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相关概念视频

Transgenic Organisms00:53

Transgenic Organisms

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PCR01:32

PCR

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Gene Conversion02:08

Gene Conversion

Other than maintaining genome stability via DNA repair, homologous recombination plays an important role in diversifying the genome. In fact, the recombination of sequences forms the molecular basis of genomic evolution. Random and non-random permutations of genomic sequences create a library of new amalgamated sequences. These newly formed genomes can determine the fitness and survival of cells. In bacteria, homologous and non-homologous types of recombination lead to the evolution of new...
Conservative Site-specific Recombination and Phase Variation02:53

Conservative Site-specific Recombination and Phase Variation

Because the DNA segments are cut and reorganized in a direction-specific manner, site-specific recombination has emerged as an efficient genetic engineering technique. Flippase and Cyclization recombinases or Flp and Cre, respectively, are two members of the tyrosine recombinase family derived from bacteriophages, that are used to mediate site-specific DNA insertions, deletions, and targeted expression of proteins in mammalian cell lines.
The recognition sites for Cre recombinase called LoxP...
PCR - Polymerase Chain Reaction01:32

PCR - Polymerase Chain Reaction

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Gene Conversion02:08

Gene Conversion

Other than maintaining genome stability via DNA repair, homologous recombination plays an important role in diversifying the genome. In fact, the recombination of sequences forms the molecular basis of genomic evolution. Random and non-random permutations of genomic sequences create a library of new amalgamated sequences. These newly formed genomes can determine the fitness and survival of cells. In bacteria, homologous and non-homologous types of recombination lead to the evolution of new...

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相关实验视频

Updated: Jul 10, 2026

Subcloning Plus Insertion (SPI) - A Novel Recombineering Method for the Rapid Construction of Gene Targeting Vectors
09:02

Subcloning Plus Insertion (SPI) - A Novel Recombineering Method for the Rapid Construction of Gene Targeting Vectors

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通过 (PNP(R)) Re 复合物的转化,使非循环基因转化为化碳基因.

Oleg V Ozerov1, Lori A Watson, Maren Pink

  • 1Department of Chemistry, Indiana University, Bloomington, Indiana 47405, USA.

Journal of the American Chemical Society
|May 20, 2004
PubMed
概括

这项研究详细介绍了新型复合物的合成, (PNP(R)) Re(H) ((4),这些复合物与反应形成碳素复合物. 这些反应为有机金属化学机制提供了洞察力.

科学领域:

  • 有机金属化学 有机金属化学
  • 无机合成 无机合成
  • 催化剂是一种催化剂.

背景情况:

  • 具有多牙联体的复合物对催化应用很有兴趣.
  • 了解低价值化的反应性对于开发新的合成方法至关重要.

研究的目的:

  • 合成和描述类型 (PNP(R)) ReOCl(2) 的新型复合物.
  • 为了研究这些复合物的与和的反应性.
  • 为了阐明化由化功能化的机制.

主要方法:

  • 从 (Me) 2S) 2ReOCl) 3和 (PNP) 3MgCl中合成 (PNP) 2ReOCl) 2的合成.
  • 通过使用和来减少复合物.
  • 化与非循环基的反应.
  • 密度函数理论 (DFT) 的计算.
  • 机械学研究的中间检测.

主要成果:

  • 成功合成了 (PNP(R)) ReOCl(2) 与各种 R 组 (iPr, Cy, tBu) 的合成.
  • 不和化物种的形成 (PNP(R)) Re(H) ((4) 能够结合联体.
  • 基因通过中间烯添加物转化为碳复合物.

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  • 从碳中切割乙烯替代剂 (OEt,OPh,F),释放HX.
  • DFT的计算支持了拟议的反应机制.

    • 结论:

    • 合成的复合体对基具有独特的反应性.
    • 提出了一种涉及烯插入和随后的C-X键裂解的机制,并得到了计算和实验数据的支持.
    • 这些发现有助于理解介导的转换和潜在的催化应用.