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modification gene
相关语句
  修饰基因
     In this study conserved sequences of one of possible post-PKS modification gene, the carbamoyltransferase gene (gdmN) in GDM biosynthesis were used to design the primers, by which a 732bp gene fragment was amplified from the Streptomyces hygroscopicus 17997 genome DNA.
     本研究根据GDM的后修饰基因—氨甲酰基转移酶基因(gdmN)的保守序列设计PCR引物,在S.hygroscopicus 17997基因组中扩增出了732bp的基因片段,通过测序和同源比较,证实该基因片段与S.hygroscopicus NRRL 3602的gdmN有94%的同源性。
短句来源
  “modification gene”译为未确定词的双语例句
     Purification, Chemical Modification, Gene Detection and Sequence Analysis of Hemolysin of Streptococcus Suis Type 2 Strain Isolated in Jiangsu Province
     猪链球菌2型江苏分离株溶血素的纯化、化学修饰及其基因检测与分析
短句来源
     Cre/loxP is a site specific recombination system from phage P1. Presently, it has been extensively used in the identification of gene function, genome modification, gene expression and gene regulation in plants, animals and microorganisms.
     Cre loxP是来源于噬菌体P1的一种位点特异性重组系统。 目前 ,它已广泛应用于基因功能鉴定 ,动植物及微生物基因组的修饰以及基因的表达和调控。
短句来源
     Presently, it has been extensively used in the identification of gene function, genome modification, gene expression and gene regulation in plants, animals and microorganisms.
     目前,它已广泛应用于基因功能鉴定,动植物及微生物基因组的修饰以及基因的表达和调控。
短句来源
     Deletion, insertion and mutation can be quickly and precisely performed on the target gene mediated by Red/ET recombination with PCR derived DNA fragments or oligonucleotides. This technical platform has extensive applications in biomedical field including bacterial artificial chromosome modification, gene knock-out construction and genetic modification of E.
     运用该技术能够介导PCR产物或寡核苷酸对目标基因进行剪切、插入、融合及突变等多种操作,在生物医学领域里具有广阔的应用前景,尤其在基因组功能研究中对BACs、PACs和细菌染色体的打靶修饰以及基因敲除动物DNA靶分子的快速构建等方面最有效。
短句来源
  相似匹配句对
     Modification of mutated rat OSCP gene
     大鼠寡霉素敏感相关蛋白(OSCP)基因点突变的改造
短句来源
     Modification of guaA Gene from Inosine Bacilius
     肌苷产生菌guaA基因的修饰
短句来源
     Gene Migration
     迁徙的基因
短句来源
     Modification of Polypropylene
     聚丙烯改性研究
短句来源
     MODIFICATION OF POLYPROPYLENE
     聚丙烯的共混改性
短句来源
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  modification gene
These results demonstrated that gdmRI and gdmRII are pathway-specific positive regulators that control the polyketide biosynthetic genes in geldanamycin biosynthsis, but not the post-PKS modification gene, gdmN.
      
The recent sequencing of the DNA region of the geldanamycin post-polyketide synthase (PKS) modification gene clusters revealed the presence of two regulatory genes: gdmRI (2,907?bp) and gdmRII (2,766?bp).
      
IS1389-A was found in the proximity of the modification gene of the XamI restriction-modification system.
      
The other concern was that RM genes were sequentially transferred into the host genome, with the modification gene being transferred first.
      


The seedlings and the endosperms of Aibian 1 were treated with GA3 at 10ppm.The results showed that not only the shoots but also the endosperms were GA3-insensitive.Two collections of Aibian 1 and Zhong 1902/Aibian 1 monosomic BC1 showed slight different reaction to GA3 .It seems that the GA3-insensitivity of Aibian 1 is controlled by both the major gene Rht10 and the minor modification genes.

利用赤霉酸(GA3)对矮变一号的幼苗及胚乳进行了处理。结果表明,矮变一号不仅植株的地上部分,而且其胚乳组织对赤霉酸都是不敏感的:从两份不同来源的矮变一号对赤霉酸反应的差异及2×中7902单体/矮变一号BC1的表现,推测矮变一号赤霉酸不敏感性除受Rht_(10)主效基因控制外,还受其他微效修饰基因的影响。

Explants of 62 cultivars of upland cotton (Gossypium hirsutum L.) were cultured on the IK and DK media. The results indicated that genotype (cultivars) did not have significant effect on the inducing rate of callus, but greatly affected the embryogenesis on both IK and DK media. Only 16 cultivars were embryogenic, out of which 7 were highly embryogenic, 4 were moderate and 5 were low, the other cultivars were non embryogenic. The growing speed of callus was also influenced by genotype on the IK media, but it...

Explants of 62 cultivars of upland cotton (Gossypium hirsutum L.) were cultured on the IK and DK media. The results indicated that genotype (cultivars) did not have significant effect on the inducing rate of callus, but greatly affected the embryogenesis on both IK and DK media. Only 16 cultivars were embryogenic, out of which 7 were highly embryogenic, 4 were moderate and 5 were low, the other cultivars were non embryogenic. The growing speed of callus was also influenced by genotype on the IK media, but it was not influenced on the DK media. Positive correlation between the growing speed of callus and the embryogenic ability was observed on the IK media, but it was not confirmed on the DK media. Complete diallel crossing was used in the genetic analysis. Thirty six genotypes were obtained and inoculated on the IK media. Remarkable general combining ability, special combining ability and reciprocal crossing effect on the growth rate of callus were noted. Two types of variation of the embryogenenic ability were observed, one was quality type variation, and the other was quantitative type. All the hybrid combinations of non embryogenic and embryogenic showed non embryogenic phenotype, and the segregation ratio of non embryogenic to embryogenic in F 2 offsprings was 3 to 1, suggesting that the somatic embryogenesis was mainly controlled by one pair of recessive genes which accounted for the quality type variation of the somatic embryogenesis. The quantitative variation of the somatic embryogenesis may be caused by some modification genes.

在特定培养条件下对62个陆地棉(GosypiumhirsutumL.)品种进行了离体培养研究。结果表明,基因型对愈伤组织的诱导率没有明显影响,但对体细胞胚胎发生能力影响很大。仅27.4%的品种有体细胞胚胎发生能力,其中胚胎发生能力较强的品种占11.3%,多数品种(72.6%)在本试验中未观察到胚状体形成。在含有IAA及KT的培养条件下,基因型对愈伤组织的生长速度有明显影响。双列杂交结果表明,基因型间愈伤组织生长速度和体细胞胚胎发生能力存在显著差异。愈伤组织生长速度的一般配合力、特殊配合力和反交效应都达到极显著水平。无胚胎发生能力的品种与有胚胎发生能力的品种杂交所得20个组合都不能形成胚状体,且F2代呈3∶1的分离比例,表明体细胞胚胎发生受一对隐性主效基因控制。在有胚胎发生能力的基因型中,胚胎发生能力还存在量的差异,这种差异可能受一些修饰基因的控制。

Photo thermo partially sensitive male sterile wheat line PTS was reciprocally crossed with 13 wheat varities,selfed seed fertility (%) of F 1 hybrids and segregation ratio of the fertile and sterile plants in F2 generation of 5 crossed were observed.The result showed that fertility of F 1 generation is not affected by maternal parents.F 2 generation gave sterile,part-sterile and fertile plants and the fertility change was successive.It seemed that sterility was controlled by nucleus allogenes.If fertility...

Photo thermo partially sensitive male sterile wheat line PTS was reciprocally crossed with 13 wheat varities,selfed seed fertility (%) of F 1 hybrids and segregation ratio of the fertile and sterile plants in F2 generation of 5 crossed were observed.The result showed that fertility of F 1 generation is not affected by maternal parents.F 2 generation gave sterile,part-sterile and fertile plants and the fertility change was successive.It seemed that sterility was controlled by nucleus allogenes.If fertility of 70% was taken as the demarcation line between sterile and fertile plants,the ratio of fertile to sterile would be 3∶1.So it could be indicated that the male sterility might be controlled by a numbers of microeffective modification genes,and their founctions was similar to a major gene.

以 PTS和常规品种 (系 )小偃 6号、西农 872 7、小偃 2 2、陕 2 2 9、陕 785 9、周麦 1 1等互为父母本进行杂交 ,分期播种 F1 和 F2 ,田间考察自交结实率和育性分离情况。结果表明 :F1 正反交组合的结实率不受细胞质影响 ,说明 PTS系的育性遗传为核基因控制。同时 ,F2 代育性变化是一个连续的过程 ,以结实率 70 %为界划分可育与不育及半不育时 ,出现 3∶ 1的分离比 ,因此认为 PTS系的不育表达是一主效隐性基因和多个微效 (修饰 )基因共同作用的结果

 
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