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Li Y, Guo Y, Jiang H, Zhang Q, Liu J. Antimicrobial activity, foaming properties, and interacting mechanism of rhamnolipids in presence of silk fibroin through spectroscopy, molecular docking, and microbiological experiments. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 323:124899. [PMID: 39094269 DOI: 10.1016/j.saa.2024.124899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2024] [Revised: 07/21/2024] [Accepted: 07/28/2024] [Indexed: 08/04/2024]
Abstract
As a type of biosurfactant, rhamnolipids (RLs) are multifunctional skin-care ingredients, and the molecular interaction of RLs with silk fibroin (SF) is a more complicated process than has long been believed. The interaction and functional properties of them, and their potential as fungicidal agents for agricultural products and as organic preservatives for cosmetics were assessed in this paper. The SF addition makes the RLs aggregation easier through the complexes formation, which decreases the applied concentration of surfactant. The results of spectroscopic analyses and molecular docking suggest that hydrogen bonding and van der Waals forces are significant contributed to the binding mechanism between the two substances. The addition of SF notably enhances the foaming capacity and stability of RLs. The certain antibacterial and antifungal properties of RLs are basically not affected by the SF addition, even the SF-RLS system demonstrates an unobvious synergistic inhibitory impact on Glomerella cingulate (GC). The results offer a theoretical framework for the utilization of RLs as natural fungicides and preservatives in presence of nutritional components, considering the properties of RLs as nontoxic, biodegradable, environmentally friendly, and good compatibility.
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Affiliation(s)
- Yutong Li
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, PR China
| | - Yu Guo
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, PR China
| | - Hanlu Jiang
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, PR China
| | - Qian Zhang
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, PR China.
| | - Jie Liu
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, PR China.
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2
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Xu Q, Kang D, Meyer MD, Pennington CL, Gopal C, Schertzer JW, Kirienko NV. Cytotoxic rhamnolipid micelles drive acute virulence in Pseudomonas aeruginosa. Infect Immun 2024; 92:e0040723. [PMID: 38391248 PMCID: PMC10929412 DOI: 10.1128/iai.00407-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 02/07/2024] [Indexed: 02/24/2024] Open
Abstract
Pseudomonas aeruginosa is an opportunistic human pathogen that has developed multi- or even pan-drug resistance toward most frontline and last resort antibiotics, leading to increasing frequency of infections and deaths among hospitalized patients, especially those with compromised immune systems. Further complicating treatment, P. aeruginosa produces numerous virulence factors that contribute to host tissue damage and immune evasion, promoting bacterial colonization and pathogenesis. In this study, we demonstrate the importance of rhamnolipid production in host-pathogen interactions. Secreted rhamnolipids form micelles that exhibited highly acute toxicity toward murine macrophages, rupturing the plasma membrane and causing organellar membrane damage within minutes of exposure. While rhamnolipid micelles (RMs) were particularly toxic to macrophages, they also caused membrane damage in human lung epithelial cells, red blood cells, Gram-positive bacteria, and even noncellular models like giant plasma membrane vesicles. Most importantly, rhamnolipid production strongly correlated with P. aeruginosa virulence against murine macrophages in various panels of clinical isolates. Altogether, our findings suggest that rhamnolipid micelles are highly cytotoxic virulence factors that drive acute cellular damage and immune evasion during P. aeruginosa infections.
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Affiliation(s)
- Qi Xu
- Department of BioSciences, Rice University, Houston, Texas, USA
- Department of Bioengineering, Rice University, Houston, Texas, USA
| | - Donghoon Kang
- Department of BioSciences, Rice University, Houston, Texas, USA
| | - Matthew D. Meyer
- Shared Equipment Authority, Rice University, Houston, Texas, USA
| | | | - Citrupa Gopal
- Department of Biological Sciences, Binghamton University, Binghamton, New York, USA
| | - Jeffrey W. Schertzer
- Department of Biological Sciences, Binghamton University, Binghamton, New York, USA
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3
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Datta D, Ghosh S, Kumar S, Gangola S, Majumdar B, Saha R, Mazumdar SP, Singh SV, Kar G. Microbial biosurfactants: Multifarious applications in sustainable agriculture. Microbiol Res 2024; 279:127551. [PMID: 38016380 DOI: 10.1016/j.micres.2023.127551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 11/02/2023] [Accepted: 11/14/2023] [Indexed: 11/30/2023]
Abstract
Agriculture in the 21st century faces grave challenges to meet the unprecedented food demand of the burgeoning population as well as reduce the ecological footprint for achieving sustainable development goals. The extensive use of harsh synthetic surfactants in pesticides and the agrochemical industry has substantial adverse impacts on the soil and environment due to their toxic and non-biodegradable nature. Biosurfactants derived from plant, animal, and microbial sources can be an eco-friendly alternative to chemical surfactants. Microbes producing biosurfactants play a noteworthy role in biofilm formation, plant pathogen elimination, biodegradation, bioremediation, improving nutrient bioavailability, and can thrive well under stressful environments. Microbial biosurfactants are well suited for heavy metal and organic contaminants remediation in agricultural soil due to their low toxicity, high activity at fluctuating temperatures, biodegradability, and stability over a wide array of environmental conditions. This green technology will improve the agricultural soil quality by increasing the soil flushing efficiency, mobilization, and solubilization of nutrients by forming metal-biosurfactant complexes, and through the dissemination of complex nutrients. Such characteristics help it to play a pivotal role in environmental sustainability in the foreseeable future, which is required to increase the viability of biosurfactants for extensive commercial uses, making them accessible, affordable, and economically sustainable.
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Affiliation(s)
- Debarati Datta
- ICAR-Central Research Institute for Jute and Allied Fibres, Barrackpore, Kolkata 700 121, India
| | - Sourav Ghosh
- ICAR-Central Research Institute for Jute and Allied Fibres, Barrackpore, Kolkata 700 121, India.
| | - Saurabh Kumar
- ICAR-Research Complex for Eastern Region, Patna 800014, Bihar, India
| | - Saurabh Gangola
- Graphic Era Hill University, Bhimtal 263 156, Uttarakhand, India
| | - Bijan Majumdar
- ICAR-Central Research Institute for Jute and Allied Fibres, Barrackpore, Kolkata 700 121, India
| | - Ritesh Saha
- ICAR-Central Research Institute for Jute and Allied Fibres, Barrackpore, Kolkata 700 121, India
| | - Sonali Paul Mazumdar
- ICAR-Central Research Institute for Jute and Allied Fibres, Barrackpore, Kolkata 700 121, India
| | - Shiv Vendra Singh
- College of Agriculture, Rani Lakshmi Bai Central Agricultural University, Jhansi 238004, Uttar Pradesh, India
| | - Gouranga Kar
- ICAR-Central Research Institute for Jute and Allied Fibres, Barrackpore, Kolkata 700 121, India
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4
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Xu Q, Kang D, Meyer MD, Pennington CL, Gopal C, Schertzer JW, Kirienko NV. Cytotoxic rhamnolipid micelles drive acute virulence in Pseudomonas aeruginosa. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.13.562257. [PMID: 37873290 PMCID: PMC10592815 DOI: 10.1101/2023.10.13.562257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Pseudomonas aeruginosa is an opportunistic human pathogen that has developed multi- or even pan-drug resistance towards most frontline and last resort antibiotics, leading to increasing infections and deaths among hospitalized patients, especially those with compromised immune systems. Further complicating treatment, P. aeruginosa produces numerous virulence factors that contribute to host tissue damage and immune evasion, promoting bacterial colonization and pathogenesis. In this study, we demonstrate the importance of rhamnolipid production in host-pathogen interactions. Secreted rhamnolipids form micelles that exhibited highly acute toxicity towards murine macrophages, rupturing the plasma membrane and causing organellar membrane damage within minutes of exposure. While rhamnolipid micelles (RMs) were particularly toxic to macrophages, they also caused membrane damage in human lung epithelial cells, red blood cells, Gram-positive bacteria, and even non-cellular models like giant plasma membrane vesicles. Most importantly, rhamnolipid production strongly correlated to P. aeruginosa virulence against murine macrophages in various panels of clinical isolates. Altogether, our findings suggest that rhamnolipid micelles are highly cytotoxic virulence factors that drive acute cellular damage and immune evasion during P. aeruginosa infections.
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Affiliation(s)
- Qi Xu
- Department of BioSciences, Rice University, Houston, Texas, USA
- Department of Bioengineering, Rice University, Houston, Texas, USA
| | - Donghoon Kang
- Department of BioSciences, Rice University, Houston, Texas, USA
| | - Matthew D. Meyer
- Shared Equipment Authority, Rice University, Houston, Texas, USA
| | | | - Citrupa Gopal
- Department of Biological Sciences, Binghamton University, Binghamton, New York, USA
| | - Jeffrey W. Schertzer
- Department of Biological Sciences, Binghamton University, Binghamton, New York, USA
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5
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Rodríguez-Moraga N, Ramos-Martín F, Buchoux S, Rippa S, D'Amelio N, Sarazin C. The effect of rhamnolipids on fungal membrane models as described by their interactions with phospholipids and sterols: An in silico study. Front Chem 2023; 11:1124129. [PMID: 36895318 PMCID: PMC9989204 DOI: 10.3389/fchem.2023.1124129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 02/06/2023] [Indexed: 02/23/2023] Open
Abstract
Introduction: Rhamnolipids (RLs) are secondary metabolites naturally produced by bacteria of the genera Pseudomonas and Burkholderia with biosurfactant properties. A specific interest raised from their potential as biocontrol agents for crop culture protection in regard to direct antifungal and elicitor activities. As for other amphiphilic compounds, a direct interaction with membrane lipids has been suggested as the key feature for the perception and subsequent activity of RLs. Methods: Molecular Dynamics (MD) simulations are used in this work to provide an atomistic description of their interactions with different membranous lipids and focusing on their antifungal properties. Results and discussion: Our results suggest the insertion of RLs into the modelled bilayers just below the plane drawn by lipid phosphate groups, a placement that is effective in promoting significant membrane fluidification of the hydrophobic core. This localization is promoted by the formation of ionic bonds between the carboxylate group of RLs and the amino group of the phosphatidylethanolamine (PE) or phosphatidylserine (PS) headgroups. Moreover, RL acyl chains adhere to the ergosterol structure, forming a significantly higher number of van der Waals contact with respect to what is observed for phospholipid acyl chains. All these interactions might be essential for the membranotropic-driven biological actions of RLs.
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Affiliation(s)
- Nely Rodríguez-Moraga
- Unité de Génie Enzymatique et Cellulaire UMR 7025 CNRS, Université de Picardie Jules Verne, Amiens, France
| | - Francisco Ramos-Martín
- Unité de Génie Enzymatique et Cellulaire UMR 7025 CNRS, Université de Picardie Jules Verne, Amiens, France
| | - Sébastien Buchoux
- Unité de Génie Enzymatique et Cellulaire UMR 7025 CNRS, Université de Picardie Jules Verne, Amiens, France
| | - Sonia Rippa
- Unité de Génie Enzymatique et Cellulaire, CNRS UMR 7025, Sorbonne Universités, Université de Technologie de Compiègne, Compiègne, France
| | - Nicola D'Amelio
- Unité de Génie Enzymatique et Cellulaire UMR 7025 CNRS, Université de Picardie Jules Verne, Amiens, France
| | - Catherine Sarazin
- Unité de Génie Enzymatique et Cellulaire UMR 7025 CNRS, Université de Picardie Jules Verne, Amiens, France
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Maimone NM, Junior MCP, de Oliveira LFP, Rojas-Villalta D, de Lira SP, Barrientos L, Núñez-Montero K. Metabologenomics analysis of Pseudomonas sp. So3.2b, an Antarctic strain with bioactivity against Rhizoctonia solani. Front Microbiol 2023; 14:1187321. [PMID: 37213498 PMCID: PMC10192879 DOI: 10.3389/fmicb.2023.1187321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 04/06/2023] [Indexed: 05/23/2023] Open
Abstract
Introduction Phytopathogenic fungi are a considerable concern for agriculture, as they can threaten the productivity of several crops worldwide. Meanwhile, natural microbial products are acknowledged to play an important role in modern agriculture as they comprehend a safer alternative to synthetic pesticides. Bacterial strains from underexplored environments are a promising source of bioactive metabolites. Methods We applied the OSMAC (One Strain, Many Compounds) cultivation approach, in vitro bioassays, and metabolo-genomics analyses to investigate the biochemical potential of Pseudomonas sp. So3.2b, a strain isolated from Antarctica. Crude extracts from OSMAC were analyzed through HPLC-QTOF-MS/MS, molecular networking, and annotation. The antifungal potential of the extracts was confirmed against Rhizoctonia solani strains. Moreover, the whole-genome sequence was studied for biosynthetic gene clusters (BGCs) identification and phylogenetic comparison. Results and Discussion Molecular networking revealed that metabolite synthesis has growth media specificity, and it was reflected in bioassays results against R. solani. Bananamides, rhamnolipids, and butenolides-like molecules were annotated from the metabolome, and chemical novelty was also suggested by several unidentified compounds. Additionally, genome mining confirmed a wide variety of BGCs present in this strain, with low to no similarity with known molecules. An NRPS-encoding BGC was identified as responsible for producing the banamides-like molecules, while phylogenetic analysis demonstrated a close relationship with other rhizosphere bacteria. Therefore, by combining -omics approaches and in vitro bioassays, our study demonstrates that Pseudomonas sp. So3.2b has potential application to agriculture as a source of bioactive metabolites.
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Affiliation(s)
- Naydja Moralles Maimone
- 'Luiz de Queiroz' Superior College of Agriculture, Department of Math, Chemistry, and Statistics, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Mario Cezar Pozza Junior
- 'Luiz de Queiroz' Superior College of Agriculture, Department of Math, Chemistry, and Statistics, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Lucianne Ferreira Paes de Oliveira
- 'Luiz de Queiroz' Superior College of Agriculture, Department of Math, Chemistry, and Statistics, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Dorian Rojas-Villalta
- Biotechnology Research Center, Department of Biology, Instituto Tecnológico de Costa Rica, Cartago, Costa Rica
| | - Simone Possedente de Lira
- 'Luiz de Queiroz' Superior College of Agriculture, Department of Math, Chemistry, and Statistics, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Leticia Barrientos
- Extreme Environments Biotechnology Lab, Center of Excellence in Translational Medicine, Universidad de La Frontera, Temuco, Chile
- *Correspondence: Leticia Barrientos, ; Kattia Núñez-Montero,
| | - Kattia Núñez-Montero
- Facultad Ciencias de la Salud, Instituto de Ciencias Biomédicas, Universidad Autónoma de Chile, Temuco, Chile
- *Correspondence: Leticia Barrientos, ; Kattia Núñez-Montero,
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7
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Rhamnolipid the Glycolipid Biosurfactant: Emerging trends and promising strategies in the field of biotechnology and biomedicine. Microb Cell Fact 2021; 20:1. [PMID: 33397389 PMCID: PMC7784359 DOI: 10.1186/s12934-020-01497-9] [Citation(s) in RCA: 98] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 12/15/2020] [Indexed: 02/06/2023] Open
Abstract
Rhamnolipids (RLs) are surface-active compounds and belong to the class of glycolipid biosurfactants, mainly produced from Pseudomonas aeruginosa. Due to their non-toxicity, high biodegradability, low surface tension and minimum inhibitory concentration values, they have gained attention in various sectors like food, healthcare, pharmaceutical and petrochemicals. The ecofriendly biological properties of rhamnolipids make them potent materials to be used in therapeutic applications. RLs are also known to induce apoptosis and thus, able to inhibit proliferation of cancer cells. RLs can also act as immunomodulators to regulate the humoral and cellular immune systems. Regarding their antimicrobial property, they lower the surface hydrophobicity, destruct the cytoplasmic membrane and lower the critical micelle concentration to kill the bacterial cells either alone or in combination with nisin possibly due to their role in modulating outer membrane protein. RLs are also involved in the synthesis of nanoparticles for in vivo drug delivery. In relation to economic benefits, the post-harvest decay of food can be decreased by RLs because they prevent the mycelium growth, spore germination of fungi and inhibit the emergence of biofilm formation on food. The present review focuses on the potential uses of RLs in cosmetic, pharmaceutical, food and health-care industries as the potent therapeutic agents.
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Khubaib MA, Raza ZA, Abid S, Nazir A, Tariq MR. Cell‐Free Culture Broth of
Pseudomonas aeruginosa
—An Alternative Source of Biodispersant to Synthetic Surfactants for Dyeing the Polyester Fabric. J SURFACTANTS DETERG 2020. [DOI: 10.1002/jsde.12485] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Muhammad Anam Khubaib
- Department of Applied Sciences National Textile University Faisalabad 37610 Pakistan
| | - Zulfiqar Ali Raza
- Department of Applied Sciences National Textile University Faisalabad 37610 Pakistan
| | - Sharjeel Abid
- Department of Textile Processing National Textile University Faisalabad 37610 Pakistan
| | - Ahsan Nazir
- Department of Textile Processing National Textile University Faisalabad 37610 Pakistan
| | - Muhammad Rizwan Tariq
- Department of Applied Sciences National Textile University Faisalabad 37610 Pakistan
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Pseudomonas fluorescens: A Bioaugmentation Strategy for Oil-Contaminated and Nutrient-Poor Soil. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17196959. [PMID: 32977570 PMCID: PMC7579645 DOI: 10.3390/ijerph17196959] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 09/03/2020] [Accepted: 09/15/2020] [Indexed: 12/19/2022]
Abstract
Bioremediation technology is one of the most profitable and sustainable strategies for remediating soils contaminated with hydrocarbons. This study focuses on assessing the influence of biostimulation and bioaugmentation with Pseudomonas fluorescens to contribute to the removal of total petroleum hydrocarbons (TPHs) of a soil. Laboratory studies were carried out (measurements of emitted CO2, surface tension, and residual TPH) to select the best bioaugmentation and biostimulation treatment. The sources of C, N, and P were glucose–yeast extract, NH4Cl–NaNO3, and K2HPO4–K3PO4, respectively. The effect of culture conditions on the reduction of TPH and respiratory activity was evaluated through a factorial design, 23, in a solid culture system. After 80 days of incubation, it was observed that treatments of yeast extract–NH4Cl–K2HPO4 (Y4) and glucose–NaNO3–K3PO4 (Y5) presented a higher level of TPH removal (20.91% and 20.00% degradation of TPH, respectively). Biostimulation favors the production of biosurfactants, indirectly measured by the change in surface tension in the soil extracts. The treatments Y4 and Y5 showed a lower change value of the surface tension (23.15 and 23.30 mN·m−1 at 25 °C). A positive correlation was determined between the change in surface tension and the removal of TPH; hence there was a contribution of the biosurfactants produced to the removal of hydrocarbons.
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Crouzet J, Arguelles-Arias A, Dhondt-Cordelier S, Cordelier S, Pršić J, Hoff G, Mazeyrat-Gourbeyre F, Baillieul F, Clément C, Ongena M, Dorey S. Biosurfactants in Plant Protection Against Diseases: Rhamnolipids and Lipopeptides Case Study. Front Bioeng Biotechnol 2020; 8:1014. [PMID: 33015005 PMCID: PMC7505919 DOI: 10.3389/fbioe.2020.01014] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 08/03/2020] [Indexed: 12/17/2022] Open
Abstract
Biosurfactants are amphiphilic surface-active molecules that are produced by a variety of microorganisms including fungi and bacteria. Pseudomonas, Burkholderia, and Bacillus species are known to secrete rhamnolipids and lipopeptides that are used in a wide range of industrial applications. Recently, these compounds have been studied in a context of plant-microbe interactions. This mini-review describes the direct antimicrobial activities of these compounds against plant pathogens. We also provide the current knowledge on how rhamnolipids and lipopeptides stimulate the plant immune system leading to plant resistance to phytopathogens. Given their low toxicity, high biodegradability and ecological acceptance, we discuss the possible role of these biosurfactants as alternative strategies to reduce or even replace pesticide use in agriculture.
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Affiliation(s)
- Jérôme Crouzet
- Unité RIBP EA 4707, SFR Condorcet FR CNRS 3417, University of Reims Champagne-Ardenne, Reims, France
| | - Anthony Arguelles-Arias
- MiPI laboratory, Gembloux Agro-Bio Tech, SFR Condorcet FR CNRS 3417, University of LieÌge, Gembloux, Belgium
| | - Sandrine Dhondt-Cordelier
- Unité RIBP EA 4707, SFR Condorcet FR CNRS 3417, University of Reims Champagne-Ardenne, Reims, France
| | - Sylvain Cordelier
- Unité RIBP EA 4707, SFR Condorcet FR CNRS 3417, University of Reims Champagne-Ardenne, Reims, France
| | - Jelena Pršić
- MiPI laboratory, Gembloux Agro-Bio Tech, SFR Condorcet FR CNRS 3417, University of LieÌge, Gembloux, Belgium
| | - Gregory Hoff
- MiPI laboratory, Gembloux Agro-Bio Tech, SFR Condorcet FR CNRS 3417, University of LieÌge, Gembloux, Belgium
| | | | - Fabienne Baillieul
- Unité RIBP EA 4707, SFR Condorcet FR CNRS 3417, University of Reims Champagne-Ardenne, Reims, France
| | - Christophe Clément
- Unité RIBP EA 4707, SFR Condorcet FR CNRS 3417, University of Reims Champagne-Ardenne, Reims, France
| | - Marc Ongena
- MiPI laboratory, Gembloux Agro-Bio Tech, SFR Condorcet FR CNRS 3417, University of LieÌge, Gembloux, Belgium
| | - Stéphan Dorey
- Unité RIBP EA 4707, SFR Condorcet FR CNRS 3417, University of Reims Champagne-Ardenne, Reims, France
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11
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Robineau M, Le Guenic S, Sanchez L, Chaveriat L, Lequart V, Joly N, Calonne M, Jacquard C, Declerck S, Martin P, Dorey S, Ait Barka E. Synthetic Mono-Rhamnolipids Display Direct Antifungal Effects and Trigger an Innate Immune Response in Tomato against Botrytis Cinerea. Molecules 2020; 25:molecules25143108. [PMID: 32650401 PMCID: PMC7397090 DOI: 10.3390/molecules25143108] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/29/2020] [Accepted: 07/03/2020] [Indexed: 11/16/2022] Open
Abstract
Natural rhamnolipids are potential biocontrol agents for plant protection against bacterial and fungal diseases. In this work, we synthetized new synthetic mono-rhamnolipids (smRLs) consisting in a rhamnose connected to a simple acyl chain and differing by the nature of the link and the length of the lipid tail. We then investigated the effects of these ether, ester, carbamate or succinate smRL derivatives on Botrytis cinerea development, symptoms spreading on tomato leaves and immune responses in tomato plants. Our results demonstrate that synthetic smRLs are able to trigger early and late immunity-related plant defense responses in tomato and increase plant resistance against B. cinerea in controlled conditions. Structure-function analysis showed that chain length of the lipidic part and type of acyl chain were critical to smRLs immune activity and to the extent of symptoms caused by the fungus on tomato leaves.
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Affiliation(s)
- Mathilde Robineau
- RIBP-EA 4707, SFR Condorcet FR CNRS 3417, University of Reims Champagne-Ardenne, 51100 Reims, France
| | - Sarah Le Guenic
- UnilaSalle, Unité Transformations & Agroressources, Université d'Artois, ULR7519, F-62408 Béthune, France
| | - Lisa Sanchez
- RIBP-EA 4707, SFR Condorcet FR CNRS 3417, University of Reims Champagne-Ardenne, 51100 Reims, France
| | - Ludovic Chaveriat
- UnilaSalle, Unité Transformations & Agroressources, Université d'Artois, ULR7519, F-62408 Béthune, France
| | - Vincent Lequart
- UnilaSalle, Unité Transformations & Agroressources, Université d'Artois, ULR7519, F-62408 Béthune, France
| | - Nicolas Joly
- UnilaSalle, Unité Transformations & Agroressources, Université d'Artois, ULR7519, F-62408 Béthune, France
| | - Maryline Calonne
- Earth and Life Institute, Applied Microbiology, Mycology, Université catholique de Louvain, Croix du Sud, 2 box L7.05.06, 1348 Louvain-la-Neuve, Belgium
| | - Cédric Jacquard
- RIBP-EA 4707, SFR Condorcet FR CNRS 3417, University of Reims Champagne-Ardenne, 51100 Reims, France
| | - Stéphane Declerck
- Earth and Life Institute, Applied Microbiology, Mycology, Université catholique de Louvain, Croix du Sud, 2 box L7.05.06, 1348 Louvain-la-Neuve, Belgium
| | - Patrick Martin
- UnilaSalle, Unité Transformations & Agroressources, Université d'Artois, ULR7519, F-62408 Béthune, France
| | - Stephan Dorey
- RIBP-EA 4707, SFR Condorcet FR CNRS 3417, University of Reims Champagne-Ardenne, 51100 Reims, France
| | - Essaid Ait Barka
- RIBP-EA 4707, SFR Condorcet FR CNRS 3417, University of Reims Champagne-Ardenne, 51100 Reims, France
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12
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Oliva A, Teruel JA, Aranda FJ, Ortiz A. Effect of a dirhamnolipid biosurfactant on the structure and phase behaviour of dimyristoylphosphatidylserine model membranes. Colloids Surf B Biointerfaces 2020; 185:110576. [DOI: 10.1016/j.colsurfb.2019.110576] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 09/02/2019] [Accepted: 10/10/2019] [Indexed: 12/26/2022]
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13
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Monnier N, Furlan AL, Buchoux S, Deleu M, Dauchez M, Rippa S, Sarazin C. Exploring the Dual Interaction of Natural Rhamnolipids with Plant and Fungal Biomimetic Plasma Membranes through Biophysical Studies. Int J Mol Sci 2019; 20:E1009. [PMID: 30813553 PMCID: PMC6429473 DOI: 10.3390/ijms20051009] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 02/20/2019] [Accepted: 02/23/2019] [Indexed: 12/12/2022] Open
Abstract
Rhamnolipids (RLs) are potential biocontrol agents for crop culture protection. Their mode of action has been proposed as dual, combining plant protection activation and antifungal activities. The present work focuses on the interaction of natural RLs with plant and fungi membrane models at the molecular scale. Representative models were constructed and the interaction with RLs was studied by Fourier transform infrared (FTIR) and deuterium nuclear magnetic resonance (²H NMR) spectroscopic measurements. Molecular dynamic (MD) simulations were performed to investigate RL insertion in lipid bilayers. Our results showed that the RLs fit into the membrane models and were located near the lipid phosphate group of the phospholipid bilayers, nearby phospholipid glycerol backbones. The results obtained with plant plasma membrane models suggest that the insertion of RLs inside the lipid bilayer did not significantly affect lipid dynamics. Oppositely, a clear fluidity increase of fungi membrane models was observed. This effect was related to the presence and the specific structure of ergosterol. The nature of the phytosterols could also influence the RL effect on plant plasma membrane destabilization. Subtle changes in lipid dynamics could then be linked with plant defense induction and the more drastic effects associated with fungal membrane destabilization.
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Affiliation(s)
- Noadya Monnier
- Unité de Génie Enzymatique et Cellulaire, CNRS UMR 7025, Université de Picardie Jules Verne (UPJV), 80039 Amiens, France.
- Unité de Génie Enzymatique et Cellulaire, CNRS UMR 7025, Sorbonne Universités, Université de Technologie de Compiègne, 60200 Compiègne, France.
| | - Aurélien L Furlan
- Unité de Génie Enzymatique et Cellulaire, CNRS UMR 7025, Université de Picardie Jules Verne (UPJV), 80039 Amiens, France.
| | - Sébastien Buchoux
- Unité de Génie Enzymatique et Cellulaire, CNRS UMR 7025, Université de Picardie Jules Verne (UPJV), 80039 Amiens, France.
| | - Magali Deleu
- Laboratoire de Biophysique Moléculaire aux Interfaces, Gembloux Agro-Bio Tech, B5030 Gembloux, Belgium.
| | - Manuel Dauchez
- Matrice Extracellulaire et Dynamique Cellulaire, UMR CNRS 7369, Chaire MAgICS, Université de Reims Champagne-Ardenne (URCA), 51687 Reims, France.
| | - Sonia Rippa
- Unité de Génie Enzymatique et Cellulaire, CNRS UMR 7025, Sorbonne Universités, Université de Technologie de Compiègne, 60200 Compiègne, France.
| | - Catherine Sarazin
- Unité de Génie Enzymatique et Cellulaire, CNRS UMR 7025, Université de Picardie Jules Verne (UPJV), 80039 Amiens, France.
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14
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Luft CM, Munusamy E, Pemberton JE, Schwartz SD. Molecular Dynamics Simulation of the Oil Sequestration Properties of a Nonionic Rhamnolipid. J Phys Chem B 2018; 122:3944-3952. [PMID: 29547289 DOI: 10.1021/acs.jpcb.7b11959] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A detailed molecular dynamics simulation study is presented on the behavior of aggregates composed of the nonionic monorhamnolipid α-rhamnopyranosyl-β-hydroxydecanoyl-β-hydroxydecanoate (Rha-C10-C10) and decane in bulk water. A graph theoretical approach was utilized to characterize the size and composition of the many aggregates generated in our simulations. Overall, we observe that the formation of oil in Rha-C10-C10 aggregates is a favorable process. Detailed analysis on the surfactant/oil aggregate shows that larger aggregates are stable. The shape and size of the aggregates are widely distributed, with the majority of the aggregates preferring ellipsoidal or cylindrical structures. Irrespective of the decane concentration in the system, we did not observe free decane in any of the simulations. Further insights into the binding energy of decane were carried out using free-energy perturbation calculations. The results showed that the trapped decane molecules provide stability to the Rha-C10-C10 aggregates of size N = 50 which are shown to be unstable in our previous study and allow for the growth of larger aggregates than pure Rha-C10-C10 in water. The density profile plots show that decane molecules encapsulated inside the aggregate preferred to remain closer to the center of mass. This study points to the feasibility of using this biosurfactant as an environmental remediation agent.
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Affiliation(s)
- Charles M Luft
- Department of Chemistry and Biochemistry , University of Arizona , 1306 East University Blvd. , Tucson , Arizona 85721 , United States
| | - Elango Munusamy
- Department of Chemistry and Biochemistry , University of Arizona , 1306 East University Blvd. , Tucson , Arizona 85721 , United States
| | - Jeanne E Pemberton
- Department of Chemistry and Biochemistry , University of Arizona , 1306 East University Blvd. , Tucson , Arizona 85721 , United States
| | - Steven D Schwartz
- Department of Chemistry and Biochemistry , University of Arizona , 1306 East University Blvd. , Tucson , Arizona 85721 , United States
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15
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Liu C, You Y, Zhao R, Sun D, Zhang P, Jiang J, Zhu A, Liu W. Biosurfactant production from Pseudomonas taiwanensis L1011 and its application in accelerating the chemical and biological decolorization of azo dyes. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2017; 145:8-15. [PMID: 28689070 DOI: 10.1016/j.ecoenv.2017.07.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 06/29/2017] [Accepted: 07/03/2017] [Indexed: 06/07/2023]
Abstract
Dye dispersion and the interaction efficiency between azoreductases and dye molecules are rate-limiting steps for the decolorization of azo dyes. In this study, a biosurfactant-producing strain, Pseudomonas taiwanensis L1011, was isolated from crude oil. To increase the yield of the biosurfactant BS-L1011 from P. taiwanensis L1011, culture conditions were optimized including temperature, initial pH, carbon source, nitrogen source and C/N ratio. A maximum yield of 1.12g/L of BS-L1011 was obtained using D-mannitol as carbon source and yeast extract/urea as compound nitrogen source with C/N ratio of 10/4, pH 7.0 and 28°C. BS-L1011 exhibited a low critical micelle concentration (CMC) of 10.5mg/L and was able to reduce the surface tension of water to 25.8±0.1 mN/m. BS-L1011 was stable over a wide range of temperatures, pH values and salt concentrations. The biosurfactant is reported for the first time to accelerate chemical decolorization of Congo red by sodium hypochlorite, and biological decolorization of Amaranth by Bacillus circulans BWL1061, thus showing a potential in the treatment of dyeing wastewater.
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Affiliation(s)
- Cong Liu
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, No. 101, Shanghai Road, Tongshan District, Xuzhou 221116, Jiangsu Province, China
| | - Yanting You
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, No. 101, Shanghai Road, Tongshan District, Xuzhou 221116, Jiangsu Province, China
| | - Ruofei Zhao
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, No. 101, Shanghai Road, Tongshan District, Xuzhou 221116, Jiangsu Province, China
| | - Di Sun
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, No. 101, Shanghai Road, Tongshan District, Xuzhou 221116, Jiangsu Province, China
| | - Peng Zhang
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, No. 101, Shanghai Road, Tongshan District, Xuzhou 221116, Jiangsu Province, China
| | - Jihong Jiang
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, No. 101, Shanghai Road, Tongshan District, Xuzhou 221116, Jiangsu Province, China
| | - Aihua Zhu
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, No. 101, Shanghai Road, Tongshan District, Xuzhou 221116, Jiangsu Province, China
| | - Weijie Liu
- School of Life Science, The Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province, Jiangsu Normal University, No. 101, Shanghai Road, Tongshan District, Xuzhou 221116, Jiangsu Province, China.
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