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J Bacteriol. 2010 Sep;192(18):4592-6. doi: 10.1128/JB.00448-10. Epub 2010 Jul 16.

The heat shock protein YbeY is required for optimal activity of the 30S ribosomal subunit.

Author information

1
Department of Molecular Microbiology and Biotechnology, The George S Wise Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 69978, Israel.

Abstract

The highly conserved bacterial ybeY gene is a heat shock gene whose function is not fully understood. Previously, we showed that the YbeY protein is involved in protein synthesis, as Escherichia coli mutants with ybeY deleted exhibit severe translational defects in vivo. Here we show that the in vitro activity of the translation machinery of ybeY deletion mutants is significantly lower than that of the wild type. We also show that the lower efficiency of the translation machinery is due to impaired 30S small ribosomal subunits.

PMID:
20639334
PMCID:
PMC2937419
DOI:
10.1128/JB.00448-10
[Indexed for MEDLINE]
Free PMC Article

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