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Kharkova A, Perchikov R, Kurbanalieva S, Osina K, Popova N, Machulin A, Kamanina O, Saverina E, Saltanov I, Melenkov S, Butusov D, Arlyapov V. Targeted Formation of Biofilms on the Surface of Graphite Electrodes as an Effective Approach to the Development of Biosensors for Early Warning Systems. BIOSENSORS 2024; 14:239. [PMID: 38785713 PMCID: PMC11118945 DOI: 10.3390/bios14050239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 04/30/2024] [Accepted: 05/01/2024] [Indexed: 05/25/2024]
Abstract
Biofilms based on bacteria Pseudomonas veronii (Ps. veronii) and Escherichia coli (E. coli) and yeast Saccharomyces cerevisiae (S. cerevisiae) were used for novel biosensor creation for rapid biochemical oxygen demand (BOD) monitoring. Based on the electrochemical measurement results, it was shown that the endogenous mediator in the matrix of E. coli and Ps. veronii biofilms and ferrocene form a two-mediator system that improves electron transport in the system. Biofilms based on Ps. veronii and E. coli had a high biotechnological potential for BOD assessment; bioreceptors based on such biofilms had high sensitivity (the lower limits of detectable BOD5 concentrations were 0.61 (Ps. veronii) and 0.87 (E. coli) mg/dm3) and high efficiency of analysis (a measurement time 5-10 min). The maximum biosensor response based on bacterial biofilms has been observed in the pH range of 6.6-7.2. The greatest protective effect was found for biofilms based on E. coli, which has high long-term stability (151 days for Ps. veronii and 163 days for E. coli). The results of the BOD5 analysis of water samples obtained using the developed biosensors had a high correlation with the results of the standard 5-day method (R2 = 0.9820, number of tested samples is 10 for Ps. veronii, and R2 = 0.9862, number of tested samples is 10 for E. coli). Thus, biosensors based on Ps. veronii biofilms and E. coli biofilms could be a novel analytical system to give early warnings of pollution.
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Affiliation(s)
- Anna Kharkova
- Federal State Budgetary Educational Institution of Higher Education, Tula State University, 300012 Tula, Russia; (A.K.); (R.P.); (K.O.); (O.K.)
| | - Roman Perchikov
- Federal State Budgetary Educational Institution of Higher Education, Tula State University, 300012 Tula, Russia; (A.K.); (R.P.); (K.O.); (O.K.)
| | - Saniyat Kurbanalieva
- N. D. Zelinsky Institute of Organic Chemistry, 119991 Moscow, Russia; (S.K.); (E.S.)
| | - Kristina Osina
- Federal State Budgetary Educational Institution of Higher Education, Tula State University, 300012 Tula, Russia; (A.K.); (R.P.); (K.O.); (O.K.)
| | - Nadezhda Popova
- Federal State Budgetary Institution of Science Institute of Physical Chemistry and Electrochemistry of the Russian Academy of Sciences, 119071 Moscow, Russia;
| | - Andrey Machulin
- Institute of Biochemistry and Physiology of Microorganisms of the Russian Academy of Sciences—A Separate Subdivision of the FRC Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, 142290 Pushchino, Russia;
| | - Olga Kamanina
- Federal State Budgetary Educational Institution of Higher Education, Tula State University, 300012 Tula, Russia; (A.K.); (R.P.); (K.O.); (O.K.)
| | - Evgeniya Saverina
- N. D. Zelinsky Institute of Organic Chemistry, 119991 Moscow, Russia; (S.K.); (E.S.)
| | - Ivan Saltanov
- Limited Liability Company “INNOBIOSYSTEMS”, 117342 Moscow, Russia; (I.S.); (S.M.)
| | - Sergey Melenkov
- Limited Liability Company “INNOBIOSYSTEMS”, 117342 Moscow, Russia; (I.S.); (S.M.)
| | - Denis Butusov
- Computer-Aided Design Department, Saint Petersburg Electrotechnical University “LETI”, 197022 Saint Petersburg, Russia;
| | - Vyacheslav Arlyapov
- Federal State Budgetary Educational Institution of Higher Education, Tula State University, 300012 Tula, Russia; (A.K.); (R.P.); (K.O.); (O.K.)
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Busnelli MP, Lazzarini Behrmann IC, Ferreira ML, Candal RJ, Ramirez SA, Vullo DL. Metal- Pseudomonas veronii 2E Interactions as Strategies for Innovative Process Developments in Environmental Biotechnology. Front Microbiol 2021; 12:622600. [PMID: 33746918 PMCID: PMC7965972 DOI: 10.3389/fmicb.2021.622600] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 02/08/2021] [Indexed: 11/25/2022] Open
Abstract
The increase of industrial discharges is the first cause of the contamination of water bodies. The bacterial survival strategies contribute to the equilibrium restoration of ecosystems being useful tools for the development of innovative environmental biotechnologies. The aim of this work was to study the Cu(II) and Cd(II) biosensing, removal and recovery, mediated by whole cells, exopolymeric substances (EPS) and biosurfactants of the indigenous and non-pathogenic Pseudomonas veronii 2E to be applied in the development of wastewater biotreatments. An electrochemical biosensor was developed using P. veronii 2E biosorption mechanism mediated by the cell surface associated to bound exopolymeric substances. A Carbon Paste Electrode modified with P. veronii 2E (CPEM) was built using mineral oil, pre-washed graphite power and 24 h-dried cells. For Cd(II) quantification the CPEM was immersed in Cd(II) (1-25 μM), detected by Square Wave Voltammetry. A similar procedure was used for 1-50 μM Cu(II). Regarding Cd(II), removal mediated by immobilized EPS was tested in a 50 ml bioreactor with 0.13 mM Cd(II), pH 7.5. A 54% metal retention by EPS was achieved after 7 h of continuous operation, while a 40% was removed by a control resin. In addition, surfactants produced by P. veronii 2E were studied for recovery of Cd(II) adsorbed on diatomite, obtaining a 36% desorption efficiency at pH 6.5. Cu(II) adsorption from a 1 mM solution was tested using P. veronii 2E purified soluble EPS in 50 mL- batch reactors (pH = 5.5, 32°C). An 80% of the initial Cu(II) was retained using 1.04 g immobilized EPS. Focusing on metal recovery, Cu nanoparticles (NPs) biosynthesis by P. veronii 2E was carried out in Cu(II)-PYG Broth at 25°C for 5 days. Extracellular CuNPs were characterized by UV-Vis spectral analysis while both extracellular and intracellular NPs were analyzed by SEM and TEM techniques. Responses of P. veronii 2E and its products as biosurfactants, bound and soluble EPS allowed Cu(II) and Cd(II) removal, recovery and biosensing resulting in a multiple and versatile tool for sustainable wastewater biotreatments.
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Affiliation(s)
- María Pia Busnelli
- Área Química, Instituto de Ciencias, Universidad Nacional de General Sarmiento, Los Polvorines, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | | | - Maria Laura Ferreira
- Área Química, Instituto de Ciencias, Universidad Nacional de General Sarmiento, Los Polvorines, Argentina
| | - Roberto J. Candal
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Instituto de Investigación e Ingeniería Ambiental (IIIA), Universidad Nacional de General San Martin, San Martín, Argentina
| | - Silvana A. Ramirez
- Área Química, Instituto de Ciencias, Universidad Nacional de General Sarmiento, Los Polvorines, Argentina
| | - Diana L. Vullo
- Área Química, Instituto de Ciencias, Universidad Nacional de General Sarmiento, Los Polvorines, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
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Cavallero GJ, Ferreira ML, Casabuono AC, Ramírez SA, Vullo DL, Couto AS. Structural characterization and metal biosorptive activity of the major polysaccharide produced by Pseudomonas veronii 2E. Carbohydr Polym 2020; 245:116458. [DOI: 10.1016/j.carbpol.2020.116458] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 04/17/2020] [Accepted: 05/14/2020] [Indexed: 01/01/2023]
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Benedek T, Szentgyörgyi F, Szabó I, Farkas M, Duran R, Kriszt B, Táncsics A. Aerobic and oxygen-limited naphthalene-amended enrichments induced the dominance of Pseudomonas spp. from a groundwater bacterial biofilm. Appl Microbiol Biotechnol 2020; 104:6023-6043. [PMID: 32415320 PMCID: PMC7306034 DOI: 10.1007/s00253-020-10668-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 04/29/2020] [Accepted: 05/04/2020] [Indexed: 12/20/2022]
Abstract
In this study, we aimed at determining the impact of naphthalene and different oxygen levels on a biofilm bacterial community originated from a petroleum hydrocarbon-contaminated groundwater. By using cultivation-dependent and cultivation-independent approaches, the enrichment, identification, and isolation of aerobic and oxygen-limited naphthalene degraders was possible. Results indicated that, regardless of the oxygenation conditions, Pseudomonas spp. became the most dominant in the naphthalene-amended selective enrichment cultures. Under low-oxygen conditions, P. veronii/P. extremaustralis lineage affiliating bacteria, and under full aerobic conditions P. laurentiana-related isolates were most probably capable of naphthalene biodegradation. A molecular biological tool has been developed for the detection of naphthalene 1,2-dioxygenase-related 2Fe-2S reductase genes of Gram-negative bacteria. The newly developed COnsensus DEgenerate Hybrid Oligonucleotide Primers (CODEHOP-PCR) technique may be used in the monitoring of the natural attenuation capacity of PAH-contaminated sites. A bacterial strain collection with prolific biofilm-producing and effective naphthalene-degrading organisms was established. The obtained strain collection may be applicable in the future for the development of biofilm-based bioremediation systems for the elimination of PAHs from groundwater (e.g., biofilm-based biobarriers).
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Affiliation(s)
- Tibor Benedek
- Regional University Centre of Excellence in Environmental Industry, Szent István University, Páter K. u. 1, Gödöllő, H-2100, Hungary.
| | - Flóra Szentgyörgyi
- Department of Environmental Protection and Safety, Szent István University, Páter K. u. 1, Gödöllő, H-2100, Hungary
| | - István Szabó
- Department of Environmental Protection and Safety, Szent István University, Páter K. u. 1, Gödöllő, H-2100, Hungary
| | - Milán Farkas
- Department of Environmental Protection and Safety, Szent István University, Páter K. u. 1, Gödöllő, H-2100, Hungary
| | - Robert Duran
- IPREM UMR CNRS 5254, Equipe Environnement et Microbiologie, MELODY Group, Université de Pau et des Pays de l'Adour, Pau, France
| | - Balázs Kriszt
- Department of Environmental Protection and Safety, Szent István University, Páter K. u. 1, Gödöllő, H-2100, Hungary
| | - András Táncsics
- Regional University Centre of Excellence in Environmental Industry, Szent István University, Páter K. u. 1, Gödöllő, H-2100, Hungary
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Chemical characterization and ligand behaviour of Pseudomonas veronii 2E siderophores. World J Microbiol Biotechnol 2018; 34:134. [PMID: 30120613 DOI: 10.1007/s11274-018-2519-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 08/13/2018] [Indexed: 12/11/2022]
Abstract
Siderophores are low-molecular weight ligands secreted by bacteria as a survival strategy in Fe(III)-lacking environments. They bind not only Fe(III), but Co(II), Zn(II), Mn(II), Ni(II), Ga(III) as a detoxification alternative. The synthesis, purification and characterization of siderophores produced by Pseudomonas veronii 2E were evaluated to be applied in future environmental technologies. Optimal production was obtained in Fe(III)-free M9-succinate at 25 °C, 40 h and pH 6.9. Siderophores were chemically characterized as hydroxamate and catechol mixed-type. Spectroscopic analysis indicated their belonging to the pyoverdine family, behaving as ligand to Cd(II), Zn(II), Cu(II), Ni(II) and Cr(III), which promoted siderophoregenesis during growth. Siderophore-Cd(II) complexation was studied by electrochemical monitored titration revealing one family of moderate-strength binding sites. Mass spectral analysis evidenced the secretion of a variety of molecules (molecular mass ca.1200 u). Non pathogenic Pseudomonas veronii 2E siderophores represent a safe alternative for the concrete application of environmental technologies and clinical procedures.
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Kim Y, Kim H, Beuchat LR, Ryu JH. Inhibition of Escherichia coli O157:H7 on stainless steel using Pseudomonas veronii biofilms. Lett Appl Microbiol 2018; 66:394-399. [PMID: 29444347 DOI: 10.1111/lam.12866] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 01/25/2018] [Accepted: 01/26/2018] [Indexed: 01/21/2023]
Abstract
We produced a Pseudomonas veronii biofilm on the surface of a stainless steel that is inhibitory to Escherichia coli O157:H7. Pseudomonas veronii strain KACC 81051BP, isolated from lettuce, readily formed biofilm on the surface of stainless steel coupons (SSCs) immersed in tryptic soy broth at 25°C. Cells showed significantly (P ≤ 0·05) enhanced tolerance to desiccation stress (43% relative humidity (RH)) and retained antimicrobial activity against E. coli O157:H7. The number of E. coli O157:H7 (control; 4·1 ± 0·1 log CFU per coupon) on sterile SSCs decreased to 2·7 ± 0·2 log CFU per coupon after exposure to 43% RH at 25°C for 48 h, while the population of E. coli O157:H7 (4·1 ± 0·0 log CFU per coupon) on SSCs containing P. veronii biofilm decreased to below the theoretical detection limit (1·5 log CFU per coupon) within 24 h. The antimicrobial biofilm produced on stainless steel may have application in preventing cross-contamination by E. coli O157:H7 on other abiotic surfaces in food-contact environments. SIGNIFICANCE AND IMPACT OF THE STUDY The presence of Escherichia coli O157:H7 on environmental surfaces of food manufacturing, transportation and storage facilities is a significant food safety concern because it can result in cross-contamination of food products. In this study, we developed a Pseudomonas veronii biofilm on the surface of a stainless steel that inhibits the growth of E. coli O157:H7. Since P. veronii in biofilm resists desiccation, it provides persistent antimicrobial activity. Information presented here provides novel and practical insights to developing biological strategies to inactivate E. coli O157:H7 on diverse surfaces in food processing and handling environments.
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Affiliation(s)
- Y Kim
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Korea
| | - H Kim
- Department of Food and Nutrition, Wonkwang University, Jeonbuk, Korea
| | - L R Beuchat
- Center for Food Safety and Department of Food Science and Technology, University of Georgia, Griffin, GA, USA
| | - J-H Ryu
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Korea
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