ArticleBrazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]2024
The mntH gene of Burkholderia cenocepacia influences motility and quorum sensing to control virulence.
Article in Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology], 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Phenotypic and Functional Diversity in Meat-AssociatedFoods (Basel, Switzerland) · 2026Article
- Broad-Spectrum Antibacterial Action of Lipopeptides Derived from Bacillus smithii by Targeting Quorum Sensing.Probiotics and antimicrobial proteins · 2026Article
- Forging biofilms: metal-induced microbial responses in biofilm formation.Journal of bacteriology · 2025Review
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3 authors.
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Abstract
Quorum sensing (QS) signals widely exist in bacteria to control biological functions in response to populations of cells. Burkholderia cenocepacia, an important opportunistic pathogen in patients with cystic fibrosis (CF), is commonly found in the environment and mostly utilizes the N-acylhomoserine lactone (AHL) and cis-2-dodecenoic acid (BDSF) QS systems to control biological functions. Our previous study illuminated the detailed mechanism by which B.cenocepacia integrates BDSF and cyclic diguanosine monophosphate (c-di-GMP) signals to control virulence. Here, we employed Tn5 transposon mutagenesis to identify genes related to the BDSF QS system. One of the most significantly attenuated mutants had an insertion in the mntH gene. Here, we showed that MntH (Bcam0836), a manganese transport protein, controls QS-regulated phenotypes, including motility, biofilm formation and virulence. We also found that. BDSF production was attenuated at both the gene and signaling levels in the Bcam0836 mutant, and that Bcam0836 influenced the expression of some genes regulated by the BDSF receptor RpfR and the downstream regulator GtrR. These results show that the manganese transport protein. MntH modulates a subset of genes and functions regulated by the QS system in B. cenocepacia.
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