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Related Concept Videos

Translation01:31

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Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
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Lesson: Translation
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
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Alternative RNA splicing is the regulated splicing of exons and introns to produce different mature mRNAs from a single pre-mRNA. Unlike in constitutive splicing where a single gene produces a single type of mRNA, alternative splicing allows an organism to produce multiple proteins from a single gene and plays an important role in protein diversity.
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Related Experiment Video

Updated: Apr 3, 2026

Purification of Transcripts and Metabolites from Drosophila Heads
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Ribosomopathies: how a common root can cause a tree of pathologies.

Nadia Danilova1, Hanna T Gazda2

  • 1Department of Molecular, Cell & Developmental Biology, University of California, Los Angeles, CA 90095, USA ndanilova@ucla.edu hanna.gazda@childrens.harvard.edu.

Disease Models & Mechanisms
|September 24, 2015
PubMed
Summary

Ribosome biogenesis defects cause ribosomopathies like Diamond-Blackfan anemia (DBA). Animal models reveal shared features and highlight spatiotemporal gene expression differences that may explain varied disease phenotypes.

Keywords:
Diamond-Blackfan anemiaRibosomal proteinRibosome biogenesisRibosomopathyp53ΔNp63

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Area of Science:

  • Molecular Biology
  • Genetics
  • Developmental Biology

Background:

  • Ribosome biogenesis is crucial for cell function; defects lead to ribosomopathies.
  • Diamond-Blackfan anemia (DBA) is a well-studied ribosomopathy caused by haploinsufficiency of ribosomal proteins.
  • Ribosomopathies present diverse clinical manifestations despite shared underlying defects.

Purpose of the Study:

  • To review recent findings on ribosomopathies, focusing on animal models.
  • To explore how differences in spatiotemporal gene expression contribute to distinct ribosomopathy phenotypes.
  • To understand the mechanisms underlying tissue-specific defects in these diseases.

Main Methods:

  • Review of existing literature on ribosomopathies and animal models.
  • Analysis of common and distinct features across human DBA and animal models.
  • Discussion of p53-dependent and -independent pathways in disease manifestation.

Main Results:

  • Common phenotypes include small body size, eye defects, ectodermal overgrowth, and hematopoietic issues.
  • DBA specifically shows red blood cell pathology, malformations, and cancer predisposition.
  • Animal models provide insights into shared and divergent disease mechanisms.

Conclusions:

  • Spatiotemporal expression patterns of affected genes are critical in determining ribosomopathy phenotypes.
  • Further research into these differences is needed to understand tissue-specific defects.
  • Animal models are valuable tools for dissecting ribosomopathy pathogenesis.