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Related Concept Videos

Translation01:31

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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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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Initiating translation is complex because it involves multiple molecules. Initiator tRNA, ribosomal subunits, and eukaryotic initiation factors (eIFs) are all required to assemble on the initiation codon of mRNA. This process consists of several steps that are mediated by different eIFs.
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Psychology, as a scientific discipline, aims to understand the mind and behavior through rigorous and systematic methods. The foundation of psychological research is evidence-based, relying heavily on the scientific method to derive and validate knowledge. This structured approach ensures that findings are reliable, valid, and applicable to broader contexts.
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The large ribosomal subunit has several important structures essential to translation. These include the peptidyl transferase center (PTC) - which is the site where the peptide bond is formed - and a large, internal, water-filled tube through which the nascent polypeptide moves. This latter structure is called the Peptide Exit Tunnel, and it begins at the PTC and spans the body of the large ribosomal subunit. During translation, as the nascent polypeptide chain is synthesized, it passes through...
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Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
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Translating Material Science into Biological Function.

Robert M Vernon1, Julie D Forman-Kay2

  • 1Molecular Medicine, The Hospital for Sick Children, Toronto, ON M5G 0A4, Canada.

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Summary
This summary is machine-generated.

Researchers engineered an intrinsically disordered protein to control in vitro translation. This was achieved by forming artificial ribonucleoprotein granules through phase separation, offering new insights into protein condensation and gene expression regulation.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Biophysics

Background:

  • Intrinsically disordered proteins (IDPs) play crucial roles in cellular processes.
  • Phase separation is a key mechanism for organizing cellular components into membraneless organelles.
  • Controlling biological processes like translation using engineered systems is an emerging area of research.

Purpose of the Study:

  • To investigate the potential of engineered IDPs to form functional condensates.
  • To demonstrate the control of in vitro translation using these engineered protein-based granules.
  • To explore the relationship between phase separation and translational regulation.

Main Methods:

  • Engineering of an intrinsically disordered protein with specific phase separation properties.
  • Formation of artificial ribonucleoprotein granules in vitro.
  • Monitoring and quantification of in vitro translation activity within these granules.

Main Results:

  • The engineered IDP undergoes phase separation to form stable, artificial ribonucleoprotein granules.
  • These granules effectively sequester and concentrate translation machinery components.
  • In vitro translation rates were modulated by the formation and dissolution of these granules.

Conclusions:

  • Engineered phase separation of IDPs can create functional biomolecular condensates.
  • Artificial ribonucleoprotein granules can be utilized to control in vitro translation.
  • This work provides a novel platform for studying and manipulating gene expression through protein phase separation.