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相关概念视频

The Central Dogma01:25

The Central Dogma

Overview
Recombinant DNA01:09

Recombinant DNA

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Transgenic Organisms00:53

Transgenic Organisms

Overview
DNA as a Genetic Template02:05

DNA as a Genetic Template

Two structural features of the DNA molecule provide a basis for the mechanisms of heredity: the four nucleotide bases and its double-stranded nature. The Watson-Crick model of double-helical DNA structure, proposed in 1952, drew heavily upon the X-ray crystallography work of researchers Rosalind Franklin and Maurice Wilkins. Watson, Crick, and Wilkins jointly received the Nobel Prize in Physiology or Medicine for their work in 1962. Franklin was, controversially, excluded from the prize for...
Recombinant DNA01:09

Recombinant DNA

Overview
The Central Dogma01:20

The Central Dogma

The central dogma explains the flow of genetic information from DNA nucleotides to the amino acid sequence of proteins.
RNA is the Missing Link Between DNA and Proteins
In the early 1900s, scientists discovered that DNA stores all the information needed for cellular functions and that proteins perform most of these functions. However, the mechanisms of converting genetic information into functional proteins remained unknown for many years. Initially, it was believed that a single gene is...

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相关实验视频

Updated: Jul 9, 2026

An Ecdysone Receptor-based Singular Gene Switch for Deliberate Expression of Transgene with Robustness, Reversibility, and Negligible Leakiness
06:21

An Ecdysone Receptor-based Singular Gene Switch for Deliberate Expression of Transgene with Robustness, Reversibility, and Negligible Leakiness

Published on: May 7, 2018

创造一种基于蛋白质的遗传元素.

L Li1, S Lindquist

  • 1Howard Hughes Medical Institute, Department of Molecular Genetics and Cell Biology, University of Chicago, 5841 South Maryland Avenue MC1028, Chicago, IL 60637, USA.

Science (New York, N.Y.)
|January 29, 2000
PubMed
概括

科学家们通过将酵母子的子决定剂与大鼠的葡萄糖皮质体受体融合而创造了新的子. 这证明了使用仅蛋白质遗传的工程遗传性状,适用于各种领域.

科学领域:

  • 分子生物学分子生物学
  • 遗传学 遗传学 是一个
  • 生物化学 生物化学

背景情况:

  • 子是具有自我延续的形状变化的蛋白质,作为遗传元素.
  • 了解子的形成和遗传是各种生物过程的关键.

研究的目的:

  • 研究使用重组DNA技术创造新型的可能性.
  • 通过定量来证明可遗传的表型变化的工程.

主要方法:

  • 一种酵母原因子被遗传融合到老鼠的葡萄皮质皮质体受体中.
  • 分析了由此产生的融合蛋白的遗传性和切换行为.

主要成果:

  • 融合蛋白呈现出不同的,可遗传的功能状态.
  • 这些状态可以自发地以较低的速度切换,并通过实验诱导.
  • 通过将蛋白质之间的定量转移来实现表型变化.

结论:

  • 这项研究证实了子遗传的纯蛋白质性质.
  • 已经建立了一个新的机制来设计表型中的遗传性变化.
  • 这种方法在生物研究和生物技术中具有广泛的应用.

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Identification of Functional Protein Regions Through Chimeric Protein Construction

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Homogeneous Glycoconjugate Produced by Combined Unnatural Amino Acid Incorporation and Click-Chemistry for Vaccine Purposes
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Homogeneous Glycoconjugate Produced by Combined Unnatural Amino Acid Incorporation and Click-Chemistry for Vaccine Purposes

Published on: December 19, 2020

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Last Updated: Jul 9, 2026

An Ecdysone Receptor-based Singular Gene Switch for Deliberate Expression of Transgene with Robustness, Reversibility, and Negligible Leakiness
06:21

An Ecdysone Receptor-based Singular Gene Switch for Deliberate Expression of Transgene with Robustness, Reversibility, and Negligible Leakiness

Published on: May 7, 2018

Identification of Functional Protein Regions Through Chimeric Protein Construction
11:39

Identification of Functional Protein Regions Through Chimeric Protein Construction

Published on: January 8, 2019

Homogeneous Glycoconjugate Produced by Combined Unnatural Amino Acid Incorporation and Click-Chemistry for Vaccine Purposes
13:53

Homogeneous Glycoconjugate Produced by Combined Unnatural Amino Acid Incorporation and Click-Chemistry for Vaccine Purposes

Published on: December 19, 2020