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Chautrand T, Depayras S, Souak D, Bouteiller M, Kondakova T, Barreau M, Ben Mlouka MA, Hardouin J, Konto-Ghiorghi Y, Chevalier S, Merieau A, Orange N, Duclairoir-Poc C. Detoxification Response of Pseudomonas fluorescens MFAF76a to Gaseous Pollutants NO 2 and NO. Microorganisms 2022; 10:microorganisms10081576. [PMID: 36013994 PMCID: PMC9414441 DOI: 10.3390/microorganisms10081576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/25/2022] [Accepted: 07/29/2022] [Indexed: 11/16/2022] Open
Abstract
Bacteria are often exposed to nitrosative stress from their environment, from atmospheric pollution or from the defense mechanisms of other organisms. Reactive nitrogen species (RNS), which mediate nitrosative stress, are notably involved in the mammalian immune response through the production of nitric oxide (NO) by the inducible NO synthase iNOS. RNS are highly reactive and can alter various biomolecules such as lipids, proteins and DNA, making them toxic for biological organisms. Resistance to RNS is therefore important for the survival of bacteria in various environments, and notably to successfully infect their host. The fuel combustion processes used in industries and transports are responsible for the emission of important quantities of two major RNS, NO and the more toxic nitrogen dioxide (NO2). Human exposure to NO2 is notably linked to increases in lung infections. While the response of bacteria to NO in liquid medium is well-studied, few data are available on their exposure to gaseous NO and NO2. This study showed that NO2 is much more toxic than NO at similar concentrations for the airborne bacterial strain Pseudomonas fluorescens MFAF76a. The response to NO2 involves a wide array of effectors, while the response to NO seemingly focuses on the Hmp flavohemoprotein. Results showed that NO2 induces the production of other RNS, unlike NO, which could explain the differences between the effects of these two molecules.
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Affiliation(s)
- Thibault Chautrand
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), University of Rouen Normandy, 55 Rue Saint-Germain, 27000 Evreux, France
| | - Ségolène Depayras
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), University of Rouen Normandy, 55 Rue Saint-Germain, 27000 Evreux, France
- Praxens, Normandy Health Security Center, 55 Rue Saint-Germain, 27000 Evreux, France
| | - Djouhar Souak
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), University of Rouen Normandy, 55 Rue Saint-Germain, 27000 Evreux, France
| | - Mathilde Bouteiller
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), University of Rouen Normandy, 55 Rue Saint-Germain, 27000 Evreux, France
| | - Tatiana Kondakova
- LPS-BIOSCIENCES SAS, Domaine de l’Université Paris Sud, Bâtiment 430, Université Paris Saclay, 91400 Orsay, France
| | - Magalie Barreau
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), University of Rouen Normandy, 55 Rue Saint-Germain, 27000 Evreux, France
| | - Mohamed Amine Ben Mlouka
- Polymers, Biopolymers, Surface Laboratory, University of Rouen Normandy, INSA, CNRS, Bâtiment DULONG—Bd Maurice de Broglie, CEDEX, F-76821 Mont-Saint-Aignan, France
- PISSARO Proteomic Facility, IRIB, F-76820 Mont-Saint-Aignan, France
| | - Julie Hardouin
- Polymers, Biopolymers, Surface Laboratory, University of Rouen Normandy, INSA, CNRS, Bâtiment DULONG—Bd Maurice de Broglie, CEDEX, F-76821 Mont-Saint-Aignan, France
- PISSARO Proteomic Facility, IRIB, F-76820 Mont-Saint-Aignan, France
| | - Yoan Konto-Ghiorghi
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), University of Rouen Normandy, 55 Rue Saint-Germain, 27000 Evreux, France
| | - Sylvie Chevalier
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), University of Rouen Normandy, 55 Rue Saint-Germain, 27000 Evreux, France
| | - Annabelle Merieau
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), University of Rouen Normandy, 55 Rue Saint-Germain, 27000 Evreux, France
| | - Nicole Orange
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), University of Rouen Normandy, 55 Rue Saint-Germain, 27000 Evreux, France
| | - Cécile Duclairoir-Poc
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), University of Rouen Normandy, 55 Rue Saint-Germain, 27000 Evreux, France
- Correspondence:
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Chautrand T, Depayras S, Souak D, Kondakova T, Barreau M, Kentache T, Hardouin J, Tahrioui A, Thoumire O, Konto-Ghiorghi Y, Barbey C, Ladam G, Chevalier S, Heipieper HJ, Orange N, Duclairoir-Poc C. Gaseous NO 2 induces various envelope alterations in Pseudomonas fluorescens MFAF76a. Sci Rep 2022; 12:8528. [PMID: 35595726 PMCID: PMC9122911 DOI: 10.1038/s41598-022-11606-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 04/12/2022] [Indexed: 12/20/2022] Open
Abstract
Anthropogenic atmospheric pollution and immune response regularly expose bacteria to toxic nitrogen oxides such as NO• and NO2. These reactive molecules can damage a wide variety of biomolecules such as DNA, proteins and lipids. Several components of the bacterial envelope are susceptible to be damaged by reactive nitrogen species. Furthermore, the hydrophobic core of the membranes favors the reactivity of nitrogen oxides with other molecules, making membranes an important factor in the chemistry of nitrosative stress. Since bacteria are often exposed to endogenous or exogenous nitrogen oxides, they have acquired protection mechanisms against the deleterious effects of these molecules. By exposing bacteria to gaseous NO2, this work aims to analyze the physiological effects of NO2 on the cell envelope of the airborne bacterium Pseudomonas fluorescens MFAF76a and its potential adaptive responses. Electron microscopy showed that exposure to NO2 leads to morphological alterations of the cell envelope. Furthermore, the proteomic profiling data revealed that these cell envelope alterations might be partly explained by modifications of the synthesis pathways of multiple cell envelope components, such as peptidoglycan, lipid A, and phospholipids. Together these results provide important insights into the potential adaptive responses to NO2 exposure in P. fluorescens MFAF76a needing further investigations.
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Affiliation(s)
- Thibault Chautrand
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), Normandy University, Univeristy of Rouen Normandy, 55 rue Saint-Germain, 27000, Evreux, France
| | - Ségolène Depayras
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), Normandy University, Univeristy of Rouen Normandy, 55 rue Saint-Germain, 27000, Evreux, France.,Praxens, Normandy Health Security Center, 55 rue Saint-Germain, 27000, Evreux, France
| | - Djouhar Souak
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), Normandy University, Univeristy of Rouen Normandy, 55 rue Saint-Germain, 27000, Evreux, France
| | - Tatiana Kondakova
- LPS-BIOSCIENCES SAS, Domaine de l'Université Paris Sud, Bâtiment 430, Université Paris Saclay, 91400, Orsay, France
| | - Magalie Barreau
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), Normandy University, Univeristy of Rouen Normandy, 55 rue Saint-Germain, 27000, Evreux, France
| | - Takfarinas Kentache
- Polymers, Biopolymers, Surface Laboratory, Normandy University, University of Rouen Normandy, INSA Rouen, CNRS, Bâtiment DULONG - Bd Maurice de Broglie, 76821, Mont Saint Aignan Cedex, France.,PISSARO Proteomic Facility, IRIB, 76820, Mont-Saint-Aignan, France
| | - Julie Hardouin
- Polymers, Biopolymers, Surface Laboratory, Normandy University, University of Rouen Normandy, INSA Rouen, CNRS, Bâtiment DULONG - Bd Maurice de Broglie, 76821, Mont Saint Aignan Cedex, France.,PISSARO Proteomic Facility, IRIB, 76820, Mont-Saint-Aignan, France
| | - Ali Tahrioui
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), Normandy University, Univeristy of Rouen Normandy, 55 rue Saint-Germain, 27000, Evreux, France
| | - Olivier Thoumire
- Polymers, Biopolymers, Surface Laboratory, Normandy University, University of Rouen Normandy, INSA Rouen, CNRS, 55 rue Saint-Germain, 27000, Evreux, France
| | - Yoan Konto-Ghiorghi
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), Normandy University, Univeristy of Rouen Normandy, 55 rue Saint-Germain, 27000, Evreux, France
| | - Corinne Barbey
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), Normandy University, Univeristy of Rouen Normandy, 55 rue Saint-Germain, 27000, Evreux, France
| | - Guy Ladam
- Polymers, Biopolymers, Surface Laboratory, Normandy University, University of Rouen Normandy, INSA Rouen, CNRS, 55 rue Saint-Germain, 27000, Evreux, France
| | - Sylvie Chevalier
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), Normandy University, Univeristy of Rouen Normandy, 55 rue Saint-Germain, 27000, Evreux, France
| | - Hermann J Heipieper
- Department of Environmental Biotechnology, Helmholtz Centre for Environmental Research - UFZ, Permoserstraße 15, 04318, Leipzig, Germany
| | - Nicole Orange
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), Normandy University, Univeristy of Rouen Normandy, 55 rue Saint-Germain, 27000, Evreux, France
| | - Cécile Duclairoir-Poc
- Research Unit Bacterial Communication and Anti-Infectious Strategies (UR CBSA), Normandy University, Univeristy of Rouen Normandy, 55 rue Saint-Germain, 27000, Evreux, France.
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Šantl-Temkiv T, Amato P, Casamayor EO, Lee PKH, Pointing SB. OUP accepted manuscript. FEMS Microbiol Rev 2022; 46:6524182. [PMID: 35137064 PMCID: PMC9249623 DOI: 10.1093/femsre/fuac009] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 01/31/2022] [Accepted: 02/06/2022] [Indexed: 11/30/2022] Open
Abstract
The atmosphere connects habitats across multiple spatial scales via airborne dispersal of microbial cells, propagules and biomolecules. Atmospheric microorganisms have been implicated in a variety of biochemical and biophysical transformations. Here, we review ecological aspects of airborne microorganisms with respect to their dispersal, activity and contribution to climatic processes. Latest studies utilizing metagenomic approaches demonstrate that airborne microbial communities exhibit pronounced biogeography, driven by a combination of biotic and abiotic factors. We quantify distributions and fluxes of microbial cells between surface habitats and the atmosphere and place special emphasis on long-range pathogen dispersal. Recent advances have established that these processes may be relevant for macroecological outcomes in terrestrial and marine habitats. We evaluate the potential biological transformation of atmospheric volatile organic compounds and other substrates by airborne microorganisms and discuss clouds as hotspots of microbial metabolic activity in the atmosphere. Furthermore, we emphasize the role of microorganisms as ice nucleating particles and their relevance for the water cycle via formation of clouds and precipitation. Finally, potential impacts of anthropogenic forcing on the natural atmospheric microbiota via emission of particulate matter, greenhouse gases and microorganisms are discussed.
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Affiliation(s)
- Tina Šantl-Temkiv
- Department of Biology, Aarhus University, DK-8000 Aarhus, Denmark
- Stellar Astrophysics Centre, Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus, Denmark
| | - Pierre Amato
- Institut de Chimie de Clermont-Ferrand, SIGMA Clermont, CNRS, Université Clermont Auvergne, 63178, Clermont-Ferrand, France
| | - Emilio O Casamayor
- Centre for Advanced Studies of Blanes, Spanish Council for Research (CSIC), 17300, Blanes, Spain
| | - Patrick K H Lee
- School of Energy and Environment, City University of Hong Kong, Hong Kong, China
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong, China
| | - Stephen B Pointing
- Corresponding author: Yale-NUS College, National University of Singapore, 16 College Avenue West, Singapore 138527. Tel: +65 6601 1000; E-mail:
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Janvier X, Alexandre S, Boukerb AM, Souak D, Maillot O, Barreau M, Gouriou F, Grillon C, Feuilloley MGJ, Groboillot A. Deleterious Effects of an Air Pollutant (NO 2) on a Selection of Commensal Skin Bacterial Strains, Potential Contributor to Dysbiosis? Front Microbiol 2020; 11:591839. [PMID: 33363523 PMCID: PMC7752777 DOI: 10.3389/fmicb.2020.591839] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 11/17/2020] [Indexed: 11/13/2022] Open
Abstract
The skin constitutes with its microbiota the first line of body defense against exogenous stress including air pollution. Especially in urban or sub-urban areas, it is continuously exposed to many environmental pollutants including gaseous nitrogen dioxide (gNO2). Nowadays, it is well established that air pollution has major effects on the human skin, inducing various diseases often associated with microbial dysbiosis. However, very few is known about the impact of pollutants on skin microbiota. In this study, a new approach was adopted, by considering the alteration of the cutaneous microbiota by air pollutants as an indirect action of the harmful molecules on the skin. The effects of gNO2 on this bacterial skin microbiota was investigated using a device developed to mimic the real-life contact of the gNO2 with bacteria on the surface of the skin. Five strains of human skin commensal bacteria were considered, namely Staphylococcus aureus MFP03, Staphylococcus epidermidis MFP04, Staphylococcus capitis MFP08, Pseudomonas fluorescens MFP05, and Corynebacterium tuberculostearicum CIP102622. Bacteria were exposed to high concentration of gNO2 (10 or 80 ppm) over a short period of 2 h inside the gas exposure device. The physiological, morphological, and molecular responses of the bacteria after the gas exposure were assessed and compared between the different strains and the two gNO2 concentrations. A highly significant deleterious effect of gNO2 was highlighted, particularly for S. capitis MFP08 and C. tuberculostearicum CIP102622, while S. aureus MFP03 seems to be the less sensitive strain. It appeared that the impact of this nitrosative stress differs according to the bacterial species and the gNO2 concentration. Thus the exposition to gNO2 as an air pollutant could contribute to dysbiosis, which would affect skin homeostasis. The response of the microbiota to the nitrosative stress could be involved in some pathologies such as atopic dermatitis.
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Affiliation(s)
- Xavier Janvier
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312, University of Rouen-Normandy, Normandy-University, Evreux, France
| | - Stéphane Alexandre
- Laboratory of Polymers, Biopolymers and Surfaces UMR CNRS 6270, University of Rouen-Normandy, Normandy-University, Mont-Saint-Aignan, France
| | - Amine M Boukerb
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312, University of Rouen-Normandy, Normandy-University, Evreux, France
| | - Djouhar Souak
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312, University of Rouen-Normandy, Normandy-University, Evreux, France
| | - Olivier Maillot
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312, University of Rouen-Normandy, Normandy-University, Evreux, France
| | - Magalie Barreau
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312, University of Rouen-Normandy, Normandy-University, Evreux, France
| | - Frantz Gouriou
- Aerothermic and Internal Combustion Engine Technological Research Center, Saint-Etienne-du-Rouvray, France
| | | | - Marc G J Feuilloley
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312, University of Rouen-Normandy, Normandy-University, Evreux, France
| | - Anne Groboillot
- Laboratory of Microbiology Signals and Microenvironment LMSM EA 4312, University of Rouen-Normandy, Normandy-University, Evreux, France
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Oh S, Liu YB. Effectiveness of Nitrogen Dioxide Fumigation for Microbial Control on Stored Almonds. J Food Prot 2020; 83:599-604. [PMID: 32221563 DOI: 10.4315/0362-028x.jfp-19-281] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 12/02/2019] [Indexed: 11/11/2022]
Abstract
ABSTRACT Quality of stored almonds is compromised by insect infestations and microbial contamination. Nitric oxide (NO) is a potent fumigant for postharvest pest control on fresh and stored products. NO fumigation must be conducted under ultralow oxygen conditions, and it always produces nitrogen dioxide (NO2), depending on the O2 level in the fumigation chamber. NO and NO2 have proven antimicrobial effects but have not been tested for efficacy against microbes in almonds. We evaluated, in this study, fumigation of unpasteurized almonds with NO2 at different levels for inhibition of bacteria and fungi. Almonds were fumigated with 0.1, 0.3, or 1.0% NO under ambient O2 to generate 0.1, 0.3, or 1.0% NO2 conditions; the fumigation treatments lasted 1 or 3 days at 25°C. GreenLight rapid enumeration tests on diluted wash-off almond samples from NO2 fumigation treatments showed either greatly reduced microbial loads or complete control of microorganisms, depending on NO2 concentration and treatment duration. NO2 fumigation was more effective against fungi than against bacteria. These results suggest that postharvest NO fumigation with proper levels of NO and NO2 can be used for insect and microorganism control on stored almonds. HIGHLIGHTS
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Affiliation(s)
- Sookyung Oh
- Department of Plant Sciences, University of California Davis, Salinas, California 93905
| | - Yong-Biao Liu
- U.S. Department of Agriculture, Agricultural Research Service, Crop Improvement and Protection Unit, 1636 East Alisal Street, Salinas, California 93905, USA
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Abstract
Flavohaemoglobins were first described in yeast as early as the 1970s but their functions were unclear. The surge in interest in nitric oxide biology and both serendipitous and hypothesis-driven discoveries in bacterial systems have transformed our understanding of this unusual two-domain globin into a comprehensive, yet undoubtedly incomplete, appreciation of its pre-eminent role in nitric oxide detoxification. Here, I focus on research on the flavohaemoglobins of microorganisms, especially of bacteria, and update several earlier and more comprehensive reviews, emphasising advances over the past 5 to 10 years and some controversies that have arisen. Inevitably, in light of space restrictions, details of nitric oxide metabolism and globins in higher organisms are brief.
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Affiliation(s)
- Robert K. Poole
- Department of Molecular Biology and Biotechnology, The University of Sheffield, Firth Court, Sheffield, S10 2TN, UK
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