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Bacterial Cell-Cell Communication in the Host via RRNPP Peptide-Binding Regulators
David Perez-Pascual1, Véronique Monnet1, Rozenn Gardan1
1Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas France.
Frontiers in Microbiology
|June 1, 2016
Summary
Bacteria use peptide signals for communication, especially Firmicutes. This review focuses on RRNPP regulators and their peptides, crucial for understanding bacterial roles in the human host.
Area of Science:
- Microbiology
- Molecular Biology
- Host-Microbe Interactions
Background:
- Human microbiomes host dense bacterial consortia.
- Bacteria coordinate gene expression using small signaling molecules for rapid adaptation.
- Peptide-based cell-cell communication is prevalent in Gram-positive bacteria, particularly Firmicutes.
Purpose of the Study:
- To review the biological significance of RRNPP (ribosomal RNA-modifying nucleotidyltransferase, N-terminal protein, and phosphotransferase) regulatory mechanisms.
- To highlight the roles of RRNPP systems in host-microbe interactions, including commensalism and virulence.
Main Methods:
- Literature review of existing research on RRNPP mechanisms.
- Analysis of RRNPP family members in key bacterial species (bacilli, streptococci, enterococci).
Main Results:
- RRNPP regulators and their signaling peptides are important for bacterial communication.
- These systems are found in bacteria inhabiting diverse human niches.
- RRNPP mechanisms influence bacterial behavior in both commensal and pathogenic states.
Conclusions:
- RRNPP systems represent a critical communication pathway in Firmicutes.
- Understanding RRNPP functions is key to deciphering bacterial roles in human health and disease.
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