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Triblock copolymer micelles enhance solubility, permeability and activity of a quorum sensing inhibitor against Pseudomonas aeruginosa biofilms (2024)
Journal Article
Kasza, K., Soukarieh, F., Romero, M., Hardie, K. R., Gurnani, P., Cámara, M., & Alexander, C. (2024). Triblock copolymer micelles enhance solubility, permeability and activity of a quorum sensing inhibitor against Pseudomonas aeruginosa biofilms. RSC Applied Polymers, https://doi.org/10.1039/D3LP00208J

Antimicrobial resistance is a threat to public health for which new treatments are urgently required. The capability of bacteria to form biofilms is of particular concern as it enables high bacterial tolerance to conventional therapies by reducing dr... Read More about Triblock copolymer micelles enhance solubility, permeability and activity of a quorum sensing inhibitor against Pseudomonas aeruginosa biofilms.

Development, characterization, and evaluation of a simple polymicrobial colony biofilm model for testing of antimicrobial wound dressings (2024)
Journal Article
Robertson, S. N., Romero, M., Fenn, S., Riedi, P. L. K., & Cámara, M. (2024). Development, characterization, and evaluation of a simple polymicrobial colony biofilm model for testing of antimicrobial wound dressings. Journal of Applied Microbiology, 135(3), Article lxae042. https://doi.org/10.1093/jambio/lxae042

Chronic wound infections are generally of polymicrobial nature with aerobic and anaerobic bacteria, as well as fungi frequently observed in them. Wound treatment involves a series of steps, including debridement of the wound, flushing, and often the... Read More about Development, characterization, and evaluation of a simple polymicrobial colony biofilm model for testing of antimicrobial wound dressings.

Ciprofloxacin poly(β-amino ester) conjugates enhance antibiofilm activity and slow the development of resistance (2024)
Journal Article
Kasza, K., Richards, B., Jones, S., Romero, M., Robertson, S. N., Hardie, K. R., …Alexander, C. (2024). Ciprofloxacin poly(β-amino ester) conjugates enhance antibiofilm activity and slow the development of resistance. ACS Applied Materials and Interfaces, 16(5), 5412-5425. https://doi.org/10.1021/acsami.3c14357

To tackle the emerging antibiotic resistance crisis, novel antimicrobial approaches are urgently needed. Bacterial biofilms are a particular concern in this context as they are responsible for over 80% of bacterial infections and are inherently more... Read More about Ciprofloxacin poly(β-amino ester) conjugates enhance antibiofilm activity and slow the development of resistance.

Design, Synthesis, and Evaluation of New 1H-Benzo[d]imidazole Based PqsR Inhibitors as Adjuvant Therapy for Pseudomonas aeruginosa Infections (2024)
Journal Article
Soukarieh, F., Mashabi, A., Richardson, W., Oton, E. V., Romero, M., Dubern, J., …Cámara, M. (2024). Design, Synthesis, and Evaluation of New 1H-Benzo[d]imidazole Based PqsR Inhibitors as Adjuvant Therapy for Pseudomonas aeruginosa Infections. Journal of Medicinal Chemistry, 67(2), 1008-1023. https://doi.org/10.1021/acs.jmedchem.3c00973

Pseudomonas aeruginosa is one of the top priority pathogens that requires immediate attention according to the World Health Organisation (WHO). Due to the alarming shortage of novel antimicrobials, targeting quorum sensing (QS), a bacterial cell to c... Read More about Design, Synthesis, and Evaluation of New 1H-Benzo[d]imidazole Based PqsR Inhibitors as Adjuvant Therapy for Pseudomonas aeruginosa Infections.

RsaL-driven negative regulation promotes heterogeneity in Pseudomonas aeruginosa quorum sensing (2023)
Journal Article
Mellini, M., Letizia, M., Caruso, L., Guiducci, A., Meneghini, C., Heeb, S., …Rampioni, G. (2023). RsaL-driven negative regulation promotes heterogeneity in Pseudomonas aeruginosa quorum sensing. mBio, 14(6), Article e02039-23. https://doi.org/10.1128/mbio.02039-23

In its canonical interpretation, quorum sensing (QS) allows single cells in a bacterial population to synchronize gene expression and hence perform specific tasks collectively once the quorum cell density is reached. However, growing evidence in diff... Read More about RsaL-driven negative regulation promotes heterogeneity in Pseudomonas aeruginosa quorum sensing.

Growth rate and nutrient limitation as key drivers of extracellular quorum sensing signal molecule accumulation in Pseudomonas aeruginosa (2023)
Journal Article
Dubern, J., Halliday, N., Cámara, M., Winzer, K., Barrett, D. A., Hardie, K. R., & Williams, P. (2023). Growth rate and nutrient limitation as key drivers of extracellular quorum sensing signal molecule accumulation in Pseudomonas aeruginosa. Microbiology, 169(4), Article 001316. https://doi.org/10.1099/mic.0.001316

In Pseudomonas aeruginosa, quorum sensing (QS) depends on an interconnected regulatory hierarchy involving the Las, Rhl and Pqs systems, which are collectively responsible for the co-ordinated synthesis of a diverse repertoire of N-acylhomoserine lac... Read More about Growth rate and nutrient limitation as key drivers of extracellular quorum sensing signal molecule accumulation in Pseudomonas aeruginosa.

Probing Interkingdom Signaling Molecules via Liquid Extraction Surface Analysis-Mass Spectrometry (2023)
Journal Article
Robertson, S. N., Soukarieh, F., White, T. M., Camara, M., Romero, M., & Griffiths, R. L. (2023). Probing Interkingdom Signaling Molecules via Liquid Extraction Surface Analysis-Mass Spectrometry. Analytical Chemistry, 95(11), 5079-5086. https://doi.org/10.1021/acs.analchem.2c05703

Previously, metabolites diffused or secreted from microbial samples have been analyzed via liquid chromatography–mass spectrometry (LC–MS) approaches following lengthy extraction protocols. Here, we present a model system for growing biofilms on disc... Read More about Probing Interkingdom Signaling Molecules via Liquid Extraction Surface Analysis-Mass Spectrometry.

Design of Quorum Sensing Inhibitor–Polymer Conjugates to Penetrate Pseudomonas aeruginosa Biofilms (2023)
Journal Article
Soukarieh, F., Gurnani, P., Romero, M., Halliday, N., Stocks, M., Alexander, C., & Cámara, M. (2023). Design of Quorum Sensing Inhibitor–Polymer Conjugates to Penetrate Pseudomonas aeruginosa Biofilms. ACS Macro Letters, 12(3), 314-319. https://doi.org/10.1021/acsmacrolett.2c00699

Antimicrobial resistance (AMR) is a global threat to public health with a forecast of a negative financial impact of one trillion dollars per annum, hence novel therapeutics are urgently needed. The resistance of many bacteria against current drugs i... Read More about Design of Quorum Sensing Inhibitor–Polymer Conjugates to Penetrate Pseudomonas aeruginosa Biofilms.

Supporting the strategic pillars of translational research in biofilms (2022)
Journal Article
Camara, M., & Filloux, A. (2022). Supporting the strategic pillars of translational research in biofilms. npj Biofilms and Microbiomes, 8(1), Article 90. https://doi.org/10.1038/s41522-022-00354-4

It is now widely accepted that most microorganisms live within communities and not as single cells. The interaction between species within the community drives the behaviour of the population and its adaptation to various ecosystems and hosts. This r... Read More about Supporting the strategic pillars of translational research in biofilms.

ToxR is a c-di-GMP binding protein that modulates surface-associated behaviour in Pseudomonas aeruginosa (2022)
Journal Article
Camara, M., Dubern, J., Romero, M., Mai-Prochnow, A., Messina, M., Trampari, E., …Heeb, S. (2022). ToxR is a c-di-GMP binding protein that modulates surface-associated behaviour in Pseudomonas aeruginosa. npj Biofilms and Microbiomes, 8, Article 64. https://doi.org/10.1038/s41522-022-00325-9

Pseudomonas aeruginosa uses multiple protein regulators that work in tandem to control the production of a wide range of virulence factors and facilitate rapid adaptation to diverse environmental conditions. In this opportunistic pathogen, ToxR was k... Read More about ToxR is a c-di-GMP binding protein that modulates surface-associated behaviour in Pseudomonas aeruginosa.

Symbiopectobacterium purcellii, gen. nov., sp. nov., isolated from the leafhopper Empoasca decipiens (2022)
Journal Article
Nadal-Jimenez, P., Siozios, S., Halliday, N., Cámara, M., & Hurst, G. D. D. (2022). Symbiopectobacterium purcellii, gen. nov., sp. nov., isolated from the leafhopper Empoasca decipiens. International Journal of Systematic and Evolutionary Microbiology, 72(6), Article 005440. https://doi.org/10.1099/ijsem.0.005440

Bacterial endosymbionts are found in multiple arthropod species, where they play crucial roles as nutritional symbionts, defensive symbionts or reproductive parasites. Recent work has highlighted a new clade of heritable microbes within the gammaprot... Read More about Symbiopectobacterium purcellii, gen. nov., sp. nov., isolated from the leafhopper Empoasca decipiens.

Economic significance of biofilms: a multidisciplinary and cross-sectoral challenge (2022)
Journal Article
Cámara, M., Green, W., MacPhee, C. E., Rakowska, P. D., Raval, R., Richardson, M. C., …Webb, J. S. (2022). Economic significance of biofilms: a multidisciplinary and cross-sectoral challenge. npj Biofilms and Microbiomes, 8(1), Article 42. https://doi.org/10.1038/s41522-022-00306-y

The increasing awareness of the significance of microbial biofilms across different sectors is continuously revealing new areas of opportunity in the development of innovative technologies in translational research, which can address their detrimenta... Read More about Economic significance of biofilms: a multidisciplinary and cross-sectoral challenge.

Porphyromonas pasteri and Prevotella nanceiensis in the sputum microbiota are associated with increased decline in lung function in individuals with cystic fibrosis (2022)
Journal Article
Webb, K., Zain, N. M. M., Stewart, I., Fogarty, A., Nash, E. F., Whitehouse, J. L., …Barr, H. L. (2022). Porphyromonas pasteri and Prevotella nanceiensis in the sputum microbiota are associated with increased decline in lung function in individuals with cystic fibrosis. Journal of Medical Microbiology, 71(2), Article 001481. https://doi.org/10.1099/jmm.0.001481

Although anaerobic bacteria exist in abundance in cystic fibrosis (CF) airways, their role in disease progression is poorly understood. We hypothesized that the presence and relative abundance of the most prevalent, live, anaerobic bacteria in sputum... Read More about Porphyromonas pasteri and Prevotella nanceiensis in the sputum microbiota are associated with increased decline in lung function in individuals with cystic fibrosis.

Carbohydrates from Pseudomonas aeruginosa biofilms interact with immune C-type lectins and interfere with their receptor function (2021)
Journal Article
Singh, S., Almuhanna, Y., Alshahrani, M. Y., Lowman, D. W., Rice, P. J., Gell, C., …Martinez-Pomares, L. (2021). Carbohydrates from Pseudomonas aeruginosa biofilms interact with immune C-type lectins and interfere with their receptor function. npj Biofilms and Microbiomes, 7(1), Article 87. https://doi.org/10.1038/s41522-021-00257-w

Bacterial biofilms represent a challenge to the healthcare system because of their resilience against antimicrobials and immune attack. Biofilms consist of bacterial aggregates embedded in an extracellular polymeric substance (EPS) composed of polysa... Read More about Carbohydrates from Pseudomonas aeruginosa biofilms interact with immune C-type lectins and interfere with their receptor function.

2-Alkyl-4-quinolone quorum sensing molecules are biomarkers for culture-independent Pseudomonas aeruginosa burden in adults with cystic fibrosis (2021)
Journal Article
Zain, N. M. M., Webb, K., Stewart, I., Halliday, N., Barrett, D. A., Nash, E. F., …Barr, H. L. (2021). 2-Alkyl-4-quinolone quorum sensing molecules are biomarkers for culture-independent Pseudomonas aeruginosa burden in adults with cystic fibrosis. Journal of Medical Microbiology, 70(10), https://doi.org/10.1099/jmm.0.001420

Introduction. Pseudomonas aeruginosa produces quorum sensing signalling molecules including 2-alkyl-4-quinolones (AQs), which regulate virulence factor production in the cystic fibrosis (CF) airways. Hypothesis/Gap statement. Culture can lead to cond... Read More about 2-Alkyl-4-quinolone quorum sensing molecules are biomarkers for culture-independent Pseudomonas aeruginosa burden in adults with cystic fibrosis.

Novel detection of specific bacterial quorum sensing molecules in saliva: Potential non-invasive biomarkers for pulmonary Pseudomonas aeruginosa in cystic fibrosis (2021)
Journal Article
Webb, K., Cámara, M., Zain, N. M. M., Halliday, N., Bruce, K. D., Nash, E. F., …Barr, H. L. (2022). Novel detection of specific bacterial quorum sensing molecules in saliva: Potential non-invasive biomarkers for pulmonary Pseudomonas aeruginosa in cystic fibrosis. Journal of Cystic Fibrosis, 21(4), 626-629. https://doi.org/10.1016/j.jcf.2021.08.030

Pseudomonas aeruginosa produces specific signalling molecules, 2-alkyl-4-quinolones (AQs) that are detectable in the sputum of adults with cystic fibrosis (CF) and who have pulmonary infection with this opportunistic pathogen. This study aimed to det... Read More about Novel detection of specific bacterial quorum sensing molecules in saliva: Potential non-invasive biomarkers for pulmonary Pseudomonas aeruginosa in cystic fibrosis.

Design and Evaluation of New Quinazolin-4(3 H)-one Derived PqsR Antagonists as Quorum Sensing Quenchers in Pseudomonas aeruginosa (2021)
Journal Article
Soukarieh, F., Mashabi, A., Richardson, W., Oton, E. V., Romero, M., Roberston, S. N., …Cámara, M. (2021). Design and Evaluation of New Quinazolin-4(3 H)-one Derived PqsR Antagonists as Quorum Sensing Quenchers in Pseudomonas aeruginosa. ACS Infectious Diseases, 7(9), 2666-2685. https://doi.org/10.1021/acsinfecdis.1c00175

P. aeruginosa (PA) continues to pose a threat to global public health due to its high levels of antimicrobial resistance (AMR). The ongoing AMR crisis has led to an alarming shortage of effective treatments for resistant microbes, and hence there is... Read More about Design and Evaluation of New Quinazolin-4(3 H)-one Derived PqsR Antagonists as Quorum Sensing Quenchers in Pseudomonas aeruginosa.

Disruption of the Pseudomonas aeruginosa Tat system perturbs PQS-dependent quorum sensing and biofilm maturation through lack of the Rieske cytochrome bc1sub-unit (2021)
Journal Article
Soh, E. Y., Smith, F., Gimenez, M. R., Yang, L., Vejborg, R. M., Fletcher, M., …Williams, P. (2021). Disruption of the Pseudomonas aeruginosa Tat system perturbs PQS-dependent quorum sensing and biofilm maturation through lack of the Rieske cytochrome bc1sub-unit. PLoS Pathogens, 17(8), Article e1009425. https://doi.org/10.1371/journal.ppat.1009425

Extracellular DNA (eDNA) is a major constituent of the extracellular matrix of Pseudomonas aeruginosa biofilms and its release is regulated via pseudomonas quinolone signal (PQS) dependent quorum sensing (QS). By screening a P. aeruginosa transposon... Read More about Disruption of the Pseudomonas aeruginosa Tat system perturbs PQS-dependent quorum sensing and biofilm maturation through lack of the Rieske cytochrome bc1sub-unit.

NirA Is an Alternative Nitrite Reductase from Pseudomonas aeruginosa with Potential as an Antivirulence Target (2021)
Journal Article
Fenn, S., Dubern, J., Cigana, C., De Simone, M., Lazenby, J., Juhas, M., …Cámara, M. (2021). NirA Is an Alternative Nitrite Reductase from Pseudomonas aeruginosa with Potential as an Antivirulence Target. mBio, 12(2), Article e00207-21. https://doi.org/10.1128/mbio.00207-21

The opportunistic pathogen Pseudomonas aeruginosa produces an arsenal of virulence factors causing a wide range of diseases in multiple hosts and is difficult to eradicate due to its intrinsic resistance to antibiotics. With the antibacterial pipelin... Read More about NirA Is an Alternative Nitrite Reductase from Pseudomonas aeruginosa with Potential as an Antivirulence Target.

Combining Inducible Lectin Expression and Magnetic Glyconanoparticles for the Selective Isolation of Bacteria from Mixed Populations (2021)
Journal Article
Petch, J. E., Gurnani, P., Yilmaz, G., Mastrotto, F., Alexander, C., Heeb, S., …Mantovani, G. (2021). Combining Inducible Lectin Expression and Magnetic Glyconanoparticles for the Selective Isolation of Bacteria from Mixed Populations. ACS Applied Materials and Interfaces, 13(16), 19230-19243. https://doi.org/10.1021/acsami.1c00907

The selective isolation of bacteria from mixed populations has been investigated in varied applications ranging from differential pathogen identification in medical diagnostics and food safety to the monitoring of microbial stress dynamics in industr... Read More about Combining Inducible Lectin Expression and Magnetic Glyconanoparticles for the Selective Isolation of Bacteria from Mixed Populations.

Genome-Wide Analysis of Targets for Post-Transcriptional Regulation by Rsm Proteins in Pseudomonas putida (2021)
Journal Article
Huertas-Rosales, Ó., Romero, M., Chan, K. G., Hong, K., Camara, M., Heeb, S., …Espinosa-Urgel, M. (2021). Genome-Wide Analysis of Targets for Post-Transcriptional Regulation by Rsm Proteins in Pseudomonas putida. Frontiers in Molecular Biosciences, 8, Article 624061. https://doi.org/10.3389/fmolb.2021.624061

© Copyright © 2021 Huertas-Rosales, Romero, Chan, Hong, Cámara, Heeb, Barrientos-Moreno, Molina-Henares, Travieso, Ramos-González and Espinosa-Urgel. Post-transcriptional regulation is an important step in the control of bacterial gene expression in... Read More about Genome-Wide Analysis of Targets for Post-Transcriptional Regulation by Rsm Proteins in Pseudomonas putida.

AhaP, A Quorum Quenching Acylase from Psychrobacter sp. M9-54-1 That Attenuates Pseudomonas aeruginosa and Vibrio coralliilyticus Virulence (2021)
Journal Article
Reina, J. C., Romero, M., Salto, R., Cámara, M., & Llamas, I. (2021). AhaP, A Quorum Quenching Acylase from Psychrobacter sp. M9-54-1 That Attenuates Pseudomonas aeruginosa and Vibrio coralliilyticus Virulence. Marine Drugs, 19(1), Article 16. https://doi.org/10.3390/md19010016

Although Psychrobacter strain M9-54-1 had been previously isolated from the microbiota of holothurians and shown to degrade quorum sensing (QS) signal molecules C6 and C10-homoserine lactone (HSL), little was known about the gene responsible for this... Read More about AhaP, A Quorum Quenching Acylase from Psychrobacter sp. M9-54-1 That Attenuates Pseudomonas aeruginosa and Vibrio coralliilyticus Virulence.

Model-Informed Drug Discovery and Development in Pulmonary Delivery: Biopharmaceutical Pharmacometric Modeling for Formulation Evaluation of Pulmonary Suspensions (2020)
Journal Article
Sou, T., Soukarieh, F., Williams, P., Stocks, M. J., Cámara, M., & Bergström, C. A. S. (2020). Model-Informed Drug Discovery and Development in Pulmonary Delivery: Biopharmaceutical Pharmacometric Modeling for Formulation Evaluation of Pulmonary Suspensions. ACS Omega, 5(40), 25733-25746. https://doi.org/10.1021/acsomega.0c03004

Copyright © 2020 American Chemical Society. For respiratory conditions, targeted drug delivery to the lungs could produce higher local concentrations with reduced risk of adverse events compared to systemic administration. Despite the increasing inte... Read More about Model-Informed Drug Discovery and Development in Pulmonary Delivery: Biopharmaceutical Pharmacometric Modeling for Formulation Evaluation of Pulmonary Suspensions.

Novel quinazolinone inhibitors of the Pseudomonas aeruginosa quorum sensing transcriptional regulator PqsR (2020)
Journal Article
Grossman, S., Soukarieh, F., Richardson, W., Liu, R., Mashabi, A., Emsley, J., …Stocks, M. J. (2020). Novel quinazolinone inhibitors of the Pseudomonas aeruginosa quorum sensing transcriptional regulator PqsR. European Journal of Medicinal Chemistry, 208, Article 112778. https://doi.org/10.1016/j.ejmech.2020.112778

© 2020 The Authors Rising numbers of cases of multidrug- and extensively drug-resistant Pseudomonas aeruginosa over recent years have created an urgent need for novel therapeutic approaches to cure potentially fatal infections. One such approach is v... Read More about Novel quinazolinone inhibitors of the Pseudomonas aeruginosa quorum sensing transcriptional regulator PqsR.

The impaired quorum sensing response of Pseudomonas aeruginosa MexAB-OprM efflux pump overexpressing mutants is not due to non-physiological efflux of 3-oxo-C12-HSL (2020)
Journal Article
Alcalde‐Rico, M., Olivares‐Pacheco, J., Halliday, N., Cámara, M., & Martínez, J. L. (2020). The impaired quorum sensing response of Pseudomonas aeruginosa MexAB-OprM efflux pump overexpressing mutants is not due to non-physiological efflux of 3-oxo-C12-HSL. Environmental Microbiology, 22(12), 5167-5188. https://doi.org/10.1111/1462-2920.15177

Multidrug (MDR) efflux pumps are ancient and conserved molecular machineries with relevant roles in different aspects of the bacterial physiology, besides antibiotic resistance. In the case of the environmental opportunistic pathogen Pseudomonas aeru... Read More about The impaired quorum sensing response of Pseudomonas aeruginosa MexAB-OprM efflux pump overexpressing mutants is not due to non-physiological efflux of 3-oxo-C12-HSL.

Hit Identification of New Potent PqsR Antagonists as Inhibitors of Quorum Sensing in Planktonic and Biofilm Grown Pseudomonas aeruginosa (2020)
Journal Article
Soukarieh, F., Liu, R., Romero, M., Roberston, S. N., Richardson, W., Lucanto, S., …Stocks, M. J. (2020). Hit Identification of New Potent PqsR Antagonists as Inhibitors of Quorum Sensing in Planktonic and Biofilm Grown Pseudomonas aeruginosa. Frontiers in Chemistry, 8, Article 204. https://doi.org/10.3389/fchem.2020.00204

© Copyright © 2020 Soukarieh, Liu, Romero, Roberston, Richardson, Lucanto, Oton, Qudus, Mashabi, Grossman, Ali, Sou, Kukavica-Ibrulj, Levesque, Bergström, Halliday, Mistry, Emsley, Heeb, Williams, Cámara and Stocks. Current treatments for Pseudomonas... Read More about Hit Identification of New Potent PqsR Antagonists as Inhibitors of Quorum Sensing in Planktonic and Biofilm Grown Pseudomonas aeruginosa.

Cross-kingdom signalling regulates spore germination in the moss Physcomitrella patens (2020)
Journal Article
Vesty, E. F., Whitbread, A. L., Needs, S., Tanko, W., Jones, K., Halliday, N., …Coates, J. C. (2020). Cross-kingdom signalling regulates spore germination in the moss Physcomitrella patens. Scientific Reports, 10(1), Article 2614. https://doi.org/10.1038/s41598-020-59467-5

Plants live in close association with microorganisms that can have beneficial or detrimental effects. The activity of bacteria in association with flowering plants has been extensively analysed. Bacteria use quorum-sensing as a way of monitoring thei... Read More about Cross-kingdom signalling regulates spore germination in the moss Physcomitrella patens.

Clinical significance of Pseudomonas aeruginosa 2-alkyl-4-quinolone quorum-sensing signal molecules for long-term outcomes in adults with cystic fibrosis (2019)
Journal Article
Webb, K., Fogarty, A., Barrett, D. A., Nash, E. F., Whitehouse, J. L., Smyth, A. R., …Cámara, M. (2019). Clinical significance of Pseudomonas aeruginosa 2-alkyl-4-quinolone quorum-sensing signal molecules for long-term outcomes in adults with cystic fibrosis. Journal of Medical Microbiology, 68(12), 1823-1828. https://doi.org/10.1099/jmm.0.001099

Introduction : Pseudomonas aeruginosa is an important respiratory pathogen in cystic fibrosis (CF), which is associated with an accelerated decline in lung function, frequent pulmonary exacerbations and increased mortality. P. aeruginosa produces in... Read More about Clinical significance of Pseudomonas aeruginosa 2-alkyl-4-quinolone quorum-sensing signal molecules for long-term outcomes in adults with cystic fibrosis.

Modulation of T regulatory and dendritic cell phenotypes following ingestion of Bifidobacterium longum, active hexose correlated compound (AHCC®) and azithromycin in healthy individuals (2019)
Journal Article
Chowdhury, A. H., Cámara, M., Verma, C., Eremin, O., Kulkarni, A. D., & Lobo, D. N. (2019). Modulation of T regulatory and dendritic cell phenotypes following ingestion of Bifidobacterium longum, active hexose correlated compound (AHCC®) and azithromycin in healthy individuals. Nutrients, 11(10), Article 2470. https://doi.org/10.3390/nu11102470

The probiotic Bifidus BB536 (BB536), which contains Bifidobacterium longum, has been shown to have enhanced probiotic effects when given together with a standardized extract of cultured Lentinula edodes mycelia (AHCC®, Amino Up Co. Ltd., Sapporo, Jap... Read More about Modulation of T regulatory and dendritic cell phenotypes following ingestion of Bifidobacterium longum, active hexose correlated compound (AHCC®) and azithromycin in healthy individuals.

Azospirillum brasilense Az39, a model rhizobacterium with AHL quorum quenching capacity (2019)
Journal Article
Gualpa, J., Lopez, G., Nievas, S., Coniglio, A., Halliday, N., Cámara, M., & Cassán, F. (2019). Azospirillum brasilense Az39, a model rhizobacterium with AHL quorum quenching capacity. Journal of Applied Microbiology, 126(6), 1850-1860. https://doi.org/10.1111/jam.14269

Aims The aim of this research was to analyze the Quorum sensing (QS) and Quorum quenching (QQ) mechanisms based on N‐acyl‐L‐homoserine lactones (AHLs) in A. brasilense Az39, a strain with remarkable capacity to benefit a wide range of crops under... Read More about Azospirillum brasilense Az39, a model rhizobacterium with AHL quorum quenching capacity.

Contribution of the alkylquinolone quorum sensing system to the interaction of Pseudomonas aeruginosa with bronchial epithelial cells. (2018)
Journal Article
Liu, Y., Hussain, F., Negm, O., Pavia, A., Halliday, N., Frédéric Dubern, J., …Martínez-Pomares, L. (2018). Contribution of the alkylquinolone quorum sensing system to the interaction of Pseudomonas aeruginosa with bronchial epithelial cells. Frontiers in Microbiology, 9, Article 3018. https://doi.org/10.3389/fmicb.2018.03018

Pseudomonas aeruginosa causes infections in patients with compromised epithelial 32 barrier function. Multiple virulence factors produced by P. aeruginosa are controlled 33 by quorum sensing (QS) via 2-alkyl-4(1H)-quinolone (AQ) signal molecules. Her... Read More about Contribution of the alkylquinolone quorum sensing system to the interaction of Pseudomonas aeruginosa with bronchial epithelial cells..

Role of the multidrug resistance efflux pump MexCD-OprJ in the Pseudomonas aeruginosa quorum sensing response (2018)
Journal Article
Alcalde-Rico, M., Olivares Pacheco, J. A., Alvarez-Ortega, C., Camara, M., & Martinez, J. L. (2018). Role of the multidrug resistance efflux pump MexCD-OprJ in the Pseudomonas aeruginosa quorum sensing response. Frontiers in Microbiology, 9, Article 2752. https://doi.org/10.3389/fmicb.2018.02752

Multidrug efflux pumps constitute a category of antibiotic resistance determinants that are a part of the core bacterial genomes. Given their conservation, it is conceivable that they present functions beyond the extrusion of antibiotics currently us... Read More about Role of the multidrug resistance efflux pump MexCD-OprJ in the Pseudomonas aeruginosa quorum sensing response.

IFN-γ and IL-17A differentially influence the response of human macrophages and neutrophils to Pseudomonas aeruginosa infection (2018)
Journal Article
Muntaka, S., Almuhanna, Y., Jackson, D., Singh, S., Afryie-Asante, A., Cámara, M., & Martínez-Pomares, L. (2019). IFN-γ and IL-17A differentially influence the response of human macrophages and neutrophils to Pseudomonas aeruginosa infection. Infection and Immunity, 87(2), https://doi.org/10.1128/iai.00814-18

Macrophages are important orchestrators of inflammation during bacterial infection acting both as effector cells and as regulators of neutrophil recruitment and life span. Differently activated macrophage populations with distinct inflammatory and mi... Read More about IFN-γ and IL-17A differentially influence the response of human macrophages and neutrophils to Pseudomonas aeruginosa infection.

Model-based drug development in pulmonary delivery: pharmacokinetic analysis of novel drug candidates for treatment of Pseudomonas aeruginosa lung infection (2018)
Journal Article
Sou, T., Kukavica-Ibrulj, I., Soukarieh, F., Halliday, N., Levesque, R. C., Williams, P., …Bergström, C. A. (2019). Model-based drug development in pulmonary delivery: pharmacokinetic analysis of novel drug candidates for treatment of Pseudomonas aeruginosa lung infection. Journal of Pharmaceutical Sciences, 108(1), 630-640. https://doi.org/10.1016/j.xphs.2018.09.017

Antibiotic resistance is a major public health threat worldwide. In particular, about 80% of cystic fibrosis patients have chronic Pseudomonas aeruginosa (PA) lung infection resistant to many current antibiotics. We are therefore developing a novel c... Read More about Model-based drug development in pulmonary delivery: pharmacokinetic analysis of novel drug candidates for treatment of Pseudomonas aeruginosa lung infection.

Quorum sensing in Pseudomonas savastanoi pv. savastanoi and Erwinia toletana: role in virulence and interspecies interactions in the olive knot (2018)
Journal Article
Caballo-Ponce, E., Meng, X., Uzelac, G., Halliday, N., Cámara, M., Licastro, D., …Venturi, V. (2018). Quorum sensing in Pseudomonas savastanoi pv. savastanoi and Erwinia toletana: role in virulence and interspecies interactions in the olive knot. Applied and Environmental Microbiology, 84(18), 1-18. https://doi.org/10.1128/AEM.00950-18

The olive-knot disease (Olea europea L.) is caused by the bacterium Pseudomonas savastanoi pv. savastanoi (PSV). PSV in the olive-knot undergoes interspecies interactions with the harmless endophyte Erwina toletana (ET); PSV and ET co-localize and fo... Read More about Quorum sensing in Pseudomonas savastanoi pv. savastanoi and Erwinia toletana: role in virulence and interspecies interactions in the olive knot.

Differential regulation of the phenazine biosynthetic operons by quorum sensing in Pseudomonas aeruginosa PAO1-N (2018)
Journal Article
Higgins, S., Heeb, S., Rampioni, G., Fletcher, M. P., Williams, P., & Cámara, M. (2018). Differential regulation of the phenazine biosynthetic operons by quorum sensing in Pseudomonas aeruginosa PAO1-N. Frontiers in Cellular and Infection Microbiology, 8, Article 252. https://doi.org/10.3389/fcimb.2018.00252

The Pseudomonas aeruginosa quorum sensing (QS) network plays a key role in the adaptation to environmental changes and the control of virulence factor production in this opportunistic human pathogen. Three interlinked QS systems, namely las, rhl, and... Read More about Differential regulation of the phenazine biosynthetic operons by quorum sensing in Pseudomonas aeruginosa PAO1-N.

Pseudomonas aeruginosa quorum sensing systems as drug discovery targets: current position and future perspectives (2018)
Journal Article
Soukarieh, F., Williams, P., Stocks, M. J., & Camara, M. (in press). Pseudomonas aeruginosa quorum sensing systems as drug discovery targets: current position and future perspectives. Journal of Medicinal Chemistry, https://doi.org/10.1021/acs.jmedchem.8b00540

Antimicrobial resistance (AMR) is a serious threat to public health globally, manifested by the frequent emergence of multi-drug resistant pathogens that render current chemotherapy inadequate. Health organizations worldwide have recognized the sever... Read More about Pseudomonas aeruginosa quorum sensing systems as drug discovery targets: current position and future perspectives.

Functional identification of the prnABCD operon and its regulation in Serratia plymuthica (2018)
Journal Article
Liu, X., Yu, X., Yang, Y., Heeb, S., Gao, S., Chan, K. G., …Gao, K. (in press). Functional identification of the prnABCD operon and its regulation in Serratia plymuthica. Applied Microbiology and Biotechnology, https://doi.org/10.1007/s00253-018-8857-0

The antibiotic pyrrolnitrin (PRN) is a tryptophan-derived secondary metabolite that plays an important role in the biocontrol of plant diseases due to its broad-spectrum of antimicrobial activities. The PRN biosynthetic gene cluster remains to be cha... Read More about Functional identification of the prnABCD operon and its regulation in Serratia plymuthica.

2-Tridecanone impacts surface-associated bacterial behaviours and hinders plant-bacteria interactions (2018)
Journal Article
López-Lara, I. M., Nogales, J., Pech-Canul, A., Calatrava-Morales, N., Bernabéu-Roda, L. M., Durán, P., …Soto, M. J. (2018). 2-Tridecanone impacts surface-associated bacterial behaviours and hinders plant-bacteria interactions. Environmental Microbiology, 20(6), 2049-2065. https://doi.org/10.1111/1462-2920.14083

Surface motility and biofilm formation are behaviours which enable bacteria to infect their hosts and are controlled by different chemical signals. In the plant symbiotic alpha‐proteobacterium Sinorhizobium meliloti, the lack of long‐chain fatty acyl... Read More about 2-Tridecanone impacts surface-associated bacterial behaviours and hinders plant-bacteria interactions.

In Silico and in Vitro-Guided Identification of Inhibitors of Alkylquinolone-Dependent Quorum Sensing in Pseudomonas aeruginosa (2018)
Journal Article
Soukarieh, F., Vico Oton, E., Dubern, J., Gomes, J., Halliday, N., de Pilar Crespo, M., …Cámara, M. (2018). In Silico and in Vitro-Guided Identification of Inhibitors of Alkylquinolone-Dependent Quorum Sensing in Pseudomonas aeruginosa. Molecules, 23(2), 1-15. https://doi.org/10.3390/molecules23020257

Pseudomonas aeruginosa is a major opportunistic pathogen in cystic fibrosis, wound and nosocomial infections, posing a serious burden to public health, due to its antibiotic resistance. The P. aeruginosa Pseudomonas Quinolone System (pqs) quorum sens... Read More about In Silico and in Vitro-Guided Identification of Inhibitors of Alkylquinolone-Dependent Quorum Sensing in Pseudomonas aeruginosa.

Genome-wide mapping of the RNA targets of the Pseudomonas aeruginosa riboregulatory protein RsmN (2018)
Journal Article
Romero, M., Silistre, H., Lovelock, L., Wright, V. J., Kok, G., Kar-Wai, H., …Heeb, S. (2018). Genome-wide mapping of the RNA targets of the Pseudomonas aeruginosa riboregulatory protein RsmN. Nucleic Acids Research, 46(13), 6823-6840. https://doi.org/10.1093/nar/gky324

Pseudomonads typically carry multiple non-identical alleles of the post-transcriptional regulator rsmA. In P. aeruginosa, RsmN is notable in that its structural rearrangement confers distinct and overlapping functions with RsmA. However, little is k... Read More about Genome-wide mapping of the RNA targets of the Pseudomonas aeruginosa riboregulatory protein RsmN.

Weight gain during acute treatment of an initial pulmonary exacerbation is associated with a longer interval to the next exacerbation in adults with cystic fibrosis (2017)
Journal Article
Barr, H. L., Cámara, M., Barrett, D., Williams, P., Forrester, D., Smyth, A., …Fogarty, A. W. (in press). Weight gain during acute treatment of an initial pulmonary exacerbation is associated with a longer interval to the next exacerbation in adults with cystic fibrosis. ERJ Open Research, 3(3), https://doi.org/10.1183/23120541.00057-2017

The Pseudomonas putida CsrA/RsmA homologues negatively affect c-di-GMP pools and biofilm formation through the GGDEF/EAL response regulator CfcR (2017)
Journal Article
Huertas-Rosales, Ó., Romero, M., Heeb, S., Espinosa-Urgel, M., Cámara, M., & Ramos-González, M. I. (in press). The Pseudomonas putida CsrA/RsmA homologues negatively affect c-di-GMP pools and biofilm formation through the GGDEF/EAL response regulator CfcR. Environmental Microbiology, 19(9), https://doi.org/10.1111/1462-2920.13848

Expression of cfcR, encoding the only GGDEF/EAL response regulator in Pseudomonas putida, is transcriptionally regulated by RpoS, ANR and FleQ, and the functionality of CfcR as a diguanylate cyclase requires the multisensor CHASE3/GAF hybrid histidin... Read More about The Pseudomonas putida CsrA/RsmA homologues negatively affect c-di-GMP pools and biofilm formation through the GGDEF/EAL response regulator CfcR.

Negative regulation of violacein biosynthesis in Chromobacterium violaceum (2017)
Journal Article
Devescovi, G., Kojic, M., Covaceuszach, S., Cámara, M., Williams, P., Bertani, I., …Venturi, V. (in press). Negative regulation of violacein biosynthesis in Chromobacterium violaceum. Frontiers in Microbiology, 8, Article 349. https://doi.org/10.3389/fmicb.2017.00349

In Chromobacteium violaceum, the purple pigment violacein is under positive regulation by the N-acylhomoserine lactone CviI/R quorum sensing system and negative regulation by an uncharacterized putative repressor. In this study we report that the bio... Read More about Negative regulation of violacein biosynthesis in Chromobacterium violaceum.

The DSF family of quorum sensing signals: diversity, biosynthesis, and turnover (2016)
Journal Article
Zhou, L., Zhang, L., Cámara, M., & He, Y. (2017). The DSF family of quorum sensing signals: diversity, biosynthesis, and turnover. Trends in Microbiology, 25(4), https://doi.org/10.1016/j.tim.2016.11.013

The diffusible signaling factor (DSF)-based quorum sensing (QS) system has emerged as a widely conserved cell–cell communication mechanism in Gram-negative bacteria. Typically, signals from the DSF family are cis-2-unsaturated fatty acids which regul... Read More about The DSF family of quorum sensing signals: diversity, biosynthesis, and turnover.

Unravelling the Genome-Wide Contributions of Specific 2-Alkyl-4-Quinolones and PqsE to Quorum Sensing in Pseudomonas aeruginosa (2016)
Journal Article
Rampioni, G., Falcone, M., Heeb, S., Frangipani, E., Fletcher, M. P., Dubern, J., …Williams, P. (2016). Unravelling the Genome-Wide Contributions of Specific 2-Alkyl-4-Quinolones and PqsE to Quorum Sensing in Pseudomonas aeruginosa. PLoS Pathogens, 12(11), e1006029. https://doi.org/10.1371/journal.ppat.1006029

The pqs quorum sensing (QS) system is crucial for Pseudomonas aeruginosa virulence both in vitro and in animal models of infection and is considered an ideal target for the development of anti-virulence agents. However, the precise role played by eac... Read More about Unravelling the Genome-Wide Contributions of Specific 2-Alkyl-4-Quinolones and PqsE to Quorum Sensing in Pseudomonas aeruginosa.

Diagnostic and prognostic significance of systemic alkyl quinolones for P. aeruginosa in cystic fibrosis: a longitudinal study (2016)
Journal Article
Barr, H. L., Halliday, N., Barrett, D. A., Williams, P., Forrester, D. L., Peckham, D., …Fogarty, A. W. (2017). Diagnostic and prognostic significance of systemic alkyl quinolones for P. aeruginosa in cystic fibrosis: a longitudinal study. Journal of Cystic Fibrosis, 16(2), 230-238. https://doi.org/10.1016/j.jcf.2016.10.005

Background Pulmonary P. aeruginosa infection is associated with poor outcomes in cystic fibrosis (CF) and early diagnosis is challenging, particularly in those who are unable to expectorate sputum. Specific P. aeruginosa 2-alkyl-4-quinolones are det... Read More about Diagnostic and prognostic significance of systemic alkyl quinolones for P. aeruginosa in cystic fibrosis: a longitudinal study.

Cystic Fibrosis isolates of Pseudomonas aeruginosa retain iron-regulated antimicrobial activity against Staphylococcus aureus through the action of multiple alkylquinolones (2016)
Journal Article
Nguyen, A. T., Jones, J. W., Cámara, M., Williams, P., Kane, M. A., & Oglesby-Sherrouse, A. G. (2016). Cystic Fibrosis isolates of Pseudomonas aeruginosa retain iron-regulated antimicrobial activity against Staphylococcus aureus through the action of multiple alkylquinolones. Frontiers in Microbiology, 7, https://doi.org/10.3389/fmicb.2016.01171

Cystic fibrosis (CF) is a hereditary disease that predisposes individuals to pulmonary dysfunction and chronic infections. Early infection of the CF lung with Staphylococcus aureus is common, while Pseudomonas aeruginosa becomes dominant as disease p... Read More about Cystic Fibrosis isolates of Pseudomonas aeruginosa retain iron-regulated antimicrobial activity against Staphylococcus aureus through the action of multiple alkylquinolones.

Immune dysfunction in patients with obstructive jaundice before and after endoscopic retrograde cholangiopancreatography (2016)
Journal Article
Chowdhury, A. H., Camara, M., Martinez-Pomares, L., Zaitoun, A. M., Eremin, O., Aithal, G. P., & Lobo, D. (2016). Immune dysfunction in patients with obstructive jaundice before and after endoscopic retrograde cholangiopancreatography. Clinical Science, 130(17), 1535-1544. https://doi.org/10.1042/CS20160326

© 2016 The Author(s). This prospective observational study investigated monocyte cytokine responses to lipopolysaccharide (LPS) in patients with obstructive jaundice (OJ) before and after endoscopic biliary drainage. Dendritic cell (DC) subsets and t... Read More about Immune dysfunction in patients with obstructive jaundice before and after endoscopic retrograde cholangiopancreatography.

RpoS differentially affects the general stress response and biofilm formation in the endophytic Serratia plymuthica G3 (2015)
Journal Article
Liu, X., Wu, Y., Chen, Y., Xu, F., Halliday, N., Gao, K., …Camara Garcia, M. (2016). RpoS differentially affects the general stress response and biofilm formation in the endophytic Serratia plymuthica G3. Research in Microbiology, 167(3), 168-177. https://doi.org/10.1016/j.resmic.2015.11.003

The ?S subunit RpoS of RNA polymerase functions as a master regulator of the general stress response in Escherichia coli and related bacteria. RpoS has been reported to modulate biocontrol properties in the rhizobacterium Serratia plymuthica IC1270.... Read More about RpoS differentially affects the general stress response and biofilm formation in the endophytic Serratia plymuthica G3.

Integrated whole-genome screening for Pseudomonas aeruginosa virulence genes using multiple disease models reveals that pathogenicity is host specific (2015)
Journal Article
Dubern, J., Cigana, C., De Simone, M., Lazenby, J., Juhas, M., Schwager, S., …Camara Garcia, M. (2015). Integrated whole-genome screening for Pseudomonas aeruginosa virulence genes using multiple disease models reveals that pathogenicity is host specific. Environmental Microbiology, 17(11), 4379-4393. https://doi.org/10.1111/1462-2920.12863

Synthesis and cell-free cloning of DNA libraries using programmable microfluidics (2015)
Journal Article
Ben Yehezkel, T., Rival, A., Raz, O., Cohen, R., Marx, Z., Cámara, M., …Shapiro, E. (2016). Synthesis and cell-free cloning of DNA libraries using programmable microfluidics. Nucleic Acids Research, 44(4), e35. https://doi.org/10.1093/nar/gkv1087

Microfluidics may revolutionize our ability to write synthetic DNA by addressing several fundamental limitations associated with generating novel genetic constructs. Here we report the first de novo synthesis and cell-free cloning of custom DNA libra... Read More about Synthesis and cell-free cloning of DNA libraries using programmable microfluidics.

Clinical utilization of genomics data produced by the international Pseudomonas aeruginosa consortium (2015)
Journal Article
Freschi, L., Jeukens, J., Kukavica-Ibrulj, I., Boyle, B., Dupont, M., Laroche, J., …Levesque, R. C. (in press). Clinical utilization of genomics data produced by the international Pseudomonas aeruginosa consortium. Frontiers in Microbiology, 6(1036), https://doi.org/10.3389/fmicb.2015.01036

The International Pseudomonas aeruginosa Consortium is sequencing over 1000 genomes and building an analysis pipeline for the study of Pseudomonas genome evolution, antibiotic resistance and virulence genes. Metadata, including genomic and phenotypic... Read More about Clinical utilization of genomics data produced by the international Pseudomonas aeruginosa consortium.

Biotic inactivation of the Pseudomonas aeruginosa quinolone signal molecule (2015)
Journal Article
Soh, E. Y., Chhabra, S. R., Halliday, N., Heeb, S., Müller, C., Birmes, F. S., …Williams, P. (2015). Biotic inactivation of the Pseudomonas aeruginosa quinolone signal molecule. Environmental Microbiology, 17(11), https://doi.org/10.1111/1462-2920.12857

In Pseudomonas aeruginosa, quorum sensing (QS) regulates the production of secondary metabolites, many of which are antimicrobials that impact on polymicrobial community composition. Consequently, quenching QS modulates the environmental impact of P.... Read More about Biotic inactivation of the Pseudomonas aeruginosa quinolone signal molecule.

Granulocyte-macrophage colony stimulatory factor enhances the pro-inflammatory response of interferon-?-treated macrophages to pseudomonas aeruginosa infection (2015)
Journal Article
Singh, S., Barr, H. L., Liu, Y., Robins, A., Heeb, S., Williams, P., …Martinez-Pomares, L. (2015). Granulocyte-macrophage colony stimulatory factor enhances the pro-inflammatory response of interferon-γ-treated macrophages to pseudomonas aeruginosa infection. PLoS ONE, 10(2), Article e0117447. https://doi.org/10.1371/journal.pone.0117447

Pseudomonas aeruginosa is an opportunistic pathogen that can cause severe infections at compromised epithelial surfaces, such those found in burns, wounds, and in lungs damaged by mechanical ventilation or recurrent infections, particularly in cystic... Read More about Granulocyte-macrophage colony stimulatory factor enhances the pro-inflammatory response of interferon-?-treated macrophages to pseudomonas aeruginosa infection.

Plant-influenced gene expression in the rice endophyte Burkholderia kururiensis M130 (2015)
Journal Article
Coutinho, B. G., Licastro, D., Mendonça-Previato, L., Cámara, M., & Venturi, V. (2015). Plant-influenced gene expression in the rice endophyte Burkholderia kururiensis M130. Molecular Plant-Microbe Interactions, 28(1), 10-21. https://doi.org/10.1094/MPMI-07-14-0225-R

Burkholderia kururiensis M130 is one of the few rice endophytic diazotrophic bacteria identified thus far which is able to enhance growth of rice. To date, very little is known of how strain M130 and other endophytes enter and colonize plants. Here,... Read More about Plant-influenced gene expression in the rice endophyte Burkholderia kururiensis M130.

Pseudomonas aeruginosa quorum sensing molecules correlate with clinical status in cystic fibrosis (2015)
Journal Article
Barr, H. L., Halliday, N., Cámara, M., Barrett, D. A., Williams, P., Forrester, D. L., …Fogarty, A. W. (2015). Pseudomonas aeruginosa quorum sensing molecules correlate with clinical status in cystic fibrosis. European Respiratory Journal, 46(4), 1046-1054. https://doi.org/10.1183/09031936.00225214

Copyright © ERS 2015. Pseudomonas aeruginosa produces quorum sensing signal molecules that are potential biomarkers for infection. A prospective study of 60 cystic fibrosis patients with chronic P. aeruginosa, who required intravenous antibiotics for... Read More about Pseudomonas aeruginosa quorum sensing molecules correlate with clinical status in cystic fibrosis.

Genome-wide evaluation of the interplay between Caenorhabditis elegans and Yersinia pseudotuberculosis during in vivo biofilm formation. (2014)
Journal Article
Joshua, G. W., Atkinson, S., Goldstone, R. J., Patrick, H. L., Stabler, R. A., Purves, J., …Wren, B. W. (2015). Genome-wide evaluation of the interplay between Caenorhabditis elegans and Yersinia pseudotuberculosis during in vivo biofilm formation. Infection and Immunity, 83(1), Article 17. https://doi.org/10.1128/IAI.00110-14

The formation of an incapacitating biofilm on Caenorhabditis elegans by Yersinia pseudotuberculosis represents a tractable model for investigating the genetic basis for host-pathogen interplay during the biofilm-mediated infection of a living surface... Read More about Genome-wide evaluation of the interplay between Caenorhabditis elegans and Yersinia pseudotuberculosis during in vivo biofilm formation..

LC-MS/MS Quantitative Analysis of Quorum Sensing Signal Molecules (2014)
Book Chapter
Ortori, C. A., Ortori, C., Halliday, N., Cámara, M., Williams, P., & Barrett, D. A. (2014). LC-MS/MS Quantitative Analysis of Quorum Sensing Signal Molecules. In A. Filloux, & J. Ramos (Eds.), Pseudomonas Methods and Protocols (255-270). Springer. https://doi.org/10.1007/978-1-4939-0473-0_21

© Springer Science+Business Media New York 2014. Extracts taken from spent growth media from Pseudomonas aeruginosa can be analyzed for N -acyl- L - homoserine lactones and 2-alkyl-4-(1 H)-quinolones (AQs), including the known quorum sensing signalli... Read More about LC-MS/MS Quantitative Analysis of Quorum Sensing Signal Molecules.

Interference with the germination and growth of Ulva zoospores by quorum-sensing molecules from Ulva-associated epiphytic bacteria (2013)
Journal Article
Twigg, M. S., Tait, K., Williams, P., Atkinson, S., & Cámara, M. (2014). Interference with the germination and growth of Ulva zoospores by quorum-sensing molecules from Ulva-associated epiphytic bacteria. Environmental Microbiology, 16(2), 445-453. https://doi.org/10.1111/1462-2920.12203

Ulva zoospores preferentially settle on N?acylhomoserine lactone (AHL) producing marine bacterial biofilms. To investigate whether AHL signal molecules also affect the success and rate of zoospore germination in addition to zoospore attraction, the e... Read More about Interference with the germination and growth of Ulva zoospores by quorum-sensing molecules from Ulva-associated epiphytic bacteria.

Garlic as an inhibitor of pseudomonas aeruginosa quorum sensing in cystic fibrosis - A pilot randomized controlled trial (2010)
Journal Article
Smyth, A. R., Cifelli, P. M., Ortori, C. A., Righetti, K., Lewis, S., Erskine, P., …Knox, A. (2010). Garlic as an inhibitor of pseudomonas aeruginosa quorum sensing in cystic fibrosis - A pilot randomized controlled trial. Pediatric Pulmonology, 45(4), 356-362. https://doi.org/10.1002/ppul.21193

Pseudomonas aeruginosa forms biofilms in the cystic fibrosis lung. Quorum sensing (QS) controls biofilm maturation, immune evasion, antibiotic tolerance and virulence factor production. Garlic shows QS inhibitory activity in vitro and in animal model... Read More about Garlic as an inhibitor of pseudomonas aeruginosa quorum sensing in cystic fibrosis - A pilot randomized controlled trial.