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Related Concept Videos

pre-mRNA Processing02:01

pre-mRNA Processing

In eukaryotic cells, transcripts made by RNA polymerase are modified and processed before exiting the nucleus. Unprocessed RNA is called precursor mRNA or pre-mRNA to distinguish it from mature mRNA.
Once about 20-40 ribonucleotides have been joined together by RNA polymerase, a group of enzymes adds a “cap” to the 5’ end of the growing transcript. In this process, a 5’ phosphate is replaced by modified guanosine that has a methyl group attached to it (7-Methyl guanosine). This 5’ cap helps the...
Improving Translational Accuracy02:07

Improving Translational Accuracy

Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
Improving Translational Accuracy02:07

Improving Translational Accuracy

Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...

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Related Experiment Video

Updated: Jun 27, 2026

Tracking and Quantifying Developmental Processes in C. elegans Using Open-source Tools
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Pre2Pub-Tracking the Path From Preprint to Journal Article: Algorithm Development and Validation.

Lisa Langnickel1,2, Daria Podorskaja1,3, Juliane Fluck1,4

  • 1ZB MED - Information Centre for Life Sciences, Cologne, Germany.

Journal of Medical Internet Research
|March 14, 2022
PubMed
Summary
This summary is machine-generated.

Preprints accelerate research communication, but linking them to their final journal versions is challenging. A new algorithm, Pre2Pub, successfully identifies these links, improving preprint searchability and reducing redundancy for researchers.

Keywords:
BERTBidirectional Encoder Representations from TransformersCOVID-19information retrievalmetadatapreprints

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Area of Science:

  • Bibliometrics
  • Scholarly Communication
  • Information Science

Background:

  • Preprints enable rapid dissemination of research findings, crucial during health crises like COVID-19.
  • Integrating preprints into library systems requires clear distinction from peer-reviewed articles and efficient duplicate identification.
  • Storing metadata on the relationship between preprint and journal versions is vital for managing information overload.

Purpose of the Study:

  • To assess the availability of preprint-to-journal publication relationship data in existing metadata.
  • To develop methods for completing this metadata and utilizing it for identifying and filtering republished preprints.
  • To enhance the preVIEW search engine with these capabilities for improved researcher experience.

Main Methods:

  • Analysis of metadata from preprint servers and Crossref.
  • Development of the Pre2Pub algorithm to identify corresponding peer-reviewed articles for preprints.
  • Integration of retrieved relationship data into the preVIEW search engine with distinct presentation and filtering.

Main Results:

  • Metadata for preprint-to-journal relationships is incomplete in preprint servers and Crossref.
  • The Pre2Pub algorithm successfully identified approximately 16% more related journal articles with 99.27% precision.
  • The preVIEW search engine now transparently presents this linkage information, aiding researcher searches.

Conclusions:

  • The link between preprint and journal versions is valuable for researchers to identify novel information.
  • The Pre2Pub algorithm offers a robust solution for retrieving this crucial metadata linkage.
  • Continued efforts are needed to establish transparent and complete metadata standards for preprint-journal relationships.