A gene linked to increased life span through calorie restriction also appears to play a critical role in boosting memory and brain power, according to a study published Sunday.
周日发布的一项研究表明：一个通过热量限制来增长寿命的基因似乎还对促进记忆和智力有关键作用。
The gene therapy for bone defect, which overcomes the restriction of traditional therapies, has fatal research significance.
骨缺损的基因治疗克服了传统治疗方法的局限，具有重要研究意义。
In addition, gene expression patterns across brain regions show variable degrees of restriction to single brain structures.
另外，整个脑区域的基因表现型显示了单一脑结构的区域可变性。
The restriction map of R2 gene was construed for further use.
对胞壁质酶R2基因进行了限制酶切图谱分析。
Result Restriction endonuclease digestion and sequencing showed that the modification of the sense mutation of OSCP gene can be successful.
结果酶切及测序显示对OSCP基因有义突变部分的纠正获得成功。
Results Restriction enzyme analysis and DNA sequence analysis showed that PTEN gene was cloned and the eukaryotic expression vector was constructed successfully.
结果酶切和测序证实PTEN基因克隆和真核表达载体构建成功。
Genome DNA was extracted from white blood cell. Polymerase chain reaction (PCR) and restriction fragment-length polymorphism (RFLP) were employed to study C-344T polymorphism of CYP11B2 gene.
酚-氯仿法从外周血中提取基因组dna，聚合酶链反应(PCR)及限制性片段长度多态性(RFLP)方法检测CYP11 B2基因C - 344t多态性。
The restriction map of the recombinant was analysed and compared with that of human SRY gene.
此外还比较分析了人和牛SRY同源基因片段限制酶图谱。
METHODS:Polymerase chain reaction(PCR) combined with restriction enzyme digest ion were used to detect gene specific junction fragments of the 23 CMT1 patients and 30 normal controls.
方法：应用聚合酶链反应（PCR）-双酶切法，对23例CMT1患者和30例正常人进行基因特异性连接片段的检测。
CONCLUSION: Because of the speediness, simpleness and good specificity, the PCR combined with restriction enzyme digestion can be used as a primary screening in the gene diagnosis of CMT1A.
结论：由于PCR -双酶切方法快速、简单、易操作，且特异性好，可作为CMT1A基因诊断的一种初筛方法。
DNA modification with restriction-modification system is a component of microbial immune system, and DNA modification without restriction system influences phenotypes by gene regulation.
由限制-修饰系统调控的DNA修饰参与微生物的免疫防御系统，无限制-修饰系统调控的DNA修饰通过调控基因表达影响表型。
In order to connect with PUC19 vector, the gene fragments of heat shock protein HSP70 were linked with the double-stranded artificial joints With EcoR I restriction site.
以拟南芥为材料，对热激蛋白HSP70基因片段进行了克隆研究，获得了最佳的分子克隆实验体系。
The overlap extension mediated by restriction endonuclease to obtain the full length gene was established.
建立一种用于克隆全长基因的、限制性内切酶介导的重叠延伸法 。
Methods PCR and DNA sequencing were performed to study the AR gene mutation; Mbo I restriction endonuclease was used to detect existence of the mutation in normal controls;
并对发现突变的基因进行分析。方法应用PCR扩增、DNA序列测定等技术分析所有AR基因外显子及其邻近DNA序列片段；
Methods PCR and DNA sequencing were performed to study the AR gene mutation; Mbo I restriction endonuclease was used to detect existence of the mutation in normal controls;
并对发现突变的基因进行分析。方法应用PCR扩增、DNA序列测定等技术分析所有AR基因外显子及其邻近DNA序列片段；
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