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Related Concept Videos

Types of RNA01:20

Types of RNA

16.4K
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...
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Types of RNA01:23

Types of RNA

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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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Types of RNA01:20

Types of RNA

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Types of RNA01:23

Types of RNA

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Nonsense-mediated mRNA Decay02:27

Nonsense-mediated mRNA Decay

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The Upf proteins that carry out nonsense-mediated decay (NMD) are found in all eukaryotic organisms, including humans. Each protein has an individual role, but they need to work in collaboration. Upf1 is an ATP-dependent RNA helicase that unwinds the RNA helix. Because Upf1 can unwind any RNA, Upf2 and Upf3 are required to help Upf1 discriminate between nonsense and normal mRNAs.
Usually, Upf3 binds to an Exon Junction Complex (EJC) at mRNA splice sites. If a ribosome fully translates the mRNA,...
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RNA Interference01:23

RNA Interference

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RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
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Related Experiment Video

Updated: Apr 8, 2026

A Rapid High-throughput Method for Mapping Ribonucleoproteins RNPs on Human pre-mRNA
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A Rapid High-throughput Method for Mapping Ribonucleoproteins RNPs on Human pre-mRNA

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Who discovered messenger RNA?

Matthew Cobb1

  • 1Faculty of Life Sciences, University of Manchester, M13 9PT, UK.

Current Biology : CB
|July 1, 2015
PubMed
Summary

Messenger RNA (mRNA) discovery and genetic code cracking occurred in 1961. Despite mRNA's importance, its discovery wasn't Nobel-recognized due to complex, collaborative research efforts.

Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • The summer of 1961 marked a pivotal period in molecular biology.
  • Two major breakthroughs, the discovery of messenger RNA (mRNA) and the cracking of the genetic code, were announced nearly simultaneously.

Observation:

  • Despite its fundamental role in understanding gene function, the discovery of mRNA did not receive a Nobel Prize.
  • The scientific landscape of 1961 involved numerous researchers and intricate findings.

Findings:

  • The discovery of mRNA was a complex, multi-faceted scientific endeavor.
  • Attributing priority for scientific discoveries can be challenging due to the collaborative and convoluted nature of research.

Implications:

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  • This case highlights that scientific progress often involves many contributors and complex pathways.
  • Simple claims of priority may not accurately represent the reality of scientific discovery processes.
  • Understanding the history of mRNA discovery provides insights into the evolution of molecular biology research.