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Enhancing microalgal biomass productivity by engineering a microalgal-bacterial community
This study demonstrates that ecologically engineered bacterial consortium could enhance microalgal biomass and lipid productivities through carbon exchange. Phycosphere bacterial diversity analysis in xenic Chlorella vulgaris (XCV) confirmed the presence of growth enhancing and inhibiting microorgan...
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| Published in: | Bioresource technology 2015-01, Vol.175, p.578-585 |
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| Main Authors: | , , , , , , |
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| cited_by | cdi_FETCH-LOGICAL-c377t-6e58699465ecf623144b35e812d6344d7217e0ff02335f4188b0b869d31cb2953 |
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| cites | cdi_FETCH-LOGICAL-c377t-6e58699465ecf623144b35e812d6344d7217e0ff02335f4188b0b869d31cb2953 |
| container_end_page | 585 |
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| container_start_page | 578 |
| container_title | Bioresource technology |
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| creator | Cho, Dae-Hyun Ramanan, Rishiram Heo, Jina Lee, Jimin Kim, Byung-Hyuk Oh, Hee-Mock Kim, Hee-Sik |
| description | This study demonstrates that ecologically engineered bacterial consortium could enhance microalgal biomass and lipid productivities through carbon exchange. Phycosphere bacterial diversity analysis in xenic Chlorella vulgaris (XCV) confirmed the presence of growth enhancing and inhibiting microorganisms. Co-cultivation of axenic C. vulgaris (ACV) with four different growth enhancing bacteria revealed a symbiotic relationship with each bacterium. An artificial microalgal-bacterial consortium (AMBC) constituting these four bacteria and ACV showed that the bacterial consortium exerted a statistically significant (P |
| doi_str_mv | 10.1016/j.biortech.2014.10.159 |
| format | article |
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Phycosphere bacterial diversity analysis in xenic Chlorella vulgaris (XCV) confirmed the presence of growth enhancing and inhibiting microorganisms. Co-cultivation of axenic C. vulgaris (ACV) with four different growth enhancing bacteria revealed a symbiotic relationship with each bacterium. An artificial microalgal-bacterial consortium (AMBC) constituting these four bacteria and ACV showed that the bacterial consortium exerted a statistically significant (P<0.05) growth enhancement on ACV. Moreover, AMBC had superior flocculation efficiency, lipid content and quality. Studies on carbon exchange revealed that bacteria in AMBC might utilize fixed organic carbon released by microalgae, and in return, supply inorganic and low molecular weight (LMW) organic carbon influencing algal growth and metabolism. Such exchanges, although species specific, have enormous significance in carbon cycle and can be exploitated by microalgal biotechnology industry.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2014.10.159</identifier><identifier>PMID: 25459870</identifier><language>eng</language><publisher>England</publisher><subject>Bacteria ; Bacteria - genetics ; Bacteria - metabolism ; Biomass ; Biotechnology ; Biotechnology - methods ; Carbon ; Carbon - metabolism ; Chlorella vulgaris ; Chlorella vulgaris - growth & development ; Chlorella vulgaris - metabolism ; Chlorella vulgaris - microbiology ; Consortia ; Exchange ; Flocculation ; Lipid Metabolism ; Lipids ; Lipids - chemistry ; Microalgae - growth & development ; Microalgae - metabolism ; Microalgae - microbiology ; Microbial Consortia - genetics ; Microbial Consortia - physiology ; Productivity ; Symbiosis</subject><ispartof>Bioresource technology, 2015-01, Vol.175, p.578-585</ispartof><rights>Copyright © 2014 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c377t-6e58699465ecf623144b35e812d6344d7217e0ff02335f4188b0b869d31cb2953</citedby><cites>FETCH-LOGICAL-c377t-6e58699465ecf623144b35e812d6344d7217e0ff02335f4188b0b869d31cb2953</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25459870$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Cho, Dae-Hyun</creatorcontrib><creatorcontrib>Ramanan, Rishiram</creatorcontrib><creatorcontrib>Heo, Jina</creatorcontrib><creatorcontrib>Lee, Jimin</creatorcontrib><creatorcontrib>Kim, Byung-Hyuk</creatorcontrib><creatorcontrib>Oh, Hee-Mock</creatorcontrib><creatorcontrib>Kim, Hee-Sik</creatorcontrib><title>Enhancing microalgal biomass productivity by engineering a microalgal-bacterial community</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>This study demonstrates that ecologically engineered bacterial consortium could enhance microalgal biomass and lipid productivities through carbon exchange. Phycosphere bacterial diversity analysis in xenic Chlorella vulgaris (XCV) confirmed the presence of growth enhancing and inhibiting microorganisms. Co-cultivation of axenic C. vulgaris (ACV) with four different growth enhancing bacteria revealed a symbiotic relationship with each bacterium. An artificial microalgal-bacterial consortium (AMBC) constituting these four bacteria and ACV showed that the bacterial consortium exerted a statistically significant (P<0.05) growth enhancement on ACV. Moreover, AMBC had superior flocculation efficiency, lipid content and quality. Studies on carbon exchange revealed that bacteria in AMBC might utilize fixed organic carbon released by microalgae, and in return, supply inorganic and low molecular weight (LMW) organic carbon influencing algal growth and metabolism. Such exchanges, although species specific, have enormous significance in carbon cycle and can be exploitated by microalgal biotechnology industry.</description><subject>Bacteria</subject><subject>Bacteria - genetics</subject><subject>Bacteria - metabolism</subject><subject>Biomass</subject><subject>Biotechnology</subject><subject>Biotechnology - methods</subject><subject>Carbon</subject><subject>Carbon - metabolism</subject><subject>Chlorella vulgaris</subject><subject>Chlorella vulgaris - growth & development</subject><subject>Chlorella vulgaris - metabolism</subject><subject>Chlorella vulgaris - microbiology</subject><subject>Consortia</subject><subject>Exchange</subject><subject>Flocculation</subject><subject>Lipid Metabolism</subject><subject>Lipids</subject><subject>Lipids - chemistry</subject><subject>Microalgae - growth & development</subject><subject>Microalgae - metabolism</subject><subject>Microalgae - microbiology</subject><subject>Microbial Consortia - genetics</subject><subject>Microbial Consortia - physiology</subject><subject>Productivity</subject><subject>Symbiosis</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNqNkUtLw0AUhQdRbK3-hZKlm8Q775mllPqAghtduAqTyaRNyaNmEqH_3oltxZ2uLhy-c-_hHoTmGBIMWNxtk6xsu97ZTUIAs2TUuT5DU6wkjYmW4hxNQQuIFSdsgq683wIAxZJcognhjGslYYrel83GNLZs1lFd2q411dpUUdhdG--jXdfmg-3Lz7LfR9k-cs26bJzrRtz8MsSZsX2Qg9W2dT00gb9GF4WpvLs5zhl6e1i-Lp7i1cvj8-J-FVsqZR8Lx5XQmgnubCEIxYxllDuFSS4oY7kkWDooCiCU8oJhpTLIgiOn2GZEczpDt4e9IezH4Hyf1qW3rqpM49rBp1gBSMCa6L9RwTHjilHxD5RJCJlgRMUBDd_wvnNFuuvK2nT7FEM6lpVu01NZ6VjWt87HOPPjjSGrXf5jO7VDvwDfP5Jl</recordid><startdate>201501</startdate><enddate>201501</enddate><creator>Cho, Dae-Hyun</creator><creator>Ramanan, Rishiram</creator><creator>Heo, Jina</creator><creator>Lee, Jimin</creator><creator>Kim, Byung-Hyuk</creator><creator>Oh, Hee-Mock</creator><creator>Kim, Hee-Sik</creator><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>7QL</scope><scope>7QO</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>H98</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>7SU</scope><scope>7TB</scope><scope>KR7</scope><scope>7X8</scope></search><sort><creationdate>201501</creationdate><title>Enhancing microalgal biomass productivity by engineering a microalgal-bacterial community</title><author>Cho, Dae-Hyun ; 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| ispartof | Bioresource technology, 2015-01, Vol.175, p.578-585 |
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| language | eng |
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| source | Elsevier |
| subjects | Bacteria Bacteria - genetics Bacteria - metabolism Biomass Biotechnology Biotechnology - methods Carbon Carbon - metabolism Chlorella vulgaris Chlorella vulgaris - growth & development Chlorella vulgaris - metabolism Chlorella vulgaris - microbiology Consortia Exchange Flocculation Lipid Metabolism Lipids Lipids - chemistry Microalgae - growth & development Microalgae - metabolism Microalgae - microbiology Microbial Consortia - genetics Microbial Consortia - physiology Productivity Symbiosis |
| title | Enhancing microalgal biomass productivity by engineering a microalgal-bacterial community |
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