Biochimie, volume 167, pages 61-67

Oligoglutamylation of E. coli ribosomal protein S6 is under growth phase control

Publication typeJournal Article
Publication date2019-12-01
Journal: Biochimie
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.9
ISSN03009084, 61831638
Biochemistry
General Medicine
Abstract
Ribosomal protein S6 in Escherichia coli is modified by ATP-dependent glutamate ligase RimK. Up to four glutamate residues are added to the C-terminus of S6 protein. In this work we demonstrated that unlike the majority of ribosome modifications in E. coli, oligoglutamylation of S6 protein is regulated and happens only in the stationary phase of bacterial culture. Only S6 protein incorporated into assembled small ribosomal subunits, but not newly made free S6 protein is a substrate for RimK protein. Overexpression of the rimK gene leads to the modification of S6 protein even in the exponential phase of bacterial culture. Thus, it is unlikely that any stationary phase specific factor is needed for the modification. We propose a model that S6 modification is regulated solely via the rate of ribosome biosynthesis at limiting concentration of RimK enzyme.

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Pletnev P. I. et al. Oligoglutamylation of E. coli ribosomal protein S6 is under growth phase control // Biochimie. 2019. Vol. 167. pp. 61-67.
GOST all authors (up to 50) Copy
Pletnev P. I., Nesterchuk M. V., Rubtsova M., Serebryakova M. V., Dmitrieva K., Osterman I. A., Bogdanov A. A., Sergiev P. V. Oligoglutamylation of E. coli ribosomal protein S6 is under growth phase control // Biochimie. 2019. Vol. 167. pp. 61-67.
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RIS Copy
TY - JOUR
DO - 10.1016/j.biochi.2019.09.008
UR - https://doi.org/10.1016%2Fj.biochi.2019.09.008
TI - Oligoglutamylation of E. coli ribosomal protein S6 is under growth phase control
T2 - Biochimie
AU - Pletnev, Philipp I
AU - Nesterchuk, Mikhail V
AU - Rubtsova, Maria
AU - Serebryakova, M. V.
AU - Dmitrieva, Ksenia
AU - Osterman, Ilya A
AU - Bogdanov, Alexey A.
AU - Sergiev, Petr V.
PY - 2019
DA - 2019/12/01 00:00:00
PB - Elsevier
SP - 61-67
VL - 167
SN - 0300-9084
SN - 6183-1638
ER -
BibTex
Cite this
BibTex Copy
@article{2019_Pletnev,
author = {Philipp I Pletnev and Mikhail V Nesterchuk and Maria Rubtsova and M. V. Serebryakova and Ksenia Dmitrieva and Ilya A Osterman and Alexey A. Bogdanov and Petr V. Sergiev},
title = {Oligoglutamylation of E. coli ribosomal protein S6 is under growth phase control},
journal = {Biochimie},
year = {2019},
volume = {167},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016%2Fj.biochi.2019.09.008},
pages = {61--67},
doi = {10.1016/j.biochi.2019.09.008}
}
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