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Related Concept Videos

Translation01:31

Translation

156.2K
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.
Translation Produces the Building Blocks of...
156.2K
Translation01:31

Translation

17.8K
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.
Translation Produces the Building Blocks of Life
Proteins are...
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Initiation of Translation02:33

Initiation 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.
First, the initiator tRNA must be selected from the pool of elongator tRNAs by eukaryotic initiation factor 2 (eIF2). The initiator tRNA (Met-tRNAi) has conserved sequence elements including modified bases at...
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Termination of Translation01:44

Termination of Translation

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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...
27.7K
Chronic Pancreatitis II: Collaborative Care01:29

Chronic Pancreatitis II: Collaborative Care

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The management of chronic pancreatitis is multifaceted, involving a comprehensive approach that includes thorough assessment, diagnostic testing, and a variety of management strategies.
Assessment:
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Improving Translational Accuracy02:07

Improving Translational Accuracy

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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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The Super Spreadsheet: collaborative information infrastructure in translational teams.

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Clinical and translational research teams (CTRTs) manage diverse information across tools, balancing individual and team styles. Aligning information management practices is crucial for efficient collaboration and timely research progress.

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Area of Science:

  • Team science
  • Clinical and translational research
  • Information science

Background:

  • Science teams utilize various information types for communication and collaboration.
  • The Science of Team Science (SciTS) extensively covers data management but less on collective information behaviors.
  • This study focuses on collaborative information infrastructure in clinical and translational research teams (CTRTs).

Purpose of the Study:

  • Examine collective information behaviors within CTRTs.
  • Identify challenges and facilitators of information management in collaborative research.
  • Inform strategies to support rigorous and reproducible team science.

Main Methods:

  • Conducted interviews with 48 members from 10 U.S.-based CTRTs.
  • Analyzed information management practices across the research lifecycle.
  • Investigated the interplay between individual and collective information organization.

Main Results:

  • CTRTs navigate diverse, dispersed information while managing individual organizational styles.
  • Information management was often overlooked compared to data management.
  • Misaligned information practices led to delays; alignment improved workflow fluency.

Conclusions:

  • A typology of information and identified tensions between individual/collective practices emerged.
  • Understanding these dynamics is key to supporting effective team science in CTRTs.
  • Alignment in information management fosters efficiency and reproducibility in collaborative research.