Anodic deposit from respiration metabolic pathway of Escherichia coli
Anaerobic incubation of E. coli K12 strains in an electrochemical cell induced the generation of an electrical current under constant polarization at 0.52V/SHE. After incubation under potentiostatic conditions, the cyclic voltammetry signature points towards deposits of an insoluble layer of an oxid...
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| Veröffentlicht in: | Electrochimica acta 2014-06, Vol.130, p.200-205 |
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| container_title | Electrochimica acta |
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| creator | Nguyen, Uyen Hoang Phuong Grekov, Denys Geiselmann, Johannes Stambouli, Valérie Weidenhaupt, Marianne Delabouglise, Didier |
| description | Anaerobic incubation of E. coli K12 strains in an electrochemical cell induced the generation of an electrical current under constant polarization at 0.52V/SHE. After incubation under potentiostatic conditions, the cyclic voltammetry signature points towards deposits of an insoluble layer of an oxidized redox compound. This bacterial redox mediator is soluble in its reduced state and exhibits a standard redox potential of 0.03V/SHE at pH 7 with a slope of 120mV per pH unit. A thorough inspection of the cyclic voltammetry allows us to shed light on how the bacteria interact with the electrode. Use of mutant strains of E. coli K12 in which genes of the synthetic pathways of ubiquinone and menaquinone were deleted did not interfere with the secretion of the redox mediator. |
| doi_str_mv | 10.1016/j.electacta.2014.03.019 |
| format | Article |
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After incubation under potentiostatic conditions, the cyclic voltammetry signature points towards deposits of an insoluble layer of an oxidized redox compound. This bacterial redox mediator is soluble in its reduced state and exhibits a standard redox potential of 0.03V/SHE at pH 7 with a slope of 120mV per pH unit. A thorough inspection of the cyclic voltammetry allows us to shed light on how the bacteria interact with the electrode. Use of mutant strains of E. coli K12 in which genes of the synthetic pathways of ubiquinone and menaquinone were deleted did not interfere with the secretion of the redox mediator.</description><identifier>ISSN: 0013-4686</identifier><identifier>EISSN: 1873-3859</identifier><identifier>DOI: 10.1016/j.electacta.2014.03.019</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Bioelectrochemistry ; Biotechnology ; Chemical Sciences ; Computer Science ; Cyclic voltammetry ; E. coli ; Escherichia coli ; Life Sciences ; Material chemistry ; Redox mediator ; Striping-deposition</subject><ispartof>Electrochimica acta, 2014-06, Vol.130, p.200-205</ispartof><rights>2014 Elsevier Ltd</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c419t-cc660825dfa78091e7a36acd2b2e9bd3a7f3f912d9ebab97475e42d07e02d88b3</citedby><cites>FETCH-LOGICAL-c419t-cc660825dfa78091e7a36acd2b2e9bd3a7f3f912d9ebab97475e42d07e02d88b3</cites><orcidid>0000-0003-3332-9702 ; 0000-0003-0457-4119 ; 0000-0001-5180-6758</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.electacta.2014.03.019$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,776,780,881,3536,27903,27904,45974</link.rule.ids><backlink>$$Uhttps://hal.science/hal-01067524$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Nguyen, Uyen Hoang Phuong</creatorcontrib><creatorcontrib>Grekov, Denys</creatorcontrib><creatorcontrib>Geiselmann, Johannes</creatorcontrib><creatorcontrib>Stambouli, Valérie</creatorcontrib><creatorcontrib>Weidenhaupt, Marianne</creatorcontrib><creatorcontrib>Delabouglise, Didier</creatorcontrib><title>Anodic deposit from respiration metabolic pathway of Escherichia coli</title><title>Electrochimica acta</title><description>Anaerobic incubation of E. coli K12 strains in an electrochemical cell induced the generation of an electrical current under constant polarization at 0.52V/SHE. After incubation under potentiostatic conditions, the cyclic voltammetry signature points towards deposits of an insoluble layer of an oxidized redox compound. This bacterial redox mediator is soluble in its reduced state and exhibits a standard redox potential of 0.03V/SHE at pH 7 with a slope of 120mV per pH unit. A thorough inspection of the cyclic voltammetry allows us to shed light on how the bacteria interact with the electrode. Use of mutant strains of E. coli K12 in which genes of the synthetic pathways of ubiquinone and menaquinone were deleted did not interfere with the secretion of the redox mediator.</description><subject>Bioelectrochemistry</subject><subject>Biotechnology</subject><subject>Chemical Sciences</subject><subject>Computer Science</subject><subject>Cyclic voltammetry</subject><subject>E. coli</subject><subject>Escherichia coli</subject><subject>Life Sciences</subject><subject>Material chemistry</subject><subject>Redox mediator</subject><subject>Striping-deposition</subject><issn>0013-4686</issn><issn>1873-3859</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkEFLAzEQhYMoWKu_wT3qYddJsrvZHEupVih40XPIJrM0ZdusybbSf29KpVdhYGDme2-YR8gjhYICrV82BfZoRp2qYEDLAngBVF6RCW0Ez3lTyWsyAaA8L-umviV3MW4AQNQCJmQx23nrTGZx8NGNWRf8NgsYBxf06Pwu2-KoW98nZNDj-kcfM99li2jWGJxZO52ZtLwnN53uIz789Sn5el18zpf56uPtfT5b5aakcsyNqWtoWGU7LRqQFIXmtTaWtQxla7kWHe8kZVZiq1spSlFhySwIBGabpuVT8nz2XeteDcFtdTgqr51azlbqNAMKtahYeaCJfTqzQ_Dfe4yj2rposO_1Dv0-KlqVwLiUskqoOKMm-BgDdhdvCuoUstqoS8jqFLICnm7JpJydlZi-PjgMKhqHO4PWhcQr692_Hr9puImS</recordid><startdate>20140601</startdate><enddate>20140601</enddate><creator>Nguyen, Uyen Hoang Phuong</creator><creator>Grekov, Denys</creator><creator>Geiselmann, Johannes</creator><creator>Stambouli, Valérie</creator><creator>Weidenhaupt, Marianne</creator><creator>Delabouglise, Didier</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>C1K</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0003-3332-9702</orcidid><orcidid>https://orcid.org/0000-0003-0457-4119</orcidid><orcidid>https://orcid.org/0000-0001-5180-6758</orcidid></search><sort><creationdate>20140601</creationdate><title>Anodic deposit from respiration metabolic pathway of Escherichia coli</title><author>Nguyen, Uyen Hoang Phuong ; Grekov, Denys ; Geiselmann, Johannes ; Stambouli, Valérie ; Weidenhaupt, Marianne ; Delabouglise, Didier</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c419t-cc660825dfa78091e7a36acd2b2e9bd3a7f3f912d9ebab97475e42d07e02d88b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Bioelectrochemistry</topic><topic>Biotechnology</topic><topic>Chemical Sciences</topic><topic>Computer Science</topic><topic>Cyclic voltammetry</topic><topic>E. coli</topic><topic>Escherichia coli</topic><topic>Life Sciences</topic><topic>Material chemistry</topic><topic>Redox mediator</topic><topic>Striping-deposition</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nguyen, Uyen Hoang Phuong</creatorcontrib><creatorcontrib>Grekov, Denys</creatorcontrib><creatorcontrib>Geiselmann, Johannes</creatorcontrib><creatorcontrib>Stambouli, Valérie</creatorcontrib><creatorcontrib>Weidenhaupt, Marianne</creatorcontrib><creatorcontrib>Delabouglise, Didier</creatorcontrib><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Electrochimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nguyen, Uyen Hoang Phuong</au><au>Grekov, Denys</au><au>Geiselmann, Johannes</au><au>Stambouli, Valérie</au><au>Weidenhaupt, Marianne</au><au>Delabouglise, Didier</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Anodic deposit from respiration metabolic pathway of Escherichia coli</atitle><jtitle>Electrochimica acta</jtitle><date>2014-06-01</date><risdate>2014</risdate><volume>130</volume><spage>200</spage><epage>205</epage><pages>200-205</pages><issn>0013-4686</issn><eissn>1873-3859</eissn><abstract>Anaerobic incubation of E. coli K12 strains in an electrochemical cell induced the generation of an electrical current under constant polarization at 0.52V/SHE. 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| source | Elsevier ScienceDirect Journals |
| subjects | Bioelectrochemistry Biotechnology Chemical Sciences Computer Science Cyclic voltammetry E. coli Escherichia coli Life Sciences Material chemistry Redox mediator Striping-deposition |
| title | Anodic deposit from respiration metabolic pathway of Escherichia coli |
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