA3341-TSOL18) was identified its immunogenicity of expression protein, stability, growth curve, safety in vitro and immunity evaluation by animal experiment in mouse.

克隆并改造TSOL18基因，构建重组质粒pYA3341-TSOL18，电转入鼠伤寒沙门氏菌终宿主菌株X4550，体外鉴定重组菌X4550(pYA3341-TSOL18)表达蛋白的免疫原性、稳定性、生长曲线、安全性和小鼠免疫试验进行评价。

Pistia stratiotes may be a useful plant in remediation of water pollutants by transgenic engineering.

为了有效地进行水浮莲的基因工程改造，达到利用水浮莲进行污染水体的植物修复，本研究建立了水浮莲无菌苗培养体系。

The current studies focus on the hot aspect that A. niger is screened from the nature to gain a new-type strain via biotechnology, e.g. ultraviolet radialization, laser irradiation, microwave radiation, plasmogamy and gene transfer et al. The contents as follows were presented in this paper.

目前研究的热点是通过生物技术方法有目的地改造从自然界分离筛选到的黑曲霉，以获得新型菌株，如用紫外线照射诱变、激光辐射、微波辐射、原生质融合和基因转化技术等来研制开发新型黑曲霉菌株。

It also involved Bt cotton, a plant genetically engineered to resist that threat.

研究还包括Bt棉花，这是通过基因工程改造能够抵抗棉铃虫害的植物。

Consider an experiment designed to evaluate tomato plants genetically engineered for resistance to tomato spotted wilt virus.

实验设计欲评估经基因工程改造之蕃茄类，对於抗番茄斑萎病毒的能力。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。