関連する実験動画

Updated: Aug 10, 2026

RNA Catalyst as a Reporter for Screening Drugs against RNA Editing in Trypanosomes
09:19

RNA Catalyst as a Reporter for Screening Drugs against RNA Editing in Trypanosomes

Published on: July 22, 2014

テトラヒメナリボ酵素は,RNA制限エンドヌクレアースのように作用する

A J Zaug, M D Been, T R Cech

    Nature
    |December 4, 1986
    PubMed
    まとめ

    Aテトラヒメナリボ酵素は,エンドロビヌクレアースとして作用し,グアノシン移転経由でRNAを分裂させます. 変異生成は,特定のテトラヌクレオチド配列を標的としたカスタムエンドロビヌクレアースの合成を可能にします.

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    関連する概念動画

    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...
    Riboswitches01:56

    Riboswitches

    Riboswitches are non-coding mRNA domains that regulate the transcription and translation of downstream genes without the help of proteins. Riboswitches bind directly to a metabolite and can form unique stem-loop or hairpin structures in response to the amount of the metabolite present. They have two distinct regions – a metabolite-binding aptamer and an expression platform.
    The aptamer has high specificity for a particular metabolite which allows riboswitches to specifically regulate...
    Ribozymes02:47

    Ribozymes

    The term ribozyme is used for RNA that can act as an enzyme. Ribozymes are mainly found in selected viruses, bacteria, plant organelles, and lower eukaryotes. Ribozymes were first discovered in 1982 when Tom Cech’s laboratory observed Group I introns acting as enzymes. This was shortly followed by the discovery of another ribozyme, Ribonulcease P, by Sid Altman’s laboratory. Both Cech and Altman received the Nobel Prize in chemistry in 1989 for their work on ribozymes.
    Ribozymes can be...
    Ribozymes02:47

    Ribozymes

    The term ribozyme is used for RNA that can act as an enzyme. Ribozymes are mainly found in selected viruses, bacteria, plant organelles, and lower eukaryotes. Ribozymes were first discovered in 1982 when Tom Cech’s laboratory observed Group I introns acting as enzymes. This was shortly followed by the discovery of another ribozyme, Ribonulcease P, by Sid Altman’s laboratory. Both Cech and Altman received the Nobel Prize in chemistry in 1989 for their work on ribozymes.
    Ribozymes can be...
    Restriction Enzymes01:11

    Restriction Enzymes

    Restriction enzymes are bacterial enzymes used to cut DNA in a sequence-specific manner. To cleave DNA, they bind to specific palindromic sequences called restriction sites. Such palindromic DNA sequences or inverted repeats are commonly found in regions of functional significance, such as the origin of replication, gene operator sites, and regions containing transcription termination signals.
    The host bacteria protect their own genomic DNA from these enzymes by methylating these sites. Some...
    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...