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- Objective:To study the possible relationship between mitochondrial DNA point mutations and hereditary ataxia. 目的:探索线粒体DNA点突变与遗传性共济失调的关系。
- The low prevalence of Chinese CMT might be due to the different point mutations in these genes. 我国的CMT发病率低可能与其基因突变特点有关。
- It is possible to screen for point mutations in the populations of EMS mutagenesis with high-throughput and low-cost. 它能高通量低成本地在EMS诱变群体中鉴定出发生在特定基因上的点突变。
- There were eleven point mutations in all clones compared with reported HE80-1, but no difference between human and BDV/MDCK clones. 结果发现,所有样品在11个核苷酸位点与文献报道的HE80-1病毒株比较有点变异,但来源于人类的样品与BDV/MDCK株之间无差异。
- Results Both point mutations int 2, nt 656 and a deletion were confirmed in the proband.Each parent carried one of the two mutations. 结果先证者存在缺失突变与内含子2第656剪切突变,父母各携带其一。
- Serum levels of MBL are influenced by three point mutations in exon 1 and further modulated by the polymorphisms in the promoter region of MBL gene. 血清MBL浓度受其结构基因第一外显子几个点突变的影响和启动子区多态性的调控。
- Among the Chinese CMT patients 31.9% are caused by PMP22 duplication, 6.2% by CX32, and 0.9% by HSP22, HSP27, MPZ and GDAP1. Point mutations of PMP22, EGR2 and NEFL are rare. CMT的PMP22基因重复突变所占比例为31.;9%25;CX32基因突变所占比例为6
- Genetic damage with DNA alterations leads to point mutations of genes, translocations of genetic material between chromosomes, and gene reduplication with amplification. 伴随DNA改变的基因损伤会导致基因的点突变、染色体间基因移位和扩增性基因复制。
- So I believe that the point mutations associated with adefovir will decrease the efficacy of tenofovir even though we don’t find a direct connection between those two. 所以我认为,点突变与阿德福韦将减少的效果泰诺福韦即使我们没有找到直接连接两国之间。
- Using molecular biology tools, they introduced point mutations into the DNA coding for the human GABA-A receptor and then inserted this modified version into a Xenopus (frog) egg. 他们使用分子生物学工具,使制造人类GABA-A受体的基因发生点突变,然后将这个突变基因植入非洲爪蟾(Xenopus)卵中。
- Moreover, molecular biology has discovered mechanisms for genetic change that go beyond point mutations, and these expand the ways in which new traits can appear. 此外,分子生物学家已经发现,导致基因变化的机制不只是点突变,因此新性状出现的途径不只一个。
- Sequencing of the PCR product showed three point mutations in SU DHL 1, which were GAC to AAC in codon 72, GOT to ACT in codon 77, and a insertion of C between codon 82 and 83, respectively. 测序分析发现 SU- DHL- 1P16基因第二外显子有 3处点突变 ,即密码子72的 GAC突变为 AAC,密码子 77的 GCT突变为 ACT,密码子 82与 83之间插入了一个 C。
- Objective To investigate the frequencies of three point mutations,CGT52TGT,GGC54GAC and GGA57GAA,in exon 1 of mannan-binding lectin(MBL)structural gene in Chinese Uyghur population. 目的了解我国维吾尔族人群甘露聚糖结合凝集素(MBL)结构基因外显子1第52、54和57位密码点突变(CGT52TGT、GGC54GAC和GGA57GAA)的情况。
- Based on the number of restriction enzyme detecting RFLPs, most of mutations were attributed to point mutation. 根据揭示多态性的限制性内切酶的数量可将产生的突变大多归为点突变。
- It was not confirmable that the point mutations of polh gene in the mutated BmNPV have relationship to abnormal shape of the polyhedra. 诱变的BmNPV polh基因点突变是否与多角体形态异常有关,尚无法确认。
- No deletion or point mutation in acrAB gene were found in Mar and susceptible clinical Escherichia coli isolates. 多重耐药株以及敏感株acrAB基因扩增产物无点突变和缺失。
- The positive rates of HBV site 1896 point mutation are relatively higher in CAH and ALH than that in HCC patients. CAH和 ALH患者检出率较高 ,而 HCC患者检出率较低 ,说明 HBV突变与HBV在人体持续感染及感染后病情恶化有关 ;
- The style of K-ras gene point mutation at codon 12 was GAT in human pancreatic cancer cell line. 人胰腺癌细胞株PANC-1存在K-ras基因的点突变,其突变方式为CAT。
- At this point your logic is at fault. 在这一点上你的推理是错误的。
- Detection of keratin 5 gene point mutation in a family with Weber Cockayne EBS by PCR and direct DNA sequencing. PCR-DNA直接测序检测1例单纯型大疱性表皮松解症Weber-Cockayne亚型(WC-EBS)患者角蛋白K5基因点突变