选择基因

结论选择基因水平HLADR相容具有临床可行性、对首次尸肾移植长期存活具有显著影响。

Conclusion Genomic HLA DR compatibility had a significant impact on long term survival of first cadaver kidney transplantation .

至今，已有一些研究表明选择基因型分析能有效进行QTL定位。

Several studies have shown that selective genotyping is an efficient method to locate major QTL .

菌株质植中GUS基因为标记基因，NPTⅡ基因为选择基因。

GUS gene is as marker gene and NPT ⅱ gene is as selecting gene .

但是比较选择基因型分析与全群体作图方法对QTL检测功效的研究较少。

However , there are few studies on the relative efficiency of selective genotyping compared with the entire population approaches .

在所有真实群体中，双尾选择基因型检测QTL的一致性远高于单尾选择基因型。

In all actual populations , QTL detected by two-tail selective genotyping is more consistent with entire-population approaches than those by one-tail selective genotyping . 5 .

本研究表明，将分池法与选择基因型分析相结合，可以利用F2代群体定位效应较小的QTL位点。

This study demonstrated the feasibility of using bulk-based approach coupled with selective genotyping in identifying markers for QTL with moderate effects in the F_2 generation .

众多研究表明VEGF与BMP可通过联合方式促进骨组织的再生与修复，但是其相互协同作用机制尚不十分明确，因选择基因载体的差异而导致转染效率也不尽相同。

Number of studies have shown that VEGF can be combined with the BMP to promote bone tissue regeneration and repair , but the synergy between the mechanism is not yet clear , due to selection caused by differences in gene vector transfection efficiency is not the same .

油菜高效转基因平台及无选择基因转化

High-efficient transgenic platform and nonselective transformation of Brassica napus

很多人担心父母不是出于健康原因去为自己的孩子选择基因。

A lot of people are worried that parents will want to choose their baby 's genes for non-medical reasons .

换言之，雌性动物能从雄性配偶那里获得的只是它的基因，雌性动物会选择基因好的雄性动物。

In other words , all a female gets from a mate are his genes , and females select for males with good genes .

根据尾分析法中的标准选择基因型分析法的原理，分别按照哈氏单位和蛋壳强度取群体两尾各5%左右的个体组成两尾极端小群。

Five percent individuals at each tail of the whole population were selected to establish two extrem groups for Haugh Unit and shell strength , and standard selective genotyping were performed .

P-选择素基因多态性与可溶性P选择素浓度、心房颤动血栓栓塞的相关性研究

The association of soluble P-selectin gene polymorphisms with soluble P-selectin levels and thromboembolic events induced by atrial fibrillation

E选择素基因多态性与广西壮族系统性红斑狼疮的相关性研究

Association of the E-selectin polymorphism with Systemic Lupus Erythematosus in the Ethnic Zhuang population from Guangxi Province

选择部分基因进一步用半定量RT一PCR的方法鉴定其在相应类型标本中的表达。

Several differentially expressed genes were confirmed by semi-quantitative RT-PCR in the relevant tissues .

目前，正结合进行田间分离纯合和DNA分子鉴定，培育去除选择标记基因的转基因抗虫玉米自交系。

At present , inbred lines of transgenic insect resistant maize with selective marker gene removed are in separating and inbreeding program assisted by DNA marker detection .

利用DNA免疫法制备植物选择标记基因hpt表达蛋白抗体的研究

Study on the preparing of polyclonal antibodies against plant-selected maker gene hpt expression protein by DNA immunization

提出一种PLS系数选择特征基因的方法。

The PLS coefficient method is proposed .

用hMT-Ia基因作选择标记基因在BPV载体中表达HBsAg的研究

Using bMT-Ia Gene as Selective Marker to Express HBsAg in a BPV Vector

植物选择标记基因hpt在大肠杆菌中的融合表达、纯化及活性测定

Fusion Expression , Purification and Bioactivity Assay of Plant Selectable Marker Gene hpt in E. coli

结果E-选择素基因第2外显子等位基因G、T频率在壮族与汉族正常人群中分别为94.8%、5.2%和95.3%、4.7%；

Results The allele frequencies of G , T for E selectin polymorphism in the exon 2 were 94.8 % and 5 2 % in Zhuangs , 95.3 % and 4.7 % in Hans , respectively ;

Bar基因是转基因商品化作物中应用最多的目标基因，也是水稻遗传转化中应用较多的选择标记基因，因此，建立以Bar基因为选择标记的通用和高效的遗传转化体系非常必要。

Bar gene is widely used in commercialized transgenic crops as a selective marker and also used in rice transformation . Therefore , the establishment of a kind of common and efficiency genetic transformation system is necessary .

在此基础上，选择RANTES基因启动子区的两个多态位点，重点研究其多态性对基因功能的影响。

Meanwhile , we further investigated two polymorphism sites of RANTES and their effects on the function of the genes .

对小麦遗传转化上常用的选择标记基因NPTⅡ的选择剂及GUS基因在幼胚愈伤组织中的转移进行了研究。

The selectable marker gene ( NPT ⅱ ) that is usually used for wheat transformation was tested for the optimal selector .

为彻底消除选择标记基因的负面影响，目前已经发展了多种去除选择标记基因的植物转化系统，如共转化系统、位点特异性重组系统、转座子系统及MAT载体系统等。

Presently many plant transformation systems have been developed in order to remove selectable marker genes such as co-transformation system , site-specific recombination system , transposable element system and MAT vector system etc.

在此基础上，找到了合适的Basta筛选压，为以bar基因作为选择标记基因的水稻遗传转化奠定了基础。

On the basis of this result , optimal selection pressure of basta was determined , thus laying a foundation for the transformation of rice with bar gene serving as selection marker gene .

目的研究E选择素基因第4外显子S128R多态性在湖北地区健康汉族人群中的分布。

Objective To study the single nucleotide polymorphism ( SNP ) in the exon 4 of E-selectin at position 128 in the healthy Chinese Han Population of Hubei .

同时，还发现，gypsy绝缘子能增强选择标记基因的表达，从而有利于转基因植株的筛选。

The gypsy insulator was also able to improve the expression of a selectable marker gene outside the insulated region , which facilitated the screen of transgenic plants .

结果：中国湖北地区人群P-选择素基因启动子-2123位点各基因型频率CC型8.20%，CG型37.60%，GG型54.10%。

Results : In Hans crowd of the area Hubei , China , the frequency of P-selectin genotype GG is 8.20 % , GC is 37.60 % , CC is 54.10 % , respectively .

目的：制备抗潮霉素B磷酸转移酶（HPT）的单克隆抗体（McAb），建立一种快速检测转基因作物中该选择标记基因HPT编码蛋白的方法。

Objective : To produce monoclonal antibodies ( McAb ) against hygromycin B phosphotransferase ( HPT ) and to establish a rapid method for the measurement of HPT antigen in the genetically modified crops ( GMC ) .

而基于自然选择和基因遗传学原理的遗传算法（GA），具有很强的全局搜索能力，将二者结合起来形成了一种训练神经网络的混合算法&遗传神经网络（GA-BP）。

Genetic Algorithm ( GA ) based on natural selection theory and genetics has good global search property . Combining the neural network with the genetic algorithm is to be a mix algorithm-genetic neural network ( GA-BP ) .