Crossref journal-article
American Society for Microbiology
Journal of Bacteriology (235)
Abstract

ABSTRACT secA is translationally regulated by the protein secretion proficiency state of the Escherichia coli cell. This regulation was explored by making signal sequence mutations in the gene upstream of secA , gene X, which promotes secA translational coupling. Gene X signal sequence mutants were constitutive for secA expression, while prlA alleles partially restored secA regulation. These results show that interaction of the pre-gene X protein with the translocon is required for proper secA regulation. Furthermore, gene X signal sequence mutations disrupted secA regulation only in the cis configuration. We propose that nascent pre-gene X protein interacts with the translocon during its secretion to constitute the secretion sensor.

Bibliography

Oliver, D., Norman, J., & Sarker, S. (1998). Regulation of Escherichia coli secA by Cellular Protein Secretion Proficiency Requires an Intact Gene X Signal Sequence and an Active Translocon. Journal of Bacteriology, 180(19), 5240–5242.

Authors 3
  1. Donald Oliver (first)
  2. Jessica Norman (additional)
  3. Shameema Sarker (additional)
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Dates
Type When
Created 5 years, 8 months ago (Dec. 31, 2019, 11:27 a.m.)
Deposited 4 years, 1 month ago (July 29, 2021, 2:24 p.m.)
Indexed 1 year ago (Aug. 5, 2024, 12:39 a.m.)
Issued 26 years, 11 months ago (Oct. 1, 1998)
Published 26 years, 11 months ago (Oct. 1, 1998)
Published Print 26 years, 11 months ago (Oct. 1, 1998)
Funders 0

None

@article{Oliver_1998, title={Regulation of Escherichia coli secA by Cellular Protein Secretion Proficiency Requires an Intact Gene X Signal Sequence and an Active Translocon}, volume={180}, ISSN={1098-5530}, url={http://dx.doi.org/10.1128/jb.180.19.5240-5242.1998}, DOI={10.1128/jb.180.19.5240-5242.1998}, number={19}, journal={Journal of Bacteriology}, publisher={American Society for Microbiology}, author={Oliver, Donald and Norman, Jessica and Sarker, Shameema}, year={1998}, month=oct, pages={5240–5242} }