Characterization of biosurfactant production by indigenous bacteria from Sungai Dungun estuary, Terengganu by surface activity and emulsification test
Natural surface-active agents or biosurfactants are derived particularly from bacteria and yeasts. These natural bio compounds have several advantages over synthetic surfactants such as more environmentally friendly, biodegradable, biocompatible, and low toxicity. Therefore, many efforts have focuse...
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| Veröffentlicht in: | IOP conference series. Earth and environmental science 2020-12, Vol.596 (1), p.12003 |
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| creator | Khamis, N Rahim, A Abdul Ibrahim, N A Zaman, K Abdul Kadir Pahirul |
| description | Natural surface-active agents or biosurfactants are derived particularly from bacteria and yeasts. These natural bio compounds have several advantages over synthetic surfactants such as more environmentally friendly, biodegradable, biocompatible, and low toxicity. Therefore, many efforts have focused on investigating biosurfactants including the isolation of new potent biosurfactant producers. In the present study, twelve potent biosurfactant producing bacteria were successfully isolated from oil-contaminated water and sediment samples from Sungai Dungun estuary by using Minimal Salt Media (MSM) with the addition of 1 % (v/v) engine oil. From characterization tests, one isolate named as DSB7 demonstrated the highest activity among others by semi-quantitative tests i.e., oil spreading technique and drop collapse test. Besides, it has the lowest value of 38.48 mN/m in water surface tension measurement and emulsification index of 53.57 % and 30.0 % for kerosene and used engine oil respectively. As for the molecular identification of the isolate, it showed the highest similarity to Pseudomonas aeruginosa based on 16S rRNA sequence analysis. |
| doi_str_mv | 10.1088/1755-1315/596/1/012003 |
| format | Article |
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These natural bio compounds have several advantages over synthetic surfactants such as more environmentally friendly, biodegradable, biocompatible, and low toxicity. Therefore, many efforts have focused on investigating biosurfactants including the isolation of new potent biosurfactant producers. In the present study, twelve potent biosurfactant producing bacteria were successfully isolated from oil-contaminated water and sediment samples from Sungai Dungun estuary by using Minimal Salt Media (MSM) with the addition of 1 % (v/v) engine oil. From characterization tests, one isolate named as DSB7 demonstrated the highest activity among others by semi-quantitative tests i.e., oil spreading technique and drop collapse test. Besides, it has the lowest value of 38.48 mN/m in water surface tension measurement and emulsification index of 53.57 % and 30.0 % for kerosene and used engine oil respectively. As for the molecular identification of the isolate, it showed the highest similarity to Pseudomonas aeruginosa based on 16S rRNA sequence analysis.</description><identifier>ISSN: 1755-1307</identifier><identifier>EISSN: 1755-1315</identifier><identifier>DOI: 10.1088/1755-1315/596/1/012003</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Bacteria ; Biocompatibility ; Biodegradability ; Biodegradation ; Biosurfactants ; Emulsification ; Estuaries ; Kerosene ; Oil ; Oil pollution ; Pollutants ; Pseudomonas aeruginosa ; rRNA 16S ; Sediment pollution ; Sediment samplers ; Surface activity ; Surface tension ; Surfactants ; Toxicity ; Water pollution ; Yeasts</subject><ispartof>IOP conference series. Earth and environmental science, 2020-12, Vol.596 (1), p.12003</ispartof><rights>Published under licence by IOP Publishing Ltd</rights><rights>2020. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). 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Earth and environmental science</title><addtitle>IOP Conf. Ser.: Earth Environ. Sci</addtitle><description>Natural surface-active agents or biosurfactants are derived particularly from bacteria and yeasts. These natural bio compounds have several advantages over synthetic surfactants such as more environmentally friendly, biodegradable, biocompatible, and low toxicity. Therefore, many efforts have focused on investigating biosurfactants including the isolation of new potent biosurfactant producers. In the present study, twelve potent biosurfactant producing bacteria were successfully isolated from oil-contaminated water and sediment samples from Sungai Dungun estuary by using Minimal Salt Media (MSM) with the addition of 1 % (v/v) engine oil. From characterization tests, one isolate named as DSB7 demonstrated the highest activity among others by semi-quantitative tests i.e., oil spreading technique and drop collapse test. 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As for the molecular identification of the isolate, it showed the highest similarity to Pseudomonas aeruginosa based on 16S rRNA sequence analysis.</description><subject>Bacteria</subject><subject>Biocompatibility</subject><subject>Biodegradability</subject><subject>Biodegradation</subject><subject>Biosurfactants</subject><subject>Emulsification</subject><subject>Estuaries</subject><subject>Kerosene</subject><subject>Oil</subject><subject>Oil pollution</subject><subject>Pollutants</subject><subject>Pseudomonas aeruginosa</subject><subject>rRNA 16S</subject><subject>Sediment pollution</subject><subject>Sediment samplers</subject><subject>Surface activity</subject><subject>Surface tension</subject><subject>Surfactants</subject><subject>Toxicity</subject><subject>Water pollution</subject><subject>Yeasts</subject><issn>1755-1307</issn><issn>1755-1315</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqFUV1LwzAULaLgnP4FCfjig7VJm7bpo8z5AQMfNp9D2iQ1Y0tq0gjzh_h7Ta1MBMGnG3LPOffec6LoHMFrBAlJUJnnMcpQnuRVkaAEohTC7CCa7BuH-zcsj6MT59YQFiXOqkn0MXthljW9sOqd9cpoYCSolXHeyvDNdA86a7hvvnr1DijNVSu08Q7UI48Bac0WLL1umQK3oXgNhOs9s7srsBJW6LZl2g_sUVaAwFRvqt8BpjkQW79xSqpmXKAP3NPoSLKNE2ffdRo9381Xs4d48XT_OLtZxE2WV1nMCSMNTyXkmNR1VVdVgcuqaCDDRAiBS0l4iUrJMeISB1sI5rWoGlxDBnnGs2l0MeqGI199GEzXxlsdRtI0D3ZlKCUkoIoR1VjjnBWSdlZtw3kUQTpkQAd76WA1DRlQRMcMAvFyJCrT_SjP58tfMNpxGaDpH9B_9D8BsCuaEw</recordid><startdate>20201201</startdate><enddate>20201201</enddate><creator>Khamis, N</creator><creator>Rahim, A Abdul</creator><creator>Ibrahim, N A</creator><creator>Zaman, K Abdul Kadir Pahirul</creator><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>PATMY</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PYCSY</scope></search><sort><creationdate>20201201</creationdate><title>Characterization of biosurfactant production by indigenous bacteria from Sungai Dungun estuary, Terengganu by surface activity and emulsification test</title><author>Khamis, N ; Rahim, A Abdul ; Ibrahim, N A ; Zaman, K Abdul Kadir Pahirul</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3593-d8a8cd2f0d48bb9b9964796c0a48eee47f8d717fd41df420084dbe9c4b0a0d3d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Bacteria</topic><topic>Biocompatibility</topic><topic>Biodegradability</topic><topic>Biodegradation</topic><topic>Biosurfactants</topic><topic>Emulsification</topic><topic>Estuaries</topic><topic>Kerosene</topic><topic>Oil</topic><topic>Oil pollution</topic><topic>Pollutants</topic><topic>Pseudomonas aeruginosa</topic><topic>rRNA 16S</topic><topic>Sediment pollution</topic><topic>Sediment samplers</topic><topic>Surface activity</topic><topic>Surface tension</topic><topic>Surfactants</topic><topic>Toxicity</topic><topic>Water pollution</topic><topic>Yeasts</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Khamis, N</creatorcontrib><creatorcontrib>Rahim, A Abdul</creatorcontrib><creatorcontrib>Ibrahim, N A</creatorcontrib><creatorcontrib>Zaman, K Abdul Kadir Pahirul</creatorcontrib><collection>IOP Publishing Free Content</collection><collection>IOPscience (Open Access)</collection><collection>CrossRef</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>Environmental Science Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Environmental Science Collection</collection><jtitle>IOP conference series. 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These natural bio compounds have several advantages over synthetic surfactants such as more environmentally friendly, biodegradable, biocompatible, and low toxicity. Therefore, many efforts have focused on investigating biosurfactants including the isolation of new potent biosurfactant producers. In the present study, twelve potent biosurfactant producing bacteria were successfully isolated from oil-contaminated water and sediment samples from Sungai Dungun estuary by using Minimal Salt Media (MSM) with the addition of 1 % (v/v) engine oil. From characterization tests, one isolate named as DSB7 demonstrated the highest activity among others by semi-quantitative tests i.e., oil spreading technique and drop collapse test. Besides, it has the lowest value of 38.48 mN/m in water surface tension measurement and emulsification index of 53.57 % and 30.0 % for kerosene and used engine oil respectively. 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| subjects | Bacteria Biocompatibility Biodegradability Biodegradation Biosurfactants Emulsification Estuaries Kerosene Oil Oil pollution Pollutants Pseudomonas aeruginosa rRNA 16S Sediment pollution Sediment samplers Surface activity Surface tension Surfactants Toxicity Water pollution Yeasts |
| title | Characterization of biosurfactant production by indigenous bacteria from Sungai Dungun estuary, Terengganu by surface activity and emulsification test |
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