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Updated: May 22, 2026

A Fluorescence-based Method to Study Bacterial Gene Regulation in Infected Tissues
Published on: February 19, 2019
The expression of LytM is down-regulated by RNAIII in Staphylococcus aureus
Mu Chunhua1, Liu Yu, Gao Yaping
1Beijing Institute of Basic Medical Sciences, Beijing, P.R. China.
Abstract:
LytM is one kind of autolysin expressed in Staphylococcus aureus. It can hydrolyze peptide bond of pentaglycine, which is the component of cell wall. Until now, the regulation on the expression of LytM is still unclear. Here, we found that the level of LytM in the RNAIII mutant was increased. RNAIII is an important small regulatory RNA in S. aureus. Our further investigation revealed that RNAIII can interact with the 5'UTR of lytM mRNA and block the ribosome binding sites [RBS]. So our results identified that LytM was the new target of RNAIII.
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