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Related Concept Videos

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RNA Stability

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Intact DNA strands can be found in fossils, while scientists sometimes struggle to keep RNA intact under laboratory conditions. The structural variations between RNA and DNA underlie the differences in their stability and longevity. Because DNA is double-stranded, it is inherently more stable. The single-stranded structure of RNA is less stable but also more flexible and can form weak internal bonds. Additionally, most RNAs in the cell are relatively short, while DNA can be up to 250 million...
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RNA Structure01:19

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The basic structure of RNA consists of a string of ribonucleotides attached by phosphodiester bonds. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA) involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three...
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Unlike eukaryotes, bacteria use a single RNA Polymerase (RNAP) to transcribe all genes. The different subunits of bacterial RNAPhave distinct functions. The multisubunit structure of the bacterial RNAP helps the enzyme to maintain catalytic function, facilitate assembly, interact with DNA and RNA, and self-regulate its activity.
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Nucleic acids are the most important macromolecules for the continuity of life. They carry the cell's genetic blueprint and carry instructions for its functioning.
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Ribosomal RNA Synthesis02:53

Ribosomal RNA Synthesis

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Ribosome synthesis is a highly complex and coordinated process involving more than 200 assembly factors. The synthesis and processing of ribosomal components occurs not only in the nucleolus but also in the nucleoplasm and the cytoplasm of eukaryotic cells.
Ribosome biogenesis begins with the synthesis of 5S and 45S pre-rRNAs by distinct RNA polymerases. The primary transcripts are extensively processed and modified before they are bound and folded by ribosomal proteins and assembly factors,...
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Eukaryotic RNA Polymerases00:58

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RNA Polymerase (RNAP) is conserved in all animals, with bacterial, archaeal, and eukaryotic RNAPs sharing significant sequence, structural, and functional similarities. Among the three eukaryotic RNAPs, RNA Polymerase II is most similar to bacterial RNAP in terms of both structural organization and folding topologies of the enzyme subunits. However, these similarities are not reflected in their mechanism of action.
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The notorious R.N.A.

Kelly M Anderson1, Stefanie Böhm1

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This summary is machine-generated.

The EMBO Journal is publishing a series of reviews in 2023 on the dynamic field of RNA biology. These articles will explore the latest advancements and diverse functions of RNA molecules.

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Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • RNA molecules play crucial roles in gene expression and regulation.
  • Understanding RNA biology is essential for deciphering cellular functions.

Discussion:

  • The EMBO Journal is featuring a comprehensive review series in 2023.
  • This series covers the current landscape of RNA research.
  • It delves into diverse facets of RNA biology.

Key Insights:

  • The reviews highlight recent breakthroughs in RNA research.
  • Key areas include RNA structure, function, and dynamics.
  • Emerging roles of non-coding RNAs are also discussed.

Outlook:

  • This series provides a valuable resource for researchers.
  • It sets the stage for future investigations in RNA biology.
  • Expect insights into therapeutic applications targeting RNA.