Effects of rhamnolipids on cell surface hydrophobicity of PAH degrading bacteria and the biodegradation of phenanthrene
The effects of rhamnolipids produced by Pseudomonas aeruginosa ATCC9027 on the cell surface hydrophobicity (CSH) and the biodegradation of phenanthrene by two thermophilic bacteria, Bacillus subtilis BUM and P. aeruginosa P-CG3, and mixed inoculation of these two strains were investigated. Rhamnolip...
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| Veröffentlicht in: | Bioresource technology 2011-03, Vol.102 (5), p.3999-4007 |
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| creator | Zhao, Zhenyong Selvam, Ammaiyappan Wong, Jonathan Woon-Chung |
| description | The effects of rhamnolipids produced by Pseudomonas aeruginosa ATCC9027 on the cell surface hydrophobicity (CSH) and the biodegradation of phenanthrene by two thermophilic bacteria, Bacillus subtilis BUM and P. aeruginosa P-CG3, and mixed inoculation of these two strains were investigated. Rhamnolipids significantly reduced the CSH of the hydrophobic BUM and resulted in a noticeable lag period in the biodegradation. However, they significantly increased the CSH and enhanced the biodegradation for the hydrophilic P-CG3. In the absence of rhamnolipids, a mixed inoculation of BUM and P-CG3 removed 82.2% of phenanthrene within 30days and the major contributor of the biodegradation was BUM (rapid degrader) while the growth of P-CG3 (slow degrader) was suppressed. Addition of rhamnolipids promoted the surfactant-mediated-uptake of phenanthrene by P-CG3 but inhibited the uptake through direct contact by BUM. This resulted in the domination of P-CG3 during the initial stage of biodegradation and enhanced the biodegradation to 92.7%. |
| doi_str_mv | 10.1016/j.biortech.2010.11.088 |
| format | Article |
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Rhamnolipids significantly reduced the CSH of the hydrophobic BUM and resulted in a noticeable lag period in the biodegradation. However, they significantly increased the CSH and enhanced the biodegradation for the hydrophilic P-CG3. In the absence of rhamnolipids, a mixed inoculation of BUM and P-CG3 removed 82.2% of phenanthrene within 30days and the major contributor of the biodegradation was BUM (rapid degrader) while the growth of P-CG3 (slow degrader) was suppressed. Addition of rhamnolipids promoted the surfactant-mediated-uptake of phenanthrene by P-CG3 but inhibited the uptake through direct contact by BUM. This resulted in the domination of P-CG3 during the initial stage of biodegradation and enhanced the biodegradation to 92.7%.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2010.11.088</identifier><identifier>PMID: 21208798</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Analysis of Variance ; Bacillus subtilis ; Bacillus subtilis - metabolism ; Bacteria ; Biodegradation ; Biodegradation, Environmental - drug effects ; Biological and medical sciences ; Biosurfactant ; Biotechnology ; Cell Membrane - drug effects ; Cell Membrane - metabolism ; Degradation ; Fundamental and applied biological sciences. Psychology ; Glycolipids - metabolism ; Glycolipids - pharmacology ; Hydrophobic and Hydrophilic Interactions - drug effects ; Hydrophobicity ; Inoculation ; PAHs ; Phenanthrene ; Phenanthrenes - metabolism ; Pseudomonas aeruginosa ; Pseudomonas aeruginosa - metabolism ; Rhamnolipids ; Surface-Active Agents - metabolism ; Surface-Active Agents - pharmacology ; Uptakes</subject><ispartof>Bioresource technology, 2011-03, Vol.102 (5), p.3999-4007</ispartof><rights>2010 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2010 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c486t-52f6d6bb8090bab729558dbf9563a5f254c38e20ce7776f83f4c5fe839983e883</citedby><cites>FETCH-LOGICAL-c486t-52f6d6bb8090bab729558dbf9563a5f254c38e20ce7776f83f4c5fe839983e883</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0960852410018912$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23870800$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21208798$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhao, Zhenyong</creatorcontrib><creatorcontrib>Selvam, Ammaiyappan</creatorcontrib><creatorcontrib>Wong, Jonathan Woon-Chung</creatorcontrib><title>Effects of rhamnolipids on cell surface hydrophobicity of PAH degrading bacteria and the biodegradation of phenanthrene</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>The effects of rhamnolipids produced by Pseudomonas aeruginosa ATCC9027 on the cell surface hydrophobicity (CSH) and the biodegradation of phenanthrene by two thermophilic bacteria, Bacillus subtilis BUM and P. aeruginosa P-CG3, and mixed inoculation of these two strains were investigated. Rhamnolipids significantly reduced the CSH of the hydrophobic BUM and resulted in a noticeable lag period in the biodegradation. However, they significantly increased the CSH and enhanced the biodegradation for the hydrophilic P-CG3. In the absence of rhamnolipids, a mixed inoculation of BUM and P-CG3 removed 82.2% of phenanthrene within 30days and the major contributor of the biodegradation was BUM (rapid degrader) while the growth of P-CG3 (slow degrader) was suppressed. Addition of rhamnolipids promoted the surfactant-mediated-uptake of phenanthrene by P-CG3 but inhibited the uptake through direct contact by BUM. This resulted in the domination of P-CG3 during the initial stage of biodegradation and enhanced the biodegradation to 92.7%.</description><subject>Analysis of Variance</subject><subject>Bacillus subtilis</subject><subject>Bacillus subtilis - metabolism</subject><subject>Bacteria</subject><subject>Biodegradation</subject><subject>Biodegradation, Environmental - drug effects</subject><subject>Biological and medical sciences</subject><subject>Biosurfactant</subject><subject>Biotechnology</subject><subject>Cell Membrane - drug effects</subject><subject>Cell Membrane - metabolism</subject><subject>Degradation</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Glycolipids - metabolism</subject><subject>Glycolipids - pharmacology</subject><subject>Hydrophobic and Hydrophilic Interactions - drug effects</subject><subject>Hydrophobicity</subject><subject>Inoculation</subject><subject>PAHs</subject><subject>Phenanthrene</subject><subject>Phenanthrenes - metabolism</subject><subject>Pseudomonas aeruginosa</subject><subject>Pseudomonas aeruginosa - metabolism</subject><subject>Rhamnolipids</subject><subject>Surface-Active Agents - metabolism</subject><subject>Surface-Active Agents - pharmacology</subject><subject>Uptakes</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkktv1DAURi0EosPAXyjZINhk8CN-7aiqQpEqgQRdW459PfEokwx2BjT_HodMYUdXlu1z7_2sY4QuCd4QTMT73aaNY5rAdRuK50OywUo9QSuiJKupluIpWmEtcK04bS7Qi5x3GGNGJH2OLiihWEmtVujXTQjgplyNoUqd3Q9jHw_Rl_1QOej7Kh9TsA6q7uTTeOjGNro4nWb869Vt5WGbrI_DtmqtmyBFW9nBV1MHVcm33Noplmal4NDBYIepSzDAS_Qs2D7Dq_O6Rvcfb75f39Z3Xz59vr66q12jxFRzGoQXbauwxq1tJdWcK98GzQWzPFDeOKaAYgdSShEUC43jARTTWjFQiq3R26XvIY0_jpAns495fpgdYDxmowThQmEmHidLICUY04V891-SSIlZgymXBRUL6tKYc4JgDinubToZgs0s0uzMg0gzizSEGPwn9-V5xrHdg_9b9mCuAG_OgM3O9iHZwcX8j2NKYlWEr9HrhQt2NHabCnP_rUximGgmhZ6JDwsBxcPPCMlkF2Fw4GMqX8P4MT6W9jergckM</recordid><startdate>20110301</startdate><enddate>20110301</enddate><creator>Zhao, Zhenyong</creator><creator>Selvam, Ammaiyappan</creator><creator>Wong, Jonathan Woon-Chung</creator><general>Elsevier Ltd</general><general>[New York, NY]: Elsevier Ltd</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SU</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>7X8</scope><scope>7QL</scope><scope>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>P64</scope><scope>SOI</scope></search><sort><creationdate>20110301</creationdate><title>Effects of rhamnolipids on cell surface hydrophobicity of PAH degrading bacteria and the biodegradation of phenanthrene</title><author>Zhao, Zhenyong ; Selvam, Ammaiyappan ; Wong, Jonathan Woon-Chung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c486t-52f6d6bb8090bab729558dbf9563a5f254c38e20ce7776f83f4c5fe839983e883</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Analysis of Variance</topic><topic>Bacillus subtilis</topic><topic>Bacillus subtilis - metabolism</topic><topic>Bacteria</topic><topic>Biodegradation</topic><topic>Biodegradation, Environmental - drug effects</topic><topic>Biological and medical sciences</topic><topic>Biosurfactant</topic><topic>Biotechnology</topic><topic>Cell Membrane - drug effects</topic><topic>Cell Membrane - metabolism</topic><topic>Degradation</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Glycolipids - metabolism</topic><topic>Glycolipids - pharmacology</topic><topic>Hydrophobic and Hydrophilic Interactions - drug effects</topic><topic>Hydrophobicity</topic><topic>Inoculation</topic><topic>PAHs</topic><topic>Phenanthrene</topic><topic>Phenanthrenes - metabolism</topic><topic>Pseudomonas aeruginosa</topic><topic>Pseudomonas aeruginosa - metabolism</topic><topic>Rhamnolipids</topic><topic>Surface-Active Agents - metabolism</topic><topic>Surface-Active Agents - pharmacology</topic><topic>Uptakes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhao, Zhenyong</creatorcontrib><creatorcontrib>Selvam, Ammaiyappan</creatorcontrib><creatorcontrib>Wong, Jonathan Woon-Chung</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Environmental Engineering Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Bioresource technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhao, Zhenyong</au><au>Selvam, Ammaiyappan</au><au>Wong, Jonathan Woon-Chung</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of rhamnolipids on cell surface hydrophobicity of PAH degrading bacteria and the biodegradation of phenanthrene</atitle><jtitle>Bioresource technology</jtitle><addtitle>Bioresour Technol</addtitle><date>2011-03-01</date><risdate>2011</risdate><volume>102</volume><issue>5</issue><spage>3999</spage><epage>4007</epage><pages>3999-4007</pages><issn>0960-8524</issn><eissn>1873-2976</eissn><abstract>The effects of rhamnolipids produced by Pseudomonas aeruginosa ATCC9027 on the cell surface hydrophobicity (CSH) and the biodegradation of phenanthrene by two thermophilic bacteria, Bacillus subtilis BUM and P. aeruginosa P-CG3, and mixed inoculation of these two strains were investigated. Rhamnolipids significantly reduced the CSH of the hydrophobic BUM and resulted in a noticeable lag period in the biodegradation. However, they significantly increased the CSH and enhanced the biodegradation for the hydrophilic P-CG3. In the absence of rhamnolipids, a mixed inoculation of BUM and P-CG3 removed 82.2% of phenanthrene within 30days and the major contributor of the biodegradation was BUM (rapid degrader) while the growth of P-CG3 (slow degrader) was suppressed. Addition of rhamnolipids promoted the surfactant-mediated-uptake of phenanthrene by P-CG3 but inhibited the uptake through direct contact by BUM. This resulted in the domination of P-CG3 during the initial stage of biodegradation and enhanced the biodegradation to 92.7%.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>21208798</pmid><doi>10.1016/j.biortech.2010.11.088</doi><tpages>9</tpages></addata></record> |
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| subjects | Analysis of Variance Bacillus subtilis Bacillus subtilis - metabolism Bacteria Biodegradation Biodegradation, Environmental - drug effects Biological and medical sciences Biosurfactant Biotechnology Cell Membrane - drug effects Cell Membrane - metabolism Degradation Fundamental and applied biological sciences. Psychology Glycolipids - metabolism Glycolipids - pharmacology Hydrophobic and Hydrophilic Interactions - drug effects Hydrophobicity Inoculation PAHs Phenanthrene Phenanthrenes - metabolism Pseudomonas aeruginosa Pseudomonas aeruginosa - metabolism Rhamnolipids Surface-Active Agents - metabolism Surface-Active Agents - pharmacology Uptakes |
| title | Effects of rhamnolipids on cell surface hydrophobicity of PAH degrading bacteria and the biodegradation of phenanthrene |
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