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関連する概念動画

Homologous Recombination02:31

Homologous Recombination

The basic reaction of homologous recombination (HR) involves two chromatids that contain DNA sequences sharing a significant stretch of identity. One of these sequences uses a strand from another as a template to synthesize DNA in an enzyme-catalyzed reaction. The final product is a novel amalgamation of the two substrates. To ensure an accurate recombination of sequences, HR is restricted to the S and G2 phases of the cell cycle. At these stages, the DNA has been replicated already and the...
Homologous Recombination02:31

Homologous Recombination

The basic reaction of homologous recombination (HR) involves two chromatids that contain DNA sequences sharing a significant stretch of identity. One of these sequences uses a strand from another as a template to synthesize DNA in an enzyme-catalyzed reaction. The final product is a novel amalgamation of the two substrates. To ensure an accurate recombination of sequences, HR is restricted to the S and G2 phases of the cell cycle. At these stages, the DNA has been replicated already and the...
Exon Recombination02:32

Exon Recombination

The evolution of new genes is critical for speciation. Exon recombination, also known as exon shuffling or domain shuffling, is an important means of new gene formation. It is observed across vertebrates, invertebrates, and in some plants such as potatoes and sunflowers. During exon recombination, exons from the same or different genes recombine and produce new exon-intron combinations, which might evolve into new genes. 
Exon shuffling follows “splice frame rules.” Each exon has three reading...
RNA Structure01:19

RNA Structure

The basic structure of RNA consists of a string of ribonucleotides attached by phosphodiester bonds. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA) involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three...
RNA Structure01:23

RNA Structure

Overview
The basic structure of RNA consists of a five-carbon sugar and one of four nitrogenous bases. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA): messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three RNA types consist of a...
RNA Structure01:23

RNA Structure

Overview
The basic structure of RNA consists of a five-carbon sugar and one of four nitrogenous bases. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA): messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three RNA types consist of a...

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関連する実験動画

Updated: Jun 25, 2026

Preparation of the Mgm101 Recombination Protein by MBP-based Tagging Strategy
11:40

Preparation of the Mgm101 Recombination Protein by MBP-based Tagging Strategy

Published on: June 25, 2013

RNA.RNA.RNA.RNA.RNA.RNA.RNA.RNA.RNA.RNA.RNA. イントロダクション イントロダクション

Marie Z Bao, Robert P Kruger, Fabiola Rivas

    Cell
    |March 6, 2009
    PubMed
    まとめ
    この要約は機械生成です。

    生命はRNAの世界から生まれたのかもしれない. 現代の細胞生物学は,RNAの中心的な役割を明らかにし,その汎用的な機能とRNA生物学研究を推進する重要な質問を強調しています.

    科学分野:

    • 分子生物学は分子生物学である.
    • バイオケミストリー バイオケミストリー
    • 遺伝学 遺伝学とは

    背景:

    • "RNA世界"の概念は,RNAがDNAとタンパク質に先行し,遺伝物質の主要な形態であると仮定しています.
    • 現代の細胞生物学は,様々な生物学的プロセスにおけるRNAの広範囲で重要な役割を強調しています.

    さらに関連する動画

    Studying Ribonucleotide Incorporation: Strand-specific Detection of Ribonucleotides in the Yeast Genome and Measuring Ribonucleotide-induced Mutagenesis
    09:04

    Studying Ribonucleotide Incorporation: Strand-specific Detection of Ribonucleotides in the Yeast Genome and Measuring Ribonucleotide-induced Mutagenesis

    Published on: July 26, 2018

    Real-time Observation of the DNA Strand Exchange Reaction Mediated by Rad51
    06:24

    Real-time Observation of the DNA Strand Exchange Reaction Mediated by Rad51

    Published on: February 13, 2019

    関連する実験動画

    Last Updated: Jun 25, 2026

    Preparation of the Mgm101 Recombination Protein by MBP-based Tagging Strategy
    11:40

    Preparation of the Mgm101 Recombination Protein by MBP-based Tagging Strategy

    Published on: June 25, 2013

    Studying Ribonucleotide Incorporation: Strand-specific Detection of Ribonucleotides in the Yeast Genome and Measuring Ribonucleotide-induced Mutagenesis
    09:04

    Studying Ribonucleotide Incorporation: Strand-specific Detection of Ribonucleotides in the Yeast Genome and Measuring Ribonucleotide-induced Mutagenesis

    Published on: July 26, 2018

    Real-time Observation of the DNA Strand Exchange Reaction Mediated by Rad51
    06:24

    Real-time Observation of the DNA Strand Exchange Reaction Mediated by Rad51

    Published on: February 13, 2019