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関連する概念動画

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...
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...
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...
Transfer RNA Synthesis02:36

Transfer RNA Synthesis

One of the unique features of tRNA is the presence of modified bases. In some tRNAs, modified bases account for nearly 20% of the total bases in the molecule. Altogether, these unusual bases protect the tRNA from enzymatic degradation by RNases.
Each of these chemical modifications is carried by a specific enzyme, post-transcription. All of these enzymes have unique base and site-specificity. Methylation, the most common chemical modification, is carried by at least nine different enzymes, with...
Transfer RNA Synthesis02:36

Transfer RNA Synthesis

One of the unique features of tRNA is the presence of modified bases. In some tRNAs, modified bases account for nearly 20% of the total bases in the molecule. Altogether, these unusual bases protect the tRNA from enzymatic degradation by RNases.
Each of these chemical modifications is carried by a specific enzyme, post-transcription. All of these enzymes have unique base and site-specificity. Methylation, the most common chemical modification, is carried by at least nine different enzymes, with...
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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関連する実験動画

Updated: May 8, 2026

Artificial RNA Polymerase II Elongation Complexes for Dissecting Co-transcriptional RNA Processing Events
10:59

Artificial RNA Polymerase II Elongation Complexes for Dissecting Co-transcriptional RNA Processing Events

Published on: May 13, 2019

Ty元素はRNAの中間体を通ってトランスポーズする.

J D Boeke, D J Garfinkel, C A Styles

    Cell
    |March 1, 1985
    PubMed
    まとめ
    この要約は機械生成です。

    この研究は,Tyの転写は,レトロウイルス逆転写に似たDNAからRNAからDNAへのプロセスを含むことを示しています. 転置はミュータジェニックであり,Ty要素を変更します.

    さらに関連する動画

    DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation
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    DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation

    Published on: December 29, 2021

    Optical Tweezers to Study RNA-Protein Interactions in Translation Regulation
    12:26

    Optical Tweezers to Study RNA-Protein Interactions in Translation Regulation

    Published on: February 12, 2022

    関連する実験動画

    Last Updated: May 8, 2026

    Artificial RNA Polymerase II Elongation Complexes for Dissecting Co-transcriptional RNA Processing Events
    10:59

    Artificial RNA Polymerase II Elongation Complexes for Dissecting Co-transcriptional RNA Processing Events

    Published on: May 13, 2019

    DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation
    09:26

    DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation

    Published on: December 29, 2021

    Optical Tweezers to Study RNA-Protein Interactions in Translation Regulation
    12:26

    Optical Tweezers to Study RNA-Protein Interactions in Translation Regulation

    Published on: February 12, 2022

    科学分野:

    • 分子生物学は分子生物学である.
    • 遺伝学 遺伝学とは
    • リトロトランスポーゼーションのメカニズム

    背景:

    • Ty元素は酵母におけるレトロトランポゾンである.
    • 転置を理解することは,ゲノム安定性の鍵です.

    研究 の 目的:

    • Tyのトランスポーゼーションのメカニズムを調査するために.
    • Ty転置における中間分子を決定するために.
    • Tyトランスポーゼーションの変異性を評価する.

    主な方法:

    • GAL1プロモーターの制御下で,マークされたTy元素 (TyH3) を使用する.
    • 移行前と後のTy要素のシーケンス分析.
    • 転置中のイントロンスプライシングを分析する.

    主要な成果:

    • Tyのトランスポーゼーションは,Ty要素の重要な構造的変化を伴う.
    • 転置中のイントロンスプライシングは,RNAの中間体をサポートします.
    • 配列遺伝パターンは,レトロウイルス逆転写モデルと一致しています.
    • Tyの転置は,Ty元素に変異性がある.

    結論:

    • Tyの転置はDNA -> RNA -> DNA経路を経由して行われます.
    • TyRNA分子は,転置のための中間物質である.
    • 転置は,Ty元素に影響を与える変異性プロセスである.