関連する実験動画

Updated: Jun 24, 2026

RNAi Screening to Identify Postembryonic Phenotypes in C. elegans
09:40

RNAi Screening to Identify Postembryonic Phenotypes in C. elegans

Published on: February 13, 2012

RNAの干渉に関連する遺伝子やメカニズムは,C. elegansの発達のタイミングを制御する小さな一時RNAの発現を調節する

A Grishok1, A E Pasquinelli, D Conte

  • 1Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, MA 01605, USA.

Cell
|July 20, 2001
PubMed
まとめ

RNA干渉 (RNAi) と内生遺伝子調節は,共通の処理経路を共有しています. Dicer ホモログ dcr-1 と rde-1 ホモログ alg-1 と alg-2 を含む主要なRNAi経路遺伝子は,Caenorhabditis elegansにおける小型のテンポラルRNA (stRNA) の成熟と機能に不可欠である.

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Using RNA-mediated Interference Feeding Strategy to Screen for Genes Involved in Body Size Regulation in the Nematode C. elegans11:22

Using RNA-mediated Interference Feeding Strategy to Screen for Genes Involved in Body Size Regulation in the Nematode C. elegans

Published on: February 13, 2013

Enhanced Northern Blot Detection of Small RNA Species in Drosophila Melanogaster09:39

Enhanced Northern Blot Detection of Small RNA Species in Drosophila Melanogaster

Published on: August 21, 2014

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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...
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Chromatin Structure Regulates pre-mRNA Processing

In eukaryotic cells, nascent mRNA transcripts need to undergo many post-transcriptional modifications to reach the cell cytoplasm and translate into functional proteins. For a long time, transcription and pre-mRNA processing were considered two independent events that occur sequentially in the cell. However, it has now been well established that transcription and pre-mRNA processing are two simultaneous processes that are precisely regulated inside the cell.
The chromatin structure, especially...
Regulation of Expression Occurs at Multiple Steps02:24

Regulation of Expression Occurs at Multiple Steps

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Experimental RNAi02:15

Experimental RNAi

RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
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...
Regulation of Expression at Multiple Steps01:23

Regulation of Expression at Multiple Steps

The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the addition of a...