Cited by 21Bacterial Genetics and BiotechnologyRNA and protein synthesis mechanismsHeat shock proteins research

Coupling between codon usage, translation and protein export in Escherichia coli

Zalucki, Yaramah M., Beacham, Ifor R., Jennings, Michael P.·2011·Biotechnology Journal

Abstract

Proteins destined for export via the Sec-dependent pathway are synthesized with a short N-terminal signal peptide. A requirement for export is that the proteins are in a translocationally competent state. This is a loosely folded state that allows the protein to pass through the SecYEG apparatus and pass into the periplasm. In order to maintain pre-secretory proteins in an export-competent state, there are many factors that slow the folding of the pre-secretory protein in the cytoplasm. These include cytoplasmic chaperones, such as SecB, and the signal recognition particle, which bind the pre-secretory protein and direct it to the cytoplasmic membrane for export. Recently, evidence has been published that non-optimal codons in the signal sequence are important for a time-critical early event to allow the correct folding of pre-secretory proteins. This review details the recent developments in folding of the signal peptide and the pre-secretory protein.

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Registry

Crossref · 10.1002/biot.201000334

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86 of 86 references verified0 citation errors · 0 not checkable

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  • The presence of rare codons in Sec signal peptides is not casual but is highly important to ensure efficient interaction of export proteins with the secretory machinery and to prevent their degradation.

    “These results confirmed that the presence of rare codons present in Sec signal peptides is not casual, but is highly important to ensure an efficient interaction of the export proteins with the components of the secretory machinery and also to prevent their degradation [150,151].”

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Authors
Zalucki, Y. M., Beacham, I. R., & Jennings, M. P.
Affiliations
  • Emory University (US)
  • Griffith University (AU)
Corresponding author
Jennings, Michael P.
Venue
Biotechnology Journal
Publisher
Wiley
Published
2011-05-13
Volume
6
Issue
6
Pages
660-667
ISSN
  • 1860-6768 (ISSN-L)
  • 1860-7314
OpenAlex
W2086235743
Cited by
21
References
86
Citations by year
2022: 2 · 2020: 3 · 2018: 1 · 2017: 2 · 2016: 6 · 2015: 2 · 2013: 3 · 2012: 1
FWCI
0.17
Type
journal article
Language
en
Open access
closed
Locations
  • Biotechnology Journal (publishedVersion)
  • PubMed (publishedVersion)
  • Griffith Research Online (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Heat shock proteins research
Keywords
codon usage, translation (biology), protein export, signal peptide, protein folding, SecB, signal recognition particle, SecYEG translocon, Escherichia coli, periplasm, molecular chaperones
MeSH terms
SEC Translocation Channels, Bacterial Proteins, Codon, Escherichia coli, Models, Biological, Proteins, Protein Biosynthesis, Protein Folding, Signal Recognition Particle, Periplasm, Protein Transport, Protein Sorting Signals, Escherichia coli Proteins

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