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相关概念视频

Types of RNA01:23

Types of RNA

Overview
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
Types of RNA01:20

Types of RNA

Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in regulating gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA Performs Diverse...
Types of RNA01:23

Types of RNA

Overview
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
Types of RNA01:20

Types of RNA

Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in regulating gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA Performs Diverse...
RNA Editing02:23

RNA Editing

RNA editing is a post-transcriptional modification where a precursor mRNA (pre-mRNA) nucleotide sequence is changed by base insertion, deletion, or modification. The extent of RNA editing varies from a few hundred bases, in mitochondrial DNA of trypanosomes, to a just single base, in nuclear genes of mammals. Even a single base change in the pre-mRNA can convert a codon for one amino acid into the codon for another amino acid or a stop codon. This type of re-coding can significantly affect the...
Nucleic Acids02:43

Nucleic Acids

Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and carry instructions for its functioning.
DNA and RNA
The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is the genetic material in all living organisms, ranging from single-celled bacteria to multicellular mammals. It is in the nucleus of eukaryotes and in the organelles, chloroplasts, and mitochondria. In prokaryotes, the...

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相关实验视频

Updated: May 29, 2026

Isolation of Cognate RNA-protein Complexes from Cells Using Oligonucleotide-directed Elution
10:53

Isolation of Cognate RNA-protein Complexes from Cells Using Oligonucleotide-directed Elution

Published on: January 16, 2017

发射性RNA字母的字母表

Dongwon Shin1, Renatus W Sinkeldam, Yitzhak Tor

  • 1Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093-0358, United States.

Journal of the American Chemical Society
|August 27, 2011
PubMed
概括

科学家们使用thieno[3,4-d]pyrimidine创建了一个新的光核糖核酸字母. 这些排放性核酸替代物显示出高量子产量和环境响应性,与原生核酸不同.

科学领域:

  • 合成有机化学 合成有机化学
  • 生物物理化学 生物物理化学
  • 核酸化学 核酸化学

背景情况:

  • 原生核酸缺乏固有的光,限制了它们在某些生物和化学应用中的使用.
  • 光探针的开发对于先进的分子成像和诊断至关重要.

研究的目的:

  • 开发一套新型的光核糖核糖类相似物.
  • 描述它们的结构,生物物理和光物理特性.
  • 评估它们作为原生核酸的同态替代品的潜力.

主要方法:

  • 合成基[3,4-d]皮里米丁衍生的纯氨酸和皮里米丁类似物.
  • 结构和生物物理分析 (例如,NMR,X射线晶体学,点分析).
  • 光物理特性 (例如,吸收/发射光谱,量子产量确定,光寿命测量).

主要成果:

  • 合成了一套完整的光核糖核酸, (th) A, (th) G, (th) U,和 (th) C.
  • 通过结构和生物物理研究,这些类似物被证实是同型核酸代谢物.
  • 光物理分析揭示了可取的特性:可见辐射,高量子产量和对环境变化的敏感性.

结论:

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AQRNA-seq for Quantifying Small RNAs
05:12

AQRNA-seq for Quantifying Small RNAs

Published on: February 2, 2024

Protocol for the Solid-phase Synthesis of Oligomers of RNA Containing a 2'-O-thiophenylmethyl Modification and Characterization via Circular Dichroism
11:37

Protocol for the Solid-phase Synthesis of Oligomers of RNA Containing a 2'-O-thiophenylmethyl Modification and Characterization via Circular Dichroism

Published on: July 28, 2017

相关实验视频

Last Updated: May 29, 2026

Isolation of Cognate RNA-protein Complexes from Cells Using Oligonucleotide-directed Elution
10:53

Isolation of Cognate RNA-protein Complexes from Cells Using Oligonucleotide-directed Elution

Published on: January 16, 2017

AQRNA-seq for Quantifying Small RNAs
05:12

AQRNA-seq for Quantifying Small RNAs

Published on: February 2, 2024

Protocol for the Solid-phase Synthesis of Oligomers of RNA Containing a 2'-O-thiophenylmethyl Modification and Characterization via Circular Dichroism
11:37

Protocol for the Solid-phase Synthesis of Oligomers of RNA Containing a 2'-O-thiophenylmethyl Modification and Characterization via Circular Dichroism

Published on: July 28, 2017

  • 开发的光核糖核酸字母为生物化学和生物物理研究提供了宝贵的工具.
  • 这些类似物在各种应用中作为原生核酸的有效光替代品.
  • 独特的光物理特性为生物系统的传感和成像提供了新的途径.